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The description and usage of R-group structures in Marvin can be found in the R-groups and How to Draw R-group queries paragraph of the Marvin User's Guide.

 

How to work with structure display parameters to hide R-group definitions

By default, MarvinSketch displays all the R-group definitions that belong to a scaffold.

Sometimes it is very practical to hide the R-group definitions because they take up too much place from the display and we would like to emphasize the scaffold.

The result of switching off the R-group definitions can be seen on the picture below:

The code below is taken from SketchParams.java, where the R-group definitions are hidden using the setParams method of the MSketchPane class.

    msketchPane.
  setParams
  (ParameterConstants.R_GROUPS_VISIBLE+
  "=false"
  );