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Le 26/07/2015 18:30, Cousin Ricky a écrit :
> On 07/25/2015 10:25 AM, Cousin Ricky wrote:
>> The following paraboloid renders correctly:
>>
>> [snip]
>>
>> the object disappears completely in POV-Ray 3.7 and 3.7.1. In
>> POV-Ray 3.6.1, it renders as expected.
>>
>> POV-Ray 3.7.0.unofficial POV-Ray 3.7.1-alpha.8150025.unofficial
>> openSUSE 13.2 GNU/Linux
>
Confirmed on Ubuntu 15.04 too.
3.6.1 needed a fix on png_pov.cpp (to comment png_write_finish_row
declaration and call, as it was internal to libpng 1.0 and no more
present in current 1.2) to compile now.
The stable and master version of Povray 3.7 are impacted (as well as
my own derivatives)
For 3.7
Box 1553561 1553561 100.00
Cone/Cylinder 1767346 180868 10.23
CSG Intersection 1767346 79691 4.51
Plane 1553561 520176 33.48
Quadric 1767346 515067 29.14
Bounding Box 3107122 1553561 50.00
For 3.6.1
Box 1382184 1382184 100.00
Cone/Cylinder 683555 371945 54.41
CSG Intersection 683555 195292 28.57
Plane 1382184 442620 32.02
Quadric 683555 499054 73.01
Bounding Box 1878629 1856588 98.83
Light Buffer 3357640 2222801 66.20
Vista Buffer 2937947 2424601 82.53
Interesting 3.7 : if the cylinder is { -y/2, y, 1 }, the render is fine.
(it works also with -y*0.999 !)
Box 1472708 1472708 100.00
Cone/Cylinder 3157892 400035 12.67
CSG Intersection 3157892 211950 6.71
Plane 1472708 470874 31.97
Quadric 3157892 1059059 33.54
Bounding Box 1472708 1472708 100.00
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