Error using medicalref3d/intrinsicToWorld Invalid argument at position 2. Value must be integer.
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Kam Loong
el 28 de Feb. de 2024
Comentada: Cris LaPierre
el 29 de Feb. de 2024
Hi, i try to copy paste and run the live script from your example, but error above pop up. Can anyone help me on this, very new with Matlab and doing a master thesis project on this topic. thanks a milllion in advance.
Create STL Surface Model of Femur Bone for 3-D Printing
best regards
Kam
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Cris LaPierre
el 28 de Feb. de 2024
Editada: Cris LaPierre
el 29 de Feb. de 2024
There appears to be an issue with the intrinsicToWorld function. There is no requirement in the documentation that these values be positive integers. Please report this to MathWorks here:
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Cris LaPierre
el 29 de Feb. de 2024
The example does run in R2023a. If you have access to it, you can at least move forward while waiting to hear back.
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Nicolas CRETIN
el 28 de Feb. de 2024
Editada: Nicolas CRETIN
el 28 de Feb. de 2024
Hi kam!
Is that your question:
You're trying to run this example (this line only works if you have at least Matlab R2022b):
openExample('medical/Create3DBoneSurfaceModelFor3DPrintingExample')
Then the section of code below (extract of the code):
I = vertices(:,1);
J = vertices(:,2);
K = vertices(:,3);
[X,Y,Z] = intrinsicToWorld(R,I,J,K);
generates the following mistake:
Error using medicalref3d/intrinsicToWorld
[X,Y,Z] = intrinsicToWorld(R,I,J,K);
↑
Invalid argument at position 2. Value must be integer.
If this is your question, then did you tried to add this:
I = floor(I);
J = floor(J);
K = floor(K);
to take the integer part of your vectors I, J and K?
Will there be then any major physical consequences (I mean if you take this integer part)?
Best regards,
Nicolas
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Nicolas CRETIN
el 28 de Feb. de 2024
Editada: Nicolas CRETIN
el 28 de Feb. de 2024
But then they are still 2889 values of K that are equal to zero and it seems to be an issue
K(K<0)
ans =
0x1 empty single column vector
K(K<=0)
ans =
2889x1 single column vector
So I replaced all the values of K equal to zero by one (be careful, because I have absolutely no idea about the physical consequences it will have). However it allows the following function to work:
K(K<=0) = 1; % set all the values that are equal to zero to 1
[X,Y,Z] = intrinsicToWorld(R,I,J,K);
Please keep in mind that I don't know what this matrix vertices physically represents, so I may have modified it inappropriately! I can just help with the code
Hope it helps!
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