Timeline for Polygonize/Vectorize large raster
Current License: CC BY-SA 4.0
9 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
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 |
Markup
|
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 |
added 681 characters in body
|
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 |