#!/bin/sh """:" exec python $0 ${1+"$@"} """ # -------------------- HelloPostscript.py -------------------- # # This program demonstrates all methods available for # transforming the graph to postscript code (e.g. for hardcopy). # Note that this program does not do anything useful; # its purpose is to try out functionality only. # from Tkinter import * # The Tk package import Pmw # The Python MegaWidget package import math # import the sin-function master = Tk() # build Tk-environment ncurves = 4 # draw 4 curves npoints = 32 # use 32 points on each curve if not Pmw.Blt.haveblt(master): # Is Blt installed? print("BLT is not installed!") else: vector_x = [] # make vector for x-axis vector_y = [] for y in range(ncurves): vector_y.append([]) for x in range(npoints+1): vector_x.append(x*0.1) # fill vectors with cool graphs for c in range(ncurves): vector_y[c].append(math.sin(c*x*0.1)) g = Pmw.Blt.Graph(master) g.pack(expand=1, fill='both') for c in range(ncurves): curvename = 'sin(' + str(c) +'x)' g.line_create(curvename, xdata=tuple(vector_x), ydata=tuple(vector_y[c]), symbol='') g.configure(title='Hello Postscript') ########################## postscript_cget ############################ pheight = g.postscript_cget("paperheight") print "Default paperheight: ", pheight ######################## postscript_configure ######################### all = g.postscript_configure() print "All available options: ", for option in all.keys(): print option, print "\n" # alter the default postscript settings: g.postscript_configure( center = 0, # place plot in upper left corner colormode="gray", # grayscale rather than colors decorations=0) # and no decorations. ps = g.postscript_output() # get the ps-code print ps # print it to screen g.postscript_output("tmp.ps") # ..or more naturally, save it to file. master.mainloop()