[GRASS-dev] wxNviz issue: no visual output

[Markus Neteler]

On Thu, Aug 20, 2015 at 2:08 PM, Anna Petrášová <kratochanna at gmail.com> wrote:
> On Thu, Aug 20, 2015 at 7:11 AM, Markus Neteler <neteler at osgeo.org> wrote:
...
>> - show map in wxGUI: ok
>> - 3D view: white
>>
>> No error message. I tried to adjust the view parameters but no way...
>>
>
> I assume you wanted to display the dem with the flowacc draped over it?

Yes.

> In this case you have to switch off the flowacc layer because it's not a
> surface - you set it as color of the dem surface.

ah, right.
I guess I'll never learn that ;-)

> If you leave flowacc there, it tries to display it as a surface, but flowacc
> has crazy high values and the display can't really show it. If you tweak
> vertical ex. and height long enough you can eventually display it.

OK - in this case, could wxNVIZ print a message that "xyz map has a
too large value range to be displayed as surface"
?
Then I would rather immediately realize that I loaded the wrong map.

Markus