Revit 2021 Material Transform

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I recently had the opportunity to create a materials library for a large manufacturer of wooden boards. I used Revit 2018 but also tested the below in Revit 2021 and getting the same result. While setting the library up I came across a strange phenomenon where the image did not stretch across the width of the material when a vertically aligned image is rotated and stretched.

Below is a summary of the results:

Autodesk, Micrographics, Revit 2021, Material Transforms

I investigated how Revit interacts with the images that define the materials.

In the first row, a square image is used which has the grain of the wood orientated vertically. The Image behaves as expected in all the modes of display (none, tiled, and vertical).

In the second row, a square image is used with the grain once again oriented vertically. Revit was used to transform the appearance asset through 90⁰. Now the image behaves correctly until it is stretched horizontally. This is the one that fails:

Autodesk, Micrographics, Revit 2021, Material Transforms

In the third row, the image is used as the grain running horizontally. Revit is not used to transform the appearance asset (instead the source image is copied and rotated externally to Revit). The stretch of the image works now.

In conclusion, it is better to rotate the source image than to use the Revit transform if it is required to rotate the stretch of the material across the horizontal. The only way in which the marked item was able to display properly is when the source image was stretched external to Revit.

If you need help adopting Revit and BIM in your practice, please give Micrographics a call so we may be of assistance.

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