--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data_generation/transformations/testtransformations.py	Fri Feb 26 14:15:38 2010 -0500
@@ -0,0 +1,156 @@
+#!/usr/bin/env python
+
+
+
+from pylearn.io import filetensor as ft
+import copy
+import pygame
+import time
+import numpy as N
+
+from ttf2jpg import ttf2jpg
+
+#from gimpfu import *
+
+
+from PoivreSel import PoivreSel
+from thick import Thick
+from BruitGauss import BruitGauss
+from DistorsionGauss import DistorsionGauss
+from PermutPixel import PermutPixel
+from gimp_script import GIMP1
+from Rature import Rature
+from contrast import Contrast
+from local_elastic_distortions import LocalElasticDistorter
+from slant import Slant
+from Occlusion import Occlusion
+from add_background_image import AddBackground
+from affine_transform import AffineTransformation
+
+###---------------------order of transformation module
+MODULE_INSTANCES = [Slant(),Thick(),AffineTransformation(),LocalElasticDistorter(),GIMP1(),Rature(),Occlusion(), PermutPixel(),DistorsionGauss(),AddBackground(), PoivreSel(), BruitGauss(), Contrast()]
+
+###---------------------complexity associated to each of them
+complexity = 0.7
+#complexity = [0.5]*len(MODULE_INSTANCES)
+#complexity = [0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.]
+n=100
+
+def createimage(path,d):
+    for i in range(n):
+        screen.fill(0)
+        a=d[i,:]
+        off1=4*32
+        off2=0
+        for u in range(n):
+            b=N.asarray(N.reshape(a,(32,32)))
+            c=N.asarray([N.reshape(a*255.0,(32,32))]*3).T
+            new=pygame.surfarray.make_surface(c)
+            new=pygame.transform.scale2x(new)
+            new=pygame.transform.scale2x(new)
+            #new.set_palette(anglcolorpalette)
+            screen.blit(new,(0,0))
+            exemple.blit(new,(0,0))
+            
+            offset = 4*32
+            offset2 = 0
+            ct = 0
+            ctmp =  N.random.rand()*complexity
+            print u
+            for j in MODULE_INSTANCES:
+                #max dilation
+                #ctmp = N.random.rand()*complexity[ct]
+                ctmp = N.random.rand()*complexity 
+                #print j.get_settings_names(), j.regenerate_parameters(ctmp)
+                th=j.regenerate_parameters(ctmp)
+                
+                b=j.transform_image(b)
+                c=N.asarray([b*255]*3).T
+                new=pygame.surfarray.make_surface(c)
+                new=pygame.transform.scale2x(new)
+                new=pygame.transform.scale2x(new)
+                if u==0:
+                    #new.set_palette(anglcolorpalette)
+                    screen.blit(new,(offset,offset2))
+                    font = pygame.font.SysFont('liberationserif',18)
+                    text = font.render('%s '%(int(ctmp*100.0)/100.0) + j.__module__,0,(255,255,255),(0,0,0))
+                    #if  j.__module__ == 'Rature':
+                    #     text = font.render('%s,%s'%(th[-1],int(ctmp*100.0)/100.0) + j.__module__,0,(255,255,255),(0,0,0))
+                    screen.blit(text,(offset,offset2+4*32))
+                    if ct == len(MODULE_INSTANCES)/2-1:
+                        offset = 0
+                        offset2 = 4*32+20
+                    else:
+                        offset += 4*32
+                    ct+=1
+            exemple.blit(new,(off1,off2))
+            if off1 != 9*4*32:
+                off1+=4*32
+            else:
+                off1=0
+                off2+=4*32
+        pygame.image.save(exemple,path+'/perimages/%s.PNG'%i)
+        pygame.image.save(screen,path+'/exemples/%s.PNG'%i)
+ 
+
+
+
+nbmodule = len(MODULE_INSTANCES)
+
+pygame.surfarray.use_arraytype('numpy')
+
+#pygame.display.init()
+screen = pygame.Surface((4*(nbmodule+1)/2*32,2*(4*32+20)),depth=32)
+exemple = pygame.Surface((N.ceil(N.sqrt(n))*4*32,N.ceil(N.sqrt(n))*4*32),depth=32)
+
+anglcolorpalette=[(x,x,x) for x in xrange(0,256)]
+#pygame.Surface.set_palette(anglcolorpalette)
+#screen.set_palette(anglcolorpalette)
+
+pygame.font.init()
+
+d = N.zeros((n,1024))
+
+datapath = '/data/lisa/data/ocr_breuel/filetensor/unlv-corrected-2010-02-01-shuffled.ft'
+f = open(datapath)
+d = ft.read(f)
+d = d[0:n,:]/255.0
+createimage('/u/glorotxa/transf/OCR',d)
+
+
+
+datapath = '/data/lisa/data/nist/by_class/'
+f = open(datapath+'digits_reshuffled/digits_reshuffled_train_data.ft')
+d = ft.read(f)
+d = d[0:n,:]/255.0
+createimage('/u/glorotxa/transf/NIST_digits',d)
+
+
+
+datapath = '/data/lisa/data/nist/by_class/'
+f = open(datapath+'upper/upper_train_data.ft')
+d = ft.read(f)
+d = d[0:n,:]/255.0
+createimage('/u/glorotxa/transf/NIST_upper',d)
+
+from Facade import *
+
+for i in range(n):
+    d[i,:]=N.asarray(N.reshape(generateCaptcha(0.8,0),(1,1024))/255.0,dtype='float32')
+
+createimage('/u/glorotxa/transf/capcha',d)
+
+
+for i in range(n):
+    myttf2jpg = ttf2jpg()
+    d[i,:]=N.reshape(myttf2jpg.generate_image()[0],(1,1024))
+createimage('/u/glorotxa/transf/fonts',d)
+
+datapath = '/data/lisa/data/nist/by_class/'
+f = open(datapath+'lower/lower_train_data.ft')
+d = ft.read(f)
+d = d[0:n,:]/255.0
+createimage('/u/glorotxa/transf/NIST_lower',d)
+
+
+#pygame.display.quit()