Some observations of issues with FLTK backend

[Kai Habel]

Michael Goffioul schrieb:
> [cut]
>> * patches with facecolor of none don't render in color but rather BW and
>> so contour3 and contour don't work
>>     
>
> The patch object still misses some behavioral code
> (to compute normals, to compute XYZ from Face/Vertex
> and vice versa...). Some time ago, Kai sent me a changeset
> with initial implementation. I sent some comments back,
> but didn't any reaction so far. Maybe I should commit the
> changeset as-is...
>
>   
Hello,

sorry for my silence about that (this has nothing to do with your 
remarks Michael). I am very busy now, my doughter was born recently and 
in addtion I have to move. So, I won't be able to work on this for the 
next time. But maybe in a few weeks when everything has settled, I can 
start commiting again.

Kai