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5 replies

W
Werner_E25-Diamond I
25-Diamond I
August 26, 2020

Mathcads 3D plot has a lot of weird effects like this. Unfortunately I don't know of a workaround.

At least changing the factor let those artifacts mysteriously disappear:

Werner_E_0-1598449218477.png

 

    C
    ChrisKaswer16-Pearl
    16-Pearl
    August 26, 2020

    If you change the "Line Options" within the "Appearance" tab from "Wireframe" to "Contour Lines" it will become clear:

     

    Mathcad 3D plot.jpg

     

    Cheers,

     

    Chris

    W
    Werner_E25-Diamond I
    25-Diamond I
    August 26, 2020
    @ChrisKaswer wrote:

    If you change the "Line Options" within the "Appearance" tab from "Wireframe" to "Contour Lines" it will become clear:

    Not sure what would be clear now??

     

    What looks like a plane is a bug in the 3D component of Mathcad, maybe due to numerical limits, I don't know.

    Set Rotation=0 and Tilt=90 and play around with the value of Twist ("General" tab of the 3-D Plot Format menu) and you'll see that the position in the coordinate system of this "plane" changes. So its not a geometrical object made up by the used formulas. Also, as I had shown before, those artifacts go away by multiplying the z-values by a large number like 10^4.

     

    BTW - another "funny" effect if we set "transparency" to something greater 0, 1 is all thats needed:

    Werner_E_0-1598457068044.png

     

     

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