The Persistence of Vision Raytracer (POV-Ray).

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Attached to Project: POV-Ray
Opened by Christoph Lipka - 2010-03-28
Last edited by Christoph Lipka - 2010-06-19

FS#90 - POV-Ray accepts additional patterns after "slope"

The following code is erroneously accepted by POV-Ray (tested with 3.7.0.beta.36):

  slope { x }

The result is a checker pattern.

Apparently there is an EXIT statement missing in the slope-pattern parsing code in parstxtr.cpp.

Closed by  Christoph Lipka
Saturday, 19 June 2010, 12:25 GMT
Reason for closing:  Fixed
Additional comments about closing:  

No beta tester feedback on this for quite a while, so I consider that good news.

Christoph Lipka commented on Sunday, 28 March 2010, 16:50 GMT

POV-Ray also erroneously accepts an additional pattern body after pigment pattern, or any pattern preceded with "uv_mapping"; e.g., the following code snippets are also accepted by POV-Ray:

pigment {
  pigment_pattern { gradient x }
pigment {
  uv_mapping gradient x

Underlying error cause is more missing EXIT statements.

Christoph Lipka commented on Monday, 29 March 2010, 01:48 GMT

fixed with change #4935


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