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Timeline for Polygonize/Vectorize large raster

Current License: CC BY-SA 4.0

9 events
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May 21, 2022 at 13:27 answer added Micha timeline score: 2
May 19, 2022 at 18:09 comment added Lance If the underlying raster data is binary, I recommend you reclassify as an integer data type instead of 32 bit float before attempting to polygonize.
May 19, 2022 at 15:52 history edited user30184 CC BY-SA 4.0
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May 19, 2022 at 14:56 comment added Erik Have you tried converting to contour lines, putting in some manual work to close open lines at the border and then converting the lines to polygons?
May 19, 2022 at 14:50 history edited N_LLC CC BY-SA 4.0
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May 19, 2022 at 14:48 comment added Ian Turton You need to edit your question to give us more details - size in pixels for example, gdalinfo output etc
May 19, 2022 at 14:30 comment added N_LLC I used r.reclass to create a binary map
May 19, 2022 at 14:29 comment added Ian Turton how did you prepare your raster? compression, tiliing etc?
May 19, 2022 at 14:27 history asked N_LLC CC BY-SA 4.0