Hi, I want to ask
- How I can define material, for example (N-BK7) to the imported CAD.
- Can I assign different material to different surface?
Solved
Defining Material for CAD object
Best answer by David.Nguyen
Hi Christabelle,
I’m not sure I understand your first question. You shall be able to type “N-BK7” in the Material column (the cell highlighted in your screenshot).
A surface doesn’t have a volume, therefore it doesn’t have a material associated with it. Some Objects, such as the Rectangle object, also describe a surface (in this case a rectangle surface) but if you try to type something in the Material column it disappears right away. However, you can change the coating and scattering properties of surface s in an object. To do that, double-click on the object of interest (this opens the object properties) and navigate to the Coat/Scatter tab.
The above is a screenshot from the Rectangular Volume object. For each surface, you can choose a Scattering model or define a coating, which can be one of the IDEAL coatings that for example mimic a perfect mirror.
Have a look at this article:
I hope this helps.
Take care,
David
+2Hi Christabelle,
I’m not sure I understand your first question. You shall be able to type “N-BK7” in the Material column (the cell highlighted in your screenshot).
A surface doesn’t have a volume, therefore it doesn’t have a material associated with it. Some Objects, such as the Rectangle object, also describe a surface (in this case a rectangle surface) but if you try to type something in the Material column it disappears right away. However, you can change the coating and scattering properties of surface s in an object. To do that, double-click on the object of interest (this opens the object properties) and navigate to the Coat/Scatter tab.
The above is a screenshot from the Rectangular Volume object. For each surface, you can choose a Scattering model or define a coating, which can be one of the IDEAL coatings that for example mimic a perfect mirror.
Have a look at this article:
I hope this helps.
Take care,
David
1 person likes this
Hi David
Does this mean that the “MATERIAL” column of a NSC CAD object has no purpose ?
+2
Apologies for the confusion.
The MATERIAL column of a NSC CAD object has definitely a purpose. As long as the object describes a volume (in the mathematical sense).
My answer was intended to answer the question: Can I assign different material to different surface?
Bottom line is that if an object is a surface (in the mathematical sense, not the OpticStudio surfaces), then indeed the MATERIAL column is not useful because a surface is infinitely thin and doesn’t have a need for a material. If you have an object that is a solid cube, then the MATERIAL column should be used to define its material.
Does that make sense?
Take care,
David
1 person likes this
Thanks it seems clearer, but I’ve follow up questions regarding volumes then, I’ll open a dedicated thread
1 person likes this
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