Map analysis

Prerequisites

• You are logged in to the DataV-Note intelligent analysis platform.

• You have opened the project editor.

Use map analysis

1. Click Visualization > Map to add a map analysis unit.

2. Select a geographic dataset from the current analysis document.

3. The system automatically creates a map based on the selected data.

4. Geographic data types include points, lines, and polygons. The following configurations are for point data.

   • Basic

     • Visible zoom levels: Set the zoom levels at which data points are visible. Data points appear only when the map's zoom level is within the specified range. The range is 0 to 22.

     • Opacity: Set the opacity of the point data. The range is 0 to 100.

     • Collision detection: Enable this feature to prevent icons and labels from overlapping. This setting is available only when the Text label feature is enabled.

   • Color

     • Basic settings: Set the color of the point data. For more information, see Color picker.

     • Color mapping: Click the icon to open the color mapping configuration. For more information, see Color mapper.

   • Radius

     • Basic settings: Drag the slider to set the radius of the data points.

     • Size mapping: Click the icon to open the size mapping configuration. For more information, see Size mapper.

   • Outline

     • Color: Set the outline color. For more information, see Color picker.

     • Width: Drag the slider to set the outline width. The range is 0 to 10.

   • Text label

     • Label field: Select a field from the current layer's data table.

     • Label anchor: Set the label's position relative to the point. The options are Left, Center, Right, Top, and Bottom.

     • Font size: Set the font size of the label. The range is 0 to 50.

     • Font color: Set the label color. For more information, see Color picker.

     • Outline width: Set the outline width of the label. The range is 0 to 5.

     • Outline color: Set the outline color of the label. For more information, see Color picker.

   • Interactive Dialog

     • Displayed Fields: Select the parameter fields to display in the tooltip.

5. (Optional) On the map canvas, you can perform the following actions:

   • Drag with the left mouse button to pan the map.

   • Drag with the right mouse button to rotate the map.

   • Click the or icon to collapse or expand the map configuration panel.

   • Use the mouse wheel, or click the or icons in the lower-right corner, to zoom in or out of the map.

   • Click the icon to reset the map's orientation.