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{{IMSMANG}} includes an embedded GIS component, the [[Map Pane]], based on ESRI’s ArcEngine 10.1 that allows users to visualise mine action information on an integrated map without moving to another application. While {{IMSMANG}} includes many standard GIS features, information managers should consider to use an external GIS applications such as ArcGIS Desktop in order to perform GIS analysis of the data in {{IMSMANG}}. The map used in {{IMSMANG}} Map Pane (the background map) should be customised so it fits the needs of the Mine Action Programme. Since the customisations of the background map will have an impact on the performance and usability of {{IMSMANG}}, it is important to test the implementation before sending the new background map to end-users.
==IMSMA Themes and Symbology==__NOEDITSECTION__
{{HowTo's
| [[Change existing symbol in IMSMA.mxd]]
| [[Add a new symbol to IMSMA.mxd]]
| [[How to make polygons look different in IMSMA.mxd]]
| [[Customise Sub-Themes | Customise Sub-Themes in IMSMA]]
| [[How to work with Sub-Themes in IMSMA.mxd]]
}}
{{IMSMANG}} comes with several symbology options for displaying the Mine action data in the Map pane. For example, Land can be displayed in the Map pane with different symbols for priority, status and type. These symbols are stored in the IMSMA.mxd file and can be customised by information managers as desired. Additionally, {{IMSMANG}} allows information managers to create new sub-themes for each item. Using the Sub-Themes Manager, information managers can display the different attributes of any item that are collected using single-select option lists on Data Entry Form templates. For example, information managers can display the different symbols for the “Slope” values of Land including “0-5%,” “5-10%,” “10-15%” and “15-20%.” The example is shown in the figure below.
[[Image:AdminGuide_ExampleDisplayDifferentSymbols.png|center|500px|''Example of Displaying Different Symbols for Different Attributes'']]
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''Example of Displaying Different Symbols for Different Attributes''
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Changing the symbology used to display data in {{IMSMANG}} is a multi-step process (as shown in the figure below) that should only be undertaken by advanced users with an understanding of GIS. Further, as with all map customisation activities, this process requires the use of an external GIS application.
[[Image:AdminGuide_ProcessForChangingMapSymbology.png|center|700px|''Process for Changing {{IMSMANG}} Map Symbology'']]
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''Process for Changing {{IMSMANG}} Map Symbology''
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{{note|
* Back up any customised map files including any font files (.ttf), style files (.style) and .mxd files, particularly the IMSMA.mxd file. {{IMSMANG}} does not automatically back up customised files.
* Any problems caused by incorrect customisations can be corrected by replacing the updated IMSMA.mxd file with the IMSMA.mxd from the original installation and reimporting the map.
* All map changes, including symbology customisations and mxd changes, affect only the computer on which they are applied. To share these changes to other computers, the customised files must be copied to each computer and the map reimported.
* If changes do not appear to be taking affect as expected in the newly updated map, delete and rebuild the sandbox.}}
==Map Background==__NOEDITSECTION__
{{note|Any changes made to {{IMSMANG}} maps apply only to the computer on which the changes were made. On other computers the updated background maps must be imported.}}
==Projection and Coordinate Systems==__NOEDITSECTION__