[[Image:Existing_symbol0.png|400px|center]]
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'' Symbol editor - Foreground''
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If you would like to change the existing symbols, you need to use ArcGIS software to update IMSMA.mxd which is located in ''C:\IMSMAng\server\gis\maps'' folder.
As example Land by Type will be used. The users thought it was difficult to distinguish between Indication, SHA and CHA and therefore wanted to have different colours also.
[[Image:Existing_symbol1.png|300px|center]]