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Purpose
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Terminates access to a raster image. |
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Return value
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Returns SUCCEED (or 0) if successful and FAIL (or -1) otherwise. |
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Description
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GRendaccess terminates access to the raster image identified by the parameter ri_id and disposes of the raster image identifier. This access is initiated by either GRselect or GRcreate. There must be a call to GRendaccess for each call to GRselect or GRcreate; failing to provide this will result in loss of data. Attempts to access a raster image identifier disposed of by GRendaccess will result in an error condition. |