Update README.md

README.md

@@ -50,18 +50,15 @@ First get and build the source code.
     + Start by looking at the `.h` and `.cpp` file at the **core** layer in `ttk/core/base/YourModuleName/`
         + The method `computeBoundingBox` just generates a bounding box that is scaled by a parameter
         + Note that the function writes its output into the `boundingBoxCoords` array that is passed as an argument
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     + Next, go to the `.h` file of the **vtk** layer in `ttk/core/vtk/ttkYourModuleName/` and confirm for yourself that
 	    + The input of the filter inherits from `vtkPointSet`.
 	    + The output of the filter is a `vtkUnstructuredGrid`.
 	    + The constructor sets default parameters.
 	    + The **vtk** wrapper holds a private instance of the **core** code class.
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     + Now check out the `.cpp` file of the **vtk** layer in `ttk/core/vtk/ttkYourModuleName/`
 	    + The `RequestData` method first fetches the input and output of the VTK filter (which is automatically provided by the VTK pipeline based on the information we specified in the header).
 	    + Next, the method initializes vectors that are passed to the function of the **base** code.
 	    + Finally, it convert the output to a `vtkUnstructuredGrid` (as promised in the header).
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     + Lastly, open the `.xml` file in `ttk/paraview/YourModuleName/`
 	    + A lot of the things you can specify here are unfortunately unintuitive.
 	    + Have a look at the XML files of other filters to see how to specify text, double, integer, and bool input UI elements. The Cinema filters are a good resource as they cover a lot of different input/output scenarios.