Setting coordinate system via markers

[josephlewis]

Hi,

I'm wondering if it's possible to set the coordinate system of a model from makers.

I've created a model of an object using Structure from Motion, and I'd like to georeference it, so I can put it on a map for context.

However, the cameras did not record the locations. so the coordinate system is local, and is not within a global coordinate system.

Therefore, what I want to do is use markers to georeference the whole model into a global coordinate system.

Is this possible? and if so, how do I do it?

Thanks!

[Thibaud Capra]

Yes you can georeference your model using GCPs. Basically, if you have the coordinates of a few points in your model (3 is the very minimum but I'd recommend having more) you can create a transformation matrix to move it to a georeferenced system.

[josephlewis]

Thanks for replying.

I've set up 4 marker coordinates that I know the location of. Where can I create the transformation matrix to move it to a georeferenced system? Will this then create the x/y coordinates for each point, so I can then import it into different software? (ArcGIS, specifically).