def demo ( ) :
c1 = Curve ( y = [0,1] , marks = 1 , marker = "A")
pl = Plotter ( dpi = 75 )
g1 = Graph2d ( c1, plotter = pl , titles = "Curve marked with A" ,
title_colors = "blue")
g1.plot ( )
print "\nA small (75 dpi) window with line marked A from (0,0) to (1,1)."
paws ( )
# pl = Plotter ( dpi = 100 )
# g1 = Graph2d ( c1, plotter = pl , titles = "Curve marked with A" ,
# title_colors = "fg")
# g1.plot ( )
# print "\nA large (100 dpi) window with line marked A from (0,0) to (1,1)."
# paws ( )
c2 = Curve ( y = [1,0] , marks = 1 , marker = "B")
g1.add (c2)
g1.change (titles = "New curve marked B.")
g1.plot ( )
print "\nAdded line marked B from (0,1) to (1,0) in previous plot."
paws ( )
c1.set ( x = [1,2] )
c2.set ( x = [1,2] )
g1.change (axis_scales = "loglin", titles = "Same, x axis now logarithmic.")
g1.plot ( )
print "\nSame, x axis now logarithmic."
paws ( )
g1.change (x_axis_scale = "lin", titles = "x axis back to linear.")
g1.plot ( )
print "\nSame, x axis now linear again."
paws ( )
g1.change(axis_limits=[[1.2,1.8],[0.2,0.8]],
titles="Limits now 1.2<x<1.8, 0.2<y<0.8.")
g1.plot ( )
print "\nLimits now 1.2<x<1.8, 0.2<y<0.8."
paws ( )
# g1.change(y_axis_limits=[0.4,0.6],
# titles="Limits now 1.2<x<1.8, 0.4<y<0.6")
# g1.plot ( )
# print "\nLimits now 1.2<x<1.8, 0.4<y<0.6"
# paws ( )
g1.change(axis_limits="defaults",
titles="Limits now back to extreme values.")
g1.plot ( )
print "\nLimits now back to extreme values."
paws ( )
x=10*pi*arange(200, dtype = Float)/199.0
c1 = Curve ( x = x , y = sin(x),marks = 1, marker= "A")
g1.delete (2)
g1.delete (1)
g1.add (c1)
g1.change (titles = "Five cycles of a sine wave, marked A.")
g1.plot ( )
print "\nFive cycles of a sine wave."
paws ( )
c1.set(marks = 0, width = 6 , type = "dash")
g1.change (titles = "A mark gone, bold dashed.")
g1.plot ( )
print "\nTurn off A marker, plot curve as bold dashed."
paws ( )
x=2*pi*arange(200, dtype = Float)/199.0
crvs = []
for i in range (1,7) :
r = 0.5*i -(5-0.5*i)*cos(x)
s = `i`
crvs.append(Curve(y=r*sin(x),x=r*cos(x),marks=0, color=-4-i,label=s))
g1=Graph2d(crvs,plotter = pl,titles="Nested cardioids in colors")
g1.plot ( )
print "\nNested cardioids in primary and secondary colors."
paws()
g1.change(titles = ["colors","cardioids","Nested","in many"],
title_colors = ["red","yellow","magenta","blue"])
g1.plot ( )
print "\nThe same with four titles in many colors."
paws()
mks = ['.','+','*','o','x','A']
for i in range (1,7) :
crvs[i-1].set (color="fg", type = 0, marker = mks[i-1])
g1.change (titles = "Marked curves", title_colors = "fg")
g1.plot ( )
print "\nChanges color to foreground, types to no lines."
print "Markers are point, plus, asterisk, circle, cross, and A."
paws()
for i in range (1,6) :
crvs[i-1].set (marks = 0, type = i-1)
crvs[i].set (type = 1, width = 4)
g1.change (titles = "Different curve types.")
print "\nChanges line types to solid, dash, dot, dashdot, dashdotdot."
print "Outermost cardioid becomes a thick solid curve."
g1.plot()
paws ()
ValueError = "ValueError"
x=a3(-1,1,26)
y=transpose (x)
zz=x+1j*y
zz=5.*zz/(5.+zz*zz)
xx=zz.real
yy=zz.imag
q1 = QuadMesh ( x=array(xx, copy = 1), y=array(yy, copy = 1) )
g1.new(q1, plotter = pl, titles = "Round mesh with bites out of sides",
axis_limits = [[min(ravel(xx)),max(ravel(xx))],
[min(ravel(yy)),max(ravel(yy))]])
g1.plot()
print "\nQuadrilateral mesh -- round with bites out of its sides."
paws ( )
q1.set (boundary = 1, vx = x+.5, vy=y-.5,ktype = "none", ltype = "none")
g1.change(titles = "Vector field on mesh.")
g1.plot ( )
print "\nVelocity vectors. Try zooming and panning with mouse."
paws ( )
q1.set (vx = None, vy = None, z = mag (x+.5,y-.5),marks = 1,
boundary=1,boundary_type="dash",marker="A")
g1.change(titles = "Lettered contour plot, dashed boundary.")
g1.plot ( )
print "\nLettered contours, with boundary dashed."
paws ( )
q1.set (filled=1, type = "dash", color = "white")
g1.plot ( )
print "\nFilled lettered dashed contours, with boundary dashed."
paws ()
q1.set(marks = 0,boundary_type="solid",levels=array([0.5,1.0,1.5]),
filled=1, contours = 1, type = "dash", color = "white",
width = 3)
g1.change(titles = "Filled mesh, dashed contours")
g1.plot ( )
print "\nFilled mesh (color only) with three dashed contours overlaid."
paws()
print "\nAfter each new palette is installed, hit <RETURN> for the next."
pal=["heat.gp","stern.gp","rainbow.gp","gray.gp","yarg.gp","earth.gp"]
for i in range(6):
g1.quick_plot(color_card = pal[i],titles = "Palette " + pal[i])
# g1.plot ( )
paws ( )
pal = ["vg.gs", "boxed.gs", "vgbox.gs", "nobox.gs", "work.gs"]
q1.set (marks = 1,boundary_type="dash",levels = 8, filled = 0, color = "fg")
for i in range (5) :
pl.set_style (pal [i])
## g1 = Graph2d (q1, plotter = pl, titles = "Style Name: " + pal[i])
g1.change (plotter = pl, titles = "Style Name: " + pal[i])
g1.plot ( )
paws ( )
x=a3(-6,6,200)
y=transpose (x)
r=mag(y,x)
theta=arctan2(y,x)
funky=cos(r)**2*cos(3*theta)
c1 = CellArray(z=funky)
g1.replace (1,c1)
g1.change (color_card = "earth.gp",
titles ="Cell array, three cycles in theta,r",
axis_limits = "defaults")
g1.plot()
paws()
theta = a2 (0, 2*pi, 18)
x = cos (theta)
y = sin (theta)
ln = Lines (x0 = x, y0 = y, x1 = transpose (x), y1 = transpose (y))
g1 = Graph2d (ln, plotter = pl, xyequal = 1, titles = "Seventeen pointed star.")
g1.plot ()
print "\nAll 17 pointed stars."
paws ( )
print "\nNext we will see a lissajous-style animation."
print "First run without animation mode."
print "Second run with animation mode."
anim = Animation2d ( initialize = init, calculations = [calc1, calc2],
update = incr, animation = 0, nsteps = 200 )
g1 = Graph2d ( anim , plotter = pl)
g1.plot ( )
paws ( )
anim.set (animation = 1)
g1.plot ( )
def demo () :
vsf = 0.
c = 1
s = 1000.
kmax = 25
lmax = 35
pl1 = gr.Plotter (" ")
c1 = Curve ( y = arange (1, kmax+1, dtype = Float) , color = "yellow" )
g2 = Graph2d ( c1 , plotter = [pl1], titles = ["Bottom of the Barrel", "Top Dog",
"Leftist", "Reaganist"] )
g2.plot ( )
paws ( )
c2 = Curve ( y = sqrt (arange (1, kmax+1, dtype = Float)**3) , color = "blue")
g2.add ( c2 )
g2.plot ( )
paws ( )
c1.set (marks = 1, marker = "A")
c2.set (marks = 1, marker = "B")
g2.plot ( )
paws ( )
c1.set (marks = 0)
c2.set (marks = 0)
c1.set (width = 3.0)
c2.set (width = 4.0)
g2.plot ( )
paws ( )
c1.set (type = "dash")
c2.set (type = "dashdot")
g2.plot ( )
paws ( )
g2.delete ( 1 )
g2.plot ( )
paws ( )
mycolor= ["red", "blue", "yellow", "green", "orange", "purple"]
markers= ["+", "*", "o", "x", "."]
c5 = [ ]
for i in range (len (markers)) :
c5.append ( Curve (
y = exp (array (multiply ((1.0+(i+1)/10.), log (range (1, kmax))))) ,
color = mycolor [i] , marks = 1, marker = markers [i] ,
type = "none" )
)
g2.new ( c5 , text="Line style and grid test" , text_color="black" ,
plotter = [pl1],
text_pos = array ( [.2, .8]) , text_size = 60 ,
titles = "Figure 1")
g2.plot ( )
paws ( )
g2.quick_plot ( grid_type = "wide" )
paws ( )
part1 = abs (array ( [-5, -4, -3, -2, -1, .0000000001] ) )
c1.new ( y = part1, x = arange (-5, 1, dtype = Float) ,
type="line" , color = "blue" )
part2 = array ( [.0000000001, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] )
c2.new ( y = part2 , x = arange (0, 11, dtype = Float) ,
type = "line" , color = "blue" )
g2.new ( [c1, c2] , text = " " , axis_scales = "linlog" , titles = " " ,
old_plotter = 1,
axis_limits = array ( [[-6., 10.], [1.e-6, 10.]]))
g2.plot ( )
paws ( )
c1.new ( y = array (exp (multiply (log (10.0), range (-50, 1)))) ,
x = arange (1, 52, dtype = Float) )
g2.new ( c1 , axis_scales = "loglog" ,
old_plotter = 1,
axis_limits = array ( [[1., 100.], [1.e-8, 1.]]))
g2.plot ( )
paws ( )
c1.new ( y = array ( [1.e-48, 1.e-21, 0., 0., 0.]) )
g2.new ( c1 , axis_scales = "linlin" ,
old_plotter = 1,
axis_limits = array ( [[0., 0.], [0., 0.]]))
g2.plot ( )
c = 1
s = 1000.
kmax = 25
lmax = 35
c1 = Curve ( y = arange (1, kmax+1, dtype = Float) , color = "yellow" )
g2 = Graph2d ( c1 , titles = ["Bottom of the Barrel", "Top Dog",
"Leftist", "Reaganist"] )
g2.plot ( )
paws ( )
c2 = Curve ( y = sqrt (arange (1, kmax+1, dtype = Float)**3) ,
color = "blue")
g2.add ( c2 )
g2.plot ( )
paws ( )
c1.set (marks = 1, marker = "A")
c2.set (marks = 1, marker = "B")
g2.plot ( )
paws ( )
c1.set (marks = 0)
c2.set (marks = 0)
c1.set (width = 3.0)
c2.set (width = 4.0)
g2.plot ( )
paws ( )
c1.set (type = "dash")
c2.set (type = "dashdot")
g2.plot ( )
paws ( )
g2.delete ( 1 )
g2.plot ( )
