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## Automatically adapted for scipy Oct 31, 2005 by
# Copyright (c) 1996, 1997, The Regents of the University of California.
# All rights reserved. See Legal.htm for full text and disclaimer.
from scipy import *
from numpy.core.umath import *
GraphicsError = "GraphicsError"
import os
try:
graphics = os.environ["PYGRAPH"]
except KeyError:
graphics = "Gist"
if graphics [0:3] == "Nar" :
import NarPlotter
elif graphics == "Gist" :
import GistPlotter
else :
raise GraphicsError , \
graphics + " is an unknown graphics package. Check PYGRAPH " + \
"environment variable."
if graphics [0:3] == "Nar" :
print "This is a test of the Python interface to the Limeil Lab graphics"
print "package, Narcisse. You need Narcisse to be running. Fire it up by"
print "doing setenv PORT_SERVEUR 0, typing /dist/basis/Narcisse/bin/Narcisse &,"
print "and then do another senetv PORT_SERVEUR to the port number which"
print "appears in the Narcisse GUI."
else :
print "This is a test of the Python interface to the Gist graphics package."
print "Invoke function demo () to run."
from plane import *
from surface import Surface
from graph3d import Graph3d
from mesh3d import *
from numpy.corelinalg import rand
def paws ( ) :
i = raw_input ("Type in any string to continue; ^C to return to prompt. ")
return
def demo () :
# vsf = 0.
# c = 1
s = 1000.
kmax = 25
lmax = 35
# The following computations define an interesting 3d surface.
xr = multiply.outer (
arange (1, kmax + 1, dtype = Float), ones (lmax, Float))
yr = multiply.outer (
ones (kmax, Float), arange (1, lmax + 1, dtype = Float))
zt = 5. + xr + .2 * rand (kmax, lmax) # ranf (xr)
rt = 100. + yr + .2 * rand (kmax, lmax) # ranf (yr)
z = s * (rt + zt)
z = z + .02 * z * rand (kmax, lmax) # ranf (z)
ut = rt / sqrt (rt ** 2 + zt ** 2)
vt = zt / sqrt (rt ** 2 + zt ** 2)
ireg = multiply.outer ( ones (kmax), ones (lmax))
ireg [0:1, 0:lmax] = 0
ireg [0:kmax, 0:1] = 0
ireg [1:15, 7:12] = 2
ireg [1:15, 12:lmax] = 3
ireg [3:7, 3:7] = 0
freg = ireg + .2 * (1. - rand (kmax, lmax)) # ranf (ireg))
freg = array (freg, Float)
#rt [4:6, 4:6] = -1.e8
z [3:10, 3:12] = z [3:10, 3:12] * .9
z [5, 5] = z [5, 5] * .9
z [17:22, 15:18] = z [17:22, 15:18] * 1.2
z [16, 16] = z [16, 16] * 1.1
s1 = Surface (z = z, mask = "max", opt_3d = ["wm", "i3"])
g1 = Graph3d ( s1 , titles = "Surface with contour lines",
xyequal = 1., hardcopy = "talk.ps",
theta = 45., phi = 10., roll = 0.)
g1.plot ( )
paws ( )
s1.set (opt_3d = ["wm", "f3"])
g1.change (titles = "Flat mode")
g1.plot ()
paws ()
s1.set (opt_3d = ["wm", "s3"])
g1.change (titles = "Smooth mode")
g1.plot ()
paws ()
s1.new (x = xr, y = yr, z = z - z [kmax/2, lmax/2],
mask = "max", opt_3d = ["wm" , "i3"])
s11 = sslice (s1, Plane (array ( [0., 0., 1.]), array ( [0., 0., 0.])))
g1.replace (1, s11)
## g1.change ( titles = "Part of surface above xy plane", phi = 30.,
## y_factor = 2.0,
## axis_limits = [[0., 0.],[0., 0.], [0., 100000.]])
g1.change ( titles = "Part of surface above xy plane",
y_factor = 2.0,
axis_limits = [[0., 0.],[0., 0.], [0., 100000.]])
g1.plot ( )
paws ( )
s1.set (opt_3d = ["wm", "f3"])
s11 = sslice (s1, Plane (array ( [0., 0., 1.]), array ( [0., 0., 0.])))
g1.replace (1, s11)
g1.change (titles = "Flat mode")
g1.plot ()
paws ()
s1.set (opt_3d = ["wm", "s3"])
s11 = sslice (s1, Plane (array ( [0., 0., 1.]), array ( [0., 0., 0.])))
g1.replace (1, s11)
g1.change (titles = "Smooth mode")
g1.plot ()
paws ()
s1.set (z = z, c = freg, opt_3d = ["wm", "s4"])
## s1 = Surface (x = xr, y = yr, z = z, c = freg, opt_3d = ["wm", "s4"])
g1.replace (1, s1)
g1.change ( titles = "Surface colored by mesh values", phi = 20.,
xyequal = 1,
axis_limits = [[0., 0.], [0., 0.], [0., 0.], [0., 0.]])
g1.plot ( )
paws ( )
xr1 = zeros ( (16, 7), Float)
yr1 = zeros ( (16, 7), Float)
z1 = zeros ( (16, 7), Float)
zs1 = zeros ( (16, 7), Float)
for i in range (16) :
for j in range (7) :
xr1 [i, j] = xr [i, j+6]
yr1 [i, j] = yr [i, j+6]
z1 [i, j] = z [i, j+6]
zs1 [i, j] = freg [i, j+6]
s1.set (x = xr1, y = yr1, z = z1, c = zs1)
g1.change ( titles = "Region 2 colored by mesh values", phi = 10.)
g1.plot ( )
paws ( )
s1.new (x = xr1, y = yr1, z = z1, opt_3d = ["wm", "s3"], mask = "max")
g1.change ( titles = "Region 2 with mesh and contours", phi = 10.)
g1.plot ( )
paws ()
s1.set (opt_3d = "s3")
g1.change ( titles = "Region 2 with contours alone")
g1.plot ()
paws ( )
zs1 = zeros ( (16, lmax - 7), Float)
for i in range (16) :
for j in range (lmax - 7) :
zs1 [i, j] = z [i, j+6]
s1.new (z = zs1, opt_3d = ["wm", "s3"], mask = "max")
g1.change ( titles = "Regions 2 and 3, mesh and contours",
theta = 70., phi = 10., roll = 0.)
g1.plot ( )
paws ( )
s1.set (opt_3d = "s3")
g1.change ( titles = "Regions 2 and 3, contours alone")
g1.plot ( )
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