[surface handling] Using surfaceTransformPoints to rotate a STL file with a fixed point

Lewis Liang · November 23, 2017, 07:49

Hello everyone!
I build up a horizontal cylinder with the STL file as shown in the attached figure. The cylinder is placed in the XY plane and perpendicular to X- axis. Then, I try to rotate the cylinder to a position (90 degree) which is same as the red line with its central point A. I have tried to type these codes from some online tutorial about the surfaceTransformPoints command:

Code:

export FILE="cylinder_v2.stl"
#surfaceTransformPoints -yawPitchRoll "(0 90 0)" cylinder.stl $FILE
#surfaceTransformPoints -rollPitchYaw "(0 90 0)" cylinder.stl $FILE
#surfaceTransformPoints -rotate '( (1 0 0) (0 0 1) )' cylinder.stl $FILE

However, the new STL file is not what I expect after checking in the paraview. Could anyone please give me some tips to deal with this problem?

Thanks in advance!

Zuodong

nimasam · January 27, 2018, 11:20

try to edit STL file using paraview filter transform

SD@TUB · January 27, 2018, 12:36

If I don't miss something
#surfaceTransformPoints -rollPitchYaw "(0 0 90)"
should give you the rotation about z-axis.

January 27, 2018, 11:20		#2
nimasam Senior Member Nima Samkhaniani Join Date: Sep 2009 Location: Tehran, Iran Posts: 1,267 Blog Entries: 1 Rep Power: 25	try to edit STL file using paraview filter transform __________________ My Personal Website (http://nimasamkhaniani.ir/) Telegram channel (https://t.me/cfd_foam)

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January 27, 2018, 12:36		#3
SD@TUB Member Stefan Join Date: Jan 2010 Location: Kiel, Germany Posts: 81 Rep Power: 16	If I don't miss something #surfaceTransformPoints -rollPitchYaw "(0 0 90)" should give you the rotation about z-axis.