Morph-M Python - ImportExport to other python librairies » History » Version 2
Serge Koudoro, 10/23/2009 04:06 PM
1 | 1 | Serge Koudoro | h1. Morph-M Python - ImportExport to other python librairies |
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3 | h2{color:#8B0000;background:#ddd}. Introduction |
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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. |
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7 | h2{color:#8B0000;background:#ddd}. PIL(Python Image Library) |
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8 | |||
9 | bq. *%{color:#006400}+Morph-M Gray images To PIL...+%* |
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11 | 2 | Serge Koudoro | <pre><code class="ruby"> |
12 | 1 | Serge Koudoro | im = mp.fileRead("testGray.png") |
13 | imPIL = pil.new("L",(im.getWxSize(),im.getWySize())) |
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14 | data =mp.ImageToString(im,1,0,mp.colorType.GRAY) |
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15 | imPIL.fromstring(data) |
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16 | 2 | Serge Koudoro | </code></pre> |
17 | 1 | Serge Koudoro | |
18 | bq. *%{color:#006400}+... To Morph-M+%* |
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20 | 2 | Serge Koudoro | <pre><code class="ruby"> |
21 | 1 | Serge Koudoro | imMorp=mp.ImCreate(imPIL.size[0],imPIL.size[1],"UINT8") |
22 | data = imPIL.tostring() |
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23 | mp.ImageFromString(imMorp, data, 1, 0, colorType.GRAY) |
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24 | 2 | Serge Koudoro | </code></pre> |
25 | 1 | Serge Koudoro | |
26 | bq. *%{color:#006400}+Morph-M Color images to PIL...+%* |
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28 | 2 | Serge Koudoro | <pre><code class="ruby"> |
29 | 1 | Serge Koudoro | import morphee as mp |
30 | import Image as pil |
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31 | im = mp.fileRead("testRGB.png") |
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32 | imPIL = pil.new("RGB",(im.getWxSize(),im.getWySize())) |
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33 | data =mp.ImageToString(im,3,0,mp.colorType.ARGB) |
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34 | imPIL.fromstring(data) |
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35 | 2 | Serge Koudoro | </code></pre> |
36 | 1 | Serge Koudoro | |
37 | h2{color:#8B0000;background:#ddd}. wxPython |
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39 | bq. *%{color:#006400}+Morph-M Images To WX+%* |
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41 | 2 | Serge Koudoro | <pre><code class="ruby"> |
42 | 1 | Serge Koudoro | import morphee as mp |
43 | import wx |
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44 | im = mp.fileRead("testRGB.png") |
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45 | imWX = wx.EmptyImage(im.getWxSize(), im.getWySize()) |
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46 | data = mp.ImageToString(im,3,0,mp.colorType.ABGR) |
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47 | imWX.SetData(data) |
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48 | 2 | Serge Koudoro | </code></pre> |
49 | 1 | Serge Koudoro | |
50 | h2{color:#8B0000;background:#ddd}. Numpy(the replacement for Numeric/numarray) |
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51 | |||
52 | bq. *%{color:#006400}+Morph-M Images To Numpy....+%* |
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54 | 2 | Serge Koudoro | <pre><code class="ruby"> |
55 | 1 | Serge Koudoro | import morphee as mp |
56 | import numpy |
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57 | im = mp.fileRead("testGray.png") |
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58 | arr = mp.ImageToNumarray(im) |
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59 | 2 | Serge Koudoro | </code></pre> |
60 | 1 | Serge Koudoro | |
61 | bq. *%{color:#006400}+... To Morph-M+%* |
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63 | 2 | Serge Koudoro | <pre><code class="ruby"> |
64 | 1 | Serge Koudoro | imMorp=mp.ImCreate(arr.shape[0],arr.shape[1],"UINT8") |
65 | im.fromList( map(int,arr.flat) ) |
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66 | 2 | Serge Koudoro | </code></pre> |
67 | 1 | Serge Koudoro | |
68 | h2{color:#8B0000;background:#ddd}. VTK images |
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69 | |||
70 | bq. *%{color:#006400}+Morph-M Images To VTK+%* |
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72 | 2 | Serge Koudoro | <pre><code class="ruby"> |
73 | 1 | Serge Koudoro | import morphee as mp |
74 | import vtk |
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75 | im = mp.fileRead("testGray.png") |
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76 | str = mp.ImageToString(im,1,0,mp.colorType.GRAY) |
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77 | x=im.getXSize() |
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78 | y=im.getYSize() |
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79 | z=im.getZSize() |
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80 | imimport = vtk.vtkImageImport() |
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81 | imimport.CopyImportVoidPointer(str,x*y*z) |
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82 | imimport.SetDataScalarTypeToUnsignedChar() |
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83 | imimport.SetDataExtent(0,x-1,0,y-1,0,z-1) |
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84 | imimport.SetWholeExtent(0,x-1,0,y-1,0,z-1) |
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85 | imdata = imimport.GetOutput() |
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86 | imdata.Update() |
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87 | 2 | Serge Koudoro | </code></pre> |
88 | 1 | Serge Koudoro | |
89 | h2{color:#8B0000;background:#ddd}. Qt4 Image |
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91 | bq. *%{color:#006400}+Morph-M To QT4: Gray level images+%* |
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93 | 2 | Serge Koudoro | <pre><code class="ruby"> |
94 | 1 | Serge Koudoro | import morphee as mp |
95 | from PyQt4 import QtGui |
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96 | # create/read the image |
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97 | im = mp.fileRead("testGray.png") |
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98 | x=im.getXSize() |
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99 | y=im.getYSize() |
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100 | sdata=mp.ImageToString(im,1,(4 - x % 4) % 4,mp.colorType.GRAY) |
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101 | fmt = QtGui.QImage.Format_Indexed8 |
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102 | img = QtGui.QImage(sdata, x, y, fmt) |
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103 | # make sure the image is displayed in shades of gray |
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104 | # (and not with a funky LUT) |
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105 | img.setColorTable([QtGui.qRgb(i,i,i) for i in range(0,256)]) |
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106 | 2 | Serge Koudoro | </code></pre> |
107 | 1 | Serge Koudoro | |
108 | bq. *%{color:#006400}+Morph-M To QT4: Color images+%* |
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110 | 2 | Serge Koudoro | <pre><code class="ruby"> |
111 | 1 | Serge Koudoro | # create/read the color image |
112 | im = mp.fileRead("testRGB.png") |
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113 | # transfering the data to a qtpixmap |
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114 | sdata = mp.ImageToString(imLUT,4,0,mp.colorType.ARGB) |
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115 | x=imLUT.getXSize() |
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116 | y=imLUT.getYSize() |
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117 | # convert 32bit buffer to a Qt QImage |
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118 | fmt = QtGui.QImage.Format_ARGB32 |
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119 | img = QtGui.QImage(sdata, x, y, fmt) |
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120 | 2 | Serge Koudoro | </code></pre> |