4 votes

Polygons no longer completely overlap after reprojection

As user30184 pointed out, this behavior is due to the fact that only the vertices were transformed. A straight line was then drawn between the transformed vertices when in reality the line should not ...
Caseyy's user avatar
  • 89
3 votes
Accepted

QGIS: Importing Data points from the same CSV-file puts them into different locations

See at the bottom for a workflow how to load the points correctly, correcting "wrong" coordinate values and using a virtual layer. The problem: older "false easting" values The ...
Babel's user avatar
  • 61.2k
3 votes

How to make the longitude decrease from south to north in QGIS

Try a engineering projection. I posted an answer to a question about custom-crs-for-artwork. Which is a similar problem, different specifics. Maybe a projection like the following would do for your ...
Gault Drakkor's user avatar
3 votes

Availability of www.opengis.net CRS database

You can get a copy of the EPSG database from EPSG.org You'll need to register, but then it's a simple download. Multiple variants are offered
nmtoken's user avatar
  • 13.1k
1 vote

Unable to edit SRID in PostgreSQL pgAdmin

The CRS of your data is stored as a typemod of the column, postGIS keeps track of this value in the geometry_columns view which as you have discovered you can't edit (changing this would confuse ...
Ian Turton's user avatar
  • 79.1k
1 vote

What map projection is this ? is it Dymaxion map (Fuller)?

Looks like a Peirce quincuncial projection. See Wikipedia Peirce quincuncial projection for details
nmtoken's user avatar
  • 13.1k
1 vote
Accepted

How to know which coordinate value is Lat/Lon resp. x/y?

You can use the QgsCoordinateReferenceSystem.hasAxisInverted() method to check against the standard case (which seems to be "east, north", i.e. "x, y"). Examples with a fairly ...
bugmenot123's user avatar
  • 10.4k

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