[futurebasic] Re: [FB] OpenGL

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From: Robert Purves <robert.purves@...>
Date: Tue, 23 Jan 2007 14:37:42 +1300
Alain Wrobel wrote:

> I am using an OpenGl 3D scatter plot with a great number of points  
> (US counties for example), is it possible in FB (v 4.2)
> 1) to know the "identification" (name of the county) of the point  
> under the mouse cursor ?
> 2) to show the position of a given point in the plot (eg. I want to  
> mark Hancock county in the plot with a color inversion or the  
> flashing of the corresponding point)

I don't know of any FB code for picking, but you can read about the  
two main approaches here:
<http://www.lighthouse3d.com/opengl/picking/>

Robert P.