Hello,

I'm trying to convert to POVray 3.5 an Ant model made Micha Riser for 
MegaPOV 0.5 (found http://objects.povworld.org/).


When I trace the example file, I got the following error

Parsing.....................File: ant.inc  Line: 122
sphere_sweep{
	catmull_rom_spline_sphere_sweep
<----ERROR


Parse Error: Invalid type of interpolation.


and the corresponding source file is :

union{

sphere_sweep{
	
		catmull_rom_spline_sphere_sweep
		#declare rscale=0.4;
		6
		0,0.275*rscale
		0,0.25*rscale
		<-.2,0,1>,.22*rscale
		<-.3,0.15,2.8>,.3*rscale
		<0,0.3,4.8>,.35*rscale
		<0,0.3,4.8>,.35*rscale
				
		rotate y*90
		rotate z*90
...

There is another 'sphere_sweep' later :

sphere_sweep{
	linear_sphere_sweep
	21
	0,0.25

	#while(ss_anz<10)
...

and pov complain about linear_sphere_sweep.

So my question is obvious : how can I convert these bit of code to 
something understandable by POVRay ?

Thanks & regards,

Laurent

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