PyVista is a helper module for the Visualization Toolkit (VTK) that takes a different approach on interfacing with VTK through NumPy and direct array access.
Questions tagged [pyvista]
147 questions
0
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0 answers
Interactive plotting using pyvista and spyder
I have installed pyvista and its dependencies via conda install -c conda-forge pyvista in the ipython console in Spyder and after a bit of messing around it seems to work (I found that JsonCpp had to be installed manually from the console to access…
Dr Thomas
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1 answer
Check if a volume (.ply) contains a 3D-point
I'm looking for a solution to define if a given 3D-point is contained in a volume (defined by a polygon .ply file).
I use PyVista to define my volume from a point cloud.
But I do not understand how to manipulate the PLY volume, there is vertices and…
hugosc
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0
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1 answer
How to make a mesh (obj file) a solid on Python?
I've been working with pyvista on Python to filter a scan of my arm, obtaining an obj object in the end. But everytime I try to open the final result on SolidWorks it's only a mesh but though Python it shows up as it was a solid (I even extrude the…
Enrique
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1 answer
numpy-stl topological information of the stl fle read
Using the Python numpy-stl package: reading the .stl files we can get the geometrical information from the triangular mesh, vertex data, normals, areas etc, but can we access the topological information, the connectivity information? I am a newcomer…
zuheyr alsalihi
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1 answer
Plotting several grids with labels in a legend
I have several meshes I read each of them using pyvista
import pyvista as pv
# read the data
grid1 = pv.read('mesh1.vtk')
grid2 = pv.read('mesh2.vtk')
I want to plot them together on same plot having different colors
I do :
plotter =…
YAKOVM
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1 answer
How to use PyVista add vector arrow to 3D plot like ABC field?
I have plotted ABC feild contours, when I add vector arrows like Plotting Glyphs (Vectors). I don't know how to make mesh for 3D data.
import pyvista as pv
import numpy as np
from numpy import mgrid
xmin = -800.
xmax = 800.
Lx = xmax-xmin
B0 = 1
k…
John Chen
- 173
- 10
0
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1 answer
Cythonize error: failed with exit status 2. numpy and pyvista
I'd like to Cythonize the following code, but I receive an error.
import numpy as np
cimport numpy as np
import pyvista as pv
from mesh_funcs import *
cimport cython
from libcpp cimport bool
#import matplotlib.pyplot as plt
#Getting mesh points…
Cam K
- 127
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votes
1 answer
How can I avoid "Segmentation fault" error when plotting two Widgets with PyVista?
I have created a GUI with PyQt5 where there is an area in which I would like to plot some volumes. I sometime wish to slice the volumes for which I am using PyVista's "add_mesh_clip_plane" widget. It always works just fine the first time, but when I…
jLordMey
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-1
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1 answer
PyVista Plotter in QFrame doesn't fill the full frame
I want to make a GUI with QtDesigner.
There is a QFrame for the PyVista plot but the plot doesn't fill the full frame.
Here is my code:
from PySide6.QtWidgets import QApplication, QMainWindow
from QT_Designer.Validation import Ui_MainWindow
from…
RaHeSch
- 13
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-2
votes
1 answer
OpenGL error while trying to interact Ursina and PyVista
Well, I have little knowledge about OpenGL. Please help me understand why the error show up and what could be the possible ways to solve the error.
Here is my code:
from ursina import *
import pyvista as pv
from pyvista import examples
# Starting…
Sonarjit
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-3
votes
1 answer
How to analyze several CAD files with python
I have several cad files that I want to analyze. I want to analyze several cad files (step file,stl file), like a plate with several holes inside of it.
I want to extract all the dimensions of these files (height,width of the plate and radius of the…
Rasit Er
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