[GIS] Export Geotif with transparent Background

arcgis-desktoparcmapgeotiff-tiffraster

i using Arcmap and i have a raster file, i need export this using a Geotiff file for use in Geoserver like a layer.

My problem is, when i export the file always exist a color gray or white in the background.

In frame properties i select white background with 'no color', when export geotiff in format tab, i select in background color 'no color'.

Exist another way for found some solution?

Best Answer

Tiff doesn't support 'transparent' like GIF. You need to set NoData value, open the raster properties dialog in ArcCatalog (right click on image):

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In the highlighted line click on the Edit.. button:

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And enter the value for the background. Then press OK and OK to dismiss both dialogs. Now GeoServer (and ArcMap and QGIS and GRASS...) should know that the background value is not to be shown.

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