def plotROI3d(ROI):
x = ROI['x']
y = ROI['y']
z = ROI['z']
mlab.points3d(x - np.mean(x),
y - np.mean(y),
z - np.mean(z), opacity=.1)
def viewImgWithNodes(img, spacing, contours,g, title=''):
mlab.figure(bgcolor=(0, 0, 0), size=(900, 900))
#src = mlab.pipeline.scalar_field(img)
## Our data is not equally spaced in all directions:
#src.spacing = [1, 1, 1]
#src.update_image_data = True
#
#mlab.pipeline.iso_surface(src, contours=contours, opacity=0.2)
nodes = np.array(g.nodes())
dsize = 4*np.ones(nodes.shape[0],dtype='float32')
print(dsize.shape,nodes.shape)
#mlab.points3d(nodes[:,0],nodes[:,1],nodes[:,2],color=(0.0,1.0,0.0))
mlab.points3d(nodes[:,2],nodes[:,1],nodes[:,0],dsize,color=(0.0,0.0,1.0), scale_factor=0.25)
for n1, n2, edge in g.edges(data=True):
path = [n1]+edge['path']+[n2]
pa = np.array(path)
#print pa
mlab.plot3d(pa[:,2],pa[:,1],pa[:,0],color=(0,1,0),tube_radius=0.25)
mlab.view(-125, 54, 'auto','auto')
mlab.roll(-175)
mlab.title(title, height=0.1)
mlab.show()
def spin(fcm, idx0, idx1, idx2):
"""Plots 3D data as points in space."""
x = fcm[:, idx0]
y = fcm[:, idx1]
z = fcm[:, idx2]
s = trilinear_interpolate(x, y, z)
# bins = int(len(x)**(1/3.0))
# xfrac, xint = numpy.modf((x - numpy.min(x))/
# (numpy.max(x)-numpy.min(x))*(bins-1))
# yfrac, yint = numpy.modf((y - numpy.min(y))/
# (numpy.max(y)-numpy.min(y))*(bins-1))
# zfrac, zint = numpy.modf((z - numpy.min(z))/
# (numpy.max(z)-numpy.min(z))*(bins-1))
# xint = xint.astype('i')
# yint = yint.astype('i')
# zint = zint.astype('i')
# not interpolated - kiv write trilinear_interpolate function
# h, edges = numpy.histogramdd(fcm[:,[idx0, idx1, idx2]], bins=bins)
# v = h[xint, yint, zint]
mlab.figure()
mlab.points3d(x, y, z, s, mode='point')
mlab.xlabel(fcm.channels[idx0])
mlab.ylabel(fcm.channels[idx1])
mlab.zlabel(fcm.channels[idx2])
def _plot_max_Value( self ):
X = self.X_hf[:, 0]
Y = self.Y_hf[:, 0]
Z = self.Z_hf[:, 0]
plot_col = getattr( self, self.plot_column )[:, 0]
scale = 1 / max( plot_col )
# if self.plot_column == 'n_tex':
# plot_col = where( plot_col < 0, 0, plot_col )
mlab.figure( figure = "SFB532Demo",
bgcolor = ( 1.0, 1.0, 1.0 ),
fgcolor = ( 0.0, 0.0, 0.0 ) )
mlab.points3d( X, Y, ( -1.0 ) * Z, plot_col,
# colormap = "gist_rainbow",
# colormap = "Reds",
colormap = "copper",
mode = "cube",
scale_factor = scale )
mlab.outline()
mlab.scalarbar( title = self.plot_column, orientation = 'vertical' )
mlab.show
def _plot_fired( self ):
X = self.info_shell.X[:, 0]
Y = self.info_shell.Y[:, 0]
Z = self.info_shell.Z[:, 0]
plot_col = getattr( self, self.plot_column )[:, 0]
mlab.points3d( X, Y, Z, plot_col )
mlab.show()
def show_3d(self):
"""SHOW_3D - Use mayavi2 to visualize point cloud.
Usage: obj.show_3d()
"""
from enthought.mayavi import mlab
# I want at most 50K points
stride = 1 + len(self) / 50000
pts = self[:, ::stride]
colors = np.ones(pts.shape[1], dtype=np.uint8)
# Draw clusters in point cloud
fig = mlab.figure()
mlab.points3d(
pts[0, :],
pts[1, :],
pts[2, :],
colors,
colormap="spectral",
figure=fig,
scale_mode="none",
scale_factor=0.02,
)
mlab.view(180, 180)
mlab.show()
def initialize_rope_from_cloud(xyzs, plotting=False):
xyzs = xyzs.reshape(-1,3)
if len(xyzs) > 500: xyzs = xyzs[::len(xyzs)//500]
pdists = ssd.squareform(ssd.pdist(xyzs,'sqeuclidean'))
G = nx.Graph()
for (i_from, row) in enumerate(pdists):
to_inds = np.flatnonzero(row[:i_from] < MAX_DIST**2)
for i_to in to_inds:
G.add_edge(i_from, i_to, weight = pdists[i_from, i_to])
A = nx.floyd_warshall_numpy(G)
A[np.isinf(A)] = 0
(i_from_long, i_to_long) = np.unravel_index(A.argmax(), A.shape)
nodes = G.nodes();
path = nx.shortest_path(G, source=nodes[i_from_long], target=nodes[i_to_long])
xyz_path = xyzs[path,:]
xyzs_unif = curves.unif_resample(xyz_path,N_CTRL_PTS,tol=.005)
labels = np.ones(len(xyzs_unif)-1,'int')
labels[[0,-1]] = 2
if plotting:
import enthought.mayavi.mlab as mlab
mlab.plot3d(*xyzs_unif.T, tube_radius=.001)
mlab.points3d(*xyzs.T, scale_factor=.01)
mlab.show()
return xyzs_unif, labels
def plot_XYZ():
mlab.points3d( X, Y, Z_wf,
error_Z_abs,
colormap = "YlOrBr",
mode = "cube",
scale_factor = 100. )
mlab.scalarbar( orientation = 'vertical' )
def show_3d(self):
"""SHOW - Use mayavi2 to visualize point cloud.
Usage: DepthImage.show()
"""
from enthought.mayavi import mlab
# Get 3D points
pts = self.tocloud()
# I want at most 50K points
stride = 1 + pts.shape[1]/50000
pts = np.c_[pts[:,::stride], pts[:,::stride]]
colors = np.ones(pts.shape[1], dtype=np.uint8)
# Draw clusters in point cloud
fig = mlab.figure()
mlab.points3d(pts[0,:], pts[1,:], pts[2,:], \
colors, colormap='spectral', figure=fig, \
scale_mode='none', scale_factor=0.02)
mlab.view(180,180)
mlab.show()
def plot_atoms(atoms):
for atom in atoms:
pos = atom.position
mlab.points3d(
[pos[0]],
[pos[1]],
[pos[2]],
scale_factor=4,
resolution=20,
color=(1, 0, 0), # this should get species specifuc
scale_mode="none",
)
(u0, u1, u2) = atoms.get_cell()
origin = np.array([0.0, 0.0, 0.0])
plot_cylinder(origin, u0)
plot_cylinder(origin, u1)
plot_cylinder(origin, u2)
plot_cylinder(u0, u0 + u1)
plot_cylinder(u0, u0 + u2)
plot_cylinder(u1, u1 + u0)
plot_cylinder(u1, u1 + u2)
plot_cylinder(u2, u2 + u0)
plot_cylinder(u2, u2 + u1)
plot_cylinder(u0 + u1, u0 + u1 + u2)
plot_cylinder(u1 + u2, u0 + u1 + u2)
plot_cylinder(u0 + u2, u0 + u1 + u2)
mlab.show()
def spin(fcm, idx0, idx1, idx2):
"""Plots 3D data as points in space."""
x = fcm[:, idx0]
y = fcm[:, idx1]
z = fcm[:, idx2]
s = trilinear_interpolate(x, y, z)
# bins = int(len(x)**(1/3.0))
# xfrac, xint = numpy.modf((x - numpy.min(x))/
# (numpy.max(x)-numpy.min(x))*(bins-1))
# yfrac, yint = numpy.modf((y - numpy.min(y))/
# (numpy.max(y)-numpy.min(y))*(bins-1))
# zfrac, zint = numpy.modf((z - numpy.min(z))/
# (numpy.max(z)-numpy.min(z))*(bins-1))
# xint = xint.astype('i')
# yint = yint.astype('i')
# zint = zint.astype('i')
# # not interpolated - kiv write trilinear_interpolate function
# h, edges = numpy.histogramdd(fcm[:,[idx0, idx1, idx2]], bins=bins)
# v = h[xint, yint, zint]
mlab.figure()
mlab.points3d(x, y, z, s, mode='point')
mlab.xlabel(fcm.channels[idx0])
mlab.ylabel(fcm.channels[idx1])
mlab.zlabel(fcm.channels[idx2])
def show_votegrid(vg, color=(1, 0, 0), opacity=1):
from enthought.mayavi import mlab
mlab.clf()
x, y, z = np.nonzero(vg > 0)
if not color is None:
mlab.points3d(x,
y,
z,
opacity=opacity,
color=color,
scale_factor=1,
scale_mode='none',
mode='cube')
else:
mlab.points3d(x,
y,
z,
vg[vg > 0],
opacity=opacity,
scale_factor=1,
scale_mode='none',
mode='cube')
gridmin, gridmax = config.bounds
X, Y, Z = np.array(gridmax) - gridmin
#mlab.axes(extent=[0,0,0,X,Y,Z])
mlab.draw()
def drawArrows(self, figure, bbox, number, partner):
"""
draw an 'arrow' from the cell 'number' to 'partner'
"""
#load the center of mass position
n = np.array(number)
p = np.array(partner)
n.shape = (n.size, )
p.shape = (p.size, )
if p.size > 0 and n.size > 0:
com1 = self.file1["features"][str(n[0])]["com"][:]
com2 = self.file2["features"][str(p[0])]["com"][:]
#write the cell label as text
mlab.text3d(com1[2]-bbox[2]+1,com1[1]-bbox[1]+1,com1[0]-bbox[0]+1, str(number), color=(1,1,1), figure=figure)
#plot a point where the current cell is
mlab.points3d([com1[2]-bbox[2]+1],[com1[1]-bbox[1]+1],[com1[0]-bbox[0]+1],color=(0,0,1), figure=figure)
#plot a line to the descendant's center
mlab.plot3d([com1[2]-bbox[2]+1,com2[2]-bbox[2]+1],
[com1[1]-bbox[1]+1,com2[1]-bbox[1]+1],
[com1[0]-bbox[0]+1,com2[0]-bbox[0]+1],
tube_radius=0.2, color=(1,0,0), figure=figure)
#plot a second line, if there is a split
if p.size == 2:
com3 = self.file2["features"][str(p[1])]["com"][:]
mlab.plot3d([com1[2]-bbox[2]+1,com3[2]-bbox[2]+1],
[com1[1]-bbox[1]+1,com3[1]-bbox[1]+1],
[com1[0]-bbox[0]+1,com3[0]-bbox[0]+1],
tube_radius=0.2, color=(1,0,0), figure=figure)
def plot_atoms(atoms):
for atom in atoms:
pos = atom.get_position()
mlab.points3d(
[pos[0]],
[pos[1]],
[pos[2]],
scale_factor=4,
resolution=20,
color=(1, 0, 0), #this should get species specifuc
scale_mode='none')
(u0, u1, u2) = atoms.get_cell()
origin = np.array([0.0, 0.0, 0.0])
plot_cylinder(origin, u0)
plot_cylinder(origin, u1)
plot_cylinder(origin, u2)
plot_cylinder(u0, u0 + u1)
plot_cylinder(u0, u0 + u2)
plot_cylinder(u1, u1 + u0)
plot_cylinder(u1, u1 + u2)
plot_cylinder(u2, u2 + u0)
plot_cylinder(u2, u2 + u1)
plot_cylinder(u0 + u1, u0 + u1 + u2)
plot_cylinder(u1 + u2, u0 + u1 + u2)
plot_cylinder(u0 + u2, u0 + u1 + u2)
mlab.show()
def test_den():
P = np.random.random((10,10))
#P=np.load(r'c:\maxdenP.np.npy')
#myfilestr=r'c:\structfactors_density.dat'
#x,y,z=np.loadtxt(myfilestr).T
#P=z.reshape((101,101))
#print P.shape
fig=mlab.figure()
x,y,z=gen_as()
#view along z-axis
pts_as=mlab.points3d(x,y,z-.125,color=(1,0,0),colormap='gist_rainbow',figure=fig,scale_factor=.1)
x,y,z=gen_fe()
print 'x',x
print 'y',y
print 'z',z
pts_fe=mlab.points3d(x,y,z-.125,color=(0,1,0),colormap='gist_rainbow',figure=fig,scale_factor=.02)
x,y,z=gen_sr()
pts_sr=mlab.points3d(x,y,z-.125,color=(0,0,1),colormap='gist_rainbow',figure=fig)
outline=mlab.outline(figure=fig,extent=[0,1,0,1,-1,0])
mlab.orientation_axes(figure=fig,xlabel='a',ylabel='b',zlabel='c')
print 'shape',P.shape
P = P[:,:, np.newaxis]
print 'after',P.shape
src = mlab.pipeline.scalar_field(P)
#src = mlab.pipeline.array2d_source(P)
surf = mlab.pipeline.surface(src,figure=fig,extent=[0,1,0,1,-1,0],name='surf2',opacity=0.4)
#surf.transform.GetTransform().RotateX(90)
print 'done'
def plot_normals(pts, normals, curvature=None):
x = pts[0, :].A1
y = pts[1, :].A1
z = pts[2, :].A1
u = normals[0, :].A1
v = normals[1, :].A1
w = normals[2, :].A1
if curvature != None:
#mlab.points3d(x,y,z,curvature,mode='point',scale_factor=1.0)
mlab.points3d(x,
y,
z,
curvature,
mode='sphere',
scale_factor=0.1,
mask_points=1)
mlab.colorbar()
else:
mlab.points3d(x, y, z, mode='point')
mlab.quiver3d(x, y, z, u, v, w, mask_points=16, scale_factor=0.1)
# mlab.axes()
mlab.show()
def ChargeDensityFog3D(directory, save_file=None , DrawAtoms=True, DrawCell=True, opacity_range=[0,1]):
# Get data from calculation files
with jasp(directory) as calc:
atoms = calc.get_atoms()
x, y, z, cd = calc.get_charge_density()
mlab.figure(bgcolor=(0,0,0), size=(640,480))
# Draw atoms
if DrawAtoms == True:
for atom in atoms:
mlab.points3d(atom.x,
atom.y,
atom.z,
scale_factor=vdw_radii[atom.number]/10.,
resolution=16,
color=tuple(cpk_colors[atom.number]),
scale_mode='none')
# Draw unit cell
if DrawCell == True:
a1, a2, a3 = atoms.get_cell()
origin = [0,0,0]
cell_matrix = [[origin, a1],
[origin, a2],
[origin, a3],
[a1, a1+a2],
[a1, a1+a3],
[a2, a2+a1],
[a2, a2+a3],
[a3, a1+a3],
[a3, a2+a3],
[a1+a2, a1+a2+a3],
[a2+a3, a1+a2+a3],
[a1+a3, a1+a3+a2]] # contains all points on the box
for p1, p2 in cell_matrix:
mlab.plot3d([p1[0], p2[0]], # x-coords of box
[p1[1], p2[1]], # y-coords
[p1[2], p2[2]]) # z-coords
# Plot the charge density
src = mlab.pipeline.scalar_field(x, y, z, cd) #Source data
vmin = cd.min() #find minimum and maximum value of CD data
vmax = cd.max()
vol = mlab.pipeline.volume(src) # Make a volumetric representation of the data
# Set opacity transfer function
from tvtk.util.ctf import PiecewiseFunction
otf = PiecewiseFunction()
otf.add_point(vmin, opacity_range[0]) #Transparency at zero electron density
otf.add_point(vmax*1, opacity_range[1]) #Transparency at max electron density
vol._otf=otf
vol._volume_property.set_scalar_opacity(otf)
#Show a legend
mlab.colorbar(title="e- density\n(e/Ang^3)", orientation="vertical", nb_labels=5, label_fmt='%.2f')
mlab.view(azimuth=-90, elevation=90, distance='auto') # Set viewing angle
mlab.show()
if save_file != None:
mlab.savefig(save_file)
def plot_XYZ():
mlab.points3d( X, Y, Z,
error_t_rel,
# error_t_abs,
colormap = "YlOrBr",
mode = "cube",
scale_factor = 0.015 )
mlab.scalarbar( orientation = 'vertical' )
def _plot_mayavi_(self):
from enthought.mayavi import mlab
color = number2color(self._Z)
mlab.points3d(self.position[:1], self.position[1:2], self.position[2:],
scale_factor=3,
resolution=20,
color=color,
scale_mode="none")
def downsample_cb(cloud_down):
print "downsample_cb got called."
pts = ros_pts_to_np(cloud_down.pts)
x = pts[0, :].A1
y = pts[1, :].A1
z = pts[2, :].A1
mlab.points3d(x, y, z, mode="point")
mlab.show()
def downsample_cb(cloud_down):
print 'downsample_cb got called.'
pts = ros_pts_to_np(cloud_down.pts)
x = pts[0, :].A1
y = pts[1, :].A1
z = pts[2, :].A1
mlab.points3d(x, y, z, mode='point')
mlab.show()
def plotResult3d(result, scale_field='grid_area'):
"""Takes a detailed results numpy array
plots the points, scaled by the num_expressors column
"""
mlab.points3d(result.data['x'] - np.mean(result.data['x']),
result.data['y'] - np.mean(result.data['y']),
result.data['z'] - np.mean(result.data['z']),
result.data[scale_field])
def plot_taxel_registration_dict(d, color):
tar = d['transform_array_response']
x_l, y_l, z_l = [], [], []
for t in tar.data:
x_l.append(t.translation.x)
y_l.append(t.translation.y)
z_l.append(t.translation.z)
mlab.points3d(x_l, y_l, z_l, mode='sphere', color=color, scale_factor=0.002)
def demo2():
from enthought.mayavi import mlab
pts = generate_pts()
direction, magnitudes = gaussian_curvature(pts)
print 'eigen values', magnitudes.T
mlab.points3d(pts[0,:].A1, pts[1,:].A1, pts[2,:].A1, mode='sphere', scale_factor=.05)
plot_axis(0,0,0, direction)
plot_axis(2,0,0, np.eye(3))
mlab.show()
def test_den():
#P = np.random.random((10,10))
#P=np.load(r'c:\maxdenP.np.npy')
#myfilestr=r'c:\structfactors_density.dat'
#x,y,z=np.loadtxt(myfilestr).T
#P=z.reshape((101,101))
#print P.shape
fig = mlab.figure(fgcolor=(0, 0, 0), bgcolor=(1, 1, 1))
x, y, z = np.array([[1, 0, 1], [0, -1, 1], [-1, 0, -1], [0, 1, -1],
[1, 1, 0], [-1, -1, 0]], 'float64').T
#view along z-axis
pts_as = mlab.points3d(x,
y,
z,
color=(1, 0, 0),
colormap='gist_rainbow',
figure=fig,
scale_factor=.3)
#x,y,z=gen_fe()
print 'x', x, x.shape
print 'y', y, y.shape
print 'z', z, z.shape
x, y, z = np.array([
[0, 1, 1],
[0, -1, -1],
], 'float64').T
pts_FE = mlab.points3d(x,
y,
z,
color=(0, 1, 0),
colormap='gist_rainbow',
figure=fig,
scale_factor=.3)
mlab.text3d(0, 1, 1, '011', scale=.2, color=(1, 1, 0))
mlab.text3d(1, 1, 0, '110', scale=.2)
mlab.text3d(-1, -1, 0, '-1-10', scale=.2)
mlab.text3d(1, 0, 1, '101', scale=.2)
mlab.text3d(0, -1, 1, '0-11', scale=.2)
mlab.text3d(-1, 0, -1, '-10-1', scale=.2)
mlab.text3d(0, 1, -1, '01-1', scale=.2)
#pts_fe=mlab.points3d(x,y,z-.125,color=(0,1,0),colormap='gist_rainbow',figure=fig,scale_factor=.02)
#x,y,z=gen_sr()
#print 'x',x,x.shape
#pts_sr=mlab.points3d(x,y,z-.125,color=(0,0,1),colormap='gist_rainbow',figure=fig)
#outline=mlab.outline(figure=fig,extent=[0,1,0,1,-1,0])
outline = mlab.outline(figure=fig)
mlab.orientation_axes(figure=fig, xlabel='a', ylabel='b', zlabel='c')
#print 'shape',P.shape
#P = P[:,:, np.newaxis]
#print 'after',P.shape
#src = mlab.pipeline.scalar_field(P)
#src = mlab.pipeline.array2d_source(P)
#surf = mlab.pipeline.surface(src,figure=fig,extent=[0,1,0,1,-1,0],name='surf2',opacity=0.4)
#surf.transform.GetTransform().RotateX(90)
print 'done'
def display_atoms():
mol = Molecule.from_file("eth.cml")
cords=[]
power = []
mc = mass_centre(mol)
for atom in mol:
cords.append(atom.r )
power.append(atom.atno)
x,y,z = zip(*cords)
from enthought.mayavi import mlab
mlab.points3d(x,y,z,power,scale_mode='none')
def display_atoms():
mol = Molecule.from_file("eth.cml")
cords = []
power = []
mc = mass_centre(mol)
for atom in mol:
cords.append(atom.r)
power.append(atom.atno)
x, y, z = zip(*cords)
from enthought.mayavi import mlab
mlab.points3d(x, y, z, power, scale_mode='none')
def demo1():
from enthought.mayavi import mlab
pts = generate_pts()
directions, magnitudes = gaussian_curvature(pts)
print directions.T.A[0].tolist()
print magnitudes.tolist()
mlab.points3d(pts[0,:].A1, pts[1,:].A1, pts[2,:].A1, mode='sphere', scale_factor=.05)
plot_axis(0,0,0, directions)
plot_axis(2,0,0, np.eye(3))
mlab.show()
def plotKernel3d(k):
xs=[]
ys=[]
zs=[]
datas=[]
for x in range(k.shape[0]):
for y in range(k.shape[1]):
for z in range(k.shape[2]):
xs.append(x)
ys.append(y)
zs.append(z)
datas.append(k[x,y,z])
mlab.points3d(xs,ys,zs,datas)
def plot_taxel_registration_dict(d, color):
tar = d['transform_array_response']
x_l, y_l, z_l = [], [], []
for t in tar.data:
x_l.append(t.translation.x)
y_l.append(t.translation.y)
z_l.append(t.translation.z)
mlab.points3d(x_l,
y_l,
z_l,
mode='sphere',
color=color,
scale_factor=0.002)
def show_votegrid(vg, color=(1, 0, 0), opacity=1):
from enthought.mayavi import mlab
mlab.clf()
x, y, z = np.nonzero(vg > 0)
if not color is None:
mlab.points3d(x, y, z, opacity=opacity, color=color, scale_factor=1, scale_mode="none", mode="cube")
else:
mlab.points3d(x, y, z, vg[vg > 0], opacity=opacity, scale_factor=1, scale_mode="none", mode="cube")
gridmin, gridmax = config.bounds
X, Y, Z = np.array(gridmax) - gridmin
# mlab.axes(extent=[0,0,0,X,Y,Z])
mlab.draw()
def test_den():
#P = np.random.random((10,10))
#P=np.load(r'c:\maxdenP.np.npy')
#myfilestr=r'c:\structfactors_density.dat'
#x,y,z=np.loadtxt(myfilestr).T
#P=z.reshape((101,101))
#print P.shape
fig=mlab.figure(fgcolor=(0, 0, 0), bgcolor=(1, 1, 1))
x,y,z=np.array([[1,0,1],
[0,-1,1],
[-1,0,-1],
[0,1,-1],
[1,1,0],
[-1,-1,0]
],'float64').T
#view along z-axis
pts_as=mlab.points3d(x,y,z,color=(1,0,0),colormap='gist_rainbow',figure=fig,scale_factor=.3)
#x,y,z=gen_fe()
print 'x',x,x.shape
print 'y',y,y.shape
print 'z',z,z.shape
x,y,z=np.array([[0,1,1],
[0,-1,-1],
],'float64').T
pts_FE=mlab.points3d(x,y,z,color=(0,1,0),colormap='gist_rainbow',figure=fig,scale_factor=.3)
mlab.text3d(0, 1, 1,'011',scale=.2,color=(1,1,0))
mlab.text3d(1, 1, 0,'110',scale=.2)
mlab.text3d(-1, -1, 0,'-1-10',scale=.2)
mlab.text3d(1, 0, 1,'101',scale=.2)
mlab.text3d(0, -1, 1,'0-11',scale=.2)
mlab.text3d(-1, 0, -1,'-10-1',scale=.2)
mlab.text3d(0, 1, -1,'01-1',scale=.2)
#pts_fe=mlab.points3d(x,y,z-.125,color=(0,1,0),colormap='gist_rainbow',figure=fig,scale_factor=.02)
#x,y,z=gen_sr()
#print 'x',x,x.shape
#pts_sr=mlab.points3d(x,y,z-.125,color=(0,0,1),colormap='gist_rainbow',figure=fig)
#outline=mlab.outline(figure=fig,extent=[0,1,0,1,-1,0])
outline=mlab.outline(figure=fig)
mlab.orientation_axes(figure=fig,xlabel='a',ylabel='b',zlabel='c')
#print 'shape',P.shape
#P = P[:,:, np.newaxis]
#print 'after',P.shape
#src = mlab.pipeline.scalar_field(P)
#src = mlab.pipeline.array2d_source(P)
#surf = mlab.pipeline.surface(src,figure=fig,extent=[0,1,0,1,-1,0],name='surf2',opacity=0.4)
#surf.transform.GetTransform().RotateX(90)
print 'done'
def save(self,it):
msh = self.__msh
w = (self.__eqn).get(self.__var)()
mlab.clf()
mlab.points3d(msh.x[:,0], msh.x[:,1], zeros(w.shape), w,
scale_factor=self.__scale, scale_mode=self.__mode)
mlab.outline(extent=[msh.BB[0,0],msh.BB[1,0],msh.BB[0,1],msh.BB[1,1],
0,0])
mlab.view(0,0,self.__zoom,self.__xView)
mlab.colorbar()
fSol = ''.join([self.__figDir,'/',self.__name,'%04d.png'% it])
#print fSol
mlab.savefig(fSol)
def plot_cell(cell):
x0,x1,y0,y1,z0,z1 = cell.bounds
p = mlab.points3d((x0+x1)/2, (y0+y1)/2, (z0+z1)/2, opacity=0.2, mode="cube")
cube = p.glyph.glyph_source.glyph_source
cube.x_length = x1-x0
cube.y_length = y1-y0
cube.z_length = z1-z0
def plot_points(self, x, y, z, spikes=[], t=0, color=(0.5, 0.5, 0.5), csize=1./75.):
""" Plot spheres representing each node in network """
if t==0:
pts = mlab.points3d(x,y,z,
color=color,
scale_factor = csize)
else:
ind = spikes[spikes[:,0]==t, 1].astype(int)
#ind = ind[ind<=numgran] # looks like there are some indices greater than numgran
pts = mlab.points3d(x[ind],
y[ind],
z[ind],
color=color,
scale_factor = csize)
pts.glyph.scale_mode = 'data_scaling_off'
return pts
def draw_struct():
fig = mlab.figure()
r = gen_fe()
s = gen_spins()
#view along z-axis
x = r[:, 0]
y = r[:, 1]
z = r[:, 2]
u = s[:, 0]
v = s[:, 1]
w = s[:, 2]
#print x.shape
#print y.shape
#print z.shape
pts_as = mlab.points3d(x,
y,
z,
color=(0, 0, 1),
colormap='gist_rainbow',
figure=fig,
scale_factor=.1)
mlab.quiver3d(x, y, z, u, v, w, line_width=3, scale_factor=.3, figure=fig)
outline = mlab.outline(figure=fig, extent=[0, 1, 0, 1, 0, 1])
mlab.orientation_axes(figure=fig, xlabel='a', ylabel='b', zlabel='c')
print 'done'
def show( self, x, y, z_middle, displayed_value ):
"""Test contour_surf on regularly spaced co-ordinates like MayaVi.
"""
print '*** plotting data***'
s = points3d( X, Y, z_middle, displayed_value, colormap = "gist_rainbow", mode = "cube", scale_factor = 0.3 )
sb = colorbar( s )
# Recorded script from Mayavi2
#try:
# engine = mayavi.engine
#except NameError:
# from enthought.mayavi.api import Engine
# engine = Engine()
# engine.start()
#if len(engine.scenes) == 0:
# engine.new_scene()
# -------------------------------------------
glyph = s#.pipeline.scenes[0].children[0].children[0].children[0]
glyph.glyph.glyph_source.glyph_source.center = array( [ 0., 0., 0.] )
glyph.glyph.glyph_source.glyph_source.progress = 1.0
glyph.glyph.glyph_source.glyph_source.x_length = 0.6
glyph.glyph.glyph_source.glyph_source.y_length = 0.6
sb.scalar_bar.title = 'thickness [m]'
#print s.pipeline
#s.scene.background = (1.0, 1.0, 1.0)
return s
def display(self):
""" Display Electrode in Mayavi """
f = mlab.figure(figure=mlab.gcf(),
bgcolor=(0,0,0),
size=(800,600))
# Build Electrode tip
x, y, z = self.shaft[0,:].T
self.mlab_tip = mlab.points3d(array(x),
array(y),
array(z),
scale_factor=self.diameter,
color=(0.5, 0.5, 0.5),
name='Electrode Tip')
self.mlab_tip.glyph.glyph_source.glyph_source.theta_resolution = 30
self.mlab_tip.glyph.glyph_source.glyph_source.phi_resolution = 16
# Build Electrode Shaft
x, y, z = self.shaft.T
self.mlab_shaft = mlab.plot3d(x.T, y.T, z.T,
color=(0.5, 0.5, 0.5),
tube_radius=self.diameter / 2,
tube_sides=40,
name='Electrode')
self.mlab_shaft.parent.parent.filter.capping=True
def compute_delaunay_edges(x, y, z, visualize=False):
""" Given 3-D points, returns the edges of their
Delaunay triangulation.
Parameters
-----------
x: ndarray
x coordinates of the points
y: ndarray
y coordinates of the points
z: ndarray
z coordinates of the points
Returns
---------
new_x: ndarray
new x coordinates of the points (same coords but different
assignment of points)
new_y: ndarray
new y coordinates of the points (same coords but different
assignment of points)
new_z: ndarray
new z coordinates of the points (same coords but different
assignment of points)
edges: 2D ndarray.
The indices of the edges of the Delaunay triangulation as a
(N, 2) array [[pair1_index1, pair1_index2],
[pair2_index1, pair2_index2],
... ]
"""
if visualize:
vtk_source = mlab.points3d(x, y, z, opacity=0.3, mode='2dvertex')
vtk_source.actor.property.point_size = 3
else:
vtk_source = mlab.points3d(x, y, z, figure=False)
delaunay = mlab.pipeline.delaunay3d(vtk_source)
delaunay.filter.offset = 999 # seems more reliable than the default
edges = mlab.pipeline.extract_edges(delaunay)
if visualize:
mlab.pipeline.surface(edges, opacity=0.3, line_width=3)
# We extract the output array. the 'points' attribute itself
# is a TVTK array, that we convert to a numpy array using
# its 'to_array' method.
new_x, new_y, new_z = edges.outputs[0].points.to_array().T
lines = edges.outputs[0].lines.to_array()
return new_x, new_y, new_z, np.array([lines[1::3], lines[2::3]]).T
def initialize_rope(label_img, xyz,bgr, plotting=False):
# XXX that sucks
rope_mask = (label_img==1) | ndi.morphology.binary_dilation(label_img==2,np.ones((5,5)))
rope_mask = ndi.binary_opening(rope_mask, np.ones((3,3)))
rope_mask = ndi.binary_dilation(rope_mask, np.ones((15,15)))
skel = mip.skeletonize(rope_mask)
if plotting:
cv2.imshow('bgr',bgr.copy())
cv2.imshow('labels',label_img.astype('uint8')*50)
cv2.imshow("skel", skel.astype('uint8')*50)
cv2.imshow("rope_mask", rope_mask.astype('uint8')*50)
cv2.waitKey(5)
#start_end = (uv_start, uv_end) = get_cc_centers(label_img==2,2)
G = skel2graph(skel)
path2d = longest_shortest_path(G)
path3d = to3d(path2d,xyz)
xyzs_unif = curves.unif_resample(path3d,N_CTRL_PTS,tol=.0025)
#us,vs = xyz2uv(xyzs_unif).T
#labels = label_img[us,vs]
labels = np.ones(xyzs_unif.shape[0]-1,'int')
labels[0] = labels[-1] = 2
if plotting:
xs,ys,zs = xyzs_unif.T
us_skel, vs_skel = np.nonzero(skel)
xs_skel, ys_skel, zs_skel = to3d(np.c_[us_skel, vs_skel], xyz).T
import matplotlib.pyplot as plt, enthought.mayavi.mlab as mlab
mlab.plot3d(xs,ys,zs,np.arange(len(xs)),tube_radius=.0025, colormap='spectral')
mlab.points3d(xs_skel, ys_skel, zs_skel, scale_factor=.02, color=(1,1,1),opacity=.1)
for (i,path) in enumerate(path3d):
mlab.text3d(path[0,0],path[0,1],path[0,2],str(2*i),scale=.01,color=(0,0,0))
mlab.text3d(path[-1,0],path[-1,1],path[-1,2],str(2*i+1),scale=.01,color=(0,0,0))
mlab.show()
return xyzs_unif, labels
def compute_delaunay_edges(x, y, z, visualize=False):
""" Given 3-D points, returns the edges of their
Delaunay triangulation.
Parameters
-----------
x: ndarray
x coordinates of the points
y: ndarray
y coordinates of the points
z: ndarray
z coordinates of the points
Returns
---------
new_x: ndarray
new x coordinates of the points (same coords but different
assignment of points)
new_y: ndarray
new y coordinates of the points (same coords but different
assignment of points)
new_z: ndarray
new z coordinates of the points (same coords but different
assignment of points)
edges: 2D ndarray.
The indices of the edges of the Delaunay triangulation as a
(N, 2) array [[pair1_index1, pair1_index2],
[pair2_index1, pair2_index2],
... ]
"""
if visualize:
vtk_source = mlab.points3d(x, y, z, opacity=0.3, mode='2dvertex')
vtk_source.actor.property.point_size = 3
else:
vtk_source = mlab.points3d(x, y, z, figure=False)
delaunay = mlab.pipeline.delaunay3d(vtk_source)
delaunay.filter.offset = 999 # seems more reliable than the default
edges = mlab.pipeline.extract_edges(delaunay)
if visualize:
mlab.pipeline.surface(edges, opacity=0.3, line_width=3)
# We extract the output array. the 'points' attribute itself
# is a TVTK array, that we convert to a numpy array using
# its 'to_array' method.
new_x, new_y, new_z = edges.outputs[0].points.to_array().T
lines = edges.outputs[0].lines.to_array()
return new_x, new_y, new_z, np.array([lines[1::3], lines[2::3]]).T
def plot_cell(cell):
x0, x1, y0, y1, z0, z1 = cell.bounds
p = mlab.points3d((x0 + x1) / 2, (y0 + y1) / 2, (z0 + z1) / 2,
opacity=0.2,
mode="cube")
cube = p.glyph.glyph_source.glyph_source
cube.x_length = x1 - x0
cube.y_length = y1 - y0
cube.z_length = z1 - z0
def drawArrows(self, figure, bbox, number, partner):
"""
draw an 'arrow' from the cell 'number' to 'partner'
"""
#load the center of mass position
n = np.array(number)
p = np.array(partner)
n.shape = (n.size, )
p.shape = (p.size, )
if p.size > 0 and n.size > 0:
com1 = self.file1["features"][str(n[0])]["com"][:]
com2 = self.file2["features"][str(p[0])]["com"][:]
#write the cell label as text
mlab.text3d(com1[2] - bbox[2] + 1,
com1[1] - bbox[1] + 1,
com1[0] - bbox[0] + 1,
str(number),
color=(1, 1, 1),
figure=figure)
#plot a point where the current cell is
mlab.points3d([com1[2] - bbox[2] + 1], [com1[1] - bbox[1] + 1],
[com1[0] - bbox[0] + 1],
color=(0, 0, 1),
figure=figure)
#plot a line to the descendant's center
mlab.plot3d([com1[2] - bbox[2] + 1, com2[2] - bbox[2] + 1],
[com1[1] - bbox[1] + 1, com2[1] - bbox[1] + 1],
[com1[0] - bbox[0] + 1, com2[0] - bbox[0] + 1],
tube_radius=0.2,
color=(1, 0, 0),
figure=figure)
#plot a second line, if there is a split
if p.size == 2:
com3 = self.file2["features"][str(p[1])]["com"][:]
mlab.plot3d([com1[2] - bbox[2] + 1, com3[2] - bbox[2] + 1],
[com1[1] - bbox[1] + 1, com3[1] - bbox[1] + 1],
[com1[0] - bbox[0] + 1, com3[0] - bbox[0] + 1],
tube_radius=0.2,
color=(1, 0, 0),
figure=figure)
def plot3d(self,ix=0,iy=1,iz=2,clf=True):
"""
Generates a 3-dimensional plot of the data set and principle components
using mayavi.
ix, iy, and iz specify which of the input p-dimensions to place on each of
the x,y,z axes, respectively (0-indexed).
"""
import enthought.mayavi.mlab as M
if clf:
M.clf()
z3=np.zeros(3)
v=(self.getEigenvectors()*self.getEigenvalues())
M.quiver3d(z3,z3,z3,v[ix],v[iy],v[iz],scale_factor=5)
M.points3d(self.N[:,ix],self.N[:,iy],self.N[:,iz],scale_factor=0.3)
if self.names:
M.axes(xlabel=self.names[ix]+'/sigma',ylabel=self.names[iy]+'/sigma',zlabel=self.names[iz]+'/sigma')
else:
M.axes()
def do(self):
############################################################
# Imports.
from enthought.mayavi import mlab
############################################################
# Create a new scene and set up the visualization.
s = self.new_scene()
############################################################
# run all the "test_foobar" functions in the mlab module.
for name, func in getmembers(mlab):
if not callable(func) or not name[:4] in ('test', 'Test'):
continue
mlab.clf()
func()
# Mayavi has become too fast: the operator cannot see if the
# Test function was succesful.
sleep(0.1)
############################################################
# Test some specific corner-cases
import numpy
x, y, z = numpy.mgrid[1:10, 1:10, 1:10]
u, v, w = numpy.mgrid[1:10, 1:10, 1:10]
s = numpy.sqrt(u**2 + v**2)
mlab.clf()
# Test the extra argument "scalars"
mlab.quiver3d(x, y, z, u, v, w, scalars=s)
# Test surf with strange-shaped inputs
X, Y = numpy.ogrid[-10:10, -10:10]
Z = X**2 + Y**2
mlab.surf(X, Y, Z)
mlab.surf(X.ravel(), Y.ravel(), Z)
x, y, z = numpy.mgrid[-10:10, -10:10, -3:2]
mlab.flow(x, y, z)
# Test glyphs with number-only coordinnates
mlab.points3d(0, 0, 0, resolution=50)
def _plot3d(self, a, showCP, npoints):
"""
Internal plot function, use Spline.plot().
"""
if not isplot3d:
raise NotImplementedError('Lacking Mayavi to do the plotting.')
x = self(np.linspace(self.knots[2],self.knots[-3],npoints,endpoint=0))
k = self(np.hstack((self.knots[2:-3],self.knots[-3]-1e-15)))
ml.plot3d(x[:,a[0]],x[:,a[1]],x[:,a[2]],color=(.5,.2,.3))
ml.points3d(k[:,a[0]],k[:,a[1]],k[:,a[2]],
color=(.5,.2,.3),scale_factor=.3)
if showCP:
ml.plot3d(self.cp[:,a[0]], self.cp[:,a[1]],
self.cp[:,a[2]], color=(.2,.4,.4))
ml.points3d(self.cp[:,a[0]], self.cp[:,a[1]],
self.cp[:,a[2]], color=(.2,.4,.4), scale_factor=.3)
ml.show()
def plot_points(pts,
color=(1., 1., 1.),
scale_factor=0.02,
mode='point',
scalar_list=None):
if scalar_list != None:
mlab.points3d(pts[0, :].A1,
pts[1, :].A1,
pts[2, :].A1,
scalar_list,
mode=mode,
scale_factor=scale_factor)
mlab.colorbar()
else:
mlab.points3d(pts[0, :].A1,
pts[1, :].A1,
pts[2, :].A1,
mode=mode,
color=color,
scale_factor=scale_factor)
def plot_normals(pts,
normals,
curvature=None,
mask_points=1,
color=(0., 1., 0.),
scale_factor=0.1):
x = pts[0, :].A1
y = pts[1, :].A1
z = pts[2, :].A1
u = normals[0, :].A1
v = normals[1, :].A1
w = normals[2, :].A1
if curvature != None:
curvature = np.array(curvature)
#idxs = np.where(curvature>0.03)
#mlab.points3d(x[idxs],y[idxs],z[idxs],curvature[idxs],mode='sphere',scale_factor=0.1,mask_points=1)
mlab.points3d(x,
y,
z,
curvature,
mode='sphere',
scale_factor=0.1,
mask_points=1,
color=color)
# mlab.points3d(x,y,z,mode='point')
mlab.colorbar()
else:
mlab.points3d(x, y, z, mode='point')
mlab.quiver3d(x,
y,
z,
u,
v,
w,
mask_points=mask_points,
scale_factor=scale_factor,
color=color)
def generate_mayavi_point_plot(self, srcid_sciclasses_list):
""" Generate a Mayavi mlab 3D plot which summarizes iterative
classification of a TUTOR source over the number of epochs
used/added.
"""
# # # # # # # # #
# TODO: I should label which science class by color, as Y axis labels
from enthought.mayavi.scripts import mayavi2
mayavi2.standalone(globals())
from enthought.mayavi import mlab
epoch_ids = [0] # x
class_groups = [0] # y
probs = [0] # z
styles = [0] # numbers used for coloring & glyph sizes
for src_id,sci_classes in srcid_sciclasses_list:
#print 'src_id:', src_id
i = 0
for class_name, class_dict in sci_classes.class_dict.iteritems():
epoch_ids.extend(class_dict['epoch_ids'])
class_groups.extend([1]*len(class_dict['epoch_ids']))
probs.extend(class_dict['probs'])
styles.extend([i + 1]*len(class_dict['epoch_ids']))
i += 1
mlab.points3d(numpy.array(epoch_ids),
numpy.array(class_groups),
numpy.array(probs)*100.0,
numpy.array(styles),
colormap="Paired",
scale_mode="none",
scale_factor=2.0)
mlab.axes(xlabel='N of epochs',
ylabel='science class',
zlabel='% Prob.')
def test_several_scene_models(self):
""" Check that plotting to scene attributes using their
mlab attribute does create objects as children, and does not
unset the current scene
"""
class TestObject(HasTraits):
scene1 = Instance(MlabSceneModel, ())
scene2 = Instance(MlabSceneModel, ())
test_object = TestObject()
x, y, z = np.random.random((3, 10))
plt = mlab.plot3d(x, y, z, figure=test_object.scene1.mayavi_scene)
pts = mlab.points3d(x, y, z, figure=test_object.scene2.mayavi_scene)
# Check that each figure got the module it should have
self.assertEqual(plt.scene, test_object.scene1)
self.assertEqual(pts.scene, test_object.scene2)
def plot_particles3d(self,clf=True,**kwargs):
"""
Plots the particle locations in a 3d projection with mayavi.
:param bool clf: If True, clear figure before plotting.
kwargs are passed into :func:`enthought.mayavi.mlab.points3d`.
:returns: The result of the plotting command
"""
from enthought.mayavi import mlab as M
if clf:
M.clf()
args = list(self._pos.T)
args.append(self._mass)
kwargs.setdefault('mode','point')
return M.points3d(*args,**kwargs)
def mayavi(structure, N=10):
""" import this module and run mayavi to see the divide and conquer boxes.
Enjoy and play around.
"""
from enthought.mayavi.mlab import points3d
from pylada.crystal.cppwrappers import periodic_dnc
mesh, boxes = periodic_dnc(structure, nperbox=30, overlap=0.25, return_mesh = True)
x, y, z, s = [], [], [], []
for i, box in enumerate(boxes):
if i == N: continue
x.extend([(atom.pos[0] + trans[0]) for atom, trans, inbox in box if inbox])
y.extend([(atom.pos[1] + trans[1]) for atom, trans, inbox in box if inbox])
z.extend([(atom.pos[2] + trans[2]) for atom, trans, inbox in box if inbox])
s.extend([0.5 for atom, trans, inbox in box if inbox])
points3d(x,y,z,s, scale_factor=0.1, colormap="copper")
x, y, z, s = [], [], [], []
for i, box in enumerate(boxes):
if i < N: continue
x.extend([(atom.pos[0] + trans[0]) for atom, trans, inbox in box if inbox])
y.extend([(atom.pos[1] + trans[1]) for atom, trans, inbox in box if inbox])
z.extend([(atom.pos[2] + trans[2]) for atom, trans, inbox in box if inbox])
s.extend([float(i+1) + (0. if inbox else 0.4) for atom, trans, inbox in box if inbox])
break
points3d(x,y,z,s, scale_factor=0.004, colormap="autumn")
x, y, z, s = [], [], [], []
for i, box in enumerate(boxes):
if i < N: continue
x.extend([(atom.pos[0] + trans[0]) for atom, trans, inbox in box if not inbox])
y.extend([(atom.pos[1] + trans[1]) for atom, trans, inbox in box if not inbox])
z.extend([(atom.pos[2] + trans[2]) for atom, trans, inbox in box if not inbox])
s.extend([float(i+2) + (0. if inbox else 0.4) for atom, trans, inbox in box if not inbox])
break
points3d(x,y,z,s, scale_factor=0.01, opacity=0.3)
fgcolor=(0.0, 0.0, 0.0),
size=(1200, 900))
surf2 = mlab.contour3d(x,y,z,scidata_cleana,contours=[10],\
opacity=0.5, colormap='RdYlBu', name='[O III]-1')
mlab.outline()
surf3 = mlab.contour3d(x,y,z,scidata_cleana,contours=[40],\
opacity=1, colormap='Blues', name='[O III]-2')
surf5 = mlab.contour3d(x_b,y_b,z_b,scidata_cleanb,contours=[10],\
opacity=0.1,colormap='autumn', name='Hbeta')
surf6 = mlab.points3d((stars[:, 0] - size_x / 2) * 0.5 * astopc,
(stars[:, 1] - size_y / 2.) * 0.5 * astopc,
stars[:, 0] * 0.0,
stars[:, 2] * 0.5 * astopc * 2,
color=(0, 0, 0),
scale_factor=1,
name='Stars')
# Now to make it look decent ...
ax = mlab.axes(extent=[-10, 10, -12, 12, -7, 7], nb_labels=5)
ax.axes.fly_mode = 'outer_edges'
ax.title_text_property.font_size = 10
ax.title_text_property.font_family = 'courier'
ax.label_text_property.font_family = 'courier'
# And a bit of references if anyone is interested ...
mlab.text(
0.05,
0.95,
# Now, visualize the connectivity in 3D
try:
from enthought.mayavi import mlab
except:
from mayavi import mlab
mlab.figure(size=(600, 600), bgcolor=(0.5, 0.5, 0.5))
# Plot the sensor locations
sens_loc = [raw.info['chs'][picks[i]]['loc'][:3] for i in idx]
sens_loc = np.array(sens_loc)
pts = mlab.points3d(sens_loc[:, 0],
sens_loc[:, 1],
sens_loc[:, 2],
color=(1, 1, 1),
opacity=1,
scale_factor=0.005)
# Get the strongest connections
n_con = 20 # show up to 20 connections
min_dist = 0.05 # exclude sensors that are less than 5cm apart
threshold = np.sort(con, axis=None)[-n_con]
ii, jj = np.where(con >= threshold)
# Remove close connections
con_nodes = list()
con_val = list()
for i, j in zip(ii, jj):
if linalg.norm(sens_loc[i] - sens_loc[j]) > min_dist:
con_nodes.append((i, j))
x, y, z = np.mgrid[:6, :7, :8]
c = np.zeros((6, 7, 8), dtype=np.int)
c.fill(1)
k = np.random.randint(2, 5, size=(6, 7))
idx_i, idx_j, _ = np.ogrid[:6, :7, :8]
idx_k = k[:, :, np.newaxis] + np.arange(3)
c[idx_i, idx_j, idx_k] = np.random.randint(2, 6, size=(6, 7, 3))
mlab.points3d(x[c > 1],
y[c > 1],
z[c > 1],
c[c > 1],
mode="cube",
scale_factor=0.8,
scale_mode="none",
transparent=True,
vmin=0,
vmax=8,
colormap="Greys")
mlab.points3d(x[c == 1],
y[c == 1],
z[c == 1],
c[c == 1],
mode="cube",
scale_factor=0.8,
scale_mode="none",
transparent=True,
vmin=0,