def test_multi_block_copy():
multi = pyvista.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(ex.load_globe())
# Now check everything
newobj = multi.copy()
assert multi.n_blocks == 5 == newobj.n_blocks
assert id(multi[0]) != id(newobj[0])
assert id(multi[-1]) != id(newobj[-1])
# Now check shallow
newobj = multi.copy(deep=False)
assert multi.n_blocks == 5 == newobj.n_blocks
assert id(multi[0]) == id(newobj[0])
assert id(multi[-1]) == id(newobj[-1])
return
def __init__(self, vtk_widget):
self.vtk_widget = vtk_widget
self.show_ref_vector_point = False
self.spacecraft_model_2_orbit = None
self.spacecraft_model_2_attitude = None
# def add_sphere(self):
# add a sphere to the pyqt frame
self.vtk_widget.subplot(0, 0)
sphere = examples.load_globe()
sphere.points /= 1000
# self.vtk_widget.add_background_image(examples.mapfile)
self.vtk_widget.add_background_image("Model/background4.jpg")
self.vtk_widget.set_background(color='k')
self.sphere = sphere
self.vtk_widget.add_mesh(self.sphere, smooth_shading=True, culling='back')
self.sphere.rotate_z(0)
self.add_eci_frame()
self.vtk_widget.view_isometric()
self.body_ref_point = None
self.vector_line_from_sc = None
self.tar_pos_eci = None
def test_multi_block_list_index():
multi = pyvista.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(ex.load_globe())
# Now check everything
indices = [0, 3, 4]
sub = multi[indices]
assert len(sub) == len(indices)
for i, j in enumerate(indices):
assert id(sub[i]) == id(multi[j])
assert sub.get_block_name(i) == multi.get_block_name(j)
# check list of key names
multi = pyvista.MultiBlock()
multi["foo"] = pyvista.Sphere()
multi["goo"] = pyvista.Box()
multi["soo"] = pyvista.Cone()
indices = ["goo", "foo"]
sub = multi[indices]
assert len(sub) == len(indices)
assert isinstance(sub["foo"], pyvista.PolyData)
earth_alt = examples.download_topo_global()
pl = pv.Plotter()
actor = pl.add_mesh(examples.load_airplane(), smooth_shading=True)
# pl.add_background_image(examples.mapfile)
pl.plot()
###############################################################################
# Plot several earth related plots
pl = pv.Plotter(shape=(2, 2))
pl.subplot(0, 0)
pl.add_text('Earth Visible as Map')
pl.add_background_image(examples.mapfile, as_global=False)
pl.subplot(0, 1)
pl.add_text('Earth Altitude')
actor = pl.add_mesh(earth_alt, cmap='gist_earth')
pl.subplot(1, 0)
topo = examples.download_topo_land()
actor = pl.add_mesh(topo, cmap='gist_earth')
pl.add_text('Earth Land Altitude')
pl.subplot(1, 1)
pl.add_text('Earth Visible as Globe')
pl.add_mesh(examples.load_globe(), smooth_shading=True)
pl.show()
"""
import pyvista as pv
from pyvista import examples
###############################################################################
# This example shows how to create a multi-window plotter by specifying the
# ``shape`` parameter. The window generated is a two by two window by setting
# ``shape=(2, 2)``. Use the :func:`pyvista.BasePlotter.subplot` function to
# select the subplot you wish to be the active subplot.
plotter = pv.Plotter(shape=(2, 2))
plotter.subplot(0, 0)
plotter.add_text("Render Window 0", font_size=30)
plotter.add_mesh(examples.load_globe())
plotter.subplot(0, 1)
plotter.add_text("Render Window 1", font_size=30)
plotter.add_mesh(pv.Cube(), show_edges=True, color="tan")
plotter.subplot(1, 0)
plotter.add_text("Render Window 2", font_size=30)
sphere = pv.Sphere()
plotter.add_mesh(sphere, scalars=sphere.points[:, 2])
plotter.add_scalar_bar("Z")
# plotter.add_axes()
plotter.add_axes(interactive=True)
plotter.subplot(1, 1)
plotter.add_text("Render Window 3", font_size=30)
def globe():
return examples.load_globe()
def test_plot_texture_associated():
""""Test adding a texture to a plot"""
globe = examples.load_globe()
plotter = pyvista.Plotter(off_screen=OFF_SCREEN)
plotter.add_mesh(globe, texture=True)
plotter.show()
def test_plot_texture_associated():
""""Test adding a texture to a plot"""
globe = examples.load_globe()
plotter = pyvista.Plotter()
plotter.add_mesh(globe, texture=True)
plotter.show(before_close_callback=verify_cache_image)
Plot a globe mesh with Background plotter and make the mesh shrink over time
Author: Jari Honkanen
"""
import time
import numpy as np
from threading import Thread
import pyvista as pv
import pyvistaqt as pvqt
from pyvista import examples
if __name__ == "__main__":
globe = examples.load_globe()
globe.point_arrays['scalars'] = np.random.rand(globe.n_points)
globe.set_active_scalars('scalars')
# Create background plotter
plotter_bg = pvqt.BackgroundPlotter()
plotter_bg.add_mesh(globe, scalars='scalars', lighting=False, show_edges=True, texture=True)
plotter_bg.view_isometric()
# Change globe size in the background
def change_size():
for i in range(50):
globe.points *= 0.95
globe.point_arrays['scalars'] = np.random.rand(globe.n_points)
time.sleep(0.5)
""" Geodesic Paths ~~~~~~~~~~~~~~ Calculates the geodesic path betweeen two vertices using Dijkstra's algorithm """ # sphinx_gallery_thumbnail_number = 1 import pyvista as pv from pyvista import examples sphere = examples.load_globe() ############################################################################### # Get teh geodesic path as a new :class:`pyvista.PolyData` object: geodesic = sphere.geodesic(0, sphere.n_points - 1) ############################################################################### # Render the path along the sphere p = pv.Plotter() p.add_mesh(geodesic, line_width=10, color="red", label="Geodesic Path") p.add_mesh(sphere, show_edges=True) p.camera_position = [-1, -1, 1] p.add_legend() p.show() ############################################################################### # How long is that path? distance = sphere.geodesic_distance(0, sphere.n_points - 1) print(distance)
""" Extract Points ~~~~~~~~~~~~~~ This example will demonstrate how to extract the points and PointData of any input data set that has valid PointData into a `vtkPolyData` object. This example demos :class:`PVGeo.filters.ExtractPoints` """ # sphinx_gallery_thumbnail_number = 2 from pyvista import examples from PVGeo.filters import ExtractPoints ################################################################################ # Have some input data source with valid PointData data = examples.load_globe() data.plot() ################################################################################ # Apply the filter: polyData = ExtractPoints().apply(data) polyData.plot()
