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iTool User's Guide: Working with Maps |
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The Insert Map
Grid operation creates a longitude-latitude grid (Figure 15-7) within the current dataspace, using the current projection. If no projection is active, then IDL uses geographic coordinates.
The gridlines appear as a single MapGrid object within the current dataspace. For information on this visualization, see Map Grid.
Note When you insert a map grid, the Axes container within the dataspace is automatically hidden. To display the axes, use the Visualization Browser to change the Show property of the Axes container. |
IDL Online Help (March 01, 2006)