New maps may be added through the Edit menu. You can choose to add any of the predefined
maps available to the IDV or you can select a map file (e.g., a shape file) from the
file system.
The File->Default Maps->Save as the Default Map Preference menu item allows you to save the current
set of maps in a display as the default maps. When a new view window is created the maps that
are saved as the default are used as the background maps.
Note: Once you save a set of maps as the default maps then every time your create a new display those maps and those maps only will be used. If you were to add a set of new maps using a plugin then those maps will not show up by default in your display.
To clear the default maps choose the menu item File->Default Maps->Remove Local Map Defaults menu item allows you to save the current
This list shows the set of currently loaded maps. In this list you can remove a map, change
its visibility, line width, style and color. The Fast Rendering button, when on,
can save on rendering time by not checking for projection seam crossings. Note: some maps
will display incorrectly when fast rendering is turned on.
The "plus" icon on the right allows you to add the given map as a Map Data Source. This allows you to do
display the given map in 3D draped over topography and/or do spatial analysis using the map (e.g., grid averages within a map).
The link button, when on, will apply any change to a particular map (e.g., color, line width) to all visible maps.
These controls allow you to display latitude and longitude lines. You can set the visibility, spacing, line width, line style and color.
The link button, when on, will apply any changes to a Lat or Lon line to the other line.
This slider allows you to set the vertical position of the maps.