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Hi， guys I now have a STEP format file with a tree structure. I want to save each file as an obj file, instead of exporting the entire part file as an obj file. Do you have any ideas? Thank you，JSlyadne， Quaoar ， natalia

As shown in the picture, how can I find the center of the upper and lower holes, and then find the axis formed by connecting the upper and lower centers? thank all

I have passed the brepadaptor_ The surface instance gets GP_ Cylinder type cylindrical surface, how to calculate the area of the cylindrical surface? (of course I've got the radius of the cylinder)

I tried to use the following code to get the AIS_Shape out But the judgment method confuses me, the return result is not a AIS_Shape Is there any good solution for this situation? thank you //------------------------------------------ Handle(AIS_Shape) anAIS_Shape =...

Hello everyone, I have a question for you In the case where I can display all the shapes of the parts How to get the shape selected by the mouse By QT thanks

Hello everyone, I now have a question about 3D annotation, I really hope you can give me some advice. First, I import a step file. After I find the radius of a circle on the part, I want to display the value of the radius, which is the meaning of 3D annotation. The specific effect is as...

Hello, Quaoar and other friends I have a problem in my work now I'm new to opencascade. I haven't been here for long I watched your video on YouTube about exporting step files. It was great However, when selecting faces and sub components to draw colors, this operation is completed under the...