1
vote
0answers
43 views

How does Arbitrary Coordinate System in QGIS work?

I have got the drill hole data, which needs to be geo-referenced based on non-earth coordinates system (with no datum, ellipsoid information defining through Custom CRS). Could any one explained me ...
2
votes
1answer
118 views

Batch tool to identify coordinate system in dwg files

I am trying to ingest 1000's of DWG files into ArcGis. Some of them are clearly georeferenced (that is, if I view them in ArcMap I can see that there are in the right place relative to my other GIS ...
1
vote
0answers
121 views

How to define coordinate system and geographic transformation for a CAD drawing?

I am a GIS guy and I occasionally work with CAD files as well. Now I need to know how I can define a coordinate system and a geographic transformation for a CAD Drawing. According to ESRI: "You can ...
1
vote
1answer
74 views

Why would a map lost the coordinate system when I use it in ArcGis?

I have a file in AutoCad with ETRS89 coordinates, and when I use the same map in ArcGIS it loses coordinates. With other files do not happen.