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GCP coordinate system for processing  

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GISJoel
(@gisjoel)
100+ posts Member
Joined: 3 years ago
Posts: 111
January 2, 2019 2:59 pm  

thanks Andrew,

When we get back to work, I'll load the PRJ into the ESRI suite.  With 9002 as the EPSG code, and lacking a DATUM tag, ESRI won't kick it out, but throw the file into "custom", which will force the end user to define projection.  This is getting pretty darn common in SfM software - putting the ONUS of metadata on the end user.  Not my cup of tea, but this will make for a good story next month.  Thanks.

 

joel


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mkennedy
(@mkennedy)
250+ posts Member
Joined: 6 years ago
Posts: 478
January 7, 2019 12:08 pm  

Joel, 

Esri software is going to fail that prj string because we don't support LOCAL_CS nor LOCAL_DATUM.

Melita

Melita Kennedy
Coordinate reference system and transformation specialist at Esri


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gtoolan
(@gtoolan)
FNG Member
Joined: 2 weeks ago
Posts: 1
January 10, 2019 6:48 am  

Hi Lee,

Have you encountered any issues with manually entering the geoid seperation? I have a large project that was flown with an eBee RTK utilizing a base station, and I'm having issues with the vertical conversion in Pix4D.

Thanks,

Greg


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leegreen
(@leegreen)
1,000+ posts Member
Joined: 7 years ago
Posts: 1568
January 10, 2019 6:54 am  
Posted by: gtoolan

Hi Lee,

Have you encountered any issues with manually entering the geoid seperation? I have a large project that was flown with an eBee RTK utilizing a base station, and I'm having issues with the vertical conversion in Pix4D.

Thanks,

Greg

Be sure to enter the correct units and direction when you apply the manual GEIOD correction.

Input Coordinates enter is Meters and positive GEOID.

Out Coordinates enter USft and positive GEOID.

~LeeGreen.com
Licensed Surveyor in NY
sUAS Remote Pilot


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