[GRASS5] 3D boundaries in GRASS 5.7

[Radim Blazek]

This reguires 3D topology which is not supported. You can 
import it as 'faces' ('F', closed polygons), but only few modules
supports faces. The faces are currently useful
only for visualisation in NVIZ.

Radim

On Sunday 24 October 2004 14:56, Jachym Cepicky wrote:
> Hallo,
>
> I'm trying to import some ascii file, which contains 2 squares. The squares
> are looking like this:
>
>     (the numbers are x,y,z coordinates)
>
>   133 +-----+ 233
>
>
>   122 +-----+ 222
>
>
>   111 +-----+ 211
>
>   sideways:
>
>              /
>             /
>
> This is no problem, but when I try to get the upper square to  vertical
> position, so:
>
>   123 +-----+ 223
>
>
>   122 +-----+ 222
>
>
>   111 +-----+ 211
>
>   sideways:
>
>
>         /
>
> and enven when I try to get to be inclined to the other site:
>
>   113 +-----+ 213
>
>
>   122 +-----+ 222
>
>
>   111 +-----+ 211
>
>   sideways:
>
>         \
>         /
>
> v.in.ascii does not import them correctly (Number of incorrect boundaries  
> :   7)
>
> This problem is _only_ by boundaries, lines are working without problem.
>
> I'm sending the ascii file, ready to be imported via v.in.ascii. Just set
> your region to n=10 e=10 s=-10 w=-10
>
> Is there  some way, how to create vertical boundaries or boundaries, which
> are "one under the other"?
>
> Thanks
>
> Jáchym