[docs] Fix the description of tickInterval

docs/translations/api-docs/charts/axis-config.json

@@ -34,7 +34,7 @@
     "stroke": { "description": "The stroke color of the axis line." },
     "tickFontSize": { "description": "The font size of the axis ticks text." },
     "tickInterval": {
-      "description": "Defines which ticks are displayed. Its value can be:<br />- &#39;auto&#39; In such case the ticks are computed based on axis scale and other parameters.<br />- a filtering function of the form <code>(value, index) =&amp;gt; boolean</code> which is available only if the axis has a data property.<br />- an array containing the values where ticks should be displayed."
+      "description": "Defines which ticks are displayed.<br />Its value can be:<br />- &#39;auto&#39; In such case the ticks are computed based on axis scale and other parameters.<br />- a filtering function of the form <code>(value, index) =&amp;gt; boolean</code> which is available only if the axis has &quot;point&quot; scale.<br />- an array containing the values where ticks should be displayed."
     },
     "tickLabelInterval": {
       "description": "Defines which ticks get its label displayed. Its value can be:<br />- &#39;auto&#39; In such case, labels are displayed if they do not overlap with the previous one.<br />- a filtering function of the form (value, index) =&gt; boolean. Warning: the index is tick index, not data ones."

docs/translations/api-docs/charts/charts-x-axis/charts-x-axis.json

@@ -17,7 +17,7 @@
     "stroke": { "description": "The stroke color of the axis line." },
     "tickFontSize": { "description": "The font size of the axis ticks text." },
     "tickInterval": {
-      "description": "Defines which ticks are displayed. Its value can be: - &#39;auto&#39; In such case the ticks are computed based on axis scale and other parameters. - a filtering function of the form <code>(value, index) =&gt; boolean</code> which is available only if the axis has a data property. - an array containing the values where ticks should be displayed."
+      "description": "Defines which ticks are displayed. Its value can be: - &#39;auto&#39; In such case the ticks are computed based on axis scale and other parameters. - a filtering function of the form <code>(value, index) =&gt; boolean</code> which is available only if the axis has &quot;point&quot; scale. - an array containing the values where ticks should be displayed."
     },
     "tickLabelInterval": {
       "description": "Defines which ticks get its label displayed. Its value can be: - &#39;auto&#39; In such case, labels are displayed if they do not overlap with the previous one. - a filtering function of the form (value, index) =&gt; boolean. Warning: the index is tick index, not data ones."

docs/translations/api-docs/charts/charts-y-axis/charts-y-axis.json

@@ -17,7 +17,7 @@
     "stroke": { "description": "The stroke color of the axis line." },
     "tickFontSize": { "description": "The font size of the axis ticks text." },
     "tickInterval": {
-      "description": "Defines which ticks are displayed. Its value can be: - &#39;auto&#39; In such case the ticks are computed based on axis scale and other parameters. - a filtering function of the form <code>(value, index) =&gt; boolean</code> which is available only if the axis has a data property. - an array containing the values where ticks should be displayed."
+      "description": "Defines which ticks are displayed. Its value can be: - &#39;auto&#39; In such case the ticks are computed based on axis scale and other parameters. - a filtering function of the form <code>(value, index) =&gt; boolean</code> which is available only if the axis has &quot;point&quot; scale. - an array containing the values where ticks should be displayed."
     },
     "tickLabelInterval": {
       "description": "Defines which ticks get its label displayed. Its value can be: - &#39;auto&#39; In such case, labels are displayed if they do not overlap with the previous one. - a filtering function of the form (value, index) =&gt; boolean. Warning: the index is tick index, not data ones."

packages/x-charts/src/ChartsXAxis/ChartsXAxis.tsx

@@ -315,10 +315,12 @@ ChartsXAxis.propTypes = {
    */
   tickFontSize: PropTypes.number,
   /**
-   * Defines which ticks are displayed. Its value can be:
+   * Defines which ticks are displayed.
+   * Its value can be:
    * - 'auto' In such case the ticks are computed based on axis scale and other parameters.
-   * - a filtering function of the form `(value, index) => boolean` which is available only if the axis has a data property.
+   * - a filtering function of the form `(value, index) => boolean` which is available only if the axis has "point" scale.
    * - an array containing the values where ticks should be displayed.
+   * @see See {@link https://mui.com/x/react-charts/axis/#fixed-tick-positions}
    * @default 'auto'
    */
   tickInterval: PropTypes.oneOfType([PropTypes.oneOf(['auto']), PropTypes.array, PropTypes.func]),

packages/x-charts/src/ChartsYAxis/ChartsYAxis.tsx

@@ -255,10 +255,12 @@ ChartsYAxis.propTypes = {
    */
   tickFontSize: PropTypes.number,
   /**
-   * Defines which ticks are displayed. Its value can be:
+   * Defines which ticks are displayed.
+   * Its value can be:
    * - 'auto' In such case the ticks are computed based on axis scale and other parameters.
-   * - a filtering function of the form `(value, index) => boolean` which is available only if the axis has a data property.
+   * - a filtering function of the form `(value, index) => boolean` which is available only if the axis has "point" scale.
    * - an array containing the values where ticks should be displayed.
+   * @see See {@link https://mui.com/x/react-charts/axis/#fixed-tick-positions}
    * @default 'auto'
    */
   tickInterval: PropTypes.oneOfType([PropTypes.oneOf(['auto']), PropTypes.array, PropTypes.func]),

packages/x-charts/src/hooks/useTicks.ts

@@ -21,10 +21,12 @@ export interface TickParams {
    */
   tickNumber?: number;
   /**
-   * Defines which ticks are displayed. Its value can be:
+   * Defines which ticks are displayed.
+   * Its value can be:
    * - 'auto' In such case the ticks are computed based on axis scale and other parameters.
-   * - a filtering function of the form `(value, index) => boolean` which is available only if the axis has a data property.
+   * - a filtering function of the form `(value, index) => boolean` which is available only if the axis has "point" scale.
    * - an array containing the values where ticks should be displayed.
+   * @see See {@link https://mui.com/x/react-charts/axis/#fixed-tick-positions}
    * @default 'auto'
    */
   tickInterval?: 'auto' | ((value: any, index: number) => boolean) | any[];