def test_gui(self):
pp = Pointset(3)
pp.append(0, 0, 0)
pp.append(0, 1, 0)
pp.append(1, 2, 0)
pp.append(0, 2, 1)
# Create all solids
vv.solidBox((0, 0, 0))
sphere = vv.solidSphere((3, 0, 0))
cone = vv.solidCone((6, 0, 0))
# a cone with 4 faces is a pyramid
pyramid = vv.solidCone((9, 0, 0), N=4)
vv.solidCylinder((0, 3, 0), (1, 1, 2))
ring = vv.solidRing((3, 3, 0))
vv.solidTeapot((6, 3, 0))
vv.solidLine(pp+Point(9, 3, 0), radius=0.2)
# Make the ring green
ring.faceColor = 'g'
# Make the sphere dull
sphere.specular = 0
sphere.diffuse = 0.4
# Show lines in yellow pyramid
pyramid.faceColor = 'r'
pyramid.edgeShading = 'plain'
# Colormap example
N = cone._vertices.shape[0]
cone.SetValues(np.linspace(0, 1, N))
cone.colormap = vv.CM_JET
from visvis import Point, Pointset
vv.figure()
a = vv.gca()
# Define points for the line
pp = Pointset(3)
pp.append(0,0,0); pp.append(0,1,0); pp.append(1,2,0); pp.append(0,2,1)
# Create all solids
box = vv.solidBox((0,0,0))
sphere = vv.solidSphere((3,0,0))
cone = vv.solidCone((6,0,0))
pyramid = vv.solidCone((9,0,0), N=4) # a cone with 4 faces is a pyramid
cylinder = vv.solidCylinder((0,3,0),(1,1,2))
ring = vv.solidRing((3,3,0))
teapot = vv.solidTeapot((6,3,0))
line = vv.solidLine(pp+Point(9,3,0), radius = 0.2)
# Let's put a face on that cylinder
# This works because 2D texture coordinates are automatically generated for
# the sphere, cone, cylinder and ring.
im = vv.imread('astronaut.png')
cylinder.SetTexture(im)
# Make the ring green
ring.faceColor = 'g'
# Make the sphere dull
sphere.specular = 0
sphere.diffuse = 0.4
if axes is None:
axes = vv.gca()
# Create Mesh object
m = vv.OrientableMesh(axes, bm)
#
if translation is not None:
m.translation = translation
if scaling is not None:
m.scaling = scaling
if direction is not None:
m.direction = direction
if rotation is not None:
m.rotation = rotation
# Adjust axes
if axesAdjust:
if axes.daspectAuto is None:
axes.daspectAuto = False
axes.cameraType = '3d'
axes.SetLimits()
# Done
axes.Draw()
return m
if __name__ == '__main__':
m = vv.solidTeapot(direction=(0.1, 0.2, 1))
m.faceShading = 'toon' # Let's try the 'toon' shader for a change!
Parameters
----------
viewparams : dict
View parameters to set.
axes : Axes instance
The axes the view parameters are for. Uses the current axes by default.
keyword pairs
View parameters to set. These take precidence.
If neither viewparams or any keyword pairs are given, returns the current
view parameters (as a dict). Otherwise, sets the view parameters given.
"""
if axes is None:
axes = vv.gca()
if viewparams or kw:
axes.SetView(viewparams, **kw)
else:
return axes.GetView()
if __name__=='__main__':
a = vv.gca()
vv.solidTeapot()
v = vv.view()
# ... rotate the figure a bit and then call:
vv.view(v)
# Note that a.GetView() and a.SetView(v) are equivalent
#!/usr/bin/env python
""" Example that demonstrates how movies can be recorded
and exported to gif/swf/avi.
This is not an interactive example, but a script.
"""
import visvis as vv
# Create something to show, let's show a red teapot!
mesh = vv.solidTeapot()
mesh.faceColor = 'r'
# Prepare
Nangles = 36
a = vv.gca()
f = vv.gcf()
rec = vv.record(a)
# Rotate camera
for i in range(Nangles):
a.camera.azimuth = 360 * float(i) / Nangles
if a.camera.azimuth > 180:
a.camera.azimuth -= 360
a.Draw() # Tell the axes to redraw
f.DrawNow() # Draw the figure NOW, instead of waiting for GUI event loop
# Export
rec.Stop()
rec.Export('teapot.gif')
line2.lc, line2.mc = 'y', 'r' # Display a legend a1.legend = "Astronaut's face", "Astronaut's helmet" # Create second axes (with a black background) a2 = vv.subplot(122) a2.bgcolor = 'k' a2.axis.axisColor = 'w' # Display a texture vol = vv.aVolume(2) # returns a test volume as a numpy array texture3d = vv.volshow(vol) # Display a mesh using one of the "solid" functions mesh = vv.solidTeapot((32, 32, 80), scaling=(50, 50, 50)) mesh.faceColor = 0.4, 1, 0.4 mesh.specular = 'r' # Set orthographic projection a2.camera.fov = 45 # Create labels for the axis a2.axis.xLabel = 'x-axis' a2.axis.yLabel = 'y-axis' a2.axis.zLabel = 'z-axis' # Enter main loop app = vv.use() # let visvis chose a backend for me app.Run()
# Display a legend a1.legend = "Lena's face", "Lena's shoulder" # Create second axes (with a black background) a2 = vv.subplot(122) a2.bgcolor = 'k' a2.axis.axisColor = 'w' # Display a texture vol = vv.aVolume(2) # returns a test volume as a numpy array texture3d = vv.volshow(vol) # Display a mesh using one of the "solid" functions mesh = vv.solidTeapot((32,32,80), scaling=(50,50,50)) mesh.faceColor = 0.4, 1, 0.4 mesh.specular = 'r' # Set orthographic projection a2.camera.fov = 45 # Create labels for the axis a2.axis.xLabel = 'x-axis' a2.axis.yLabel = 'y-axis' a2.axis.zLabel = 'z-axis' # Enter main loop app = vv.use() # let visvis chose a backend for me app.Run()
if axes is None:
axes = vv.gca()
# Create Mesh object
m = vv.OrientableMesh(axes, bm)
#
if translation is not None:
m.translation = translation
if scaling is not None:
m.scaling = scaling
if direction is not None:
m.direction = direction
if rotation is not None:
m.rotation = rotation
# Adjust axes
if axesAdjust:
if axes.daspectAuto is None:
axes.daspectAuto = False
axes.cameraType = '3d'
axes.SetLimits()
# Done
axes.Draw()
return m
if __name__ == '__main__':
m = vv.solidTeapot(direction=(0.1, 0.2, 1))
m.faceShading = 'toon' # Let's try the 'toon' shader for a change!
Parameters
----------
viewparams : dict
View parameters to set.
axes : Axes instance
The axes the view parameters are for. Uses the current axes by default.
keyword pairs
View parameters to set. These take precidence.
If neither viewparams or any keyword pairs are given, returns the current
view parameters (as a dict). Otherwise, sets the view parameters given.
"""
if axes is None:
axes = vv.gca()
if viewparams or kw:
axes.SetView(viewparams, **kw)
else:
return axes.GetView()
if __name__ == '__main__':
a = vv.gca()
vv.solidTeapot()
v = vv.view()
# ... rotate the figure a bit and then call:
vv.view(v)
# Note that a.GetView() and a.SetView(v) are equivalent
#!/usr/bin/env python
""" Example that demonstrates how movies can be recorded
and exported to gif/swf/avi.
This is not an interactive example, but a script.
"""
import visvis as vv
# Create something to show, let's show a red teapot!
mesh = vv.solidTeapot()
mesh.faceColor = 'r'
# Prepare
Nangles = 36
a = vv.gca()
f = vv.gcf()
rec = vv.record(a)
# Rotate camera
for i in range(Nangles):
a.camera.azimuth = 360 * float(i) / Nangles
if a.camera.azimuth>180:
a.camera.azimuth -= 360
a.Draw() # Tell the axes to redraw
f.DrawNow() # Draw the figure NOW, instead of waiting for GUI event loop
# Export
from visvis import Point, Pointset
vv.figure()
a = vv.gca()
# Define points for the line
pp = Pointset(3)
pp.append(0,0,0); pp.append(0,1,0); pp.append(1,2,0); pp.append(0,2,1)
# Create all solids
box = vv.solidBox((0,0,0))
sphere = vv.solidSphere((3,0,0))
cone = vv.solidCone((6,0,0))
pyramid = vv.solidCone((9,0,0), N=4) # a cone with 4 faces is a pyramid
cylinder = vv.solidCylinder((0,3,0),(1,1,2))
ring = vv.solidRing((3,3,0))
teapot = vv.solidTeapot((6,3,0))
line = vv.solidLine(pp+Point(9,3,0), radius = 0.2)
# Let's put a face on that cylinder
# This works because 2D texture coordinates are automatically generated for
# the sphere, cone, cylinder and ring.
im = vv.imread('lena.png')
cylinder.SetTexture(im)
# Make the ring green
ring.faceColor = 'g'
# Make the sphere dull
sphere.specular = 0
sphere.diffuse = 0.4
