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Generate synthetic test images of resistors
A tool to generate synthetic images of resistors. Depending on how cruel you are, you may find this useful for creating student...
10 days ago | 2 downloads |

finding longest length
The written description doesn't really describe what the example describes. The example returns the last true element from only...
12 days ago | 0
How to adjust the color bar in an image histogram?
If we are to answer the question directly: % you have an RGB image inpict = imread('peppers.png'); % imhist() cannot plot a...
15 days ago | 0
how to represent the purple color by a string value
See also: https://www.mathworks.com/matlabcentral/fileexchange/48155-convert-between-rgb-and-color-names https://www.tutorialr...
17 days ago | 0
slicing 3D stl file to 2D series of image
If the goal is to produce raster images as output, and your slices are uniformly-distributed, then I suppose that one way would ...
18 days ago | 0
Create triangular mesh
In order to fill the hole, you need three vertices and you need them in the correct direction. Your edge segments aren't in a c...
18 days ago | 0
How to trim the non-manifold triangle off the stl file?
I'd agree with Bruno on this. Especially if it's just a small fix on a single file, it's easier and quicker to just throw it in...
18 days ago | 0
How to export 3D sphere at stl format
If you have gridded xyz data which you can feed to surf(), you can use surf2stl(). https://www.mathworks.com/matlabcentral/file...
18 days ago | 0
Constrain a Delaunay Triangulations With a Surface?
The documentation for delaunayTriangulation() indicates that constrained triangulation is only supported for 2D inputs. If the ...
18 days ago | 0
colored elevation map from STL file
A simple example unzip pringle_top.stl.zip T = stlread('pringle_top.stl'); trisurf(T); shading flat; view(10,33) axis equ...
18 days ago | 0
Can I get an .stl from a spreadsheet?
Surf2stl() expects gridded data unambiguously defining a surface. All you have is a list of scattered points. The way the data...
18 days ago | 0
How can i plot this pic by matlab ??
It looks like an upside-down representation of HSV with some random unknown extra line. I'm going to ignore it, since it looks ...
20 days ago | 0
Generating voxels for stl files
See also: https://www.mathworks.com/matlabcentral/answers/217754-stl-to-matlab-coordinates-conversion
21 days ago | 0
Cross sections of 3D surface (stl)
See also: https://www.mathworks.com/matlabcentral/answers/2175386-surface-area-at-given-hight-of-an-stl-file
21 days ago | 0
Extract information from .stl file
For example: unzip sphere_20.stl.zip % a sphere with a radius of 15 T = stlread('sphere_20.stl'); % get the bounding box...
21 days ago | 0
3d Model view
Since this was already in Meshlab, Filters Menu -> Normals Curvatures and Orientation ->Reorient all faces coherently. If you h...
21 days ago | 0
why my 3D image is not extruded in 3D software?
The object height is clearly unit-scale. It's never changed. c = im2double(bw); % it's unit-scale. d = imgaussfilt3(c,4); %...
21 days ago | 0
how to use stlwrite function options
This obviously refers to FEX #20922. Assuming that the data is gridded, such as could be given to surf(), then: [x y z] = sphe...
21 days ago | 0
What we need to be doing is ignore subtraction of slopes of A.stl, which are too steep...
If I'm gonna guess, I might as well invest in it. unzip saddles.zip % these two files have directly correlated vertex lists ...
21 days ago | 0
Determine the maximum height and maximum width of the cross-sectional section from the stl file
Obtain the sectional geometry: https://www.mathworks.com/matlabcentral/answers/2175386-surface-area-at-given-hight-of-an-stl-fi...
21 days ago | 0
converting a .stl file of 3D polyhedron into a .mat file
If the goal is to convert the object into a volumetric image, then: https://www.mathworks.com/matlabcentral/answers/217754-stl-...
22 days ago | 0
How to read 3D mesh STL file
If your goal is to create a DiscreteGeometry object (for the PDE toolbox), then importGeometry() is what you'd use, but otherwis...
22 days ago | 0
Efficient algorithm for plotting edges detect in a triangular mesh
If you are reading your data from an STL and can represent it as a triangulation object, then this can be simplified tremendousl...
22 days ago | 0
How to get the angles across a 3D surface?
I think this is what was meant. unzip pringle_top.stl.zip % for the forum % an STL file T = stlread('pringle_top.stl'); ...
22 days ago | 0
How to obtain normals from faces?
The easy way would be to use the triangulation class, or since we're pre-R2013a, use TriRep(). The following example was tested...
22 days ago | 0
CAD model cutting slices
Depending on what is meant by "cut a model" means: Find the 2D sectional geometry at a given altitude: https://www.mathworks.c...
22 days ago | 0
How does stlread work?
It looks like you edited the variable names in the function, and then you called the function with no arguments. Don't mess wit...
22 days ago | 0
stlread returns different numbers of vertices/points
As far as I know (and I might be wrong), there weren't STL reader/writer tools in the base toolbox until R2018b. At least that'...
22 days ago | 0
Over 1000 faces when importing stl file to matlab
I thought about this one, and maybe there's an answer. Maybe we're not talking about "faces" as in getting individual triangles...
22 days ago | 0
How can I produce a stl file from a 2d image?
This turned out to be more difficult than I expected. There's probably a better way, but eh. With the exception of the 'merge'...
22 days ago | 0