1. a) Click on the Modules menu and select the module Editor. b)The ‘SlicerApp-real’ window appears. Select the label map GenericAnatomyColors and click Apply.
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2. a) Select the PaintEffect b) Scroll down the Editor module and choose color #293 for the region 1 label
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3. a) In a single motion, draw a short line in the cystic part of the tumor b) Select color #294 for the mass label and, again in a single motion, draw a short line in the solid part of the tumor c) Select color #295 for the region 3 and draw a circle around the tumor
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4. Select the GrowCutEffect tool and then click Apply
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5. Scroll up the Editor menu and select the tab Per-Structure Volumes. Then click Split Merge Volume.
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6. a) Select the volume BaselineVolumeregion_3-label so that it is highlighted and that the yellow region is visible in the viewer b) Select the ThresholdEffect tool
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7. Scroll down the Editor module and set the lower Threshold Range to 1700 and click Apply.
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8. a) Select the SaveIslandEffect in the Editor module b) With the SaveIslandEffect tool equipped, click in the occipital horn of the ventricle.
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9. a) Scroll back up and click on Merge and Build to merge the different label maps, and generate the 3D models of the tumor and ventricles using a Marching Cubes algorithm. b) Click on the Layout menu and select Conventional.
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10. Slicer displays the 3D surface reconstructions of the ventricles, and solid and cystic parts of the tumor.
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11. Position the mouse over the pin icon, and select the eye icon to view the all the slices in the 3D viewer.
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