Morph-M Python - ImportExport to other python librairies » History » Revision 2
Revision 1 (Serge Koudoro, 10/23/2009 04:03 PM) → Revision 2/3 (Serge Koudoro, 10/23/2009 04:06 PM)
h1. Morph-M Python - ImportExport to other python librairies
h2{color:#8B0000;background:#ddd}. Introduction
Sometimes, you need to convert an image created by morphee to the image format of other libraries. It's possible to make this conversion and then to transform them back to MorpheeImages.
h2{color:#8B0000;background:#ddd}. PIL(Python Image Library)
bq. *%{color:#006400}+Morph-M Gray images To PIL...+%*
<pre><code class="ruby">
im = mp.fileRead("testGray.png")
imPIL = pil.new("L",(im.getWxSize(),im.getWySize()))
data =mp.ImageToString(im,1,0,mp.colorType.GRAY)
imPIL.fromstring(data)
</code></pre>
bq. *%{color:#006400}+... To Morph-M+%*
<pre><code class="ruby">
imMorp=mp.ImCreate(imPIL.size[0],imPIL.size[1],"UINT8")
data = imPIL.tostring()
mp.ImageFromString(imMorp, data, 1, 0, colorType.GRAY)
</code></pre>
bq. *%{color:#006400}+Morph-M Color images to PIL...+%*
<pre><code class="ruby">
import morphee as mp
import Image as pil
im = mp.fileRead("testRGB.png")
imPIL = pil.new("RGB",(im.getWxSize(),im.getWySize()))
data =mp.ImageToString(im,3,0,mp.colorType.ARGB)
imPIL.fromstring(data)
</code></pre>
h2{color:#8B0000;background:#ddd}. wxPython
bq. *%{color:#006400}+Morph-M Images To WX+%*
<pre><code class="ruby">
import morphee as mp
import wx
im = mp.fileRead("testRGB.png")
imWX = wx.EmptyImage(im.getWxSize(), im.getWySize())
data = mp.ImageToString(im,3,0,mp.colorType.ABGR)
imWX.SetData(data)
</code></pre>
h2{color:#8B0000;background:#ddd}. Numpy(the replacement for Numeric/numarray)
bq. *%{color:#006400}+Morph-M Images To Numpy....+%*
<pre><code class="ruby">
import morphee as mp
import numpy
im = mp.fileRead("testGray.png")
arr = mp.ImageToNumarray(im)
</code></pre>
bq. *%{color:#006400}+... To Morph-M+%*
<pre><code class="ruby">
imMorp=mp.ImCreate(arr.shape[0],arr.shape[1],"UINT8")
im.fromList( map(int,arr.flat) )
</code></pre>
h2{color:#8B0000;background:#ddd}. VTK images
bq. *%{color:#006400}+Morph-M Images To VTK+%*
<pre><code class="ruby">
import morphee as mp
import vtk
im = mp.fileRead("testGray.png")
str = mp.ImageToString(im,1,0,mp.colorType.GRAY)
x=im.getXSize()
y=im.getYSize()
z=im.getZSize()
imimport = vtk.vtkImageImport()
imimport.CopyImportVoidPointer(str,x*y*z)
imimport.SetDataScalarTypeToUnsignedChar()
imimport.SetDataExtent(0,x-1,0,y-1,0,z-1)
imimport.SetWholeExtent(0,x-1,0,y-1,0,z-1)
imdata = imimport.GetOutput()
imdata.Update()
</code></pre>
h2{color:#8B0000;background:#ddd}. Qt4 Image
bq. *%{color:#006400}+Morph-M To QT4: Gray level images+%*
<pre><code class="ruby">
import morphee as mp
from PyQt4 import QtGui
# create/read the image
im = mp.fileRead("testGray.png")
x=im.getXSize()
y=im.getYSize()
sdata=mp.ImageToString(im,1,(4 - x % 4) % 4,mp.colorType.GRAY)
fmt = QtGui.QImage.Format_Indexed8
img = QtGui.QImage(sdata, x, y, fmt)
# make sure the image is displayed in shades of gray
# (and not with a funky LUT)
img.setColorTable([QtGui.qRgb(i,i,i) for i in range(0,256)])
</code></pre>
bq. *%{color:#006400}+Morph-M To QT4: Color images+%*
<pre><code class="ruby">
# create/read the color image
im = mp.fileRead("testRGB.png")
# transfering the data to a qtpixmap
sdata = mp.ImageToString(imLUT,4,0,mp.colorType.ARGB)
x=imLUT.getXSize()
y=imLUT.getYSize()
# convert 32bit buffer to a Qt QImage
fmt = QtGui.QImage.Format_ARGB32
img = QtGui.QImage(sdata, x, y, fmt)
</code></pre>