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Debug Mode

This function allows users to debug both the map and the coordinate system of the map. It adds the following visuals to the map; tile outlines, projection center, layer extents, and a debug panel that display's the mouse's current location in the various coordinate systems.

The map in debug mode

  • The dotted red line represents the tile boundaries at the current zoom level
  • the solid red line represents the layer's extent, if there are multiple layers the solid line may be a variety of colours
  • The bottom left panel displays the current mouse's position

Accessing Debug Mode​

Map's Context Menu​

Debug mode can be enabled through the map context menu (right-click or Shift-F10):

The map in debug mode

Map's API​

Toggling debug mode can also be done through the viewer's API, see the toggleDebug() method for more.