from src.grumpy import BBTree
import sys
import io
from PIL import Image as PIL_Image
bt = BBTree()
bt.set_display_mode('pygame')
line_number = 1
file_ = open('p0201_GLPK.vbc', 'r')
#for line in sys.stdin:
for line in file_:
bt.ProcessLine(line)
#To print out snapshots of the tree
if line_number % 100000 != 0:
continue
imagefile = open('tree-' + str(line_number) + '.png', 'w')
imagefile.write(bt.GenerateTreeImage())
imagefile.close()
#gnuplot_image = bt.GenerateHistogram()
gnuplot_image = io.StringIO(bt.GenerateTreeImage())
#gnuplot_image = bt.GenerateScatterplot()
#gnuplot_image = bt.GenerateIncumbentPath()
#gnuplot_image = bt.GenerateForecastImages()
im = PIL_Image.open(gnuplot_image)
im.show()
#bt.display_all()
bt.set_display_mode('file')
bt.display()
"$"+str(branch_var) + " \leq " + str(rhs) + "$")
else:
T.set_edge_attr(parent, cur_index, 'label',
str(branch_var) + sense + str(rhs))
if ETREE_INSTALLED and display_mode == 'svg':
T.write_as_svg(filename = "node%d" % iter_count,
prevfile = "node%d" % (iter_count - 1),
nextfile = "node%d" % (iter_count + 1),
highlight = cur_index)
iter_count += 1
if ((PYGAME_INSTALLED and display_mode == 'pygame')
or (XDOT_INSTALLED and display_mode == 'xdot')):
numNodes = len(T.get_node_list())
if numNodes % display_interval == 0 and not layout != 'ladot':
T.display(highlight = [cur_index])
elif gexf_installed and display_mode == 'gexf':
T.write_as_dynamic_gexf("graph")
if status == 'C':
# Branching:
# Choose a variable for branching
branching_var = -1
if branch_strategy == FIXED:
#fixed order
for i in VARIABLES:
frac = min(var[i].varValue-math.floor(var[i].varValue),
math.ceil(var[i].varValue) - var[i].varValue)
if (frac > 0):
min_frac = frac
from src.grumpy import BBTree
import sys
import io
from PIL import Image as PIL_Image
bt = BBTree()
bt.set_display_mode('pygame')
line_number = 1
file_ = open('p0201_GLPK.vbc', 'r')
#for line in sys.stdin:
for line in file_:
bt.ProcessLine(line)
#To print out snapshots of the tree
if line_number%100000 != 0:
continue
imagefile = open('tree-'+str(line_number)+'.png','w')
imagefile.write(bt.GenerateTreeImage())
imagefile.close()
#gnuplot_image = bt.GenerateHistogram()
gnuplot_image = io.StringIO(bt.GenerateTreeImage())
#gnuplot_image = bt.GenerateScatterplot()
#gnuplot_image = bt.GenerateIncumbentPath()
#gnuplot_image = bt.GenerateForecastImages()
im = PIL_Image.open(gnuplot_image)
im.show()
#bt.display_all()
bt.set_display_mode('file')
bt.display()
"$" + str(branch_var) + " \leq " + str(rhs) + "$")
else:
T.set_edge_attr(parent, cur_index, 'label',
str(branch_var) + sense + str(rhs))
if ETREE_INSTALLED and display_mode == 'svg':
T.write_as_svg(filename="node%d" % iter_count,
prevfile="node%d" % (iter_count - 1),
nextfile="node%d" % (iter_count + 1),
highlight=cur_index)
iter_count += 1
if ((PYGAME_INSTALLED and display_mode == 'pygame')
or (XDOT_INSTALLED and display_mode == 'xdot')):
numNodes = len(T.get_node_list())
if numNodes % display_interval == 0 and not layout != 'ladot':
T.display(highlight=[cur_index])
elif gexf_installed and display_mode == 'gexf':
T.write_as_dynamic_gexf("graph")
if status == 'C':
# Branching:
# Choose a variable for branching
branching_var = -1
if branch_strategy == FIXED:
#fixed order
for i in VARIABLES:
frac = min(var[i].varValue - math.floor(var[i].varValue),
math.ceil(var[i].varValue) - var[i].varValue)
if (frac > 0):
min_frac = frac
except ImportError:
from src.grumpy import BBTree
from inspect import getfile
from os.path import join, dirname
import sys
import io
bt = BBTree()
line_number = 0
#for line in sys.stdin:
instance = join(dirname(getfile(coinor.grumpy.examples)), 'p0201_GLPK.vbc')
with open(instance, 'r') as file_:
bt.set_display_mode('file')
for line in file_:
line_number += 1
bt.ProcessLine(line)
#To print out snapshots of the tree
if line_number % 100 != 0:
continue
bt.display('tree', 'tree-' + str(line_number))
#bt.write_image(bt.GenerateHistogram())
bt.set_display_mode('matplotlib')
bt.display('tree')
#bt.write_image(bt.GenerateScatterplot())
#bt.write_image(bt.GenerateIncumbentPath())
#bt.write_image(bt.GenerateForecastImages())
bt.set_display_mode('file')
bt.display('tree', 'tree-final')