[GRASS5] i.ortho.photo: suggestion to change menu structure slightly

[Markus Neteler]

Hi developers,

from my experience with i.ortho.photo I suggest
following small change in menu structure:

We have:
------------------------------------------------
i.ortho.photo --        Imagery Group = all 

Initialization Options:

   1.     Select/Modify imagery group
   2.     Select/Modify imagery group target
   3.     Select/Modify target elevation model
   4.     Select/Modify imagery group camera

Transformation Parameter Computations:

   5.     Compute image-to-photo transformation
   6.     Compute ortho-rectification parameters
   7.     Initialize exposure station parameters

Ortho-rectification Option:

   8.     Ortho-rectify imagery files

RETURN   exit
------------------------------------------------


I prefer:
------------------------------------------------
i.ortho.photo --        Imagery Group = all 

Initialization Options:

   1.     Select/Modify imagery group
   2.     Select/Modify imagery group target
   3.     Select/Modify target elevation model
   4.     Select/Modify imagery group camera

Transformation Parameter Computations:

   5.     Compute image-to-photo transformation
   6.     Initialize exposure station parameters
   7.     Compute ortho-rectification parameters

Ortho-rectification Option:

   8.     Ortho-rectify imagery files

RETURN   exit
------------------------------------------------

-> note that order of (6) and (7) are reversed.

Advantages:

 - you will not get a warning that "exposure station parameters"
   are not set, if you first set "exposure station parameters"

 - you do not get a "Matrix inversion error" from
   i.ortho.photo/libes/orthoref.c: 
       error ("Matrix Inversion (Control Points status modified)");
   (my today's trap)

Disadvantages:
 - I have to adjust the man page :-)
 - nothing else known

Please send your comments, otherwise I may update
i.ortho.photo/menu/menu.c
the next days in CVS. This change is not very severe,
but I want to ask for agreement.

Best wishes

 Markus Neteler


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