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# $Id: xw02.py 12288 2013-01-30 04:40:35Z airwin $
# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Alan W. Irwin
# Multiple window and color map 0 demo.
#
# This file is part of PLplot.
#
# PLplot is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PLplot is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
from plplot_py_demos import *
# Demonstrates multiple windows and default color map 0 palette.
# Draws a set of numbered boxes with colors according to cmap0 entry
def draw_windows(nw, cmap0_offset):
plschr(0.0, 3.5)
plfont(4)
for i in range(nw):
plcol0(i+cmap0_offset)
pladv(0)
vmin = 0.1
vmax = 0.9
for j in range(3):
plwidth(j + 1)
plvpor(vmin, vmax, vmin, vmax)
plwind(0.0, 1.0, 0.0, 1.0)
plbox("bc", 0.0, 0, "bc", 0.0, 0)
vmin = vmin + 0.1
vmax = vmax - 0.1
plwidth(1)
plptex(0.5, 0.5, 1.0, 0.0, 0.5, `i`)
# Demonstrate multiple windows and default color map 0 palette.
def demo1():
plbop()
# Divide screen into 16 regions
plssub(4, 4)
draw_windows(16,0)
pleop()
def demo2():
lmin = 0.15
lmax = 0.85
plbop()
# Divide screen into 100 regions
plssub(10,10)
r = zeros(116,"int")
g = zeros(116,"int")
b = zeros(116,"int")
for i in range(100):
h = (360./10.) * (i%10)
l = lmin + (lmax-lmin)*(i/10)/9
s = 1.0
rgb = plhlsrgb(h, l, s)
r[i+16] = rgb[0]*255.001
g[i+16] = rgb[1]*255.001
b[i+16] = rgb[2]*255.001
# Load default cmap0 colors into out custom set
for i in range(16):
rgb = plgcol0(i)
r[i] = rgb[0]
g[i] = rgb[1]
b[i] = rgb[2]
# Now set cmap0 all at once (faster, since fewer driver calls)
plscmap0(r,g,b)
draw_windows(100,16)
pleop()
def main():
# For starting from scratch this call to pladv increments cursub, but
# then the following plssub sets it to zero so the whole thing is
# essentially a nop. However, for the case when other examples are run
# first, this call to pladv is absolutely essential to finish the
# preceding page.
pladv(0)
# Run demos
demo1()
demo2()
# Restore defaults
plssub(1, 1)
plfont(1)
# plcol0(1)
pleop()
main()
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