The height of the extruded shape is again based on the pixel luminosity. In Extrude mode our JPG tool behaves in a similar way to Standard mode except the tool attempts to find simple shapes in your image and it performs an Extrude operation on any shape found. This mode is ideal for the conversion of detailed heightmap images into 3D OBJ models. When this option is selected a white pixel will have a height of 0mm and a black pixel will have the height you have specified. The tool has a Invert Output option if you wish to reverse the model height calculations in your Wavefront OBJ file. ![]() ![]() A black pixel in your JPG will have a height of 0mm and not be included in the final 3D generated model, however a white pixel will have a height that you specify once your image is uploaded. In Standard mode our tool examines your 2D JPG image and based on the luminosity of each pixel, will create a corresponding "3D" pixel where the height of the pixel is determined by the pixel luminosity.
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