[GRASS-user] ORTHORECTIFICATION - only two questions

[Cverckova, Lubica]

Hello,

 

I have been successful doing the orthorectification of the aerial
photos, however, have couple questions. The first one is related to
camera information.

 

I put the following info for the camera (#4 in i.ortho.photo):

 

Camera Name: WildRC20

Camera Identification: WildRC20 

Calibrated Focal Length: 152.825mm

Point of Symmetry X-coor mm: 0

Point of Symmetry Y-coor mm: 0

Maximum number of fiducial marks: 8

 

I believe it is all correct but it keeps telling me that I am missing
'header information'.

 

The second question is related to #7 - compute ortho-rectification
parameters (Ground control points). Here I want to choose roads (in
vector format) as the means for choosing the ground control points but
once I click on 'plot cells' the only layers it gives me are the raster
layers. Is there any way to bring the vector layer to choose my GCPs?

 

I appreciate your response. Thanks.

 

Lubica

 

 

 


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