5 votes

Using Georeferencer in QGIS

It is because of this: I have chosen in the transformation setting the Thin Plate Spline https://mathworld.wolfram.com/ThinPlateSpline.html Given a set of data points, a weighted combination of ...
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  • 52.3k
2 votes

Georeferencing set of historical maps to each other then georeferencing set to current map using ArcGIS Pro

I would suggest doing it the other way around. If you're going to align them to each other then pick the best one and georeference that first, then georeference the rest to that.
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  • 4,518
2 votes

Does LiDAR tend to georeference better than photogrammetry?

No, the technical differences between Lidar or photogrammetrically-sourced point clouds have no influence on the final accuracy of datasets. Either can be off or "perfect" depending on the ...
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  • 8,341
1 vote

Problem generating GeoTIFF from JPEG using GQIS Georeferencer tool

Alright, so I've finally successfully generated a nice looking GeoTIFF file. I discovered a slightly different tutorial outlining more-or-less the same QGIS process but with a little more detail ...
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  • 131
1 vote
Accepted

Does GDAL 3.x/PROJ 7.x do some kind of bounds checking when doing a gdalwarp operation?

Yes, indeed since GDAL 3.0 the way of selecting the transformation to perform between the origin and destination spatial reference systems has changed. These changes include searching for available ...
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1 vote
Accepted

Georeference a map with lambert conical orthomorphic projection

A cursory check of the EPSG site didn't turn up the projection shown on the map. You'll probably need to create a custom projection. All the information you need is there:
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  • 409

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