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instructions-of-shape-mapper

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The shape mapper maps data values to graphics in a widget. Graphics include vector and icon. This topic uses the Vector Scatter Layer of the Basic Flat Map 3.0 component as an example to show how to configure scatter shapes with the shape mapper.

To configure the scatter shape in the map widget, first select a scatter type. Available types include Vector and Symbol. For more information, see Shape mapper types. After you select a scatter type, configure the corresponding scatter shapes in the lower part of the configuration panel, such as Vector and Symbol. image

Note

Scatter points of the Vector type support the Stroke effect. Scatter points of the Symbol type do not support the Stroke effect.

Configure shape mapping

Use one of the following methods to configure scatter shapes. In this example, Scatter Type is set to Vector.

  • Method 1: Click the imageicon on the left side of the Vector Shape configuration items to enable visual mapping. In this mode, shapes are not driven by data. Select a scatter graph from the shape drop-down list. image

  • Method 2: Click the imageicon on the left side of the Vector Shape configuration items to Disable Visual Mapping. In this mode, shapes are driven by scatter data through the shape mapper. You can select multiple scatter graphs. image

Description of the shape mapper function

Description

Remarks

Toggle configuration shape mapping when panel collapses

When the shape mapper is collapsed, click the drop-down list to open the shape template. The top row shows the current mapped shapes, and the rows below provide templates to choose from. Click a shape in the template to quickly switch the mapping. image

Panel expansion configuration mapping details

When the shape mapper is expanded, it automatically reads data and maps shapes accordingly. Configure the mapping details as follows. image.png

  • Vector Shape: Click the drop-down list to select a vector shape. After you select a shape, you can adjust its style in the shape mapping list below.

    Note

    Click the 钉住图标icon to the right of a color in the template to pin that color value. Unpinned colors change when you switch templates.

  • Quantity: Specifies the total number of vector shapes.

  • Reverse Order: Click the 反序icon to sort the shape mappings in reverse order.

  • Abnormal Value: Select a shape to represent abnormal values such as undefined, null, and NaN.

  • Custom Mapping: Turn on this switch to customize the mapping between data values and shapes, and set shape styles to meet your requirements.

    • Delete an Entire Line Map: Click the imageicon to the left of a line map entry to delete the entire line map entry.

    • Set Mapping Field: Enter the data field value that corresponds to the shape in the field on the right of a mapping entry.

    • Add a mapping entry: Click the imageicon below the shape mapping list to add a row of shape mapping entries.

Shape Mapper Type

Shape mappers support two graphics mapping types: vector and symbol.

  • Vector: maps data to a vector polygon, such as a triangle, square, diamond, and hexagon.

  • Symbol: maps data to a symbol icon. You can use a built-in icon or provide a custom URL.

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