sMILX Help

Models

• Compare - Click on this for every model that your want to compute the Hausdorff distance for or to overlay together.
• Link Windows - Link all the windows so that the camera of the view is always oriented exactly the same in real space in all windows of the tab.
  
• Switch to - Switch to window given in the open windows list.
• Import View from - Import the 'actors' (i.e. the display elements, such as the slice or surface or field) to this current display. This can be used for overlaying surfaces on slices etc. Note that the imported actor will be 'in front' of the current actors, useful to know when the actors exactly overlap and one cannot be seen, i.e. the order makes a difference when the objects are in exactly the same space.
  
• Generate - Generate various displays from the underlying model data:
• Vertices - put glyphs for every point in the model.
• Normals - create a array in the model that contains vector data that represents the point normals.
• Vector Field - from the vector data in the model, create arrows with the size and magnitude given by the length.
• Tensor Field - from the tensor data in the model, create ellipsoids that represents the tensors.
• Hedgehog - from the vector data in the model, create lines with the size and magnitude given by the length.
• Point Model - for every point in the model, create a low resolution sphere (auto scaled) to show each point.
• Vertex Labels - create a model where each point is labelled by their point ID. The label text replaces the vertex glyphs.
• Point IDs - Set the scalar field of the model to that of the point ID value.
• K-Means Points Clustering - Cluster the model points (by position) by the given number of clusters.
• Cap Boundaries - cover the 'ends' of a surface by computing the boundry edges of the surface and creating triangles to cover them.
• Label Unconnected Regions - Colour each unconnected region.
  
• Operations - process the geometry and topology of the model:
• Clean - remove redundant points and cells from the model.
• Triangulate - convert the polygons representing the model to triangles.
• Decimate - Surface simpliciation. Reduce the number of points in the model using a very simply algorithm.
• Quadric Decimate - Surface simpliciation. Reduce the number of points in the model using quadric errors. Recommended.
  
• Quadric Clustering - Surface simpliciation. Reduce the number of points in the model using quadric clustering algorithm.
• Smooth - mesh fairing by using the Laplace-Beltrami operator.
• Smooth Windowed Sinc - Optimal mesh fairing using the Taubin filtering algorithm. Recommended.
  
• Mean curvature - show the mean curvature of the model as a scalar field.
• Transforms - Transform the model in vairous ways:
• Transform (via File) - Use an ITK transform file to apply either an affine or rigid transform to the model.
• Match Info to - Match the centroid and centroid scale (optional) of the current model to the model provided.
• Register (ICP) to - Apply iterative closest points registration between the current model and the provided model.
• Register (Landmark) to - Apply the landmark transform registration between the current model and the provided model. Note that this requires the models have correspondence and the same number of points.
• Voxelise - Convert a surface into a voxel representation so that it can be saved as a binary image.
• Scalar Operations - Applu operations to the scalar field on the model:
• Rename Scalars - rename the array of the current active scalars. This is used for the scalar bar etc. and sometimes used by other programs automatically to generate figures.
• Clip mesh based on scalar threshold - remove the parts of the mesh that doesn't not coincide with a scalar field value threshold, say removing all parts of a mesh with a scalar value of less than 1.0.
• Scalar Gradient - compute the gradient of the scalar field, a vector field array is generated and stored. Use Generate->Vector Field to see it.
• Load Scalars... - Load a scalar field from another model, must have the same number of points as the current model.
• Output Scalars as CSV - output the scalar field of the current model to a field with values separated by commas and all present in the first row.
• Undo/Redo Last Operation - Rollback the last change
• Model Information - Print the number of points etc. to the log window
• Flip Model - flip the model depending on the axis specified.
• Change Mesh Colour/Transparency - Change the model colour and transparency. Transparency is controlled via the alpha channel and this feature only works for models with no scalars.
• Phong Shading - Improve the cell interpolation by utilising the normals. Results in a smoother polygonal model.
• Scalar Bar - Show the scalar bar for the scalar field, this ensures that the scalar field display range is correct. The scalar bar is adjustable.
• Contouring - contour a polygonal surface:
• Select points within contour - Compute the signed distance map of the contour, inside is negative.