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Nov 14, 2021
09:06 AM

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Nov 14, 2021
09:06 AM

How do I do to draw a box or a rectangular section pipe of length l?

Hello everyone!

I would like to draw the attached graph in 3D with Mathcad 15. It seems to me that this problem has already been addressed in the community but I cannot find it. In fact, it is a rather arduous job although from the geometric point of view it is a question of tracing flat surfaces orthogonal two by two. To do this, I downloaded and installed "images14.exe" and also the list of the functions contained, but I don't know how to use it. How can I avoid using these functions? Could anyone help me? I thank him infinitely.

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Nov 14, 2021
03:43 PM

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Nov 14, 2021
03:43 PM

If you just need a single box with one corner at the origin, the routine in the above mentioned thread simplifies to

One drawback is if you need transparency. If you do, you should turn off plotting the wireframe as otherwise some nasty extra lines become visible (thats the result of Mathcad 15's 3D plot not accepting NaN's).

If you need to have transparency AND wireframe, one option could be to write a second function for the wireframe only and combine the two plots.

MC15 sheet attached

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Nov 14, 2021
10:27 AM

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Nov 14, 2021
03:15 PM

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Nov 14, 2021
03:15 PM

Could this thread

https://community.ptc.com/t5/PTC-Mathcad/Plotting-boxes-in-3D/m-p/500994/highlight/true#M178570

be of any help?

Nov 14, 2021
03:43 PM

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Nov 14, 2021
03:43 PM

If you just need a single box with one corner at the origin, the routine in the above mentioned thread simplifies to

One drawback is if you need transparency. If you do, you should turn off plotting the wireframe as otherwise some nasty extra lines become visible (thats the result of Mathcad 15's 3D plot not accepting NaN's).

If you need to have transparency AND wireframe, one option could be to write a second function for the wireframe only and combine the two plots.

MC15 sheet attached

Nov 14, 2021
03:32 PM

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Nov 14, 2021
03:32 PM

@-MFra- wrote:

Hello everyone!

I would like to draw the attached graph in 3D with Mathcad 15. It seems to me that this problem has already been addressed in the community but I cannot find it. In fact, it is a rather arduous job although from the geometric point of view it is a question of tracing flat surfaces orthogonal two by two. To do this, I downloaded and installed "images14.exe" and also the list of the functions contained, but I don't know how to use it. How can I avoid using these functions? Could anyone help me? I thank him infinitely.

You might also like to look at https://community.ptc.com/t5/PTC-Mathcad/How-to-plot-a-3D-vector-as-an-array-attempts-and-problems/m...

Stuart