mesh extract and render by python
Project description
########### Basic Installation ###########
This project for mesh render in data science.
conda create -n pymesh3d python=3.6
conda activate pymesh3d
pip install --upgrade pip
pip install pymesh3d
If you need mayavi backend.
conda config --add channels conda-forge
conda install vtk pyqt mayavi
############### Quick Start ###############
import pymesh
import numpy as np
import matplotlib.pyplot as plt
Look at the directory example for full example.
##########################################
############ Rotate Mesh Data ############
##########################################
wkdir = "../../Render"
ey = np.load(wkdir + "/Ez.npy")[::2, ::50]
m, n = ey.shape[0], ey.shape[1]
res = np.zeros([m, n, n])
pymesh.rotate(ey, res, ifhalf = False)
fig = plt.figure(figsize=(4, 3))
plt.contourf(res[:, int(n/2), :].T)
cbar = plt.colorbar()
##########################################
############# Save Mesh Data #############
##########################################
mesh = pymesh.get_iso_surf(res, contours_number = 4, cmap = plt.cm.jet)
color = pymesh.interp_color(mesh.iso_vals, pltmap = plt.cm.jet)
mesh.export(wkdir + "test", "obj")
##########################################
############# Load Mesh Data #############
##########################################
mesh = pymesh.Mesh.load(wkdir + "test", "obj")
##########################################
############# Plot Mesh Data #############
##########################################
from mayavi import mlab
mlab_mesh = pymesh.iso_surface(mesh, colormap = "RdBu")
mlab.colorbar()
mlab.show()
################ plt example #################
surf = mesh.plt_trisurf(cmap = plt.cm.jet)
plt.colorbar(surf, orientation = 'horizontal')
plt.tight_layout()
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