I have a pdf creation function for AIMS2013 (Thank you Jackie for provide MgReadOnlyStream class) which used for create a pdf file based on which data layers clients turned on. If works fine except in one situation: a raster layer in the BaseLayerGroup.
The Map will shows hydro wells, roads, sevral other vector layers on the top of a Raster Image. Due to the whole map has more than 120 layers (all these layers will be on or off based on clients' need and also on/off based on certain scales), I have all the heavy data in the BaseLayerGroup, so the Raster layer has to be in the BaseLayerGroup, all the other data on the top of Raster Image. Then I found my pdf function cannot catch the raster image. If I put raster layer in the non-BaseLayerGroup, then there's no issue, see below image result
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