Modules:Models-Documentation
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Introduction
This module is used for loading, saving, changing the appearance of, and organizing 3d surface models. The module is a core module for Slicer 3.
Load
- Load Model allows the user to load a single model, of any type that Slicer recognizes. This includes VTK polydata, BYU, XML polydata, STL files and FreeSurfer surface files.
- Load Model directory will load all the VTK models (*.vtk) that are located in in the selected directory
- Load FreeSurfer Overlay will load a FreeSurfer scalar overlay file and associate it with the currently active model. The active model must be a FreeSurfer surface model (e.g. from files named *.pial, *.orig, etc)
Display
- Model Select: Select the model that you want to modify from a list
- Visibility: Turn a model on or off in the 3D window
- Scalar visibility: If the model has a scalar field you can make it visible or not using this check box.
- Set Active Scalar: Select from the list of currently loaded scalar overlays. Most models will have normals, Freesurfer surface models can have multiple scalar overlay files associated with them (e.g. lh.sulc, lh.curv).
- Scalar Color Map Select: select the color mapping used to map from the scalar overlay's values (usually in the range of 0.0 to 1.0) to colors. There are built in color maps that can be browsed in the Colors module. The most commonly used color map for FreeSurfer scalar overlays is the GreenRed one. Legacy color maps from Slicer2 include Grey, Iron, Rainbow, etc. Those color maps with "labels" in their names are usually discrete and don't work well for the continuous scalar overlay ranges.
- Clipping: Set clipping on or off for this model. Once it is on, go to the Clipping pane to set the options.
- Backface Culling: Set back face culling on or off for this model.
- Opacity: Set how transparent this model is
- Set Color: Set the base color for this model. Only visible if the Scalar Visibility is off.
- Material Properties: This collection of options allows you to change the appearance of the model. Some presets can be selected at the bottom of this pane.
