IRC log for #brlcad on 20150416

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01:03.23 Notify 03BRL-CAD:starseeker * 64671 (svn:ignore ## -0,0 +1,2 ## and 2 others): Set up a branch for experimental work with Embree
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01:45.43 maths22_ Only semaphore is failing now!
01:45.45 maths22_ http://brlcad.org/CDash/viewTest.php?onlyfailed&buildid=58
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15:44.16 maths22 SortSor3333sfd
15:50.46 Notify 03BRL-CAD:starseeker * 64672 brlcad/branches/embree/CMakeLists.txt: Add a basic find module for Embree.
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18:20.01 dracarys983 brlcad, I had a look at SAT format specification. I found that the "plane-surface" save identifier encodes the normal information and it is an optional data element and can be skipped if not calculated.
18:20.49 dracarys983 I rendered the resulting SAT file and it was the same as the one with the normals encoded. :D
18:21.39 dracarys983 brlcad, As you said, OBJ already has an ON/OFF thing implemented. STL doesn't need normal to be mentioned and can be set to 0 if not calculated, so that's done as well.
18:23.05 dracarys983 DXF doesn't have support, so error will be thrown. If I ever come across any mechanism that would allow explicit normals in DXF, adding the option would the first thing on my task list. :)
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20:16.19 dracarys983 brlcad, I wasn't clear in my wording before. I meant the normals are optional in "plane-surface" identifier, so they can be skipped :)
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