[GRASS-dev] running v.surf.rst from GUI

[Maris Nartiss]

Hello Michael and others,
IMHO -z is the right way to go. It would be nice to open ticket for
such change and list affected modules to remember this idea.
My proposal: add -z == layer=0 to 6.x and replace layer=0 with -z in 7.x

Maris.

2009/3/8, Michael Barton <michael.barton at asu.edu>:
>
>
> One issue that has already come up in another module (v.surf.bspline)
> is using layer=0 to select the z values for interpolation. This is a
> shortcut that is not really correct. Vector layers must be in the
> range of 1-n. There is no layer 0. This is a problem for the
> autogenerated GUI dialogs. All layer arguments must be treated the
> same way. In most cases, layer=0 is meaningless and generates an
> error. However, in a few modules, layer=0 is a shortcut for using the
> z value for interpolation. We cannot have it both ways in an
> autogenerated GUI.
>
> My suggestion is to add a -z flag to indicate that the z-coordinates
> will be used. This would override any other data used for z-
> coordinate. Then layer arguments could remain at 1-n for all modules.
>
> Michael
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