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t9.geo

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  • t9.geo 2.19 KiB
    /*********************************************************************
     *
     *  Gmsh tutorial 9
     *
     *  Post-processing plugins (levelsets, sections, annotations)
     *
     *********************************************************************/
    
    // Plugins can be added to Gmsh in order to extend its capabilities. For
    // example, post-processing plugins can modify a view, or create a new view
    // based on previously loaded views. Several default plugins are statically
    // linked with Gmsh, e.g. Isosurface, CutPlane, CutSphere, Skin, Transform or
    // Smooth.  Plugins can be controlled in the same way as other options: either
    // from the graphical interface (right click on the view button, then
    // `Plugins'), or from the command file.
    
    // Let us for example include a three-dimensional scalar view:
    
    Include "view3.pos" ;
    
    // We then set some options for the `Isosurface' plugin (which extracts an
    // isosurface from a 3D scalar view), and run it:
    
    Plugin(Isosurface).Value = 0.67 ; // iso-value level
    Plugin(Isosurface).View = 0 ; // source view is View[0]
    Plugin(Isosurface).Run ; // run the plugin!
    
    // We also set some options for the `CutPlane' plugin (which computes a section
    // of a 3D view using the plane A*x+B*y+C*z+D=0), and then run it:
    
    Plugin(CutPlane).A = 0 ;
    Plugin(CutPlane).B = 0.2 ;
    Plugin(CutPlane).C = 1 ;
    Plugin(CutPlane).D = 0 ;
    Plugin(CutPlane).View = 0 ;
    Plugin(CutPlane).Run ;
    
    // Add a title (By convention, for window coordinates a value greater than 99999
    // represents the center. We could also use `General.GraphicsWidth / 2', but
    // that would only center the string for the current window size.):
    
    Plugin(Annotate).Text = "A nice title" ;
    Plugin(Annotate).X = 1.e5;
    Plugin(Annotate).Y = 50 ;
    Plugin(Annotate).Font = "Times-BoldItalic" ;
    Plugin(Annotate).FontSize = 28 ;
    Plugin(Annotate).Align = "Center" ;
    Plugin(Annotate).View = 0 ;
    Plugin(Annotate).Run ;
    
    Plugin(Annotate).Text = "(and a small subtitle)" ;
    Plugin(Annotate).Y = 70 ;
    Plugin(Annotate).Font = "Times-Roman" ;
    Plugin(Annotate).FontSize = 12 ;
    Plugin(Annotate).Run ;
    
    // We finish by setting some options:
    
    View[0].Light = 1;
    View[0].IntervalsType = 1;
    View[0].NbIso = 6;
    View[0].SmoothNormals = 1;
    View[1].IntervalsType = 2;
    View[2].IntervalsType = 2;