Examples of prefuse.data.Schema.addColumn()

prefuse.data.Schema.addColumn()
Add a column to this schema. @param name the column name @param type the column type (as a Class instance) @throws IllegalArgumentException is either name or type are null orthe name already exists in this schema.

        // booleans
        s.addColumn(VisualItem.VALIDATED, boolean.class, Boolean.FALSE);
        s.addColumn(VisualItem.VISIBLE, boolean.class, Boolean.TRUE);
        s.addColumn(VisualItem.STARTVISIBLE, boolean.class, Boolean.FALSE);
        s.addColumn(VisualItem.ENDVISIBLE, boolean.class, Boolean.TRUE);
        s.addColumn(VisualItem.INTERACTIVE, boolean.class, Boolean.TRUE);
        
        // bounding box
        s.addColumn(VisualItem.BOUNDS, Rectangle2D.class, new Rectangle2D.Double());
        
        return s;

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        s.addColumn(VisualItem.STARTVISIBLE, boolean.class, Boolean.FALSE);
        s.addColumn(VisualItem.ENDVISIBLE, boolean.class, Boolean.TRUE);
        s.addColumn(VisualItem.INTERACTIVE, boolean.class, Boolean.TRUE);
        
        // bounding box
        s.addColumn(VisualItem.BOUNDS, Rectangle2D.class, new Rectangle2D.Double());
        
        return s;
    }
    
    /**

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        Double nan = new Double(Double.NaN);
        s.addInterpolatedColumn(VisualItem.X2, double.class);
        s.addInterpolatedColumn(VisualItem.Y2, double.class);
        
        s.addColumn(VisualItem.LABEL, String.class);
        s.addColumn(VisualItem.VALUE, double.class, nan);
        
        return s;
    }

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        Double nan = new Double(Double.NaN);
        s.addInterpolatedColumn(VisualItem.X2, double.class);
        s.addInterpolatedColumn(VisualItem.Y2, double.class);
        
        s.addColumn(VisualItem.LABEL, String.class);
        s.addColumn(VisualItem.VALUE, double.class, nan);
        
        return s;
    }
    
} // end of class PrefuseLib

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        for ( int i=1; i<=ncols; ++i ) {
            String name = metadata.getColumnName(i);
            int sqlType = metadata.getColumnType(i);
            Class type = handler.getDataType(name, sqlType);
            if ( type != null )
                schema.addColumn(name, type);
        }
        
        return schema;
    }

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