sonia pujol, phd national alliance for medical image computing ://na-mic.org © 2010, arr
TRANSCRIPT
![Page 1: Sonia Pujol, PhD National Alliance for Medical Image Computing ://na-mic.org © 2010, ARR](https://reader037.vdocuments.mx/reader037/viewer/2022110406/56649f0a5503460f94c1e4ca/html5/thumbnails/1.jpg)
Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Slicer3• An end-user application
for image analysis
• An open-source environment for software development
• A software platform that is both easy to use for clinical researchers and easy to extend for programmers
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Slicer3
• Slicer3 is a multi-platform software that is developed and maintained on:
– Windows XP– Linux x86_64– Linux x86– Mac OSX – Darwin x86-Intel– Mac OSX – Darwin Power PC
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Download Slicer 3.6• Download and install the Slicer3.6 software
from the Slicer web site
http://www.slicer.org/pages/Special:SlicerDownloads
Disclaimer
It is the responsibility of the user of 3DSlicer to comply with both the terms of
the license and with the applicable laws, regulations and rules.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Download Slicer3.6
Slicer3 is under active development by the medical research community. Frequent releases incorporating cutting-edge medical image analysis capabilities. This tutorial uses the current stable Slicer3.6 release version.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Download Slicer3.6
Select the type of download ‘Stable Releases’
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Download Slicer3.6
Select the Operating System appropriate for your computer.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Download Slicer3.6
Select the corresponding latest Slicer3.6 release and click on Download.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Download the training dataset
• This course is built upon three datasets of a singlehealthy subject brain:
• Download and unzip the training dataset Slicer3VisualizationDataset.ziphttp://www.slicer.org/slicerWiki/index.php/Slicer3.6:Training
MR DICOM GRASS
MR Nrrd SPGR
Pre-computed Label Map
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Learning objective
Following this tutorial, you’ll be able to load and visualize volumes within Slicer3, and to interact in 3D with structural images and models.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Start Slicer3
Linux/Mac usersLaunch the Slicer3
executable located in
the Slicer3.6 directory
Windows usersSelect
Start All Programs
Slicer3-3.6-2010-08-05Slicer3
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Slicer Welcome
The SlicerWelcome module is the module displayed by default.
This module gives an overview of the GUI of Slicer3, and data loading & saving functionalities.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Slicer3 GUIThe Graphical User Interface (GUI) of Slicer3.6 integrates 8 main components:
•the File Menu
•the Menu Toolbar
•the Module GUI Panel
•the 3D Viewer
•the Slice Viewer
•the Slice Controller
•the 3D View Controller
Slice Viewer
3DViewerModule GUI Panel
Slice Controller
File Menu
Menu Toolbar
Progress and Error Log
3DView
Controller
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Overview
Part 4. The lightbox viewer
Part 2. Loading and visualizing segmented structures overlaid on grayscale images
Part 1. Loading and visualizing multiple volumes simultaneously
Part 3. Visualizing 3D reconstructions of anatomical surfaces
Part 5. Saving data
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Part 1: Loading and visualizing
multiple volumes simultaneously
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Select File Add Volume from the file menu.
Loading Volumes
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Browse to the location of the Slicer3VisualizationDataset directory
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Select the file 001.dcm in the /dicom directory
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Slicer displays the Dicom header information of the images. Browse through the Dicom information panel to display the dimensions of the images.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Image dimensions: Rows = 256, Columns = 256
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Click on Apply to load the Dicom volume in Slicer.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
The Dicom images appear in the Background display of the 2DViewer.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Left click on the menu Modules and select All Modules to display the list of 95 modules available for image analysis and 3D visualization.
Select the module Volumes
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading VolumesThe panel of the module Volumes appears in the interface.
Click on the panel Display
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Use the Window/Level slider to adjust the display of the MR images.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Click on Select Volume File
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Browse to find the header file of the spgr volume spgr.nhdr located in the directory Slicer3VisualizationDataset/nrrd and click on Open.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
Select Image Origin Centered and click on Apply to load the volume spgr.nhdr
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading Volumes
The spgr volume appears in the Background display of the 2D Viewer.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Click on the choose view icon
Exploring the data
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Select the red slice only layout
from the menu
Exploring the data
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Exploring the dataThe axial slices of the spgr volume appear in the 3D viewer.
Click on the icon slices fit to window to adjust the dimensions of the image to the size of the window.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Exploring the dataTo simultaneously view the dicom and the nrrd volumes, left click on the drop-down menu to the right of the Foreground icon and select the image 001.dcm
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Exploring the data
Click on the Background icon or the Foreground icon to display the spgr or the DICOM volumes in the Viewer
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Exploring the dataBrowse the images using the slider to display the ventricles (~slice 38)
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Exploring the data
Click on the conventional layout icon to come back to the standard view
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading VolumesClick on the icon slices fit to window to adjust the dimensions of the image to the size of the window.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Part 2: Loading and visualizing segmented structures overlaid on
grayscale images
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading a label mapClick on Select Volume File
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading a label map
Browse to find the header file all.nhdr of the label map dataset located in the directory Slicer3VisualizationDataset/nrrd and click on Open
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a label map
Set Image Origin to Centered Check the Label Map box and click on Apply
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a label mapSlicer displays the label map all in the Label layer
Click on the links icon.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing Multiple Volumes
Label Viewer
Left click the drop-down menu to the right of the L icon and select None
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing Multiple Volumes
Foreground Viewer
Left click on the drop-down menu to the right of the F icon and select the volume all
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing Multiple Volumes
Select Manipulate Slice Views
Use the slider to fade between the labelmap all (Foreground) and the spgr volume (Background).
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
Select the module Data in the module menu
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
The Data module displays the volumes loaded in the current Slicer Scene.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
The Load & Add Scene tab displays the different data types that can be added to the scene.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
Slicer displays 2D anatomical slices in the 3D viewer
Click on the Slice Visibility icon to display the slices in the 3D Viewer
Click on the links icon.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
Slicer displays 2D anatomical slices in the 3D viewer
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
Position the mouse in the 3D Viewer, hold down the left mouse button and drag to rotate the volumes
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Part 3: Loading and visualizing 3D models
of the anatomy
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
Click on the left icon in Add data or data directory
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
A small window displays information on how to use the function Add data or data directory
Click on the icon
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
3D Visualization
Click on Add Directory to select the directory Slicer3VisualizationDataset
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading 3D models
Select the directory Slicer3VisualizationDataset/models and click on OK
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading 3D models
The list of elements present in the models directory appears in the Add Data window.
Click on Apply to load all the 3D models.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading 3D models
Slicer loads the 3D models in the 3D Viewer. The models have been added to the MRML scene.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Loading a 3D model
Click on the panel Hierarchy & Display to access the module’s display components
Select the module Models
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Visualizing a 3D modelSelect the model Skin.vtk Click on the icon Set Color and choose a new color for the 3D model of the head.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Change the opacity of the skin model from 1.0 to 0.5 using the opacity slider:
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Visualizing a 3D model
The 3D models of the brain and vessels appear through the skin
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Turn off the visibility of the skin model
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Select the model Brain and change its color to white
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Visualizing a 3D model
Select Green Slice Only Layout from the Viewer menu
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Visualizing a 3D model
Click on the icon to adjust the size of the image to the size of the window.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Select Slice Intersection Visible to display the model intersection on the slice plane.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
The intersection of the 3D model of the brain with the 2D image plane appears in the viewer.
Go back to the conventional layout
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Visualizing a 3D model
Select the model Vessels and change its color to red
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Visualizing a 3D model
Select the model Brain and select the option Clipping
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Set Yellow Slice Clipping to Positive Space
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Click on the letter S in the Control Window to display a superior view of the 3D models
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Use the yellow slice slider to expose the 3D model of the vasculature
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Turn off the option clipping for the model Brain and set the Yellow Slice Clipping to Off
Turn on the visibility of the model Skin
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Slicer displays the 3D models of the Skin, Vessels and Brain.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Part 4: Lightbox viewer
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Select the option Compare Layout in the Viewer menu
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Visualizing a 3D model
Set the Number of compare Viewers to 1 and the number of lightbox rows and columns to 2
Click on Apply
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Slicer displays a lightbox view of the Background dataset.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Browse through the spgr volume using the lightbox slider
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Slicer displays 4 adjacent axial slices of the spgr volume simultaneously
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Left click on the Slice Viewer menu of the Compare Layout viewer
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Select the lightbox view option
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Set the configuration of the light box view to 6x6
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Slicer displays a matrix of 36 adjacent axial slices of the spgr volume.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Lightbox viewer
Select the option Conventional Layout in the Viewer menu
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Part 5: Loading and saving a Scene
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving Data
Click on File and Select Save
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Saving DataThe list of elements currently loaded into Slicer3 appears.
Make sure only the first check box is selected
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving DataClick on Change Destination for All Selected and browse to the location where the scene will be saved
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving Data
Browse to the directory where you would like to save your scene and click OK
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving DataDouble click on the file name SlicerScene1 and change it to Slicer3DScene
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving DataClick on Save Selected
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Creating Scene Snapshots
Choose a 3D view of the scene and click on the capture snapshot icon
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Creating Scene Snapshots
Enter the Snapshot name MySceneSnapshot1 and click on OK
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Creating Scene Snapshots
Select a Superior view of the dataset, and click on the capture snapshot icon
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Creating Scene Snapshots
Enter the name MySceneSnapshot2 and click on OK
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Creating Scene SnapshotsSelect File Save and click on Save Selected to include the two scene snapshots in the saved scene
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Creating Scene Snapshots
Click Yes to overwrite the file with a new file that contains the scene snapshots
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving Data
Select FileClose Scene in the main menu and click on OK
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving Data
The elements of the previous scene disappear from the Viewer.
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving Data
Select FileLoad Scene from the main menu
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Saving Data
Browse to find the file Slicer3DScene.mrml and click on Open
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Loading a Scene
Slicer loads the elements from the scene Slicer3DScene.mrml
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Loading a Scene
Left-click on the restore snapshot icon.
Select MySceneSnapshot2 and click on restore
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Sonia Pujol, PhD National Alliance for Medical Image Computing
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Loading a Scene
Slicer restores the scene snapshot MySceneSnapshot2
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Conclusion
• 3D visualization of anatomical surface reconstructions
• 3D interaction with volumes and models
• Open-source platform
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Sonia Pujol, PhD National Alliance for Medical Image Computing
http://na-mic.org © 2010, ARR
Acknowledgments
National Alliance for Medical Image ComputingNIH U54EB005149
Neuroimage Analysis Center NIH P41RR013218