mirror of https://github.com/KLayout/klayout.git
72 lines
2.3 KiB
Ruby
72 lines
2.3 KiB
Ruby
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# create one level of recursion
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# unless the level is deeper than the maximum level, create a new cell and instantiate this in
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# the given upper cell four times rendering the Sierpinski curve.
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def create_recursion( layout, cell_id, layer_id, rec_level )
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if rec_level > 20
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# max. recursion depth reached: just paint a straight line
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edge = RBA::Edge.new_pp( RBA::Point::new_xy( 0, 0 ), RBA::Point::new_xy( 3000, 0 ) )
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layout.cell( cell_id ).shapes( layer_id ).insert_edge( edge )
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else
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# create a new cell
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new_cell = layout.add_cell( "level" + rec_level.to_s )
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cell = layout.cell( cell_id )
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# and add four instances of it
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insts = [
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RBA::CellInstArray::new_inst_cplx( new_cell, RBA::CplxTrans::new_mrmu( 1.0 / 3.0, 0.0, false, RBA::DPoint::new_xy( 0.0, 0.0 ) ) ),
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RBA::CellInstArray::new_inst_cplx( new_cell, RBA::CplxTrans::new_mrmu( 1.0 / 3.0, 60.0, false, RBA::DPoint::new_xy( 1000.0, 0.0 ) ) ),
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RBA::CellInstArray::new_inst_cplx( new_cell, RBA::CplxTrans::new_mrmu( 1.0 / 3.0, -60.0, false, RBA::DPoint::new_xy( 1500.0, 1000 * Math::sin( Math::PI / 3.0 ) ) ) ),
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RBA::CellInstArray::new_inst_cplx( new_cell, RBA::CplxTrans::new_mrmu( 1.0 / 3.0, 0.0, false, RBA::DPoint::new_xy( 2000.0, 0.0 ) ) )
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]
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insts.each { |i| cell.insert( i ) }
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# recursively create new cells on this one
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create_recursion( layout, new_cell, layer_id, rec_level + 1 )
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end
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end
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app = RBA::Application.instance
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mw = app.main_window
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# create a new layout
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mw.create_layout( 0 )
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view = mw.current_view
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# create a new layer in that layout
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layout = view.cellview( 0 ).layout
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linfo = RBA::LayerInfo.new
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layer_id = layout.insert_layer( linfo )
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# create a layer view for that layer
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ln = RBA::LayerPropertiesNode::new
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ln.dither_pattern = 0
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ln.fill_color = 0xffff00
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ln.frame_color = 0xffff00
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ln.width = 1
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ln.source_layer_index = layer_id
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view.insert_layer( view.end_layers, ln )
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# create a top cell and start the recursion on this
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topcell_id = layout.add_cell( "top" )
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create_recursion( layout, topcell_id, layer_id, 1 )
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# select his cell as the top cell, fit all and switch on all hierarchy levels
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view.select_cell_path( [topcell_id], 0 )
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view.update_content
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view.zoom_fit
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view.max_hier
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# run the application
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RBA::Application.instance.exec
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