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Author Topic: Z axis reversed  (Read 3590 times)

champion

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Z axis reversed
« on: April 27, 2015, 10:27:45 AM »
Dear all,

I had loaded a set of images with GCPs added, and I found that the camera locations were corrected but the Z axis is points downward. I had double checked the GCPs was inputed correctly. Is it possible to reverse the z axis manually? Thanks!

Alexey Pasumansky

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Re: Z axis reversed
« Reply #1 on: April 27, 2015, 10:37:17 AM »
Hello champlion,

Could you please post a screenshot of the model view and Reference pane (source values)?

The most likely reason of inverted Z is mixed order of X and Y columns.
Best regards,
Alexey Pasumansky,
Agisoft LLC

champion

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Re: Z axis reversed
« Reply #2 on: April 28, 2015, 03:01:00 AM »
please find attached screenshot for my project.

JMR

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Re: Z axis reversed
« Reply #3 on: April 28, 2015, 09:29:05 AM »
This is a very badly distributed set of ground control points. besides, might it be you have swaped x and y? check if your gcp coordinates are Easting-Northing (X first) or the opposite Northing-Easting (Y first)
I respectfully would recommend you to let a surveyor/photogrammetrist to do this jobs. Do not fly over people or vehicles unless it becomes absolutely necessary, civil drones can kill too!
Regards
GEOBIT