Modify Grid Unique Value Map

Feature Description

Users can modify parameters of grid unique value map in the "Grid Unique Value Map" window to achieve desired thematic effects. Double-click a grid unique value map layer in the Layer Manager, or right-click and select "Modify Thematic Map" to open the Thematic Map parameter panel. Parameters are divided into Basic and Advanced categories, as detailed below:

Properties Panel

When creating grid unique value map based on raster layer, the content displayed in the window is shown below.

  1. Color: The "Color" combo box displays and sets color schemes for all cell values in the current grid unique value map.
    • Click the drop-down button to select a color from the list. Different cell values will be assigned colors according to the selected color ramp.
  2. Visibility Settings: Use the visibility button in the toolbar or eye icons in thematic value items to control cell visibility.
    • Click the visibility button in the toolbar to toggle visibility for all selected thematic values.
    • Click the eye icon next to each thematic value to control visibility for specific cells.
  3. Set Display Colors: Click the color button in the toolbar or cell style icon in each thematic value item to open the "Color" panel. Users can choose predefined colors or customize colors for selected cell values.
  4. Add/Remove Thematic Values:
    • The Add button manages thematic values. Clicking it opens a management interface for adding/deleting values. New values can also be added in the dialog below.
    • To remove values: Select target values and click Delete. Removed values will display using default styles.
  5. Single Value: Displays selected single value. The editable field becomes active when one thematic value is selected. Modified values will revert if duplicates exist.
  6. Label Content Settings: Text in green rectangles represents thematic value labels. Double-click labels to enter edit mode.
  7. All parameters in the window take effect immediately (WYSIWYG). Uncheck "Enable Instant Refresh" at bottom to disable real-time updates. Click "Apply" to manually apply changes.

Notes

  1. Customized grid unique value maps can be saved as templates for other layers. See: Save to Thematic Map Template Library.
  2. When creating thematic maps via templates, select saved templates from the "Templates" dropdown menu.