#!/usr/bin/python
import Manifold
import ManifoldVTK
import Utils
import operator
import sys
import numpy
coords = Utils.read_point_file("./datasets/swissroll.txt")
embedded_coords, mapping = Manifold.do_embedding(coords, k=10)
coords = coords.take(mapping, axis=0)
nb_points = len(coords)
# sorting
sorted_index = list(index
for index, item in sorted(enumerate(embedded_coords[:, 0]),
key=operator.itemgetter(1)))
colors = [(255, 255, 255) for i in range(0, nb_points)]
for i in range(0, nb_points):
if i < nb_points / 2:
f = float(i) / float(nb_points / 2)
color = (0, f * 255, 255 - f * 255)
#color = ( 0, 0, 255 )
else:
f = float(i - nb_points / 2) / float(nb_points / 2)
color = (f * 255, 255 - f * 255, 0)
#color = ( 255, 0, 0 )
#!/usr/bin/python
import Manifold
import ManifoldPIL
import Utils
from glob import glob
import argparse
parser = argparse.ArgumentParser(usage="usage: %(prog)s directory")
parser.add_argument('image_directory',
metavar='image_directory',
help='directory of images to process')
args = parser.parse_args()
filenames = glob(args.image_directory + '/*')
coords = Utils.read_images(filenames)
embedded_coords, mapping = Manifold.do_embedding(coords, tree='spilltree')
ManifoldPIL.render2D([filenames[i] for i in mapping], embedded_coords)
#!/usr/bin/python
import Manifold
import ManifoldVTK
import Utils
import operator
import sys
import numpy
coords = Utils.read_point_file("./datasets/swissroll.txt")
embedded_coords, mapping = Manifold.do_embedding(coords,k=10)
coords = coords.take(mapping,axis=0)
nb_points = len(coords)
# sorting
sorted_index = list( index for index, item in sorted( enumerate( embedded_coords[:,0] ),
key=operator.itemgetter(1)
) )
colors = [(255,255,255) for i in range(0,nb_points)]
for i in range(0,nb_points):
if i < nb_points / 2:
f = float(i) / float(nb_points / 2)
color = ( 0, f*255, 255 - f*255 )
#color = ( 0, 0, 255 )
else:
f = float(i - nb_points / 2) / float(nb_points / 2)
color = ( f*255, 255 - f*255, 0 )
#color = ( 255, 0, 0 )
#!/usr/bin/python
import Manifold
import ManifoldPIL
import Utils
from glob import glob
import argparse
parser = argparse.ArgumentParser(
usage = "usage: %(prog)s directory" )
parser.add_argument(
'image_directory',
metavar='image_directory',
help='directory of images to process' )
args = parser.parse_args()
filenames = glob(args.image_directory + '/*')
coords = Utils.read_images(filenames)
embedded_coords, mapping = Manifold.do_embedding(coords,tree='spilltree')
ManifoldPIL.render2D([ filenames[i] for i in mapping], embedded_coords)