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Transformation from EPSG3857 to StatePlane
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Topic: Transformation from EPSG3857 to StatePlane (Read 5847 times)
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ronjonp
Needs a day job
Posts: 7529
Transformation from EPSG3857 to StatePlane
«
on:
June 24, 2019, 10:41:30 AM »
Full disclosure: I know just enough about C3D to be dangerous
This may be a easy question to answer ( or not ) but if I have a geo-referenced aerial in EPSG3857, how can I bring this information into C3D transformed into a State Plane say ( NSRS11.NV-EF). I've done some Googl'in but haven't found anything I can wrap my head around.
Thanks,
«
Last Edit: June 24, 2019, 10:44:51 AM by ronjonp
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Windows 11 x64 - AutoCAD /C3D 2023
Custom Build PC
ronjonp
Needs a day job
Posts: 7529
Re: Transformation from EPSG3857 to StatePlane
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Reply #1 on:
June 24, 2019, 11:48:06 AM »
Nevermind .. I ended up opening the exported image into QGIS, changing to desired state plane then exporting a new geo-referenced image. If anyone has a 'smarter' way to do this please let me know
.
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Windows 11 x64 - AutoCAD /C3D 2023
Custom Build PC
steve.carson
Newt
Posts: 108
Re: Transformation from EPSG3857 to StatePlane
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Reply #2 on:
June 24, 2019, 12:07:40 PM »
I
think
you can use a Map Query on a georeferenced image. If not you could always put a rectangle around the image and Map query that. If the resultant rectangle has a skew to it, you may need to use Raster Design to skew it.
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jvillarreal
Bull Frog
Posts: 332
Re: Transformation from EPSG3857 to StatePlane
«
Reply #3 on:
June 24, 2019, 12:35:00 PM »
You could also create a custom coordinate system using the "Planning and Analysis" workspace.
Map Setup tab > Coordinate System > Create
It would allow you to automatically reproject map data to/from standard geographic coordinate systems.
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ronjonp
Needs a day job
Posts: 7529
Re: Transformation from EPSG3857 to StatePlane
«
Reply #4 on:
June 24, 2019, 12:54:36 PM »
Thanks guys .. I'll give it a go!
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Windows 11 x64 - AutoCAD /C3D 2023
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Transformation from EPSG3857 to StatePlane