I have assigned "oriented materials" (e.g. wood surface) to elements in my design (e.g. bookshelves).
When using Display Style: Illustration > Ignore Lighting, I get this image:
(the wood on the bookshelves is attached as a Material Projection, and the projection is rotated)
When I render the scene from above, I get this image:
The wood is "rotated" by 90 degrees.
Therefore, when attaching the materials (and working with Display Style: Illustration > Ignore Lighting) and knowing I attach a Material Projection where I will rotate the material, I have to rotate it by 90 degree to what I intend to...
Below is the same scene, but with material rotated... (Illustration view on the left, Render on the right):
Is this issue known? Is it a bug?
MicroStation 08.11.09.357, Windows 7 Professional 64-bit English Service Pack 1
Jan
Hi,
That looks like a bug to me. Can you send me your file so I can investigate it.
You should be able to do that mapping without using a projection. It looks to me like parametric should work for you with an appropriate rotation angle.
Regards
Paul Chater
Hi Paul,
thanks for the quick reply. I will send you the DGN plus the DGNLIB (has the materials definition) plus the JPG for the material in question later this afternoon (Europe time).
As for attaching it without a projection: once you have the DGN, you will see that when attaching a material "with oriented surface" (e.g. wood) to some elements, that orientation aligns with the global XY axis. The project I am working on and where I discovered this behaviour is not aligned to the global XY axis (I am using 3 ACS systems), therefore I use Material Projection and Rotation (yes, I could put a rotation angle for the material in question, but since I have 3 ACS systems, I would need 3 different rotation angles and therefore 3 variations of that material...).
Anyway, that´s degressing from the initial issue. I will send you the files within a few hours.
Regards,
So, here's an update of what Paul from Bentley came up with.
Apparently, it's a bug, but it only manifests itself when using a material that has a rotation specified (e.g. NOT 0 degree).
A simple rule follows from this:
when using Material Projection, use a material that has 0 degree rotation.
Thanks, Paul, for clarifying this issue!
Answer Verified By: Jan Dvorak
this has been a 'bug' forever, at least in respect to Bentley Architecture elements (walls, forms, Triforma elements etc..) . I always build 2 materials with 90deg orientations because this ALWAYS comes up. Building a material that has all rotations at "0" doesn't always work if you have multiple pattern files or the bump image happens to be 90deg rotation to the pattern map.