add rounds to avoid weird artifacts in polygon fill

ubarsc / tuiview

TuiView is a lightweight raster GIS with powerful raster attribute table manipulation abilities

http://tuiview.org/

GNU General Public License v2.0

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add rounds to avoid weird artifacts in polygon fill #56

Closed gillins closed 1 year ago

gillins commented 1 year ago

Near the edges. Inspired by gdal's llrasterize.cpp. Note: gdal also does an extra optimisation by working in integer space. I don't think I have the strength for that....