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Results tagged with contour
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user 178091
Contour maps depict spatially-varying values, such as elevation, by means of curves of equal value.
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QGIS conversion of USGS GeoTIFF to contours leaves strange artifacts at border of tiles?
These were then converted to contours using the qgis toolbox (GDAL -> Raster Extraction -> Contour). … At the boundaries of my tiles, there is a slight overlap which leaves a "ladder" effect:
If I had to guess, these are artifacts resulting from GDAL hitting the edge of the GeoTIFF while processing a contour …
- 141
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Accepted
QGIS conversion of USGS GeoTIFF to contours leaves strange artifacts at border of tiles?
Note that the tiles are normalized and appear cohesive:
Back in the Processing Toolbox, select GDAL -> Raster Extraction -> Contour:
Select your merged layer, adjust the settings as required, and press …
- 141