I guess the problem is my data is cell data but coordsXYZ are all point data and cannot be mix. VtkPVArra圜alculator (0x7fee18f2e950): An error occurred when parsing the calculator’s function. Warning: In /Users/kitware/dashboards/buildbot-slave/8275bd07/build/superbuild/paraview/src/VTK/Filters/Core/vtkArra圜alculator.cxx, line 405 one which transports momentum and energy. VtkFunctionParser (0x7fee1fbd0e50): Syntax error: expecting a variable name see position 10 For exam- ple, the transformation formulas between Cartesian coordinates and spherical coordinates are given as 1 exx sin2 0 cos2 4 err + cos2 0 cos2. 1 As a general rule, having a wave vector k k implies that you have a travelling wave, i.e. However, an error message pops out:ĮRROR: In /Users/kitware/dashboards/buildbot-slave/8275bd07/build/superbuild/paraview/src/VTK/Common/Misc/vtkFunctionParser.cxx, line 1244 Where (coordsX, coordsY, coordsZ) = (r, θ, φ), and (v1, v2, v3) = (v_r, v_theta, v_phi), as all the data are described in spherical coordinate.
(v1 sin(coordsY) cos(coordsZ) + v2cos(coordsY) cos(coordsZ) - v3sin(coordsZ)) iHat + (v1sin(coordsY) sin(coordsZ) + v2cos(coordsY) sin(coordsZ) + v3cos(coordsZ)) jHat + (v1cos(coordsY) - v2sin(coordsY))*kHat Ar, A and A are the r, Phi and Theta components of the vector while ar, a and a are the unit vectors of Spherical Coordinate System. I type in the calculator filter (name it vel): Given two vectors whose initial point is the origin of a system of spherical coordintes and terminal points P1(1,1,1) P 1 ( 1, 1, 1 ) and point P2(2. A unit vector is a vector with a magnitude of one, so its magnitude is constant in all coordinate systems. Here I have a vector array v = (v1, v2, v3), which is described in spherical coordinate, and I want to transfer it to Cartesian coordinate.
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