Morph-M Python - ImportExport to other python librairies » History » Version 1
Serge Koudoro, 10/23/2009 04:03 PM
| 1 | 1 | Serge Koudoro | h1. Morph-M Python - ImportExport to other python librairies |
|---|---|---|---|
| 2 | |||
| 3 | h2{color:#8B0000;background:#ddd}. Introduction |
||
| 4 | |||
| 5 | 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. |
||
| 6 | |||
| 7 | h2{color:#8B0000;background:#ddd}. PIL(Python Image Library) |
||
| 8 | |||
| 9 | bq. *%{color:#006400}+Morph-M Gray images To PIL...+%* |
||
| 10 | |||
| 11 | im = mp.fileRead("testGray.png") |
||
| 12 | imPIL = pil.new("L",(im.getWxSize(),im.getWySize())) |
||
| 13 | data =mp.ImageToString(im,1,0,mp.colorType.GRAY) |
||
| 14 | imPIL.fromstring(data) |
||
| 15 | |||
| 16 | bq. *%{color:#006400}+... To Morph-M+%* |
||
| 17 | |||
| 18 | imMorp=mp.ImCreate(imPIL.size[0],imPIL.size[1],"UINT8") |
||
| 19 | data = imPIL.tostring() |
||
| 20 | mp.ImageFromString(imMorp, data, 1, 0, colorType.GRAY) |
||
| 21 | |||
| 22 | bq. *%{color:#006400}+Morph-M Color images to PIL...+%* |
||
| 23 | |||
| 24 | import morphee as mp |
||
| 25 | import Image as pil |
||
| 26 | im = mp.fileRead("testRGB.png") |
||
| 27 | imPIL = pil.new("RGB",(im.getWxSize(),im.getWySize())) |
||
| 28 | data =mp.ImageToString(im,3,0,mp.colorType.ARGB) |
||
| 29 | imPIL.fromstring(data) |
||
| 30 | |||
| 31 | h2{color:#8B0000;background:#ddd}. wxPython |
||
| 32 | |||
| 33 | bq. *%{color:#006400}+Morph-M Images To WX+%* |
||
| 34 | |||
| 35 | import morphee as mp |
||
| 36 | import wx |
||
| 37 | im = mp.fileRead("testRGB.png") |
||
| 38 | imWX = wx.EmptyImage(im.getWxSize(), im.getWySize()) |
||
| 39 | data = mp.ImageToString(im,3,0,mp.colorType.ABGR) |
||
| 40 | imWX.SetData(data) |
||
| 41 | |||
| 42 | h2{color:#8B0000;background:#ddd}. Numpy(the replacement for Numeric/numarray) |
||
| 43 | |||
| 44 | bq. *%{color:#006400}+Morph-M Images To Numpy....+%* |
||
| 45 | |||
| 46 | import morphee as mp |
||
| 47 | import numpy |
||
| 48 | im = mp.fileRead("testGray.png") |
||
| 49 | arr = mp.ImageToNumarray(im) |
||
| 50 | |||
| 51 | bq. *%{color:#006400}+... To Morph-M+%* |
||
| 52 | |||
| 53 | imMorp=mp.ImCreate(arr.shape[0],arr.shape[1],"UINT8") |
||
| 54 | im.fromList( map(int,arr.flat) ) |
||
| 55 | |||
| 56 | h2{color:#8B0000;background:#ddd}. VTK images |
||
| 57 | |||
| 58 | bq. *%{color:#006400}+Morph-M Images To VTK+%* |
||
| 59 | |||
| 60 | import morphee as mp |
||
| 61 | import vtk |
||
| 62 | im = mp.fileRead("testGray.png") |
||
| 63 | str = mp.ImageToString(im,1,0,mp.colorType.GRAY) |
||
| 64 | x=im.getXSize() |
||
| 65 | y=im.getYSize() |
||
| 66 | z=im.getZSize() |
||
| 67 | imimport = vtk.vtkImageImport() |
||
| 68 | imimport.CopyImportVoidPointer(str,x*y*z) |
||
| 69 | imimport.SetDataScalarTypeToUnsignedChar() |
||
| 70 | imimport.SetDataExtent(0,x-1,0,y-1,0,z-1) |
||
| 71 | imimport.SetWholeExtent(0,x-1,0,y-1,0,z-1) |
||
| 72 | imdata = imimport.GetOutput() |
||
| 73 | imdata.Update() |
||
| 74 | |||
| 75 | h2{color:#8B0000;background:#ddd}. Qt4 Image |
||
| 76 | |||
| 77 | bq. *%{color:#006400}+Morph-M To QT4: Gray level images+%* |
||
| 78 | |||
| 79 | import morphee as mp |
||
| 80 | from PyQt4 import QtGui |
||
| 81 | # create/read the image |
||
| 82 | im = mp.fileRead("testGray.png") |
||
| 83 | x=im.getXSize() |
||
| 84 | y=im.getYSize() |
||
| 85 | sdata=mp.ImageToString(im,1,(4 - x % 4) % 4,mp.colorType.GRAY) |
||
| 86 | fmt = QtGui.QImage.Format_Indexed8 |
||
| 87 | img = QtGui.QImage(sdata, x, y, fmt) |
||
| 88 | # make sure the image is displayed in shades of gray |
||
| 89 | # (and not with a funky LUT) |
||
| 90 | img.setColorTable([QtGui.qRgb(i,i,i) for i in range(0,256)]) |
||
| 91 | |||
| 92 | bq. *%{color:#006400}+Morph-M To QT4: Color images+%* |
||
| 93 | |||
| 94 | # create/read the color image |
||
| 95 | im = mp.fileRead("testRGB.png") |
||
| 96 | # transfering the data to a qtpixmap |
||
| 97 | sdata = mp.ImageToString(imLUT,4,0,mp.colorType.ARGB) |
||
| 98 | x=imLUT.getXSize() |
||
| 99 | y=imLUT.getYSize() |
||
| 100 | # convert 32bit buffer to a Qt QImage |
||
| 101 | fmt = QtGui.QImage.Format_ARGB32 |
||
| 102 | img = QtGui.QImage(sdata, x, y, fmt) |