perf(chart): isolate hover rendering

README.md

@@ -3,6 +3,8 @@
 基于 Vue 3、TypeScript 和 D3 的响应式 SVG 波形图组件。适合展示单通道、多通道和大规模采样
 数据，内置缩放、tooltip、图例、误差棒、标注、分页和多 Y 轴叠加。
 
+当前稳定版本：`v0.1.15`。
+
 组件使用不可变数据模型：替换 `data` 引用后会重新计算数据域和视口；大数据会按当前可见范围
 和屏幕像素自动保峰降采样，而 tooltip、最近点查询和标注仍使用完整原始数据。
 
@@ -16,18 +18,16 @@
 - 采样值、显式坐标点和多系列数据模型
 - `independent`、`separated`、`compact` 三种布局模式
 - 曲线、阶梯线、点符号和对称/非对称误差棒
+- 实线、虚线和点划线，可按系列独立配置
 - 缩放过程事件、缩放结束按可视区间加载和视口重置
+- 可选的空格拖拽平移，默认关闭并隔离多图表实例
 - 多系列图例、受控显隐、网格分页和最多四根 Y 轴
+- 按轨道控制水平/垂直网格线的显隐与颜色
 - 受控标注、右键编辑、拖拽避让和自定义颜色
-- 标题、图框、坐标轴、时间单位和降采样参数可配置
+- 标题、图框、坐标轴、零值参考线、净图和渲染参数可配置
 
 ## 安装
 
-```bash
-pnpm install
-pnpm dev
-```
-
 组件库将 Vue、D3、Ant Design Vue 和 vue3-colorpicker 作为 peer dependency；直接安装到业务项目时请一并
 安装这些依赖：
 
@@ -40,11 +40,13 @@ pnpm add waveform-analysis vue d3 ant-design-vue vue3-colorpicker
 组件库支持以下运行时版本：
 
 | 依赖             | 支持版本      |
-| -------------- | ------------- |
+| ---------------- | ------------- |
 | Vue              | `>=3.2.33 <4` |
 | Ant Design Vue   | `>=3.2.20 <4` |
+| D3               | `>=7.9.0 <8`  |
+| vue3-colorpicker | `>=2.3.0 <3`  |
 
-安装时请确保业务项目中的 Vue 与 Ant Design Vue 版本满足上述范围。
+安装时请确保业务项目中的 peer dependency 版本均满足上述范围。
 
 ## 发布
 
@@ -96,24 +98,32 @@ const data = ref<WaveformData>({
 | `displayMode`                     | `'independent' \| 'separated' \| 'compact'` | `'independent'`                                         | 图框布局                          |
 | `overlayMode`                     | `'single-axis' \| 'multi-axis'`             | `'single-axis'`                                         | 叠加曲线的 Y 轴模式               |
 | `timeUnit`                        | `'s' \| 'ms'`                               | `'ms'`                                                  | 坐标轴和 tooltip 展示单位         |
+| `xLabel` / `yLabel`               | `string`                                    | `时间（timeUnit）` / `'幅值'`                           | 坐标轴名称                        |
+| `lineColor`                       | `string`                                    | `'#0960bd'`                                             | 单波形默认颜色                    |
 | `width` / `height`                | `number`                                    | 自适应                                                  | 组件总尺寸，单位为 CSS 像素       |
 | `zoomable` / `showTooltip`        | `boolean`                                   | `true` / `true`                                         | 缩放和数值 tooltip 开关           |
 | `pannable`                        | `boolean`                                   | `false`                                                 | 空格拖拽平移开关                  |
 | `minZoomSpan`                     | `number`                                    | 未设置                                                  | 最小缩放跨度，使用原始 X 数据单位 |
+| `minVisiblePoints`                | `number`                                    | `0`                                                     | 缩放后至少保留的不同 X 坐标数     |
 | `initialXDomain`                  | `[number, number]`                          | 未设置                                                  | 所有图框的初始 X 范围             |
 | `initialXDomains`                 | `Record<string, [number, number]>`          | 未设置                                                  | 按 track/series ID 配置初始范围   |
 | `grid`                            | `WaveformGridOptions`                       | `{ rowCount: 2, columnCount: 1, showPagination: true }` | 网格和分页                        |
+| `axes`                            | `WaveformAxesOptions`                       | 轴线均显示                                              | X/Y 轴基线显隐                    |
 | `rendering`                       | `WaveformRenderingOptions`                  | `{}`                                                    | 降采样与点/误差棒间距             |
 | `title` / `legend` / `frameStyle` | 对应公开类型                                | 未设置                                                  | 标题、图例和图框样式              |
+| `frameNumber`                     | `string \| number`                          | 未设置                                                  | 图框水印内容                      |
 | `zeroLine`                        | `WaveformZeroLineOptions`                   | `{ visible: false }`                                    | 零值参考线显隐与样式              |
 | `cleanView`                       | `boolean`                                   | `false`                                                 | 仅保留波形的净图模式              |
 | `annotations`                     | `WaveformAnnotation[]`                      | `[]`                                                    | 受控标注数据                      |
+| `annotationsVisible`              | `boolean`                                   | `true`                                                  | 标注图层显隐                      |
+| `interactionMode`                 | `'zoom' \| 'annotation'`                    | `'zoom'`                                                | 左键交互模式                      |
 | `hiddenSeriesIds`                 | `string[]`                                  | 未设置                                                  | 受控隐藏系列 ID                   |
 | `defaultHiddenSeriesIds`          | `string[]`                                  | `[]`                                                    | 非受控模式的初始隐藏系列          |
 
 所有公开类型均可从包入口导入，例如 `WaveformData`、`WaveformSeries`、
-`WaveformAnnotation`、`WaveformRenderingOptions`、`WaveformZeroLineOptions` 和
+`WaveformAnnotation`、`WaveformLineStyle`、`WaveformRenderingOptions`、
-`WaveformGridOptions`。
+`WaveformAxesOptions`、`WaveformZeroLineOptions`、`WaveformGridOptions` 和
+`WaveformGridTrackLines`。
 
 ### 数据结构
 
@@ -157,7 +167,8 @@ const chartData: WaveformData = {
 
 ```vue
 <script setup lang="ts">
-import { WaveformChart } from './index'
+import { WaveformChart } from 'waveform-analysis'
+import 'waveform-analysis/style.css'
 </script>
 
 <template>
@@ -311,28 +322,6 @@ const series = {
 `width` 和 `height` 始终表示组件总尺寸。标题显示后会从总高度中扣除标题区域，剩余高度
 用于 SVG 绘图区，因此启用标题不会扩大组件或破坏父容器布局。
 
-宿主已有全局标题配置时，可以在未来接入组件库绘图链路时按以下方式映射：
-
-```ts
-const waveformTitle = {
-  visible: hasQueried && !cleanViewEnabled && titleStyle.enabled,
-  text: titleStyle.titleName.trim() || defaultTitleText,
-  align: titleStyle.align,
-  textStyle: {
-    color: titleStyle.color,
-    fontSize: titleStyle.fontSize,
-    fontFamily: titleStyle.fontFamily,
-    rotation: titleStyle.rotation,
-    fontWeight: titleStyle.bold ? 700 : 400,
-    fontStyle: titleStyle.italic ? 'italic' : 'normal',
-    textDecoration: titleStyle.underline ? 'underline' : 'none',
-  },
-} satisfies WaveformTitleOptions
-```
-
-宿主的抽屉折叠状态不需要传给组件。替换绘图链路时应同步移除宿主外层标题，避免重复
-渲染；当前宿主实现无需修改。
-
 Demo 左侧控制面板提供标题实时预览，可配置标题名称、显隐、对齐、字体、字号、粗体、
 斜体、下划线、旋转和颜色。字号范围为 `8–72px`，旋转范围为 `-180–180°`；样式栏中的
 `A` 用于恢复常规字重、非斜体和无下划线，关闭标题不会清除已经填写的配置。
@@ -353,6 +342,8 @@ Demo 左侧控制面板提供标题实时预览，可配置标题名称、显隐
 />
 ```
 
+`frameStyle.borderStyle` 支持 `solid`（实线）、`dashed`（虚线）和 `dotted`（点虚线）。
+
 对应的公开类型为 `WaveformFrameStyle`。默认边框颜色为 `#1f2937`、线宽为 `1`、线型为
 `solid`，背景透明。`borderWidth` 为 `0` 时隐藏边框；非有限值或负数会回退到默认线宽。
 
@@ -373,6 +364,10 @@ const hiddenSeriesIds = ref<string[]>([])
   v-model:hidden-series-ids="hiddenSeriesIds"
   :legend="{
     position: 'top-right',
+    trackPositions: {
+      'group-1': 'top-left',
+      'group-2': 'bottom',
+    },
     orientation: 'auto',
     backgroundColor: 'rgba(255, 255, 255, 0.45)',
     interactive: true,
@@ -380,6 +375,11 @@ const hiddenSeriesIds = ref<string[]>([])
 />
 ```
 
+`legend.trackPositions` 按图框 ID 单独覆盖图例位置；同一个 `trackId` 组成的图框以该
+`trackId` 为键，未设置 `trackId` 时以规范化后的 `series.id` 为键。未命中的图框继续使用
+`legend.position`，两者都未配置时使用 `top-right`。当 `orientation` 为 `auto` 时，每个图框
+会根据最终位置独立选择排列方向：`top`、`bottom` 为水平排列，其余位置为垂直排列。
+
 未配置或传入空字符串时，图例背景默认使用 `rgba(255, 255, 255, 0.7)`。
 `legend.interactive` 默认为 `false`；开启后可以单击或使用键盘操作图例项切换曲线显隐。
 调用方可通过 `hiddenSeriesIds` 和 `update:hidden-series-ids` 控制状态，也可使用
@@ -445,6 +445,29 @@ tooltip 仍然可用，切换回普通模式后原有配置和标注不会丢失
 />
 ```
 
+`axes` 可以分别隐藏 X/Y 轴的基线，同时保留刻度短线、刻度数字、科学计数倍率、单位和轴标题。
+与关闭网格线、设置 `frameStyle` 组合后，可以只使用图框边框围住绘图区：
+
+```vue
+<WaveformChart
+  :data="chartData"
+  :axes="{
+    x: { lineVisible: false },
+    y: { lineVisible: false },
+  }"
+  :grid="{
+    trackLines: {
+      voltage: { horizontal: false, vertical: false },
+    },
+  }"
+  :frame-style="{
+    borderColor: '#1f2937',
+    borderWidth: 1,
+    borderStyle: 'solid',
+  }"
+/>
+```
+
 `interactionMode` 可选 `zoom` 或 `annotation`，默认使用缩放模式。右键绘图区可直接打开
 标注编辑器，无需切换交互模式。`zoomable`、`pannable` 和 `showTooltip` 可分别控制缩放、
 空格拖拽平移和 tooltip；平移默认关闭。
@@ -455,8 +478,8 @@ tooltip 仍然可用，切换回普通模式后原有配置和标注不会丢失
 组件按不可变数据处理：替换 `data` 引用会重新过滤、排序和缓存坐标域，并重置视口；
 原地修改已有数组不会触发缓存刷新。建议通过 `shallowRef` 保存大数据并整体替换引用。
 规范化始终保留所有有效点，坐标域、误差棒、tooltip 和标注均使用完整数据；绘制路径会根据
-当前视口和 `rendering` 配置自动降采样。如需在传入组件前主动压缩数据，可使用公开的
+当前视口和 `rendering` 配置自动降采样。调用方如需在传入组件前主动压缩数据，应自行保留
-`downsampleLTTB`、`downsampleMinMax` 或 `adaptiveSampling` 工具。
+原始数据，以免影响 tooltip、标注和误差范围的精度。
 
 默认在可见点超过 2,000 时进行降采样，每个像素最多渲染 4 个保峰点。可按业务调整：
 
@@ -496,7 +519,8 @@ import {
   WaveformChart,
   type WaveformAnnotation,
   type WaveformInteractionMode,
-} from './index'
+} from 'waveform-analysis'
+import 'waveform-analysis/style.css'
 
 const annotations = ref<WaveformAnnotation[]>([])
 const annotationsVisible = ref(true)
@@ -542,7 +566,7 @@ X、Y 轴会根据各自完整显示域选择格式：最大绝对值在 `[0.01,
 | --------------------------------------------------------------- | -------------------------------------------------------------- |
 | `point-hover`                                                   | 当前最近点变化时触发，离开图表时传入 `null`                    |
 | `zoom-change`                                                   | 缩放过程中触发，参数为 `[start, end]`                          |
-| `zoom-end`                                                      | 滚轮放大结束后触发；独立分图模式附带 `trackIndex`、`seriesIds` |
+| `zoom-end`                                                      | 滚轮或框选结束后触发；`gesture` 区分二者，独立模式附带轨道信息 |
 | `zoom-reset`                                                    | 双击重置视口时触发，调用方应恢复首次完整数据                   |
 | `page-change`                                                   | 分页变化，参数为当前页和总页数                                 |
 | `series-visibility-change`                                      | 图例切换曲线显隐时触发                                         |
@@ -585,7 +609,7 @@ pnpm build
 发布由推送版本 tag 触发。先将 `package.json` 的 `version` 更新为目标版本并提交，再创建同版本 tag：
 
 ```bash
-git tag -a v0.1.7 -m "Release v0.1.7"
+git tag -a v0.1.15 -m "Release v0.1.15"
 git push origin main --follow-tags
 ```
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "waveform-analysis",
-  "version": "0.1.15",
+  "version": "0.1.21",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",
   "types": "./dist/types/index.d.ts",
@@ -34,11 +34,14 @@
     "test": "vitest run",
     "test:coverage": "vitest run --coverage"
   },
+  "dependencies": {
+    "d3": "^7.9.0",
+    "vue3-colorpicker": "^2.3.0",
+    "ant-design-vue": "4.2.6"
+  },
   "peerDependencies": {
     "ant-design-vue": ">=3.2.20 <4",
-    "d3": ">=7.9.0 <8",
+    "vue": ">=3.2.33 <4"
-    "vue": ">=3.2.33 <4",
-    "vue3-colorpicker": ">=2.3.0 <3"
   },
   "devDependencies": {
     "@eslint/js": "10.0.1",
@@ -47,8 +50,6 @@
     "@vitejs/plugin-vue": "6.0.8",
     "@vitest/coverage-v8": "4.1.10",
     "@vue/test-utils": "2.4.11",
-    "ant-design-vue": "4.2.6",
-    "d3": "7.9.0",
     "eslint": "10.7.0",
     "eslint-config-prettier": "10.1.8",
     "eslint-plugin-vue": "10.9.2",
@@ -60,7 +61,6 @@
     "vite": "8.1.5",
     "vitest": "4.1.10",
     "vue": "3.5.40",
-    "vue-tsc": "3.3.7",
+    "vue-tsc": "3.3.7"
-    "vue3-colorpicker": "2.3.0"
   }
 }

pnpm-lock.yaml

@@ -7,6 +7,16 @@ settings:
 importers:
 
   .:
+    dependencies:
+      ant-design-vue:
+        specifier: 4.2.6
+        version: 4.2.6(vue@3.5.40(typescript@6.0.3))
+      d3:
+        specifier: ^7.9.0
+        version: 7.9.0
+      vue3-colorpicker:
+        specifier: ^2.3.0
+        version: 2.3.0(@aesoper/normal-utils@0.1.5)(@popperjs/core@2.11.8)(@vueuse/core@10.11.1(vue@3.5.40(typescript@6.0.3)))(gradient-parser@1.2.0)(lodash-es@4.18.1)(tinycolor2@1.6.0)(vue-types@4.2.1(vue@3.5.40(typescript@6.0.3)))(vue@3.5.40(typescript@6.0.3))
     devDependencies:
       '@eslint/js':
         specifier: 10.0.1
@@ -26,12 +36,6 @@ importers:
       '@vue/test-utils':
         specifier: 2.4.11
         version: 2.4.11(@vue/compiler-dom@3.5.40)(@vue/server-renderer@3.5.40)(vue@3.5.40(typescript@6.0.3))
-      ant-design-vue:
-        specifier: 4.2.6
-        version: 4.2.6(vue@3.5.40(typescript@6.0.3))
-      d3:
-        specifier: 7.9.0
-        version: 7.9.0
       eslint:
         specifier: 10.7.0
         version: 10.7.0
@@ -68,9 +72,6 @@ importers:
       vue-tsc:
         specifier: 3.3.7
         version: 3.3.7(typescript@6.0.3)
-      vue3-colorpicker:
-        specifier: 2.3.0
-        version: 2.3.0(@aesoper/normal-utils@0.1.5)(@popperjs/core@2.11.8)(@vueuse/core@10.11.1(vue@3.5.40(typescript@6.0.3)))(gradient-parser@1.2.0)(lodash-es@4.18.1)(tinycolor2@1.6.0)(vue-types@4.2.1(vue@3.5.40(typescript@6.0.3)))(vue@3.5.40(typescript@6.0.3))
 
 packages:
 

src/App.test.ts

@@ -46,6 +46,8 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     expect(gridSizeInputs[1]?.props('value')).toBe(1)
     expect(panel.find('[aria-label="显示水平网格线"]').exists()).toBe(true)
     expect(panel.find('[aria-label="显示垂直网格线"]').exists()).toBe(true)
+    expect(panel.find('[aria-label="显示横轴线"]').exists()).toBe(true)
+    expect(panel.find('[aria-label="显示纵轴线"]').exists()).toBe(true)
     expect(panel.find('[aria-label="水平网格线颜色"]').exists()).toBe(true)
     expect(panel.find('[aria-label="垂直网格线颜色"]').exists()).toBe(true)
     expect(panel.find('[aria-label="净图模式"]').exists()).toBe(true)
@@ -62,6 +64,9 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     expect(frameControls.text()).toContain('背景颜色')
     expect(frameControls.find('[aria-label="图框线宽"]').exists()).toBe(true)
     expect(frameControls.find('[aria-label="图框线型"]').exists()).toBe(true)
+    expect(
+      frameControls.get('[aria-label="图框线型"]').getComponent(Select).props('options'),
+    ).toContainEqual({ label: '点虚线', value: 'dotted' })
     expect(frameControls.find('[aria-label="显示图框水印"]').exists()).toBe(true)
     expect(frameControls.get('.frame-style-control--switch .ant-switch').classes()).toContain(
       'ant-switch-small',
@@ -129,6 +134,27 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     wrapper.unmount()
   })
 
+  it('passes independent X and Y axis-line controls to the chart', async () => {
+    const wrapper = mount(App)
+    await flushPromises()
+    const chart = wrapper.getComponent(WaveformChart)
+
+    expect(chart.props('axes')).toEqual({
+      x: { lineVisible: false },
+      y: { lineVisible: false },
+    })
+
+    await wrapper.get('[aria-label="显示横轴线"]').trigger('click')
+    await wrapper.get('[aria-label="显示纵轴线"]').trigger('click')
+    await flushPromises()
+
+    expect(chart.props('axes')).toEqual({
+      x: { lineVisible: true },
+      y: { lineVisible: true },
+    })
+    wrapper.unmount()
+  })
+
   it('passes tooltip and per-series line-style controls to the chart', async () => {
     const wrapper = mount(App)
     await flushPromises()
@@ -175,7 +201,7 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     wrapper.unmount()
   })
 
-  it('keeps only one error-bar series in the first frame', async () => {
+  it('keeps the primary simulated signal in the first frame', async () => {
     const wrapper = mount(App)
     await flushPromises()
 
@@ -183,10 +209,10 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     const firstFrameSeries = firstFrame.findAll('.waveform-chart__series')
 
     expect(firstFrameSeries.map((series) => series.attributes('data-series-name'))).toEqual([
-      'BT2_2M',
+      '正弦基波',
     ])
 
-    const triangleSeries = firstFrame.get('.waveform-chart__series[data-series-name="BT2_2M"]')
+    const triangleSeries = firstFrame.get('.waveform-chart__series[data-series-name="正弦基波"]')
     expect(triangleSeries.find('.waveform-chart__line').exists()).toBe(false)
     expect(triangleSeries.get('.waveform-chart__points').attributes('data-point-type')).toBe(
       'triangle',
@@ -196,7 +222,7 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     wrapper.unmount()
   })
 
-  it('splits the attached ENG channels across the remaining first-page frames', async () => {
+  it('keeps the simulated channels across the paginated frames', async () => {
     const wrapper = mount(App)
     await flushPromises()
 
@@ -206,7 +232,7 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
       tracks.map((track) =>
         track.findAll('.waveform-chart__series').map((item) => item.attributes('data-series-name')),
       ),
-    ).toEqual([['BT2_2M'], ['ENG6KV1'], ['ENG4F2YIb3'], ['ENG8KJXAc']])
+    ).toEqual([['正弦基波'], ['谐波扰动'], ['阻尼振荡'], ['阶跃响应']])
     expect(
       tracks
         .slice(1)
@@ -220,10 +246,16 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
       WaveformData,
       { kind: 'series' }
     >
-    const frameTwoSeries = chartData.series.filter((item) => item.trackId?.startsWith('frame-two-'))
+    const simulatedSeries = chartData.series
-    expect(frameTwoSeries.map((item) => item.name)).toEqual(['ENG6KV1', 'ENG4F2YIb3', 'ENG8KJXAc'])
+    expect(simulatedSeries.map((item) => item.name)).toEqual([
-    expect(frameTwoSeries.map((item) => item.unit)).toEqual(['KV', 'KA', 'A'])
+      '正弦基波',
-    frameTwoSeries.forEach((item) => {
+      '谐波扰动',
+      '阻尼振荡',
+      '阶跃响应',
+      '脉冲响应',
+      '带噪信号',
+    ])
+    simulatedSeries.forEach((item) => {
       expect(item.data.kind).toBe('points')
       if (item.data.kind === 'points') {
         expect(item.data.points).toHaveLength(1000)
@@ -237,7 +269,7 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
       wrapper
         .findAll('.waveform-chart__track')
         .map((track) => track.get('.waveform-chart__series').attributes('data-series-name')),
-    ).toEqual(['BT1_2M', 'TEST_CH_2'])
+    ).toEqual(['脉冲响应', '带噪信号'])
 
     wrapper.unmount()
   })
@@ -247,7 +279,7 @@ describe('App workspace layout', { timeout: 20_000 }, () => {
     await flushPromises()
 
     const renderedTitle = () => wrapper.get('.waveform-chart__title-text')
-    expect(renderedTitle().text()).toMatch(/^Shot:\d+$/)
+    expect(renderedTitle().text()).toBe('模拟波形分析')
     expect(renderedTitle().attributes('style')).toContain('Microsoft YaHei')
     expect(renderedTitle().attributes('style')).toContain('font-size: 14px')
     expect(renderedTitle().attributes('style')).toContain('font-weight: 400')

src/App.vue

@@ -7,6 +7,7 @@ import 'vue3-colorpicker/style.css'
 import {
   WaveformChart,
   type WaveformAnnotation,
+  type WaveformAxesOptions,
   type WaveformData,
   type WaveformDisplayMode,
   type WaveformFrameStyle,
@@ -16,57 +17,29 @@ import {
   type WaveformLegendOrientation,
   type WaveformLegendPosition,
   type WaveformOverlayMode,
-  type WaveformSeries,
   type WaveformTitleOptions,
   type WaveformZoomEndPayload,
   type WaveformZeroLineOptions,
 } from './components'
-import chartWaveformsJson from './data/chartWaveforms.json'
-import frameTwoWaveformsJson from './data/frameTwoWaveforms.json'
 import { normalizeWaveformSeries } from './core'
+import { createSimulatedWaveformData } from './data/simulatedWaveforms'
 
-interface WaveformSourcePoint {
+const fullChartData = createSimulatedWaveformData()
-  x: number
-  y: number
-  error?: number
-  lowerError?: number
-  upperError?: number
-}
-
-interface WaveformSourceRow {
-  chnl: string
-  chnl_id: number
-  dat_unit: string
-  data: WaveformSourcePoint[]
-  dev: number
-  shot: number
-  time?: number[]
-  time_unit: 'ms'
-}
-
-interface FrameTwoWaveformRow {
-  chnl: string
-  chnl_id: number
-  dat_unit: string
-  data: number[]
-  time: number[]
-  time_unit: 'ms'
-}
-
-const sourceRows = chartWaveformsJson as unknown as WaveformSourceRow[]
 const displayMode = ref<WaveformDisplayMode>('independent')
 const overlayMode = ref<WaveformOverlayMode>('single-axis')
 const rowCount = ref(4)
 const columnCount = ref(1)
 const frameBorderColor = ref('#1f2937')
 const frameBorderWidth = ref(1)
-const frameBorderStyle = ref<'solid' | 'dashed'>('solid')
+const frameBorderStyle = ref<NonNullable<WaveformFrameStyle['borderStyle']>>('solid')
 const frameBackgroundColor = ref('rgba(255, 255, 255, 0)')
 const frameWatermarkVisible = ref(true)
 const horizontalGridVisible = ref(true)
 const horizontalGridColor = ref('#dfe5ef')
 const verticalGridVisible = ref(true)
 const verticalGridColor = ref('#dfe5ef')
+const xAxisLineVisible = ref(false)
+const yAxisLineVisible = ref(false)
 const annotations = ref<WaveformAnnotation[]>([])
 const annotationsVisible = ref(true)
 const cleanView = ref(false)
@@ -81,7 +54,7 @@ const legendOrientation = ref<WaveformLegendOrientation>('auto')
 const legendBackgroundColor = ref('rgba(255, 255, 255, 0.7)')
 const hiddenSeriesIds = ref<string[]>([])
 const titleVisible = ref(true)
-const titleText = ref(`Shot:${sourceRows[0]?.shot ?? 4712}`)
+const titleText = ref('模拟波形分析')
 const titleAlign = ref<NonNullable<WaveformTitleOptions['align']>>('center')
 const titleFontFamily = ref('"Microsoft YaHei", "微软雅黑", sans-serif')
 const titleFontSize = ref(14)
@@ -109,6 +82,7 @@ const legendOrientationOptions: Array<{ label: string; value: WaveformLegendOrie
 const frameBorderStyleOptions = [
   { label: '实线', value: 'solid' },
   { label: '虚线', value: 'dashed' },
+  { label: '点虚线', value: 'dotted' },
 ]
 const zeroLineDashOptions = [
   { label: '虚线', value: '6 4' },
@@ -136,6 +110,10 @@ const frameStyle = computed<WaveformFrameStyle>(() => ({
   borderStyle: frameBorderStyle.value,
   backgroundColor: frameBackgroundColor.value,
 }))
+const axes = computed<WaveformAxesOptions>(() => ({
+  x: { lineVisible: xAxisLineVisible.value },
+  y: { lineVisible: yAxisLineVisible.value },
+}))
 const zeroLine = computed<WaveformZeroLineOptions>(() => ({
   visible: zeroLineVisible.value,
   color: zeroLineColor.value,
@@ -143,62 +121,6 @@ const zeroLine = computed<WaveformZeroLineOptions>(() => ({
   dash: zeroLineDash.value,
 }))
 
-const seriesStylePresets: Array<Pick<WaveformSeries, 'lineType' | 'pointType' | 'errorBar'>> = [
-  { lineType: 'none', pointType: 'triangle', errorBar: { visible: true } },
-  { lineType: 'linear', pointType: 'none' },
-  { lineType: 'step-after', pointType: 'circle', errorBar: { visible: true } },
-  { lineType: 'linear', pointType: 'diamond', errorBar: { visible: true } },
-]
-
-const waveformSeries: WaveformSeries[] = sourceRows.map((row, seriesIndex) => {
-  const presetStyle = seriesStylePresets[seriesIndex % seriesStylePresets.length]!
-  const style: Pick<WaveformSeries, 'lineType' | 'pointType' | 'errorBar'> =
-    row.chnl === 'TEST_CH_4'
-      ? { lineType: 'linear', pointType: 'circle', errorBar: { visible: false } }
-      : presetStyle
-  return {
-    id: String(row.chnl_id),
-    trackId:
-      row.chnl.startsWith('TEST_CH_') && row.chnl !== 'TEST_CH_2'
-        ? String(sourceRows[0]?.chnl_id ?? row.chnl_id)
-        : undefined,
-    name: row.chnl,
-    unit: row.dat_unit,
-    ...style,
-    data: {
-      kind: 'points',
-      points: row.data,
-    },
-  }
-})
-
-const frameTwoWaveforms = frameTwoWaveformsJson as FrameTwoWaveformRow[]
-const frameTwoSeries: WaveformSeries[] = frameTwoWaveforms.map((series) => ({
-  id: String(series.chnl_id),
-  trackId: `frame-two-${series.chnl_id}`,
-  name: series.chnl,
-  unit: series.dat_unit.trim(),
-  lineType: 'linear',
-  pointType: 'none',
-  data: {
-    kind: 'points',
-    points: series.data.flatMap((y, index) => {
-      const time = series.time[index]
-      return Number.isFinite(time) && Number.isFinite(y) ? [{ x: time! / 1000, y }] : []
-    }),
-  },
-}))
-
-const frameOneTrackId = String(sourceRows[0]?.chnl_id ?? 'frame-one')
-const frameOneCandidates = waveformSeries.filter(
-  (series) => series.id === frameOneTrackId || series.trackId === frameOneTrackId,
-)
-const frameOneSeries = frameOneCandidates.filter((series) => series.errorBar?.visible).slice(0, 1)
-const remainingSeries = waveformSeries.filter((series) => !frameOneCandidates.includes(series))
-const fullChartData: WaveformData = {
-  kind: 'series',
-  series: [...frameOneSeries, ...frameTwoSeries, ...remainingSeries],
-}
 const initialXValues = normalizeWaveformSeries(fullChartData).flatMap((series) =>
   series.points.map((point) => point.x),
 )
@@ -217,7 +139,9 @@ const initialXDomainValue: [number, number] | undefined =
 const initialXDomain = ref<[number, number] | undefined>(initialXDomainValue)
 const chartData = ref<WaveformData>(fullChartData)
 const lineStyleOverrides = ref<Record<string, WaveformLineStyle>>({})
-const selectedSeriesId = ref(String(sourceRows[0]?.chnl_id ?? ''))
+const selectedSeriesId = ref(
+  fullChartData.kind === 'series' ? (fullChartData.series[0]?.id ?? '') : '',
+)
 const lineStyleOptions: Array<{ label: string; value: WaveformLineStyle }> = [
   { label: '实线', value: 'solid' },
   { label: '虚线', value: 'dashed' },
@@ -510,7 +434,7 @@ onBeforeUnmount(() => window.removeEventListener('keydown', handleWindowKeydown)
         </section>
 
         <section class="control-section">
-          <h2>网格线</h2>
+          <h2>网格与轴线</h2>
           <div class="grid-line-controls">
             <div class="grid-line-control">
               <span>水平网格</span>
@@ -548,6 +472,14 @@ onBeforeUnmount(() => window.removeEventListener('keydown', handleWindowKeydown)
                 />
               </span>
             </div>
+            <div class="grid-line-control grid-line-control--switch-only">
+              <span>横轴线</span>
+              <Switch v-model:checked="xAxisLineVisible" size="small" aria-label="显示横轴线" />
+            </div>
+            <div class="grid-line-control grid-line-control--switch-only">
+              <span>纵轴线</span>
+              <Switch v-model:checked="yAxisLineVisible" size="small" aria-label="显示纵轴线" />
+            </div>
           </div>
         </section>
 
@@ -773,6 +705,7 @@ onBeforeUnmount(() => window.removeEventListener('keydown', handleWindowKeydown)
           interactive: true,
         }"
         :frame-style="frameStyle"
+        :axes="axes"
         :clean-view="cleanView"
         :show-tooltip="showTooltip"
         :zero-line="zeroLine"

src/components/WaveformChart.test.ts

@@ -349,6 +349,75 @@ describe('WaveformChart', () => {
     expect(zeroLines[0].attributes('y1')).not.toBe(zeroLines[1].attributes('y1'))
   })
 
+  it('hides X and Y axis lines independently while preserving axis text and the frame', async () => {
+    const wrapper = await mountSizedChart({
+      kind: 'series',
+      series: [
+        {
+          id: 'channel',
+          name: 'Voltage',
+          data: {
+            kind: 'points',
+            points: [
+              { x: 0, y: -1 },
+              { x: 1, y: 1 },
+            ],
+          },
+        },
+      ],
+    })
+    const xAxis = wrapper.get('.waveform-chart__axis--x')
+    const yAxis = wrapper.get('.waveform-chart__axis--y')
+
+    expect(xAxis.classes()).not.toContain('waveform-track__axis--line-hidden')
+    expect(yAxis.classes()).not.toContain('waveform-track__axis--line-hidden')
+
+    await wrapper.setProps({ axes: { x: { lineVisible: false } } })
+    await flushPromises()
+    expect(xAxis.classes()).toContain('waveform-track__axis--line-hidden')
+    expect(yAxis.classes()).not.toContain('waveform-track__axis--line-hidden')
+    expect(xAxis.get('path.domain').attributes('display')).toBe('none')
+    expect(
+      xAxis.findAll('.tick line').every((line) => line.attributes('display') === undefined),
+    ).toBe(true)
+    expect(yAxis.get('path.domain').attributes('display')).toBeUndefined()
+
+    await wrapper.setProps({
+      axes: {
+        x: { lineVisible: false },
+        y: { lineVisible: false },
+      },
+      grid: {
+        rowCount: 1,
+        columnCount: 1,
+        trackLines: { channel: { horizontal: false, vertical: false } },
+      },
+      frameStyle: { borderColor: '#dc2626', borderWidth: 2 },
+    })
+    await flushPromises()
+
+    expect(xAxis.classes()).toContain('waveform-track__axis--line-hidden')
+    expect(yAxis.classes()).toContain('waveform-track__axis--line-hidden')
+    expect(yAxis.get('path.domain').attributes('display')).toBe('none')
+    expect(
+      yAxis.findAll('.tick line').every((line) => line.attributes('display') === undefined),
+    ).toBe(true)
+    expect(xAxis.findAll('text').length).toBeGreaterThan(0)
+    expect(yAxis.findAll('text').length).toBeGreaterThan(0)
+    expect(wrapper.findAll('.waveform-chart__axis-endpoint')).toHaveLength(2)
+    expect(wrapper.get('.waveform-chart__y-axis-label').text()).toBe('Voltage')
+    expect(wrapper.findAll('[data-grid-direction]')).toHaveLength(0)
+    expect(wrapper.get('.waveform-chart__plot-frame').attributes()).toMatchObject({
+      stroke: '#dc2626',
+      'stroke-width': '2',
+    })
+
+    await wrapper.setProps({ axes: { x: { lineVisible: true }, y: { lineVisible: true } } })
+    await flushPromises()
+    expect(xAxis.get('path.domain').attributes('display')).toBeUndefined()
+    expect(yAxis.get('path.domain').attributes('display')).toBeUndefined()
+  })
+
   it('preserves a titled multi-axis plot and hides auxiliary layers in clean view', async () => {
     const data: WaveformData = {
       kind: 'series',
@@ -1079,6 +1148,61 @@ describe('WaveformChart', () => {
     expect(wrapper.attributes('data-chart-left-margin')).toBe('64')
   })
 
+  it('resolves legend positions by stable track id across pages', async () => {
+    const wrapper = await mountSizedChart(
+      {
+        kind: 'series',
+        series: Array.from({ length: 8 }, (_, index) => ({
+          id: `series-${index}`,
+          trackId: `frame-${Math.floor(index / 2)}`,
+          name: `series ${index}`,
+          data: {
+            kind: 'points' as const,
+            points: [
+              { x: 0, y: index },
+              { x: 1, y: index + 1 },
+            ],
+          },
+        })),
+      },
+      {
+        grid: { rowCount: 2, columnCount: 1, showPagination: true },
+        legend: {
+          position: 'left',
+          orientation: 'auto',
+          trackPositions: {
+            'frame-0': 'top',
+            'frame-1': 'bottom-right',
+            'frame-2': 'bottom',
+          },
+        },
+      },
+    )
+
+    const legendForTrack = (trackId: string) =>
+      wrapper.get(`[data-legend-track-id="${trackId}"] .waveform-chart__legend`)
+
+    expect(legendForTrack('frame-0').attributes('data-position')).toBe('top')
+    expect(legendForTrack('frame-0').attributes('data-orientation')).toBe('horizontal')
+    expect(legendForTrack('frame-1').attributes('data-position')).toBe('bottom-right')
+    expect(legendForTrack('frame-1').attributes('data-orientation')).toBe('vertical')
+
+    await wrapper.setProps({
+      legend: {
+        position: 'left',
+        orientation: 'vertical',
+        trackPositions: { 'frame-0': 'top', 'frame-1': 'bottom-right', 'frame-2': 'bottom' },
+      },
+    })
+    expect(legendForTrack('frame-0').attributes('data-orientation')).toBe('vertical')
+
+    await wrapper.get('.ant-pagination-next button').trigger('click')
+    expect(legendForTrack('frame-2').attributes('data-position')).toBe('bottom')
+    expect(legendForTrack('frame-2').attributes('data-orientation')).toBe('vertical')
+    expect(legendForTrack('frame-3').attributes('data-position')).toBe('left')
+    expect(legendForTrack('frame-3').attributes('data-orientation')).toBe('vertical')
+  })
+
   it('applies a configurable alpha background to every visible legend', async () => {
     const wrapper = await mountSizedChart(
       {
@@ -2208,6 +2332,44 @@ describe('WaveformChart', () => {
     expect(pendingAnimationFrameCount()).toBe(0)
   })
 
+  it('isolates hover rendering from the chart, track, and waveform path subtrees', async () => {
+    const wrapper = await mountSizedChart(
+      {
+        kind: 'points',
+        points: [
+          { x: 0, y: 0 },
+          { x: 1, y: 5 },
+        ],
+      },
+      { grid: { rowCount: 1, columnCount: 1 } },
+    )
+    const overlay = wrapper.get('.waveform-chart__overlay')
+    const overlayWidth = Number(overlay.attributes('width'))
+    Object.defineProperty(overlay.element, 'getBoundingClientRect', {
+      value: () => ({ left: 0, top: 0, width: overlayWidth, height: 290 }),
+    })
+
+    const track = wrapper.getComponent({ name: 'WaveformTrack' })
+    const seriesLayer = wrapper.getComponent({ name: 'WaveformSeriesLayer' })
+    const chartUpdate = vi.spyOn(wrapper.vm.$, 'update')
+    const trackUpdate = vi.spyOn(track.vm.$, 'update')
+    const seriesLayerUpdate = vi.spyOn(seriesLayer.vm.$, 'update')
+    const pathBeforeHover = wrapper.get('.waveform-chart__line').element
+
+    overlay.element.dispatchEvent(
+      new MouseEvent('pointermove', { clientX: overlayWidth, clientY: 120, bubbles: true }),
+    )
+    flushAnimationFrames()
+    await flushPromises()
+
+    expect(wrapper.get('.waveform-chart__tooltip').text()).toContain('ms: 1,000.0000')
+    expect(wrapper.findAll('.waveform-chart__crosshair line')).toHaveLength(1)
+    expect(wrapper.get('.waveform-chart__line').element).toBe(pathBeforeHover)
+    expect(chartUpdate).not.toHaveBeenCalled()
+    expect(trackUpdate).not.toHaveBeenCalled()
+    expect(seriesLayerUpdate).not.toHaveBeenCalled()
+  })
+
   it('renders reference grid styling and an optional frame watermark', async () => {
     const wrapper = await mountSizedChart(
       {
@@ -2329,6 +2491,17 @@ describe('WaveformChart', () => {
     expect(wrapper.get('.waveform-chart__plot-frame').attributes('stroke-width')).toBe('1')
   })
 
+  it('renders a dotted frame with rounded dots', async () => {
+    const wrapper = await mountSizedChart(gridSeries(1), {
+      frameStyle: { borderStyle: 'dotted' },
+    })
+
+    expect(wrapper.get('.waveform-chart__plot-frame').attributes()).toMatchObject({
+      'stroke-dasharray': '1 3',
+      'stroke-linecap': 'round',
+    })
+  })
+
   it('continues minor x-grid lines beyond the final major tick to the exact endpoint', async () => {
     const wrapper = await mountSizedChart({
       kind: 'points',

src/components/WaveformChart.vue

@@ -21,6 +21,7 @@ import {
   onBeforeUnmount,
   onMounted,
   ref,
+  shallowReactive,
   shallowRef,
   watch,
   type CSSProperties,
@@ -28,6 +29,7 @@ import {
 
 import {
   type WaveformAnnotation,
+  type WaveformAxesOptions,
   type WaveformData,
   type WaveformDisplayMode,
   type WaveformFrameStyle,
@@ -57,8 +59,8 @@ import {
   type AnnotationSeriesInfo,
   type AnnotationTrackLayout,
 } from './annotation'
-import { WaveformTooltip } from './interaction'
+import { WaveformHoverHost } from './interaction'
-import { WaveformLegend, WaveformTrack } from './rendering'
+import { WaveformHoverLayer, WaveformLegend, WaveformTrack } from './rendering'
 import {
   channelColors,
   margin as chartMargin,
@@ -87,7 +89,13 @@ import {
   X_AXIS_BAND,
   type WaveformGridOptions,
 } from './core/grid'
-import type { DisplaySeries, DisplayTrack, HoveredSeriesPoint, TrackLayout } from './core/types'
+import type {
+  DisplaySeries,
+  DisplayTrack,
+  HoveredSeriesPoint,
+  TrackLayout,
+  WaveformHoverState,
+} from './core/types'
 import {
   buildTrackLayouts,
   findClosestTrackAtPointer,
@@ -121,6 +129,7 @@ const props = withDefaults(
     timeUnit?: 's' | 'ms'
     frameNumber?: string | number
     frameStyle?: WaveformFrameStyle
+    axes?: WaveformAxesOptions
     annotations?: WaveformAnnotation[]
     annotationsVisible?: boolean
     interactionMode?: WaveformInteractionMode
@@ -190,9 +199,11 @@ const sharedTransform = shallowRef<ZoomTransform>(zoomIdentity)
 const independentTransforms = shallowRef<ZoomTransform[]>([])
 const sharedYDomains = ref<Record<string, [number, number]>>({})
 const independentYDomains = ref<Record<number, [number, number]>>({})
-const hoveredSeriesPoints = ref<HoveredSeriesPoint[]>([])
+const hoverState = shallowReactive<WaveformHoverState>({
-const hoveredTrackIndex = ref<number | null>(null)
+  points: [],
-const hoverPosition = ref({ x: 0, y: 0 })
+  trackIndex: null,
+  position: { x: 0, y: 0 },
+})
 const suppressHoverUntilMove = ref(false)
 const currentPage = ref(1)
 const resizeObserver = shallowRef<ResizeObserver>()
@@ -251,7 +262,9 @@ function handleInteractionKeyDown(event: KeyboardEvent) {
   const target = event.target
   if (
     target instanceof Element &&
-    target.closest('button, input, select, textarea, [contenteditable]:not([contenteditable="false"])')
+    target.closest(
+      'button, input, select, textarea, [contenteditable]:not([contenteditable="false"])',
+    )
   ) {
     return
   }
@@ -265,15 +278,6 @@ function handleInteractionKeyUp(event: KeyboardEvent) {
   }
 }
 
-// 用于传递给 WaveformTooltip 的接口
-interface TooltipSeriesPoint {
-  trackIndex: number
-  name: string
-  color: string
-  unit?: string
-  point: WaveformPoint
-}
-
 const fixedWidth = computed(() =>
   Number.isFinite(props.width) ? Math.max(0, props.width ?? 0) : undefined,
 )
@@ -290,14 +294,16 @@ const containerStyle = computed(() => ({
   width: fixedWidth.value === undefined ? '100%' : `${fixedWidth.value}px`,
   height: fixedHeight.value === undefined ? '100%' : `${fixedHeight.value}px`,
 }))
-const legendPosition = computed<WaveformLegendPosition>(() => props.legend?.position ?? 'top-right')
 const isCleanView = computed(() => props.cleanView === true)
 const resolvedZeroLine = computed(() => {
   const width = props.zeroLine?.width
   return {
     visible: props.zeroLine?.visible === true,
     color: props.zeroLine?.color || ZERO_LINE_DEFAULTS.COLOR,
-    width: typeof width === 'number' && Number.isFinite(width) && width > 0 ? width : ZERO_LINE_DEFAULTS.WIDTH,
+    width:
+      typeof width === 'number' && Number.isFinite(width) && width > 0
+        ? width
+        : ZERO_LINE_DEFAULTS.WIDTH,
     dash: props.zeroLine?.dash ?? ZERO_LINE_DEFAULTS.DASH,
   }
 })
@@ -311,13 +317,17 @@ const hiddenSeriesIdSet = computed(() =>
     : new Set(props.hiddenSeriesIds),
 )
 const resolvedHiddenSeriesIds = computed(() => Array.from(hiddenSeriesIdSet.value))
-const legendOrientation = computed<Exclude<WaveformLegendOrientation, 'auto'>>(() => {
+function resolveLegendPosition(trackId: string): WaveformLegendPosition {
+  return props.legend?.trackPositions?.[trackId] ?? props.legend?.position ?? 'top-right'
+}
+
+function resolveLegendOrientation(
+  position: WaveformLegendPosition,
+): Exclude<WaveformLegendOrientation, 'auto'> {
   const orientation = props.legend?.orientation ?? 'auto'
   if (orientation !== 'auto') return orientation
-  return legendPosition.value === 'top' || legendPosition.value === 'bottom'
+  return position === 'top' || position === 'bottom' ? 'horizontal' : 'vertical'
-    ? 'horizontal'
+}
-    : 'vertical'
-})
 const resolvedTitleText = computed(() => props.title?.text.trim() ?? '')
 const titleAreaReserved = computed(
   () =>
@@ -326,7 +336,9 @@ const titleAreaReserved = computed(
 const titleVisible = computed(() => titleAreaReserved.value && !isCleanView.value)
 const titleFontSize = computed(() => {
   const fontSize = props.title?.textStyle?.fontSize
-  return Number.isFinite(fontSize) && (fontSize ?? 0) > 0 ? (fontSize as number) : TITLE_DEFAULT_FONT_SIZE
+  return Number.isFinite(fontSize) && (fontSize ?? 0) > 0
+    ? (fontSize as number)
+    : TITLE_DEFAULT_FONT_SIZE
 })
 const titleRotation = computed(() => {
   const rotation = props.title?.textStyle?.rotation
@@ -351,7 +363,10 @@ const estimatedTitleWidth = computed(() => {
   const spacingWidth = Number.isFinite(letterSpacing)
     ? Math.max(0, resolvedTitleText.value.length - 1) * letterSpacing
     : 0
-  return Math.max(1, resolvedTitleText.value.length * titleFontSize.value * TITLE_CHAR_WIDTH_RATIO + spacingWidth)
+  return Math.max(
+    1,
+    resolvedTitleText.value.length * titleFontSize.value * TITLE_CHAR_WIDTH_RATIO + spacingWidth,
+  )
 })
 const titleAvailableWidth = computed(() => {
   const measuredAvailableWidth = chartWidth.value - TITLE_AREA_HORIZONTAL_PADDING * 2
@@ -554,7 +569,6 @@ const yAxisLayout = computed(() => {
   }
 })
 const hasWaveformData = computed(() => chartSeries.value.length > 0)
-const hoveredPoint = computed(() => hoveredSeriesPoints.value[0]?.point ?? null)
 const hasChartArea = computed(() => innerWidth.value > 0 && innerHeight.value > 0)
 const resolvedXLabel = computed(() => props.xLabel ?? `时间（${props.timeUnit}）`)
 const activeInteractionMode = computed(() => props.interactionMode)
@@ -563,17 +577,6 @@ const isZoomMode = computed(
   () => activeInteractionMode.value === 'zoom' || activeInteractionMode.value === undefined,
 )
 
-// 转换为 Tooltip 组件需要的格式
-const tooltipSeriesPoints = computed<TooltipSeriesPoint[]>(() => {
-  return hoveredSeriesPoints.value.map((item) => ({
-    trackIndex: item.trackIndex,
-    name: item.name,
-    color: item.color,
-    unit: item.unit,
-    point: item.point,
-  }))
-})
-
 const sharedXDomain = computed(() => {
   const values: number[] = []
   chartTracks.value.forEach((track) => {
@@ -863,10 +866,14 @@ function clearZoomBindings() {
 
 function resolveMaximumZoomScale(domain: [number, number]): number {
   const minZoomSpan = props.minZoomSpan
-  if (!Number.isFinite(minZoomSpan) || (minZoomSpan ?? 0) <= 0) return ZOOM_CONSTRAINTS.DEFAULT_MAX_SCALE
+  if (!Number.isFinite(minZoomSpan) || (minZoomSpan ?? 0) <= 0)
+    return ZOOM_CONSTRAINTS.DEFAULT_MAX_SCALE
   const domainSpan = Math.abs(domain[1] - domain[0])
   if (!Number.isFinite(domainSpan) || domainSpan <= 0) return ZOOM_CONSTRAINTS.MIN_SCALE
-  return Math.min(ZOOM_CONSTRAINTS.DEFAULT_MAX_SCALE, Math.max(ZOOM_CONSTRAINTS.MIN_SCALE, domainSpan / (minZoomSpan ?? domainSpan)))
+  return Math.min(
+    ZOOM_CONSTRAINTS.DEFAULT_MAX_SCALE,
+    Math.max(ZOOM_CONSTRAINTS.MIN_SCALE, domainSpan / (minZoomSpan ?? domainSpan)),
+  )
 }
 
 function canZoomTrack(track: TrackLayout): boolean {
@@ -967,9 +974,9 @@ function scheduleHover(update: () => void) {
 
 function hoveredPointsMatch(nextPoints: HoveredSeriesPoint[]): boolean {
   return (
-    hoveredSeriesPoints.value.length === nextPoints.length &&
+    hoverState.points.length === nextPoints.length &&
     nextPoints.every((point, index) => {
-      const current = hoveredSeriesPoints.value[index]
+      const current = hoverState.points[index]
       return (
         current?.id === point.id &&
         current.trackIndex === point.trackIndex &&
@@ -984,20 +991,34 @@ function commitHover(
   trackIndex: number | null,
   position: { x: number; y: number },
 ) {
-  if (!hoveredPointsMatch(nextPoints)) hoveredSeriesPoints.value = nextPoints
+  if (!hoveredPointsMatch(nextPoints)) hoverState.points = nextPoints
-  hoveredTrackIndex.value = trackIndex
+  hoverState.trackIndex = trackIndex
-  hoverPosition.value = position
+  hoverState.position = position
-  // Emit using the updated hoveredSeriesPoints to avoid race condition
+  emit('point-hover', hoverState.points[0]?.point ?? null)
-  emit('point-hover', hoveredSeriesPoints.value[0]?.point ?? null)
 }
 
 function clearHover() {
   cancelPendingHover()
-  hoveredSeriesPoints.value = []
+  hoverState.points = []
-  hoveredTrackIndex.value = null
+  hoverState.trackIndex = null
   emit('point-hover', null)
 }
 
+function createHoveredSeriesPoint(
+  series: DisplaySeries,
+  trackIndex: number,
+  point: WaveformPoint,
+): HoveredSeriesPoint {
+  return {
+    id: series.id,
+    name: series.name,
+    color: series.color,
+    unit: series.unit,
+    trackIndex,
+    point,
+  }
+}
+
 function beginAnnotationDrag() {
   suppressHoverUntilMove.value = true
   clearHover()
@@ -1315,7 +1336,7 @@ function handleIndependentPointerMove(event: PointerEvent, trackIndex: number) {
     const xValue = track.xScale.invert(Math.max(0, Math.min(innerWidth.value, pointerX)))
     const nextPoints = track.seriesList.flatMap((series) => {
       const point = nearestPoint(series, xValue)
-      return point ? [{ ...series, trackIndex, point }] : []
+      return point ? [createHoveredSeriesPoint(series, trackIndex, point)] : []
     })
     commitHover(nextPoints, trackIndex, {
       x: resolvedChartLeftMargin.value + track.left + pointerX,
@@ -1345,7 +1366,7 @@ function handleSharedPointerMove(event: PointerEvent) {
     const nextPoints = trackLayouts.value.flatMap((track) =>
       track.seriesList.flatMap((series) => {
         const point = nearestPoint(series, xValue)
-        return point ? [{ ...series, trackIndex: track.index, point }] : []
+        return point ? [createHoveredSeriesPoint(series, track.index, point)] : []
       }),
     )
     commitHover(nextPoints, null, {
@@ -1920,17 +1941,16 @@ onBeforeUnmount(() => {
           :track="track"
           :clip-path-id="clipPathId"
           :inner-width="innerWidth"
-          :show-tooltip="showTooltip"
           :zoomable="zoomable"
           :display-mode="displayMode"
           :interaction-mode="activeInteractionMode"
           :frame-number="resolveFrameNumber(track.index)"
           :frame-style="frameStyle"
+          :axes="axes"
           :clean-view="isCleanView"
           :zero-line="resolvedZeroLine"
           :time-unit="timeUnit"
           :y-label="yLabel"
-          :hovered-point="hoveredSeriesPoints.find((p) => p.trackIndex === track.index)"
           @pointer-move="handleIndependentPointerMove($event, track.index)"
           @pointer-down="beginViewportDrag($event, track.index, true)"
           @pointer-up="finishViewportDrag"
@@ -1940,6 +1960,13 @@ onBeforeUnmount(() => {
           @contextmenu="handleAnnotationContextMenu($event, track.index)"
         />
 
+        <WaveformHoverLayer
+          :state="hoverState"
+          :tracks="trackLayouts"
+          :clip-path-id="clipPathId"
+          :visible="showTooltip"
+        />
+
         <rect
           v-if="selectionBox && selection?.mode === 'box'"
           class="waveform-chart__zoom-selection"
@@ -1966,13 +1993,14 @@ onBeforeUnmount(() => {
             :key="`legend-${track.index}-${track.series.name}`"
             class="waveform-chart__legend-track"
             :data-legend-track-index="track.index"
+            :data-legend-track-id="track.id"
             :transform="`translate(${track.left}, ${track.top})`"
           >
             <WaveformLegend
               v-if="!track.isEmpty && track.legendSeries.length > 1"
               :series="track.legendSeries"
-              :position="legendPosition"
+              :position="resolveLegendPosition(track.id)"
-              :orientation="legendOrientation"
+              :orientation="resolveLegendOrientation(resolveLegendPosition(track.id))"
               :background-color="legendBackgroundColor"
               :interactive="legendInteractive"
               :hidden-series-ids="resolvedHiddenSeriesIds"
@@ -2040,13 +2068,10 @@ onBeforeUnmount(() => {
       @close="annotationInteraction.closeContextMenu"
     />
 
-    <!-- Tooltip -->
+    <WaveformHoverHost
-    <WaveformTooltip
+      :state="hoverState"
-      :visible="showTooltip && hoveredPoint !== null"
+      :visible="showTooltip"
-      :position="hoverPosition"
       :time-unit="timeUnit"
-      :hovered-point="hoveredPoint"
-      :series-points="tooltipSeriesPoints"
       :container-width="chartWidth"
       :container-height="chartHeight"
     />

src/components/core/layout.ts

@@ -371,6 +371,7 @@ export function buildTrackLayouts(options: BuildTrackLayoutsOptions): TrackLayou
     })
 
     return {
+      id: displayTrack.id,
       index,
       series,
       seriesList: displayTrack.visibleSeries,

src/components/core/types.ts

@@ -63,15 +63,27 @@ export interface WaveformYAxisLayout {
 /**
  * 悬浮的系列点
  */
-export interface HoveredSeriesPoint extends DisplaySeries {
+export interface HoveredSeriesPoint {
+  id: string
+  name: string
+  unit?: string
+  color: string
   trackIndex: number
   point: WaveformPoint
 }
 
+export interface WaveformHoverState {
+  points: HoveredSeriesPoint[]
+  trackIndex: number | null
+  position: { x: number; y: number }
+}
+
 /**
  * 轨道布局
  */
 export interface TrackLayout {
+  /** Stable track key derived from trackId, or from the series id when trackId is omitted. */
+  id: string
   index: number
   series: DisplaySeries
   /** Visible series used by rendering and interaction code. */

src/components/data/types.ts

@@ -19,6 +19,7 @@ export type {
   WaveformLegendOrientation,
   WaveformLegendOptions,
   WaveformFrameStyle,
+  WaveformAxesOptions,
   WaveformZeroLineOptions,
   SingleWaveformData,
   WaveformLineType,

src/components/index.ts

@@ -17,6 +17,7 @@ export type {
   WaveformLegendOrientation,
   WaveformLegendOptions,
   WaveformFrameStyle,
+  WaveformAxesOptions,
   WaveformZeroLineOptions,
   WaveformPoint,
   WaveformSeries,

src/components/interaction/WaveformHoverHost.vue

@@ -0,0 +1,28 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+
+import type { WaveformHoverState } from '../core/types'
+import WaveformTooltip from './WaveformTooltip.vue'
+
+const props = defineProps<{
+  state: WaveformHoverState
+  visible: boolean
+  timeUnit: 's' | 'ms'
+  containerWidth: number
+  containerHeight: number
+}>()
+
+const hoveredPoint = computed(() => props.state.points[0]?.point ?? null)
+</script>
+
+<template>
+  <WaveformTooltip
+    :visible="visible && hoveredPoint !== null"
+    :position="state.position"
+    :time-unit="timeUnit"
+    :hovered-point="hoveredPoint"
+    :series-points="state.points"
+    :container-width="containerWidth"
+    :container-height="containerHeight"
+  />
+</template>

src/components/interaction/WaveformTooltip.test.ts

@@ -66,6 +66,31 @@ describe('WaveformTooltip', () => {
     expect(wrapper.get('.waveform-tooltip__series small').text()).toBe('(+2 / -1)')
   })
 
+  it('keeps a formatted value and its unit in one value container', () => {
+    const hoveredPoint = { x: 1, y: -1405.4932 }
+    const wrapper = mount(WaveformTooltip, {
+      props: {
+        visible: true,
+        position: { x: 10, y: 10 },
+        timeUnit: 'ms',
+        hoveredPoint,
+        seriesPoints: [
+          {
+            trackIndex: 0,
+            name: 'ENG8KJXAc(10001)',
+            color: '#ffb43b',
+            unit: 'A',
+            point: hoveredPoint,
+          },
+        ],
+        containerWidth: 400,
+        containerHeight: 300,
+      },
+    })
+
+    expect(wrapper.get('.waveform-tooltip__value').text()).toBe('-1,405.4932 A')
+  })
+
   it('omits the error label when both resolved errors are zero', () => {
     const point = { x: 1, y: 12 }
     const wrapper = mount(WaveformTooltip, {

src/components/interaction/WaveformTooltip.vue

@@ -77,7 +77,7 @@ function formatError(point: WaveformPoint): string | null {
     >
       <i :style="{ backgroundColor: seriesPoint.color }" />
       <strong v-if="seriesPoint.name">{{ seriesPoint.name }}:</strong>
-      <span>
+      <span class="waveform-tooltip__value">
         {{ formatTooltipNumber(seriesPoint.point.y)
         }}{{ seriesPoint.unit ? ` ${seriesPoint.unit}` : '' }}
         <small v-if="formatError(seriesPoint.point)">{{ formatError(seriesPoint.point) }}</small>
@@ -116,7 +116,7 @@ function formatError(point: WaveformPoint): string | null {
 
 .waveform-tooltip__series {
   display: grid;
-  grid-template-columns: 8px auto minmax(0, 1fr);
+  grid-template-columns: 8px minmax(0, 1fr) auto;
   gap: 6px;
   align-items: center;
 }
@@ -134,6 +134,10 @@ function formatError(point: WaveformPoint): string | null {
   white-space: nowrap;
 }
 
+.waveform-tooltip__value {
+  white-space: nowrap;
+}
+
 .waveform-tooltip__series small {
   color: #667085;
   white-space: nowrap;

src/components/interaction/index.ts

@@ -1 +1,2 @@
 export { default as WaveformTooltip } from './WaveformTooltip.vue'
+export { default as WaveformHoverHost } from './WaveformHoverHost.vue'

src/components/rendering/WaveformHoverLayer.vue

@@ -0,0 +1,60 @@
+<script setup lang="ts">
+import { computed } from 'vue'
+
+import type { HoveredSeriesPoint, TrackLayout, WaveformHoverState } from '../core/types'
+
+const props = defineProps<{
+  state: WaveformHoverState
+  tracks: TrackLayout[]
+  clipPathId: string
+  visible: boolean
+}>()
+
+interface Crosshair {
+  point: HoveredSeriesPoint
+  track: TrackLayout
+  x: number
+}
+
+const crosshairs = computed<Crosshair[]>(() => {
+  if (!props.visible) return []
+
+  const pointByTrack = new Map<number, HoveredSeriesPoint>()
+  props.state.points.forEach((point) => {
+    if (!pointByTrack.has(point.trackIndex)) pointByTrack.set(point.trackIndex, point)
+  })
+
+  return props.tracks.flatMap((track) => {
+    const point = pointByTrack.get(track.index)
+    return point && !track.isEmpty && track.hasVisibleSeries
+      ? [{ point, track, x: track.xScale(point.point.x) }]
+      : []
+  })
+})
+</script>
+
+<template>
+  <g class="waveform-chart__hover-layer" pointer-events="none" aria-hidden="true">
+    <g
+      v-for="crosshair in crosshairs"
+      :key="crosshair.track.index"
+      class="waveform-track__crosshair waveform-chart__crosshair"
+      :clip-path="`url(#${clipPathId}-${crosshair.track.index})`"
+      :transform="`translate(${crosshair.track.left ?? 0}, ${crosshair.track.top})`"
+    >
+      <line :x1="crosshair.x" :x2="crosshair.x" y1="0" :y2="crosshair.track.height" />
+    </g>
+  </g>
+</template>
+
+<style scoped>
+.waveform-track__crosshair {
+  pointer-events: none;
+}
+
+.waveform-track__crosshair line {
+  stroke: #57617b;
+  stroke-width: 1;
+  stroke-dasharray: 4 3;
+}
+</style>

src/components/rendering/WaveformTrack.vue

@@ -2,14 +2,9 @@
 import { computed, nextTick, onMounted, ref, watch } from 'vue'
 import { axisBottom, axisLeft, axisRight, select } from 'd3'
 import { formatAxisTime, formatScientificAxisLabel } from '../../utils'
-import type { WaveformFrameStyle, WaveformZeroLineOptions } from '../../types'
+import type { WaveformAxesOptions, WaveformFrameStyle, WaveformZeroLineOptions } from '../../types'
 import type { WaveformDisplayMode, WaveformInteractionMode } from '../data/types'
-import type {
+import type { DisplaySeries, TrackLayout, WaveformYAxisLayout } from '../core/types'
-  DisplaySeries,
-  HoveredSeriesPoint,
-  TrackLayout,
-  WaveformYAxisLayout,
-} from '../core/types'
 import WaveformSeriesLayer from './WaveformSeriesLayer.vue'
 
 interface Props {
@@ -19,8 +14,6 @@ interface Props {
   clipPathId: string
   /** 内部宽度 */
   innerWidth: number
-  /** 是否显示 tooltip */
-  showTooltip: boolean
   /** 是否可缩放 */
   zoomable: boolean
   /** 显示模式 */
@@ -31,10 +24,10 @@ interface Props {
   frameNumber?: string | number
   /** 图框样式 */
   frameStyle?: WaveformFrameStyle
+  /** 坐标轴线显示选项 */
+  axes?: WaveformAxesOptions
   /** 时间单位 */
   timeUnit: 's' | 'ms'
-  /** 悬浮点（用于显示十字线） */
-  hoveredPoint?: HoveredSeriesPoint
   /** Y 轴标签回退值 */
   yLabel?: string
   /** Hide visual aids while keeping chart interaction active. */
@@ -72,7 +65,10 @@ const resolvedFrameStyle = computed(() => {
       typeof borderWidth === 'number' && Number.isFinite(borderWidth) && borderWidth >= 0
         ? borderWidth
         : 1,
-    borderStyle: props.frameStyle?.borderStyle === 'dashed' ? 'dashed' : 'solid',
+    borderStyle:
+      props.frameStyle?.borderStyle === 'dashed' || props.frameStyle?.borderStyle === 'dotted'
+        ? props.frameStyle.borderStyle
+        : 'solid',
     backgroundColor: props.frameStyle?.backgroundColor || 'transparent',
   }
 })
@@ -105,20 +101,6 @@ function shouldShowYAxisLabel(trackHeight: number, trackIndex: number): boolean
   return trackIndex % labelSpacing === 0
 }
 
-function crosshairX(): number {
-  return props.hoveredPoint && props.hoveredPoint.trackIndex === props.track.index
-    ? props.track.xScale(props.hoveredPoint.point.x)
-    : 0
-}
-
-function hasCrosshair(): boolean {
-  return (
-    props.showTooltip &&
-    props.hoveredPoint !== undefined &&
-    props.hoveredPoint.trackIndex === props.track.index
-  )
-}
-
 function zeroLineY(axis: WaveformYAxisLayout): number | null {
   const [minimum, maximum] = axis.scale.domain()
   if (!props.zeroLine.visible || minimum > 0 || maximum < 0) return null
@@ -138,11 +120,16 @@ function renderAxes() {
 
     yAxis.tickValues(axis.tickValues)
 
-    select(element).call(yAxis)
+    const selection = select(element)
+    selection.call(yAxis)
+    selection
+      .selectAll('path.domain')
+      .attr('display', props.axes?.y?.lineVisible === false ? 'none' : null)
   })
 
   if (xAxisElement.value) {
-    select(xAxisElement.value).call(
+    const selection = select(xAxisElement.value)
+    selection.call(
       axisBottom(props.track.xScale)
         .tickValues(props.track.xAxisTickValues)
         .tickFormat((value) =>
@@ -156,6 +143,9 @@ function renderAxes() {
         .tickPadding(7)
         .tickSizeOuter(0),
     )
+    selection
+      .selectAll('path.domain')
+      .attr('display', props.axes?.x?.lineVisible === false ? 'none' : null)
   }
 }
 
@@ -171,6 +161,8 @@ watch(
     () => props.track.xAxisTickValues,
     () => props.track.yAxisTickValues,
     () => props.timeUnit,
+    () => props.axes?.x?.lineVisible,
+    () => props.axes?.y?.lineVisible,
   ],
   async () => {
     await nextTick()
@@ -307,6 +299,7 @@ watch(
       v-if="track.showXAxis && !cleanView"
       ref="xAxisElement"
       class="waveform-track__axis waveform-track__axis--x waveform-chart__axis waveform-chart__axis--x"
+      :class="{ 'waveform-track__axis--line-hidden': axes?.x?.lineVisible === false }"
       :transform="`translate(0, ${track.height})`"
     />
     <g
@@ -353,7 +346,10 @@ watch(
       :key="`y-axis-${track.index}-${axis.index}`"
       :ref="(element) => setYAxisElement(element, axis.index)"
       class="waveform-track__axis waveform-track__axis--y waveform-chart__axis waveform-chart__axis--y"
-      :class="`waveform-track__axis--${axis.side}`"
+      :class="[
+        `waveform-track__axis--${axis.side}`,
+        { 'waveform-track__axis--line-hidden': axes?.y?.lineVisible === false },
+      ]"
       :data-y-axis-index="axis.index"
       :data-y-axis-side="axis.side"
       :transform="`translate(${axis.x}, 0)`"
@@ -439,22 +435,20 @@ watch(
       fill="none"
       :stroke="resolvedFrameStyle.borderColor"
       :stroke-width="resolvedFrameStyle.borderWidth"
-      :stroke-dasharray="resolvedFrameStyle.borderStyle === 'dashed' ? '6 4' : undefined"
+      :stroke-dasharray="
+        resolvedFrameStyle.borderStyle === 'dashed'
+          ? '6 4'
+          : resolvedFrameStyle.borderStyle === 'dotted'
+            ? '1 3'
+            : undefined
+      "
+      :stroke-linecap="resolvedFrameStyle.borderStyle === 'dotted' ? 'round' : undefined"
       aria-hidden="true"
     />
 
     <!-- 波形系列隔离在静态子组件中，避免 hover 更新遍历大量 SVG 节点。 -->
     <WaveformSeriesLayer :track="track" :clip-path-id="clipPathId" />
 
-    <!-- 十字线 -->
-    <g
-      v-if="!track.isEmpty && track.hasVisibleSeries && hasCrosshair()"
-      class="waveform-track__crosshair waveform-chart__crosshair"
-      :clip-path="`url(#${clipPathId}-${track.index})`"
-    >
-      <line :x1="crosshairX()" :x2="crosshairX()" y1="0" :y2="track.height" />
-    </g>
-
     <!-- 交互覆盖层（仅在独立模式下） -->
     <rect
       v-if="!track.isEmpty && track.hasVisibleSeries && displayMode === 'independent'"
@@ -561,16 +555,6 @@ watch(
   cursor: crosshair;
 }
 
-.waveform-track__crosshair {
-  pointer-events: none;
-}
-
-.waveform-track__crosshair line {
-  stroke: #57617b;
-  stroke-width: 1;
-  stroke-dasharray: 4 3;
-}
-
 .waveform-track__zero-line {
   fill: none;
   pointer-events: none;

src/components/rendering/index.ts

@@ -1,3 +1,4 @@
 export { default as WaveformTrack } from './WaveformTrack.vue'
 export { default as WaveformLegend } from './WaveformLegend.vue'
+export { default as WaveformHoverLayer } from './WaveformHoverLayer.vue'
 export { waveformPointSymbolPath } from './seriesStyle'

src/data/simulatedWaveforms.test.ts

@@ -0,0 +1,31 @@
+import { describe, expect, it } from 'vitest'
+
+import { createSimulatedWaveformData } from './simulatedWaveforms'
+
+describe('simulated waveform data', () => {
+  it('creates deterministic, finite six-channel data', () => {
+    const first = createSimulatedWaveformData()
+    const second = createSimulatedWaveformData()
+
+    expect(first).toEqual(second)
+    expect(first.kind).toBe('series')
+    if (first.kind !== 'series') return
+
+    expect(first.series).toHaveLength(6)
+    expect(new Set(first.series.map((series) => series.id)).size).toBe(6)
+    first.series.forEach((series) => {
+      expect(series.data.kind).toBe('points')
+      if (series.data.kind !== 'points') return
+      expect(series.data.points).toHaveLength(1_000)
+      expect(series.data.points[0]?.x).toBe(-5)
+      expect(series.data.points.at(-1)?.x).toBe(5)
+      series.data.points.forEach((point) => {
+        expect(Number.isFinite(point.x)).toBe(true)
+        expect(Number.isFinite(point.y)).toBe(true)
+        if (point.error !== undefined) expect(point.error).toBeGreaterThanOrEqual(0)
+        if (point.lowerError !== undefined) expect(point.lowerError).toBeGreaterThanOrEqual(0)
+        if (point.upperError !== undefined) expect(point.upperError).toBeGreaterThanOrEqual(0)
+      })
+    })
+  })
+})

src/data/simulatedWaveforms.ts

@@ -0,0 +1,121 @@
+import type { WaveformData, WaveformPoint, WaveformSeries } from '../types'
+
+const POINT_COUNT = 1_000
+const START_TIME = -5
+const END_TIME = 5
+const TWO_PI = Math.PI * 2
+
+type SignalGenerator = (time: number, noise: number) => number
+type ErrorGenerator = (time: number, value: number) => Pick<
+  WaveformPoint,
+  'error' | 'lowerError' | 'upperError'
+>
+
+interface SimulatedSeriesDefinition
+  extends Pick<
+    WaveformSeries,
+    'id' | 'name' | 'unit' | 'lineType' | 'pointType' | 'errorBar'
+  > {
+  signal: SignalGenerator
+  errors?: ErrorGenerator
+}
+
+function createSeededNoise(seed: number) {
+  let state = seed >>> 0
+  return () => {
+    state = (Math.imul(state, 1_664_525) + 1_013_904_223) >>> 0
+    return state / 0x1_0000_0000 - 0.5
+  }
+}
+
+function createPoints(
+  signal: SignalGenerator,
+  noise: () => number,
+  errors?: ErrorGenerator,
+): WaveformPoint[] {
+  return Array.from({ length: POINT_COUNT }, (_, index) => {
+    const time = START_TIME + (index * (END_TIME - START_TIME)) / (POINT_COUNT - 1)
+    const value = signal(time, noise())
+    return {
+      x: time,
+      y: value,
+      ...(errors?.(time, value) ?? {}),
+    }
+  })
+}
+
+const seriesDefinitions: SimulatedSeriesDefinition[] = [
+  {
+    id: 'simulated-sine',
+    name: '正弦基波',
+    unit: 'V',
+    lineType: 'none',
+    pointType: 'triangle',
+    errorBar: { visible: true },
+    signal: (time) => 1.2 * Math.sin(TWO_PI * 0.8 * time),
+    errors: (time) => ({
+      lowerError: 0.06 + 0.015 * Math.abs(Math.sin(time)),
+      upperError: 0.08 + 0.02 * Math.abs(Math.cos(time)),
+    }),
+  },
+  {
+    id: 'simulated-harmonic',
+    name: '谐波扰动',
+    unit: 'V',
+    lineType: 'linear',
+    pointType: 'none',
+    signal: (time) =>
+      0.9 * Math.sin(TWO_PI * 0.55 * time) + 0.28 * Math.sin(TWO_PI * 2.2 * time + 0.4),
+  },
+  {
+    id: 'simulated-damped',
+    name: '阻尼振荡',
+    unit: 'A',
+    lineType: 'linear',
+    pointType: 'none',
+    signal: (time) => {
+      const elapsed = time + 5
+      return 2.4 * Math.exp(-elapsed * 0.28) * Math.sin(TWO_PI * 1.25 * elapsed)
+    },
+  },
+  {
+    id: 'simulated-step',
+    name: '阶跃响应',
+    unit: 'V',
+    lineType: 'linear',
+    pointType: 'none',
+    signal: (time) => (time < 0 ? 0 : 1 - Math.exp(-time * 2.4)),
+  },
+  {
+    id: 'simulated-pulse',
+    name: '脉冲响应',
+    unit: 'V',
+    lineType: 'linear',
+    pointType: 'none',
+    signal: (time) => 1.8 * Math.exp(-((time - 0.75) ** 2) / 0.12),
+  },
+  {
+    id: 'simulated-noise',
+    name: '带噪信号',
+    unit: 'A',
+    lineType: 'linear',
+    pointType: 'diamond',
+    errorBar: { visible: true },
+    signal: (time, noise) => 0.7 * Math.sin(TWO_PI * 0.45 * time) + noise * 0.36,
+    errors: () => ({ error: 0.12 }),
+  },
+]
+
+export function createSimulatedWaveformData(): WaveformData {
+  const noise = createSeededNoise(0x5eed1234)
+  return {
+    kind: 'series',
+    series: seriesDefinitions.map(({ signal, errors, ...series }) => ({
+      ...series,
+      data: {
+        kind: 'points',
+        points: createPoints(signal, noise, errors),
+      },
+    })),
+  }
+}

src/data/wData.json

@@ -1,813 +0,0 @@
-[
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-      4590.4, 4603.3, 4616.2, 4629.1, 4642, 4654.9, 4667.799999999999, 4680.7, 4693.6, 4706.5,
-      4719.400000000001, 4732.3, 4745.2, 4758.099999999999, 4771, 4783.9, 4796.8, 4809.700000000001,
-      4822.6, 4835.5, 4848.4, 4861.3, 4874.2, 4887.1, 4900, 4912.9, 4925.8, 4938.7, 4951.6, 4964.5,
-      4977.400000000001, 4990.3
-    ],
-    "time_unit": "ms"
-  }
-]

src/index.ts

@@ -23,6 +23,7 @@ export type {
   WaveformLegendOrientation,
   WaveformLegendOptions,
   WaveformFrameStyle,
+  WaveformAxesOptions,
   WaveformZeroLineOptions,
   // 数据类型
   SingleWaveformData,

src/styles.css

@@ -130,6 +130,10 @@ body {
   font-size: 12px;
 }
 
+.grid-line-control--switch-only {
+  grid-template-columns: minmax(0, 1fr) auto;
+}
+
 .grid-line-color-picker,
 .grid-line-color-picker .vc-color-wrap {
   width: 48px;

src/types/chart.ts

@@ -104,6 +104,8 @@ export type WaveformLegendOrientation = 'auto' | 'horizontal' | 'vertical'
 /** Options shared by legends in every multi-series track. */
 export interface WaveformLegendOptions {
   position?: WaveformLegendPosition
+  /** Per-track position overrides keyed by trackId, or by series id when trackId is omitted. */
+  trackPositions?: Record<string, WaveformLegendPosition>
   orientation?: WaveformLegendOrientation
   /** CSS color used by the legend panel; alpha controls background transparency. */
   backgroundColor?: string
@@ -115,10 +117,20 @@ export interface WaveformLegendOptions {
 export interface WaveformFrameStyle {
   borderColor?: string
   borderWidth?: number
-  borderStyle?: 'solid' | 'dashed'
+  borderStyle?: 'solid' | 'dashed' | 'dotted'
   backgroundColor?: string
 }
 
+/** Controls axis baseline visibility while preserving tick marks and axis text. */
+export interface WaveformAxesOptions {
+  x?: {
+    lineVisible?: boolean
+  }
+  y?: {
+    lineVisible?: boolean
+  }
+}
+
 /** Styling and visibility options for the horizontal zero-value reference line. */
 export interface WaveformZeroLineOptions {
   visible?: boolean

src/types/index.ts

@@ -18,6 +18,7 @@ export type {
   WaveformLegendOrientation,
   WaveformLegendOptions,
   WaveformFrameStyle,
+  WaveformAxesOptions,
   WaveformZeroLineOptions,
 } from './chart'