Re: [PyOpenGL-Users] Need help about Picking

[Ian M. <geo...@gm...>]

On Mon, May 31, 2010 at 9:10 AM, Marco Avellino <
mar...@ex...> wrote:

>  Hi,
>
> when I use "print hits” I read the value 0.50000000016 for both min_depth, max_depth.
>
>
>
> For example, when I call “print min_depth, max_depth, names” l’output is:
>
> 0.50000000016 0.50000000016 [object_X’s name]
>
> 0.50000000016 0.50000000016 [object_Y’s name]
>
> …
>
>
>
> If I use GLdouble(min_depth or max_depth), I read 0.5000000001641532
>
>
>
> I read always 0.50000000016 except when I draw objects very near. At that moment I read values like 0.49…, 0.48, …. etc. and min_depth != max_depth
>
> It seems that Selection works only in range [0.2,0.5] where 0.2 is forced
> by gluPerspective(45, 1.0*width/height, *0.2*, 2.0)
>
>
>
> If you want I can send you my code but I will do it only if you are agree.
>
Yes, that might be helpful.  I'll fuss with it, and see what I can do.
Ian

>
>
> PS.
>
> Sorry if I write you no at sourceforge.net. It seems that I am not able to
> create a new account
>