723 lines
24 KiB
C++
723 lines
24 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2004-2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <reporter.h>
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#include <board_commit.h>
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#include <cleanup_item.h>
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#include <connectivity/connectivity_algo.h>
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#include <connectivity/connectivity_data.h>
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#include <tool/tool_manager.h>
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#include <tools/pcb_actions.h>
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#include <tools/global_edit_tool.h>
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#include <drc/drc_rtree.h>
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#include <tracks_cleaner.h>
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TRACKS_CLEANER::TRACKS_CLEANER( BOARD* aPcb, BOARD_COMMIT& aCommit ) :
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m_brd( aPcb ),
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m_commit( aCommit ),
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m_dryRun( true ),
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m_itemsList( nullptr ),
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m_reporter( nullptr )
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{
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}
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/* Main cleaning function.
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* Delete
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* - Redundant points on tracks (merge aligned segments)
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* - vias on pad
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* - null length segments
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*/
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void TRACKS_CLEANER::CleanupBoard( bool aDryRun,
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std::vector<std::shared_ptr<CLEANUP_ITEM> >* aItemsList,
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bool aRemoveMisConnected, bool aCleanVias, bool aMergeSegments,
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bool aDeleteUnconnected, bool aDeleteTracksinPad,
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bool aDeleteDanglingVias, REPORTER* aReporter )
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{
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m_reporter = aReporter;
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bool has_deleted = false;
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m_dryRun = aDryRun;
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m_itemsList = aItemsList;
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if( m_reporter )
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{
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if( aDryRun )
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m_reporter->Report( _( "Checking null tracks and vias..." ) );
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else
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m_reporter->Report( _( "Removing null tracks and vias..." ) );
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wxSafeYield(); // Timeslice to update UI
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}
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bool removeNullSegments = aMergeSegments || aRemoveMisConnected;
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cleanup( aCleanVias, removeNullSegments, aMergeSegments /* dup segments*/, aMergeSegments );
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if( m_reporter )
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{
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if( aDryRun )
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m_reporter->Report( _( "Checking redundant tracks..." ) );
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else
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m_reporter->Report( _( "Removing redundant tracks..." ) );
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wxSafeYield(); // Timeslice to update UI
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}
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cleanup( false, false, true, aMergeSegments );
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if( aRemoveMisConnected )
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{
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if( m_reporter )
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{
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if( aDryRun )
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m_reporter->Report( _( "Checking shorting tracks..." ) );
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else
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m_reporter->Report( _( "Removing shorting tracks..." ) );
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wxSafeYield(); // Timeslice to update UI
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}
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removeShortingTrackSegments();
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}
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if( aDeleteTracksinPad )
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{
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if( m_reporter )
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{
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if( aDryRun )
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m_reporter->Report( _( "Checking tracks in pads..." ) );
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else
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m_reporter->Report( _( "Removing tracks in pads..." ) );
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wxSafeYield(); // Timeslice to update UI
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}
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deleteTracksInPads();
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}
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if( aDeleteUnconnected || aDeleteDanglingVias )
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{
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if( m_reporter )
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{
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if( aDryRun )
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{
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m_reporter->Report( _( "Checking dangling tracks and vias..." ) );
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}
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else
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{
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if( aDeleteUnconnected )
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m_reporter->Report( _( "Removing dangling tracks..." ) );
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if( aDeleteDanglingVias )
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m_reporter->Report( _( "Removing dangling vias..." ) );
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}
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wxSafeYield(); // Timeslice to update UI
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}
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has_deleted = deleteDanglingTracks( aDeleteUnconnected, aDeleteDanglingVias );
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}
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if( has_deleted && aMergeSegments )
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{
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if( m_reporter )
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{
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if( aDryRun )
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m_reporter->Report( _( "Checking collinear tracks..." ) );
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else
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m_reporter->Report( _( "Merging collinear tracks..." ) );
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wxSafeYield(); // Timeslice to update UI
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}
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cleanup( false, false, false, true );
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}
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}
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void TRACKS_CLEANER::removeShortingTrackSegments()
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{
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std::shared_ptr<CONNECTIVITY_DATA> connectivity = m_brd->GetConnectivity();
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std::set<BOARD_ITEM *> toRemove;
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for( PCB_TRACK* segment : m_brd->Tracks() )
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{
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// Assume that the user knows what they are doing
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if( segment->IsLocked() )
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continue;
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for( PAD* testedPad : connectivity->GetConnectedPads( segment ) )
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{
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if( segment->GetNetCode() != testedPad->GetNetCode() )
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{
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std::shared_ptr<CLEANUP_ITEM> item;
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if( segment->Type() == PCB_VIA_T )
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item = std::make_shared<CLEANUP_ITEM>( CLEANUP_SHORTING_VIA );
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else
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item = std::make_shared<CLEANUP_ITEM>( CLEANUP_SHORTING_TRACK );
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item->SetItems( segment );
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m_itemsList->push_back( item );
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toRemove.insert( segment );
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}
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}
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for( PCB_TRACK* testedTrack : connectivity->GetConnectedTracks( segment ) )
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{
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if( segment->GetNetCode() != testedTrack->GetNetCode() )
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{
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std::shared_ptr<CLEANUP_ITEM> item;
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if( segment->Type() == PCB_VIA_T )
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item = std::make_shared<CLEANUP_ITEM>( CLEANUP_SHORTING_VIA );
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else
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item = std::make_shared<CLEANUP_ITEM>( CLEANUP_SHORTING_TRACK );
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item->SetItems( segment );
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m_itemsList->push_back( item );
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toRemove.insert( segment );
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}
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}
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}
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if( !m_dryRun )
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removeItems( toRemove );
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}
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bool TRACKS_CLEANER::testTrackEndpointIsNode( PCB_TRACK* aTrack, bool aTstStart )
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{
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// A node is a point where more than 2 items are connected.
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const std::list<CN_ITEM*>& items =
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m_brd->GetConnectivity()->GetConnectivityAlgo()->ItemEntry( aTrack ).GetItems();
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if( items.empty() )
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return false;
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CN_ITEM* citem = items.front();
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if( !citem->Valid() )
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return false;
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const std::vector<std::shared_ptr<CN_ANCHOR>>& anchors = citem->Anchors();
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VECTOR2I refpoint = aTstStart ? aTrack->GetStart() : aTrack->GetEnd();
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for( const std::shared_ptr<CN_ANCHOR>& anchor : anchors )
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{
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if( anchor->Pos() != refpoint )
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continue;
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// The right anchor point is found: if more than one other item
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// (pad, via, track...) is connected, it is a node:
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return anchor->ConnectedItemsCount() > 1;
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}
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return false;
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}
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bool TRACKS_CLEANER::deleteDanglingTracks( bool aTrack, bool aVia )
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{
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bool item_erased = false;
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bool modified = false;
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if( !aTrack && !aVia )
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return false;
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do // Iterate when at least one track is deleted
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{
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item_erased = false;
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// Ensure the connectivity is up to date, especially after removing a dangling segment
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m_brd->BuildConnectivity();
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// Keep a duplicate deque to all deleting in the primary
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std::deque<PCB_TRACK*> temp_tracks( m_brd->Tracks() );
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for( PCB_TRACK* track : temp_tracks )
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{
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if( track->IsLocked() || ( track->GetFlags() & IS_DELETED ) > 0 )
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continue;
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if( !aVia && track->Type() == PCB_VIA_T )
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continue;
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if( !aTrack && ( track->Type() == PCB_TRACE_T || track->Type() == PCB_ARC_T ) )
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continue;
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// Test if a track (or a via) endpoint is not connected to another track or zone.
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if( m_brd->GetConnectivity()->TestTrackEndpointDangling( track ) )
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{
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std::shared_ptr<CLEANUP_ITEM> item;
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if( track->Type() == PCB_VIA_T )
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item = std::make_shared<CLEANUP_ITEM>( CLEANUP_DANGLING_VIA );
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else
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item = std::make_shared<CLEANUP_ITEM>( CLEANUP_DANGLING_TRACK );
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item->SetItems( track );
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m_itemsList->push_back( item );
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track->SetFlags( IS_DELETED );
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// keep iterating, because a track connected to the deleted track
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// now perhaps is not connected and should be deleted
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item_erased = true;
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if( !m_dryRun )
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{
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m_brd->Remove( track );
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m_commit.Removed( track );
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modified = true;
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}
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}
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}
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} while( item_erased ); // A segment was erased: test for some new dangling segments
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return modified;
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}
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void TRACKS_CLEANER::deleteTracksInPads()
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{
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std::set<BOARD_ITEM*> toRemove;
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// Delete tracks that start and end on the same pad
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std::shared_ptr<CONNECTIVITY_DATA> connectivity = m_brd->GetConnectivity();
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for( PCB_TRACK* track : m_brd->Tracks() )
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{
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if( track->IsLocked() )
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continue;
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if( track->Type() == PCB_VIA_T )
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continue;
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// Mark track if connected to pads
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for( PAD* pad : connectivity->GetConnectedPads( track ) )
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{
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if( pad->HitTest( track->GetStart() ) && pad->HitTest( track->GetEnd() ) )
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{
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SHAPE_POLY_SET poly;
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track->TransformShapeToPolygon( poly, track->GetLayer(), 0, ARC_HIGH_DEF,
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ERROR_INSIDE );
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poly.BooleanSubtract( *pad->GetEffectivePolygon(), SHAPE_POLY_SET::PM_FAST );
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if( poly.IsEmpty() )
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{
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auto item = std::make_shared<CLEANUP_ITEM>( CLEANUP_TRACK_IN_PAD );
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item->SetItems( track );
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m_itemsList->push_back( item );
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toRemove.insert( track );
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track->SetFlags( IS_DELETED );
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}
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}
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}
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}
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if( !m_dryRun )
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removeItems( toRemove );
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}
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/**
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* Geometry-based cleanup: duplicate items, null items, colinear items.
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*/
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void TRACKS_CLEANER::cleanup( bool aDeleteDuplicateVias, bool aDeleteNullSegments,
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bool aDeleteDuplicateSegments, bool aMergeSegments )
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{
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DRC_RTREE rtree;
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for( PCB_TRACK* track : m_brd->Tracks() )
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{
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track->ClearFlags( IS_DELETED | SKIP_STRUCT );
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rtree.Insert( track, track->GetLayer() );
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}
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std::set<BOARD_ITEM*> toRemove;
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for( PCB_TRACK* track : m_brd->Tracks() )
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{
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if( track->HasFlag( IS_DELETED ) || track->IsLocked() )
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continue;
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if( aDeleteDuplicateVias && track->Type() == PCB_VIA_T )
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{
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PCB_VIA* via = static_cast<PCB_VIA*>( track );
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if( via->GetStart() != via->GetEnd() )
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via->SetEnd( via->GetStart() );
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rtree.QueryColliding( via, via->GetLayer(), via->GetLayer(),
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// Filter:
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[&]( BOARD_ITEM* aItem ) -> bool
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{
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return aItem->Type() == PCB_VIA_T
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&& !aItem->HasFlag( SKIP_STRUCT )
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&& !aItem->HasFlag( IS_DELETED );
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},
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// Visitor:
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[&]( BOARD_ITEM* aItem ) -> bool
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{
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PCB_VIA* other = static_cast<PCB_VIA*>( aItem );
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if( via->GetPosition() == other->GetPosition()
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&& via->GetViaType() == other->GetViaType()
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&& via->GetLayerSet() == other->GetLayerSet() )
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{
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auto item = std::make_shared<CLEANUP_ITEM>( CLEANUP_REDUNDANT_VIA );
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item->SetItems( via );
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m_itemsList->push_back( item );
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via->SetFlags( IS_DELETED );
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toRemove.insert( via );
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}
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return true;
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} );
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// To delete through Via on THT pads at same location
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// Examine the list of connected pads: if a through pad is found, the via is redundant
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for( PAD* pad : m_brd->GetConnectivity()->GetConnectedPads( via ) )
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{
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const LSET all_cu = LSET::AllCuMask();
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if( ( pad->GetLayerSet() & all_cu ) == all_cu )
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{
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auto item = std::make_shared<CLEANUP_ITEM>( CLEANUP_REDUNDANT_VIA );
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item->SetItems( via, pad );
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m_itemsList->push_back( item );
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via->SetFlags( IS_DELETED );
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toRemove.insert( via );
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break;
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}
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}
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via->SetFlags( SKIP_STRUCT );
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}
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if( aDeleteNullSegments && track->Type() != PCB_VIA_T )
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{
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if( track->IsNull() )
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{
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auto item = std::make_shared<CLEANUP_ITEM>( CLEANUP_ZERO_LENGTH_TRACK );
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item->SetItems( track );
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m_itemsList->push_back( item );
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track->SetFlags( IS_DELETED );
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toRemove.insert( track );
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}
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}
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if( aDeleteDuplicateSegments && track->Type() == PCB_TRACE_T && !track->IsNull() )
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{
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rtree.QueryColliding( track, track->GetLayer(), track->GetLayer(),
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// Filter:
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[&]( BOARD_ITEM* aItem ) -> bool
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{
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return aItem->Type() == PCB_TRACE_T
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&& !aItem->HasFlag( SKIP_STRUCT )
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&& !aItem->HasFlag( IS_DELETED )
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&& !static_cast<PCB_TRACK*>( aItem )->IsNull();
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},
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// Visitor:
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[&]( BOARD_ITEM* aItem ) -> bool
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{
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PCB_TRACK* other = static_cast<PCB_TRACK*>( aItem );
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if( track->IsPointOnEnds( other->GetStart() )
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&& track->IsPointOnEnds( other->GetEnd() )
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&& track->GetWidth() == other->GetWidth()
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&& track->GetLayer() == other->GetLayer() )
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{
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auto item = std::make_shared<CLEANUP_ITEM>( CLEANUP_DUPLICATE_TRACK );
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item->SetItems( track );
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m_itemsList->push_back( item );
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track->SetFlags( IS_DELETED );
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toRemove.insert( track );
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}
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return true;
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} );
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track->SetFlags( SKIP_STRUCT );
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}
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}
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if( !m_dryRun )
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removeItems( toRemove );
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auto mergeSegments =
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[&]( std::shared_ptr<CN_CONNECTIVITY_ALGO> connectivity ) -> bool
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{
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for( PCB_TRACK* segment : m_brd->Tracks() )
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{
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// one can merge only collinear segments, not vias or arcs.
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if( segment->Type() != PCB_TRACE_T )
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continue;
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if( segment->HasFlag( IS_DELETED ) ) // already taken into account
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continue;
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// for each end of the segment:
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for( CN_ITEM* citem : connectivity->ItemEntry( segment ).GetItems() )
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{
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// Do not merge an end which has different width tracks attached -- it's a
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// common use-case for necking-down a track between pads.
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std::vector<PCB_TRACK*> sameWidthCandidates;
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std::vector<PCB_TRACK*> differentWidthCandidates;
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for( CN_ITEM* connected : citem->ConnectedItems() )
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{
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if( !connected->Valid() )
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continue;
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BOARD_CONNECTED_ITEM* candidate = connected->Parent();
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if( candidate->Type() == PCB_TRACE_T
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&& !candidate->HasFlag( IS_DELETED ) )
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{
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PCB_TRACK* candidateSegment = static_cast<PCB_TRACK*>( candidate );
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if( candidateSegment->GetWidth() == segment->GetWidth() )
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{
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sameWidthCandidates.push_back( candidateSegment );
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}
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else
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{
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differentWidthCandidates.push_back( candidateSegment );
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break;
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}
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}
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}
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if( !differentWidthCandidates.empty() )
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continue;
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for( PCB_TRACK* candidate : sameWidthCandidates )
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{
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if( segment->ApproxCollinear( *candidate )
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&& mergeCollinearSegments( segment, candidate ) )
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{
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return true;
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}
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}
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}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
if( aMergeSegments )
|
|
{
|
|
do
|
|
{
|
|
while( !m_brd->BuildConnectivity() )
|
|
wxSafeYield();
|
|
|
|
m_connectedItemsCache.clear();
|
|
} while( mergeSegments( m_brd->GetConnectivity()->GetConnectivityAlgo() ) );
|
|
}
|
|
|
|
for( PCB_TRACK* track : m_brd->Tracks() )
|
|
track->ClearFlags( IS_DELETED | SKIP_STRUCT );
|
|
}
|
|
|
|
|
|
const std::vector<BOARD_CONNECTED_ITEM*>& TRACKS_CLEANER::getConnectedItems( PCB_TRACK* aTrack )
|
|
{
|
|
const std::shared_ptr<CONNECTIVITY_DATA>& connectivity = m_brd->GetConnectivity();
|
|
|
|
if( m_connectedItemsCache.count( aTrack ) == 0 )
|
|
{
|
|
m_connectedItemsCache[ aTrack ] =
|
|
connectivity->GetConnectedItems( aTrack, { PCB_TRACE_T, PCB_ARC_T, PCB_VIA_T,
|
|
PCB_PAD_T, PCB_ZONE_T } );
|
|
}
|
|
|
|
return m_connectedItemsCache[ aTrack ];
|
|
}
|
|
|
|
|
|
bool TRACKS_CLEANER::mergeCollinearSegments( PCB_TRACK* aSeg1, PCB_TRACK* aSeg2 )
|
|
{
|
|
if( aSeg1->IsLocked() || aSeg2->IsLocked() )
|
|
return false;
|
|
|
|
// Collect the unique points where the two tracks are connected to other items
|
|
std::set<VECTOR2I> pts;
|
|
|
|
auto collectPts =
|
|
[&]( BOARD_CONNECTED_ITEM* citem )
|
|
{
|
|
if( citem->Type() == PCB_TRACE_T || citem->Type() == PCB_ARC_T
|
|
|| citem->Type() == PCB_VIA_T )
|
|
{
|
|
PCB_TRACK* track = static_cast<PCB_TRACK*>( citem );
|
|
|
|
if( track->IsPointOnEnds( aSeg1->GetStart() ) )
|
|
pts.emplace( aSeg1->GetStart() );
|
|
|
|
if( track->IsPointOnEnds( aSeg1->GetEnd() ) )
|
|
pts.emplace( aSeg1->GetEnd() );
|
|
|
|
if( track->IsPointOnEnds( aSeg2->GetStart() ) )
|
|
pts.emplace( aSeg2->GetStart() );
|
|
|
|
if( track->IsPointOnEnds( aSeg2->GetEnd() ) )
|
|
pts.emplace( aSeg2->GetEnd() );
|
|
}
|
|
else
|
|
{
|
|
if( citem->HitTest( aSeg1->GetStart(), ( aSeg1->GetWidth() + 1 ) / 2 ) )
|
|
pts.emplace( aSeg1->GetStart() );
|
|
|
|
if( citem->HitTest( aSeg1->GetEnd(), ( aSeg1->GetWidth() + 1 ) / 2 ) )
|
|
pts.emplace( aSeg1->GetEnd() );
|
|
|
|
if( citem->HitTest( aSeg2->GetStart(), ( aSeg2->GetWidth() + 1 ) / 2 ) )
|
|
pts.emplace( aSeg2->GetStart() );
|
|
|
|
if( citem->HitTest( aSeg2->GetEnd(), ( aSeg2->GetWidth() + 1 ) / 2 ) )
|
|
pts.emplace( aSeg2->GetEnd() );
|
|
}
|
|
};
|
|
|
|
for( BOARD_CONNECTED_ITEM* item : getConnectedItems( aSeg1 ) )
|
|
{
|
|
if( item != aSeg1 && item != aSeg2 )
|
|
collectPts( item );
|
|
}
|
|
|
|
for( BOARD_CONNECTED_ITEM* item : getConnectedItems( aSeg2 ) )
|
|
{
|
|
if( item != aSeg1 && item != aSeg2 )
|
|
collectPts( item );
|
|
}
|
|
|
|
// This means there is a node in the center
|
|
if( pts.size() > 2 )
|
|
return false;
|
|
|
|
// Verify the removed point after merging is not a node.
|
|
// If it is a node (i.e. if more than one other item is connected, the segments cannot be merged
|
|
PCB_TRACK dummy_seg( *aSeg1 );
|
|
|
|
// Calculate the new ends of the segment to merge, and store them to dummy_seg:
|
|
int min_x = std::min( aSeg1->GetStart().x,
|
|
std::min( aSeg1->GetEnd().x, std::min( aSeg2->GetStart().x, aSeg2->GetEnd().x ) ) );
|
|
int min_y = std::min( aSeg1->GetStart().y,
|
|
std::min( aSeg1->GetEnd().y, std::min( aSeg2->GetStart().y, aSeg2->GetEnd().y ) ) );
|
|
int max_x = std::max( aSeg1->GetStart().x,
|
|
std::max( aSeg1->GetEnd().x, std::max( aSeg2->GetStart().x, aSeg2->GetEnd().x ) ) );
|
|
int max_y = std::max( aSeg1->GetStart().y,
|
|
std::max( aSeg1->GetEnd().y, std::max( aSeg2->GetStart().y, aSeg2->GetEnd().y ) ) );
|
|
|
|
if( ( aSeg1->GetStart().x > aSeg1->GetEnd().x )
|
|
== ( aSeg1->GetStart().y > aSeg1->GetEnd().y ) )
|
|
{
|
|
dummy_seg.SetStart( VECTOR2I( min_x, min_y ) );
|
|
dummy_seg.SetEnd( VECTOR2I( max_x, max_y ) );
|
|
}
|
|
else
|
|
{
|
|
dummy_seg.SetStart( VECTOR2I( min_x, max_y ) );
|
|
dummy_seg.SetEnd( VECTOR2I( max_x, min_y ) );
|
|
}
|
|
|
|
// If the existing connected points are not the same as the points generated by our
|
|
// min/max alg, then assign the missing points to the end closest. This ensures that
|
|
// our replacement track is still connected
|
|
for( auto& pt : pts )
|
|
{
|
|
if( !dummy_seg.IsPointOnEnds( VECTOR2I( pt.x, pt.y ) ) )
|
|
{
|
|
if( ( VECTOR2I( dummy_seg.GetStart() ) - pt ).SquaredEuclideanNorm() <
|
|
( VECTOR2I( dummy_seg.GetEnd() ) - pt ).SquaredEuclideanNorm() )
|
|
dummy_seg.SetStart( VECTOR2I( pt.x, pt.y ) );
|
|
else
|
|
dummy_seg.SetEnd( VECTOR2I( pt.x, pt.y ) );
|
|
}
|
|
}
|
|
|
|
// Now find the removed end(s) and stop merging if it is a node:
|
|
if( aSeg1->GetStart() != dummy_seg.GetStart() && aSeg1->GetStart() != dummy_seg.GetEnd() )
|
|
{
|
|
if( testTrackEndpointIsNode( aSeg1, true ) )
|
|
return false;
|
|
}
|
|
|
|
if( aSeg1->GetEnd() != dummy_seg.GetStart() && aSeg1->GetEnd() != dummy_seg.GetEnd() )
|
|
{
|
|
if( testTrackEndpointIsNode( aSeg1, false ) )
|
|
return false;
|
|
}
|
|
|
|
std::shared_ptr<CLEANUP_ITEM> item = std::make_shared<CLEANUP_ITEM>( CLEANUP_MERGE_TRACKS );
|
|
item->SetItems( aSeg1, aSeg2 );
|
|
m_itemsList->push_back( item );
|
|
|
|
aSeg2->SetFlags( IS_DELETED );
|
|
|
|
if( !m_dryRun )
|
|
{
|
|
m_commit.Modify( aSeg1 );
|
|
*aSeg1 = dummy_seg;
|
|
|
|
m_brd->GetConnectivity()->Update( aSeg1 );
|
|
|
|
// Clear the status flags here after update.
|
|
for( PAD* pad : m_brd->GetConnectivity()->GetConnectedPads( aSeg1 ) )
|
|
{
|
|
aSeg1->SetState( BEGIN_ONPAD, pad->HitTest( aSeg1->GetStart() ) );
|
|
aSeg1->SetState( END_ONPAD, pad->HitTest( aSeg1->GetEnd() ) );
|
|
}
|
|
|
|
// Merge successful, seg2 has to go away
|
|
m_brd->Remove( aSeg2 );
|
|
m_commit.Removed( aSeg2 );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void TRACKS_CLEANER::removeItems( std::set<BOARD_ITEM*>& aItems )
|
|
{
|
|
for( BOARD_ITEM* item : aItems )
|
|
{
|
|
m_brd->Remove( item );
|
|
m_commit.Removed( item );
|
|
}
|
|
}
|