def save_graypixelmap(self):
string = glReadPixels(0,0,self.GetSize().x,self.GetSize().y,GL_LUMINANCE,GL_FLOAT)
size = list(self.GetClientSizeTuple())
a = fromstring(string,Float32) # convert pixels to array
print a.shape, size
size[0],size[1] = size[1],size[0] # swap x,y dimensions for proper unraveling
carray = reshape(a,size)*255 # must be a luminance map
print carray.shape, type(carray), carray.typecode(), min(ravel(carray)), max(ravel(carray))
im.ashow(carray[::-1,:])
def save_graypixelmap(self):
string = glReadPixels(0,0,self.GetSize().x,self.GetSize().y,GL_LUMINANCE,GL_FLOAT)
size = list(self.GetClientSizeTuple())
a = fromstring(string,Float32) # convert pixels to array
print a.shape, size
size[0],size[1] = size[1],size[0] # swap x,y dimensions for proper unraveling
carray = reshape(a,size)*255 # must be a luminance map
print carray.shape, type(carray), carray.typecode(), min(ravel(carray)), max(ravel(carray))
im.ashow(carray[::-1,:])
def save_colorpixelmap(self):
string = glReadPixels(0,0,self.GetSize().x,self.GetSize().y,GL_RGB,GL_UNSIGNED_BYTE)
size = list(self.GetClientSizeTuple())
a = fromstring(string,Int8) # convert pixels to array
print a.shape, size
size[0],size[1] = size[1],size[0] # swap x,y dimensions for proper unraveling
r = a[0::3]+0
g = a[1::3]+0
b = a[2::3]+0
r.shape = size
g.shape = size
b.shape = size
carray = array([r[::-1,:],g[::-1,:],b[::-1,:]]) # up-down flip the image
print carray.shape, type(carray), carray.typecode(), min(ravel(carray)), max(ravel(carray))
im.ashow(carray)
def save_colorpixelmap(self):
string = glReadPixels(0,0,self.GetSize().x,self.GetSize().y,GL_RGB,GL_UNSIGNED_BYTE)
size = list(self.GetClientSizeTuple())
a = fromstring(string,Int8) # convert pixels to array
print a.shape, size
size[0],size[1] = size[1],size[0] # swap x,y dimensions for proper unraveling
r = a[0::3]+0
g = a[1::3]+0
b = a[2::3]+0
r.shape = size
g.shape = size
b.shape = size
carray = array([r[::-1,:],g[::-1,:],b[::-1,:]]) # up-down flip the image
print carray.shape, type(carray), carray.typecode(), min(ravel(carray)), max(ravel(carray))
im.ashow(carray)
