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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 38%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPD%3C/text%3E%3C/svg%3E)
I want to convert a .stl file to a .jpg file, and the .stl file has a face with numbers and letters. I want to find the face through code and convert it to an image.
It would be best to use C++ or C#.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 11%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHL%3C/text%3E%3C/svg%3E)
Hi,@Pearl Ding. Welcome to Microsoft Q&A.
You could try to use an image processing library and an STL file parsing library.
step:
Use the STL file parsing library to read the triangle face information in the .stl file. Commonly used parsing libraries include PCL (Point Cloud Library), VTK (Visualization Toolkit), etc.
Use an image processing library, such as OpenCV, to convert the read triangle surface information into the corresponding image. According to the graphic characteristics of the surface, different image feature extraction algorithms can be selected, such as edge detection, color histogram, etc.
Save the resulting image as a .jpg file.
Notes:
