67 lines
3.2 KiB
Plaintext
67 lines
3.2 KiB
Plaintext
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// -*- C++ -*-
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namespace Katabatic {
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/*! \class AutoContactTerminal
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*
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* \brief AutoContact Terminal (S/T is a Terminal)
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*
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* AutoContact that are directly attached by either source or target
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* or both to a terminal.
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*/
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//! \function AutoContactTerminal* AutoContactTerminal::create ( GCell* gcell, Component* rp, const Layer* layer, const DbU::Unit x, const DbU::Unit y, const DbU::Unit width, const DbU::Unit height );
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//! \param gcell The GCell into which create the AutoContact.
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//! \param rp The Component on which to anchor the AutoContact.
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//! \param layer The Layer of the AutoContact.
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//! \param x The absolute X position.
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//! \param y The absolute Y position.
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//! \param width The width of the AutoContact.
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//! \param height The height of the AutoContact.
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//! \return The created AutoContact.
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//!
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//! Create a new AutoContactTerminal anchored on \c rp. <code>(x,y)</code> gives
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//! the \e absolute position.
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//!
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//! The anchor component \c rp is most often a Hurricane::RoutingPad (occurrencing
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//! a Hurricane::Segment) or directly a Hurricane::Segment, in case of RoutingPad
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//! layer promotion.
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//! \function AutoContactTerminal* AutoContactTerminal::create ( GCell* gcell, Component* rp, const Layer* layer, Point point, const DbU::Unit width, const DbU::Unit height );
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//! \param gcell The GCell into which create the AutoContact.
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//! \param rp The RoutingPad on which to anchor the AutoContact.
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//! \param layer The Layer of the AutoContact.
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//! \param point The absolute position.
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//! \param width The width of the AutoContact.
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//! \param height The height of the AutoContact.
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//! \return The created AutoContact.
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//!
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//! Create a new AutoContactTerminal anchored on \c rp. \c point gives
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//! the \e absolute position.
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//! \function void AutoContactTerminal::updateTopology ();
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//! Restore the topology (i.e. connexity) of the contact after the incident
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//! segment has changed layer.
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//!
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//! Based on the layer depth delta between the terminal and the segment
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//! three case can occurs:
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//! - The delta is \b zero, then just sets the layer of the contact
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//! to the common metal layer.
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//! - The delta is \b one, then sets the contact layer to VIA connecting
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//! the two layers.
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//! - The delta is \b two, then create a dogleg to restore the connexity.
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//! Depending on whether the terminal was attached to the source or
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//! target, sets the layer of the segments.
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//! - A delta of more than \b two is an error, and must never occurs.
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//!
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//! As, by default, the perpandicular is set in the layer above the
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//! parallel, it may be necessary to adjust his layer as well (to the
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//! one below).
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//!
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//! \image html updateTopologyTerminal.png "Update Terminal Topology"
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}
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