gdalwarp does not always create proper masks when using the -cblend option
|Reported by:||winkey||Owned by:||winkey|
chunks within the envelope of the cutline but not intersecting the cutline +/- blend distance appear to be improperly masked.
these areas outside of the poly results in the source data written to the dest dataset when it should not be.
and sometimes these areas on the inside of a poly the source data is not written to the dest dataset when it should be