Look and Feel of REVOLVEs

Home Forums Problems and solutions in GDL 3D modelling Look and Feel of REVOLVEs

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    • #4493
      Joachim Sühlo
      Participant

      I always have the problem, that REVOLVEs have shadows in open GL that are looking strange and wrong.
      See attached images with REVOLVE, REVOLV{2} and TUBE.
      TUBE always looks better.
      Or is there a trick to get REVOLVING looking correct?
      REVOLVE images

      GDL Object Developer
      b-prisma
      MAC OSx 10.12

    • #4496
      Barry Kelly
      Participant

      Is it a case of aligning the material with the COOR command after the REVOLVE?

      Barry.

      Versions 6.5 to 22
      Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
      Dell Precision M6800 - i7 4700MQ @ 2.40GHz, 16GB RAM, AMD FirePro M6100 (2GB), Windows 7 64bit

    • #4497
      Péter Baksa
      Keymaster

      Hi,

      REVOLVE was designed to work with curved profiles, use status code 2 on sharp edges,

      roty -90
      material mat
      revolve{2} 10, 0, 360, 4+8, mat,
      		0,	1,	2,	mat,	! sharp edge
      		0,	2,	1,	mat,	! smooth edge, contour not shown
      		0.02,	2.05,	1,	mat,
      		0.05,	2.08,	1,	mat,
      		0.1,	2.1,	0,	mat,	! smooth edge, contour shown
      		0.9,	2.1,	0,	mat,
      		0.95,	2.08,	1,	mat,
      		0.98,	2.05,	1,	mat,
      		1,	2,	1,	mat,
      		1,	1,	2,	mat
      
      del 1

      This means you can’t have a sharp edge without a contour.

      Péter Baksa
      Library Platform, Software Engineer
      GRAPHISOFT SE

    • #4498
      Joachim Sühlo
      Participant

      Tank You Péter, perfect !

      GDL Object Developer
      b-prisma
      MAC OSx 10.12

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