void PNS_ROUTER::updateView( PNS_NODE* aNode, PNS_ITEMSET& aCurrent )
{
PNS_NODE::ITEM_VECTOR removed, added;
PNS_NODE::OBSTACLES obstacles;
if( !aNode )
return;
if( Settings().Mode() == RM_MarkObstacles )
markViolations( aNode, aCurrent, removed );
aNode->GetUpdatedItems( removed, added );
for( PNS_ITEM* item : added )
{
DisplayItem( item );
}
for( PNS_ITEM* item : removed )
{
BOARD_CONNECTED_ITEM* parent = item->Parent();
if( parent )
{
if( parent->ViewIsVisible() )
m_hiddenItems.insert( parent );
parent->ViewSetVisible( false );
parent->ViewUpdate( KIGFX::VIEW_ITEM::APPEARANCE );
}
}
}
int SELECTION_TOOL::selectConnection( const TOOL_EVENT& aEvent )
{
BOARD_CONNECTED_ITEM* item = m_selection.Item<BOARD_CONNECTED_ITEM>( 0 );
int segmentCount;
if( item->Type() != PCB_TRACE_T && item->Type() != PCB_VIA_T )
return 0;
clearSelection();
TRACK* trackList = getModel<BOARD>()->MarkTrace( static_cast<TRACK*>( item ), &segmentCount,
NULL, NULL, true );
if( segmentCount == 0 )
return 0;
for( int i = 0; i < segmentCount; ++i )
{
select( trackList );
trackList = trackList->Next();
}
// Inform other potentially interested tools
TOOL_EVENT selectEvent( SelectedEvent );
m_toolMgr->ProcessEvent( selectEvent );
return 0;
}
int PNS_PCBNEW_CLEARANCE_RESOLVER::localPadClearance( const PNS_ITEM* aItem ) const
{
BOARD_CONNECTED_ITEM *parent = aItem->Parent<BOARD_CONNECTED_ITEM>();
if( !parent || parent->Type() != PCB_PAD_T )
return 0;
const D_PAD* pad = static_cast<D_PAD*>( parent );
return pad->GetLocalClearance();
}
void PNS_KICAD_IFACE::AddItem( PNS::ITEM* aItem )
{
BOARD_CONNECTED_ITEM* newBI = NULL;
switch( aItem->Kind() )
{
case PNS::ITEM::SEGMENT_T:
{
PNS::SEGMENT* seg = static_cast<PNS::SEGMENT*>( aItem );
TRACK* track = new TRACK( m_board );
const SEG& s = seg->Seg();
track->SetStart( wxPoint( s.A.x, s.A.y ) );
track->SetEnd( wxPoint( s.B.x, s.B.y ) );
track->SetWidth( seg->Width() );
track->SetLayer( ToLAYER_ID( seg->Layers().Start() ) );
track->SetNetCode( seg->Net() > 0 ? seg->Net() : 0 );
newBI = track;
break;
}
case PNS::ITEM::VIA_T:
{
VIA* via_board = new VIA( m_board );
PNS::VIA* via = static_cast<PNS::VIA*>( aItem );
via_board->SetPosition( wxPoint( via->Pos().x, via->Pos().y ) );
via_board->SetWidth( via->Diameter() );
via_board->SetDrill( via->Drill() );
via_board->SetNetCode( via->Net() > 0 ? via->Net() : 0 );
via_board->SetViaType( via->ViaType() ); // MUST be before SetLayerPair()
via_board->SetLayerPair( ToLAYER_ID( via->Layers().Start() ),
ToLAYER_ID( via->Layers().End() ) );
newBI = via_board;
break;
}
default:
break;
}
if( newBI )
{
aItem->SetParent( newBI );
newBI->ClearFlags();
m_commit->Add( newBI );
}
}
int SELECTION_TOOL::selectNet( const TOOL_EVENT& aEvent )
{
std::list<BOARD_CONNECTED_ITEM*> itemsList;
RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
BOARD_CONNECTED_ITEM* item = m_selection.Item<BOARD_CONNECTED_ITEM>( 0 );
int netCode = item->GetNetCode();
clearSelection();
ratsnest->GetNetItems( netCode, itemsList, (RN_ITEM_TYPE)( RN_TRACKS | RN_VIAS ) );
BOOST_FOREACH( BOARD_CONNECTED_ITEM* i, itemsList )
select( i );
// Inform other potentially interested tools
if( itemsList.size() > 0 )
{
TOOL_EVENT selectEvent( SelectedEvent );
m_toolMgr->ProcessEvent( selectEvent );
}
return 0;
}
/*
* This function starts a new track segment.
* If a new track segment is in progress, ends this current new segment,
* and created a new one.
*/
TRACK* PCB_EDIT_FRAME::Begin_Route( TRACK* aTrack, wxDC* aDC )
{
TRACK* TrackOnStartPoint = NULL;
int layerMask = GetLayerMask( GetScreen()->m_Active_Layer );
BOARD_CONNECTED_ITEM* LockPoint;
wxPoint pos = GetScreen()->GetCrossHairPosition();
if( aTrack == NULL ) // Starting a new track segment
{
m_canvas->SetMouseCapture( ShowNewTrackWhenMovingCursor, Abort_Create_Track );
// Prepare the undo command info
s_ItemsListPicker.ClearListAndDeleteItems(); // Should not be necessary, but...
GetBoard()->PushHighLight();
// erase old highlight
if( GetBoard()->IsHighLightNetON() )
HighLight( aDC );
g_CurrentTrackList.PushBack( new TRACK( GetBoard() ) );
g_CurrentTrackSegment->SetFlags( IS_NEW );
GetBoard()->SetHighLightNet( 0 );
// Search for a starting point of the new track, a track or pad
LockPoint = GetBoard()->GetLockPoint( pos, layerMask );
D_PAD* pad = NULL;
if( LockPoint ) // An item (pad or track) is found
{
if( LockPoint->Type() == PCB_PAD_T )
{
pad = (D_PAD*) LockPoint;
// A pad is found: put the starting point on pad center
pos = pad->GetPosition();
GetBoard()->SetHighLightNet( pad->GetNet() );
}
else // A track segment is found
{
TrackOnStartPoint = (TRACK*) LockPoint;
GetBoard()->SetHighLightNet( TrackOnStartPoint->GetNet() );
GetBoard()->CreateLockPoint( pos, TrackOnStartPoint, &s_ItemsListPicker );
}
}
else
{
// Not a starting point, but a filled zone area can exist. This is also a
// good starting point.
ZONE_CONTAINER* zone;
zone = GetBoard()->HitTestForAnyFilledArea( pos, GetScreen()-> m_Active_Layer );
if( zone )
GetBoard()->SetHighLightNet( zone->GetNet() );
}
D( g_CurrentTrackList.VerifyListIntegrity() );
BuildAirWiresTargetsList( LockPoint, wxPoint( 0, 0 ), true );
D( g_CurrentTrackList.VerifyListIntegrity() );
GetBoard()->HighLightON();
GetBoard()->DrawHighLight( m_canvas, aDC, GetBoard()->GetHighLightNetCode() );
// Display info about track Net class, and init track and vias sizes:
g_CurrentTrackSegment->SetNet( GetBoard()->GetHighLightNetCode() );
GetBoard()->SetCurrentNetClass( g_CurrentTrackSegment->GetNetClassName() );
g_CurrentTrackSegment->SetLayer( GetScreen()->m_Active_Layer );
g_CurrentTrackSegment->SetWidth( GetBoard()->GetCurrentTrackWidth() );
if( GetBoard()->GetDesignSettings().m_UseConnectedTrackWidth )
{
if( TrackOnStartPoint && TrackOnStartPoint->Type() == PCB_TRACE_T )
g_CurrentTrackSegment->SetWidth( TrackOnStartPoint->GetWidth());
}
g_CurrentTrackSegment->SetStart( pos );
g_CurrentTrackSegment->SetEnd( pos );
if( pad )
{
g_CurrentTrackSegment->m_PadsConnected.push_back( pad );
// Useful to display track length, if the pad has a die length:
g_CurrentTrackSegment->SetState( BEGIN_ONPAD, ON );
g_CurrentTrackSegment->start = pad;
}
if( g_TwoSegmentTrackBuild )
{
// Create 2nd segment
g_CurrentTrackList.PushBack( (TRACK*)g_CurrentTrackSegment->Clone() );
D( g_CurrentTrackList.VerifyListIntegrity(); );
g_CurrentTrackSegment->start = g_FirstTrackSegment;
g_FirstTrackSegment->end = g_CurrentTrackSegment;
g_FirstTrackSegment->SetState( BEGIN_ONPAD | END_ONPAD, OFF );
}
void PNS_ROUTER::CommitRouting( PNS_NODE* aNode )
{
PNS_NODE::ITEM_VECTOR removed, added;
aNode->GetUpdatedItems( removed, added );
for( unsigned int i = 0; i < removed.size(); i++ )
{
BOARD_CONNECTED_ITEM* parent = removed[i]->Parent();
if( parent )
{
m_view->Remove( parent );
m_board->Remove( parent );
m_undoBuffer.PushItem( ITEM_PICKER( parent, UR_DELETED ) );
}
}
for( PNS_ITEM* item : added )
{
BOARD_CONNECTED_ITEM* newBI = NULL;
switch( item->Kind() )
{
case PNS_ITEM::SEGMENT:
{
PNS_SEGMENT* seg = static_cast<PNS_SEGMENT*>( item );
TRACK* track = new TRACK( m_board );
const SEG& s = seg->Seg();
track->SetStart( wxPoint( s.A.x, s.A.y ) );
track->SetEnd( wxPoint( s.B.x, s.B.y ) );
track->SetWidth( seg->Width() );
track->SetLayer( ToLAYER_ID( seg->Layers().Start() ) );
track->SetNetCode( seg->Net() > 0 ? seg->Net() : 0 );
newBI = track;
break;
}
case PNS_ITEM::VIA:
{
VIA* via_board = new VIA( m_board );
PNS_VIA* via = static_cast<PNS_VIA*>( item );
via_board->SetPosition( wxPoint( via->Pos().x, via->Pos().y ) );
via_board->SetWidth( via->Diameter() );
via_board->SetDrill( via->Drill() );
via_board->SetNetCode( via->Net() > 0 ? via->Net() : 0 );
via_board->SetViaType( via->ViaType() ); // MUST be before SetLayerPair()
via_board->SetLayerPair( ToLAYER_ID( via->Layers().Start() ),
ToLAYER_ID( via->Layers().End() ) );
newBI = via_board;
break;
}
default:
break;
}
if( newBI )
{
item->SetParent( newBI );
newBI->ClearFlags();
m_view->Add( newBI );
m_board->Add( newBI );
m_undoBuffer.PushItem( ITEM_PICKER( newBI, UR_NEW ) );
newBI->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
}
}
m_board->GetRatsnest()->Recalculate();
m_world->Commit( aNode );
}
/* Test a list of track segments, to create or propagate a sub netcode to pads and
* segments connected together.
* The track list must be sorted by nets, and all segments
* from m_firstTrack to m_lastTrack have the same net
* When 2 items are connected (a track to a pad, or a track to an other track),
* they are grouped in a cluster.
* The .m_Subnet member is the cluster identifier (subnet id)
* For a given net, if all tracks are created, there is only one cluster.
* but if not all tracks are created, there are more than one cluster,
* and some ratsnests will be left active.
* A ratsnest is active when it "connect" 2 items having different subnet id
*/
void CONNECTIONS::Propagate_SubNets()
{
int sub_netcode = 1;
TRACK* curr_track = (TRACK*)m_firstTrack;
if( curr_track )
curr_track->SetSubNet( sub_netcode );
// Examine connections between tracks and pads
for( ; curr_track != NULL; curr_track = curr_track->Next() )
{
// First: handling connections to pads
for( unsigned ii = 0; ii < curr_track->m_PadsConnected.size(); ii++ )
{
D_PAD * pad = curr_track->m_PadsConnected[ii];
if( curr_track->GetSubNet() ) // the track segment is already a cluster member
{
if( pad->GetSubNet() > 0 )
{
// The pad is already a cluster member, so we can merge the 2 clusters
Merge_SubNets( pad->GetSubNet(), curr_track->GetSubNet() );
}
else
{
/* The pad is not yet attached to a cluster , so we can add this pad to
* the cluster */
pad->SetSubNet( curr_track->GetSubNet() );
}
}
else // the track segment is not attached to a cluster
{
if( pad->GetSubNet() > 0 )
{
// it is connected to a pad in a cluster, merge this track
curr_track->SetSubNet( pad->GetSubNet() );
}
else
{
/* it is connected to a pad not in a cluster, so we must create a new
* cluster (only with the 2 items: the track and the pad) */
sub_netcode++;
curr_track->SetSubNet( sub_netcode );
pad->SetSubNet( curr_track->GetSubNet() );
}
}
}
// Test connections between segments
for( unsigned ii = 0; ii < curr_track->m_TracksConnected.size(); ii++ )
{
BOARD_CONNECTED_ITEM* track = curr_track->m_TracksConnected[ii];
if( curr_track->GetSubNet() ) // The current track is already a cluster member
{
// The other track is already a cluster member, so we can merge the 2 clusters
if( track->GetSubNet() )
{
Merge_SubNets( track->GetSubNet(), curr_track->GetSubNet() );
}
else
{
// The other track is not yet attached to a cluster , so we can add this
// other track to the cluster
track->SetSubNet( curr_track->GetSubNet() );
}
}
else // the current track segment is not yet attached to a cluster
{
if( track->GetSubNet() )
{
// The other track is already a cluster member, so we can add
// the current segment to the cluster
curr_track->SetSubNet( track->GetSubNet() );
}
else
{
// it is connected to an other segment not in a cluster, so we must
// create a new cluster (only with the 2 track segments)
sub_netcode++;
curr_track->SetSubNet( sub_netcode );
track->SetSubNet( curr_track->GetSubNet() );
}
}
}
if( curr_track == m_lastTrack )
break;
}
// Examine connections between intersecting pads, and propagate
// sub_netcodes to intersecting pads
for( unsigned ii = 0; ii < m_sortedPads.size(); ii++ )
{
D_PAD* curr_pad = m_sortedPads[ii];
for( unsigned jj = 0; jj < curr_pad->m_PadsConnected.size(); jj++ )
{
D_PAD* pad = curr_pad->m_PadsConnected[jj];
if( curr_pad->GetSubNet() ) // the current pad is already attached to a cluster
{
if( pad->GetSubNet() > 0 )
{
// The pad is already a cluster member, so we can merge the 2 clusters
// Store the initial subnets, which will be modified by Merge_PadsSubNets
int subnet1 = pad->GetSubNet();
int subnet2 = curr_pad->GetSubNet();
// merge subnets of pads only, even those not connected by tracks
Merge_PadsSubNets( subnet1, subnet2 );
// merge subnets of tracks (and pads, which are already merged)
Merge_SubNets( subnet1, subnet2 );
}
else
{
// The pad is not yet attached to a cluster,
// so we can add this pad to the cluster
pad->SetSubNet( curr_pad->GetSubNet() );
}
}
else // the current pad is not attached to a cluster
{
if( pad->GetSubNet() > 0 )
{
// the connected pad is in a cluster,
// so we can add the current pad to the cluster
curr_pad->SetSubNet( pad->GetSubNet() );
}
else
{
// the connected pad is not in a cluster,
// so we must create a new cluster, with the 2 pads.
sub_netcode++;
curr_pad->SetSubNet( sub_netcode );
pad->SetSubNet( curr_pad->GetSubNet() );
}
}
}
}
}
/**
* Function Test_Connection_To_Copper_Areas
* init .m_ZoneSubnet parameter in tracks and pads according to the connections to areas found
* @param aNetcode = netcode to analyse. if -1, analyse all nets
*/
void BOARD::Test_Connections_To_Copper_Areas( int aNetcode )
{
// list of pads and tracks candidates on this layer and on this net.
// It is static to avoid multiple memory realloc.
static std::vector <BOARD_CONNECTED_ITEM*> candidates;
// clear .m_ZoneSubnet parameter for pads
for( MODULE* module = m_Modules; module; module = module->Next() )
{
for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() )
if( aNetcode < 0 || aNetcode == pad->GetNetCode() )
pad->SetZoneSubNet( 0 );
}
// clear .m_ZoneSubnet parameter for tracks and vias
for( TRACK* track = m_Track; track; track = track->Next() )
{
if( aNetcode < 0 || aNetcode == track->GetNetCode() )
track->SetZoneSubNet( 0 );
}
// examine all zones, net by net:
int subnet = 0;
// Build zones candidates list
std::vector<ZONE_CONTAINER*> zones_candidates;
zones_candidates.reserve( GetAreaCount() );
for( int index = 0; index < GetAreaCount(); index++ )
{
ZONE_CONTAINER* zone = GetArea( index );
if( !zone->IsOnCopperLayer() )
continue;
if( aNetcode >= 0 && aNetcode != zone->GetNetCode() )
continue;
if( zone->GetFilledPolysList().GetCornersCount() == 0 )
continue;
zones_candidates.push_back( zone );
}
// sort them by netcode then vertices count.
// For a given net, examine the smaller zones first slightly speed up calculation
// (25% faster)
// this is only noticeable with very large boards and depends on board zones topology
// This is due to the fact some items are connected by small zones ares,
// before examining large zones areas and these items are not tested after a connection is found
sort( zones_candidates.begin(), zones_candidates.end(), sort_areas );
int oldnetcode = -1;
for( unsigned idx = 0; idx < zones_candidates.size(); idx++ )
{
ZONE_CONTAINER* zone = zones_candidates[idx];
int netcode = zone->GetNetCode();
// Build a list of candidates connected to the net:
// At this point, layers are not considered, because areas on different layers can
// be connected by a via or a pad.
// (because zones are sorted by netcode, there is made only once per net)
NETINFO_ITEM* net = FindNet( netcode );
wxASSERT( net );
if( net == NULL )
continue;
if( oldnetcode != netcode )
{
oldnetcode = netcode;
candidates.clear();
// Build the list of pads candidates connected to the net:
candidates.reserve( net->m_PadInNetList.size() );
for( unsigned ii = 0; ii < net->m_PadInNetList.size(); ii++ )
candidates.push_back( net->m_PadInNetList[ii] );
// Build the list of track candidates connected to the net:
TRACK* track = m_Track.GetFirst()->GetStartNetCode( netcode );
for( ; track; track = track->Next() )
{
if( track->GetNetCode() != netcode )
break;
candidates.push_back( track );
}
}
// test if a candidate is inside a filled area of this zone
unsigned indexstart = 0, indexend;
const CPOLYGONS_LIST& polysList = zone->GetFilledPolysList();
for( indexend = 0; indexend < polysList.GetCornersCount(); indexend++ )
{
// end of a filled sub-area found
if( polysList.IsEndContour( indexend ) )
{
subnet++;
EDA_RECT bbox = zone->CalculateSubAreaBoundaryBox( indexstart, indexend );
for( unsigned ic = 0; ic < candidates.size(); ic++ )
{
// test if this area is connected to a board item:
BOARD_CONNECTED_ITEM* item = candidates[ic];
if( item->GetZoneSubNet() == subnet ) // Already merged
continue;
if( !item->IsOnLayer( zone->GetLayer() ) )
continue;
wxPoint pos1, pos2;
if( item->Type() == PCB_PAD_T )
{
// For pads we use the shape position instead of
// the pad position, because the zones are connected
// to the center of the shape, not the pad position
// (this is important for pads with thermal relief)
pos1 = pos2 = ( (D_PAD*) item )->ShapePos();
}
else if( item->Type() == PCB_VIA_T )
{
const VIA *via = static_cast<const VIA*>( item );
pos1 = via->GetStart();
pos2 = pos1;
}
else if( item->Type() == PCB_TRACE_T )
{
const TRACK *trk = static_cast<const TRACK*>( item );
pos1 = trk->GetStart();
pos2 = trk->GetEnd();
}
else
{
continue;
}
bool connected = false;
if( bbox.Contains( pos1 ) )
{
if( TestPointInsidePolygon( polysList, indexstart,
indexend, pos1.x, pos1.y ) )
connected = true;
}
if( !connected && (pos1 != pos2 ) )
{
if( bbox.Contains( pos2 ) )
{
if( TestPointInsidePolygon( polysList,
indexstart, indexend,
pos2.x, pos2.y ) )
connected = true;
}
}
if( connected )
{
// Set ZoneSubnet to the current subnet value.
// If the previous subnet is not 0, merge all items with old subnet
// to the new one
int old_subnet = item->GetZoneSubNet();
item->SetZoneSubNet( subnet );
// Merge previous subnet with the current
if( (old_subnet > 0) && (old_subnet != subnet) )
{
for( unsigned jj = 0; jj < candidates.size(); jj++ )
{
BOARD_CONNECTED_ITEM* item_to_merge = candidates[jj];
if( old_subnet == item_to_merge->GetZoneSubNet() )
{
item_to_merge->SetZoneSubNet( subnet );
}
}
} // End if ( old_subnet > 0 )
} // End if( connected )
}
// End test candidates for the current filled area
indexstart = indexend + 1; // prepare test next area, starting at indexend+1
// (if exists). End read one area in
// zone->m_FilledPolysList
}
} // End read all segments in zone
} // End read all zones candidates
}
/**
* Function Merge_SubNets_Connected_By_CopperAreas(BOARD* aPcb, int aNetcode)
* Used after connections by tracks calculations
* Merge subnets, in tracks ans pads when they are connected by a filled copper area
* for pads, this is the .m_physical_connexion member which is tested and modified
* for tracks, this is the .m_Subnet member which is tested and modified
* these members are block numbers (or cluster numbers) for a given net,
* calculated by Build_Pads_Info_Connections_By_Tracks()
* The result is merging 2 blocks (or subnets)
* @param aPcb = the current board
* @param aNetcode = netcode to consider
*/
void Merge_SubNets_Connected_By_CopperAreas( BOARD* aPcb, int aNetcode )
{
// Ensure a zone with the given netcode exists: examine all zones:
bool found = false;
for( int index = 0; index < aPcb->GetAreaCount(); index++ )
{
ZONE_CONTAINER* zone = aPcb->GetArea( index );
if( aNetcode == zone->GetNetCode() )
{
found = true;
break;
}
}
if( !found ) // No zone with this netcode, therefore no connection by zone
return;
// list of pads and tracks candidates to test:
// It is static to avoid multiple memory realloc.
static std::vector <BOARD_CONNECTED_ITEM*> Candidates;
Candidates.clear();
// Build the list of pads candidates connected to the net:
NETINFO_ITEM* net = aPcb->FindNet( aNetcode );
wxASSERT( net );
Candidates.reserve( net->m_PadInNetList.size() );
for( unsigned ii = 0; ii < net->m_PadInNetList.size(); ii++ )
Candidates.push_back( net->m_PadInNetList[ii] );
// Build the list of track candidates connected to the net:
TRACK* track;
track = aPcb->m_Track.GetFirst()->GetStartNetCode( aNetcode );
for( ; track; track = track->Next() )
{
if( track->GetNetCode() != aNetcode )
break;
Candidates.push_back( track );
}
if( Candidates.size() == 0 )
return;
int next_subnet_free_number = 0;
for( unsigned ii = 0; ii < Candidates.size(); ii++ )
{
int subnet = Candidates[ii]->GetSubNet();
next_subnet_free_number = std::max( next_subnet_free_number, subnet );
}
next_subnet_free_number++; // This is a subnet we can use with not connected items
// by tracks, but connected by zone.
// Sort by zone_subnet:
sort( Candidates.begin(), Candidates.end(), CmpZoneSubnetValue );
// Some items can be not connected, but they can be connected to a filled area:
// give them a subnet common to these items connected only by the area,
// and not already used.
// a value like next_subnet_free_number+zone_subnet is right
for( unsigned jj = 0; jj < Candidates.size(); jj++ )
{
BOARD_CONNECTED_ITEM* item = Candidates[jj];
if ( item->GetSubNet() == 0 && (item->GetZoneSubNet() > 0) )
{
item->SetSubNet( next_subnet_free_number + item->GetZoneSubNet() );
}
}
// Now, for each zone subnet, we search for 2 items with different subnets.
// if found, the 2 subnet are merged in the whole candidate list.
int old_subnet = 0;
int old_zone_subnet = 0;
for( unsigned ii = 0; ii < Candidates.size(); ii++ )
{
BOARD_CONNECTED_ITEM* item = Candidates[ii];
int zone_subnet = item->GetZoneSubNet();
if( zone_subnet == 0 ) // Not connected by a filled area, skip it
continue;
int subnet = item->GetSubNet();
if( zone_subnet != old_zone_subnet ) // a new zone subnet is found
{
old_subnet = subnet;
old_zone_subnet = zone_subnet;
continue;
}
zone_subnet = old_zone_subnet;
// 2 successive items already from the same cluster: nothing to do
if( subnet == old_subnet )
continue;
// Here we have 2 items connected by the same area have 2 differents subnets: merge subnets
if( (subnet > old_subnet) || ( subnet <= 0) )
EXCHG( subnet, old_subnet );
for( unsigned jj = 0; jj < Candidates.size(); jj++ )
{
BOARD_CONNECTED_ITEM * item_to_merge = Candidates[jj];
if( item_to_merge->GetSubNet() == old_subnet )
item_to_merge->SetSubNet( subnet );
}
old_subnet = subnet;
}
}
