Ask A Cartographer

data frames transparency

October 14 2011 | 0 comments
Categories: Publishing

Hi there,

I created a map with three data frames (see attachment). In the upper right corner, there are two data frames with a river which are in parts superposed. The background of both of them is defined as none (I also tried with hollow). Behind them there is a white box.

In ArcMap, I can see both rivers nicely. If I export (tried as pdf and png) there will always be the background of the topmost data frame displayed as white and outcut a part of the river piece displayed in the second data frame.

Do you have any suggestion on how to solve that problem? Thank you!!

Mapping Center Answer:

There is a known issue with printing or exporting layers that are rasterized on output. Layers become rasterized on output when they have been set with a percentage of transparency, or when they are below layers that are transparent, contain picture symbology or raster datasets. The workaround is to remove the layers or transparency that are causing a problem in the data frame.

Also, if possible, try to make sure that your data frames do not overlap one another. If they overlap, there is the potential for a problem, as explained in this Knowledge Base article: Data frame, inserted pictures, inset maps are not transparent on output.

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