Documentation/Nightly/FAQ/Scripting - Revision history

JChris.FillionR at 16:20, 15 July 2015

2015-07-15T16:20:58Z

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2013-06-14T07:56:00Z

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Scottg: /* How to grab full slice image ? */

2013-03-01T18:02:30Z

How to grab full slice image ?

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2013-02-28T19:23:27Z

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== How to grab full slice image ? ==

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−	== How to grab full slice image ? ==	+	== How to grab full slice image (+-volume, +-model) ? ==
		+
		+	=== A Few General Approaches ===
		+
		+	There are multiple ways to access image data from one or all of the slice views.
		+
		+	==== VTK Window to Image Function (vtk.vtkWindowToImageFilter() ====
		+
		+	: # Example to grab image from red slice view and output as TIF
		+
		+	: lm = slicer.app.layoutManager()
		+	: redWidget = lm.sliceWidget('Red')
		+	: redView = redWidget.sliceView()
		+	: wti = vtk.vtkWindowToImageFilter()
		+	: wti.SetInput(redView.renderWindow())
		+	: wti.Update()
		+	: w = vtk.vtkTIFFWriter()
		+	: w.SetInputConnection(wti.GetOutputPort())
		+	: w.SetFileName('tmp/test.tif')
		+	: w.Write()
		+
		+	==== Direct access to widget data using ====
		+
		+	: # Example grabs image from red slice view and outputs as PNG
		+
		+	: lm = slicer.app.layoutManager()
		+	: redWidget = lm.sliceWidget('Red')
		+	: im = redWidget.imageData()
		+	: w = vtk.vtkPNGWriter()
		+	: w.SetInput(im)
		+	: w.SetFileName('tmp/test.png')
		+	: w.Write()
		+
		+
		+	==== QImages using the qt.QPixmap.grabWidget function ====
		+
		+	: # example to grab all views and store in 'image'
		+	image = qt.QPixmap.grabWidget(slicer.util.mainWindow()).toImage()
		+
		+	: # example to grab 3d view, store in tdv, then output as a png image file
		+	tdv = lm.threeDWidget(0).threeDView()
		+	qt.QPixmap().grabWidget(tdv).toImage().save('/tmp/test.png')
		+
		+	=== Notes ===
		+
		+	This is also useful for slicing up whatever is shown (eg. voxelizing model data) by iterating this over the dimensions of the volume/model
		+
		+	In order to view models in the slice view make sure to activate the "Slice Intersections Visible" property of the model
		+
		+
		+	=== Specific Example ===
		+
		+	The following script iterates through the red slice view and outputs each slice as a .png image.
		+	It was originally designed to output volume+model data together slice-by-slice
		+
		+	: https://gist.github.com/gortscizz/5060517

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Documentation/Nightly/FAQ/Scripting - Revision history

JChris.FillionR at 16:20, 15 July 2015

UpdateBot: Prepend documentation/versioncheck template. See http://na-mic.org/Mantis/view.php?id=2887

Scottg: /* How to grab full slice image ? */

JChris.FillionR: Created page with '__TOC__ ={{#titleparts: {{PAGENAME}} | | -1 }}= ='''User FAQ: {{{1}}}'''= == How to grab full slice image ? =='

JChris.FillionR: Created page with 'TOC ={{#titleparts: {{PAGENAME}} | | -1 }}= ='''User FAQ: {{{1}}}'''= == How to grab full slice image ? =='