Exemplo n.º 1
0
void BOARD::SynchronizeNetsAndNetClasses()
{
    NETCLASSES& netClasses = m_designSettings.m_NetClasses;
    NETCLASSPTR defaultNetClass = netClasses.GetDefault();

    // set all NETs to the default NETCLASS, then later override some
    // as we go through the NETCLASSes.

    for( NETINFO_LIST::iterator net( m_NetInfo.begin() ), netEnd( m_NetInfo.end() );
                net != netEnd; ++net )
    {
        net->SetClass( defaultNetClass );
    }

    // Add netclass name and pointer to nets.  If a net is in more than one netclass,
    // set the net's name and pointer to only the first netclass.  Subsequent
    // and therefore bogus netclass memberships will be deleted in logic below this loop.
    for( NETCLASSES::iterator clazz = netClasses.begin(); clazz != netClasses.end(); ++clazz )
    {
        NETCLASSPTR netclass = clazz->second;

        for( NETCLASS::const_iterator member = netclass->begin(); member != netclass->end(); ++member )
        {
            const wxString& netname = *member;

            // although this overall function seems to be adequately fast,
            // FindNet( wxString ) uses now a fast binary search and is fast
            // event for large net lists
            NETINFO_ITEM* net = FindNet( netname );

            if( net && net->GetClassName() == NETCLASS::Default )
            {
                net->SetClass( netclass );
            }
        }
    }

    // Finally, make sure that every NET is in a NETCLASS, even if that
    // means the Default NETCLASS.  And make sure that all NETCLASSes do not
    // contain netnames that do not exist, by deleting all netnames from
    // every netclass and re-adding them.

    for( NETCLASSES::iterator clazz = netClasses.begin(); clazz != netClasses.end(); ++clazz )
    {
        NETCLASSPTR netclass = clazz->second;

        netclass->Clear();
    }

    defaultNetClass->Clear();

    for( NETINFO_LIST::iterator net( m_NetInfo.begin() ), netEnd( m_NetInfo.end() );
            net != netEnd; ++net )
    {
        const wxString& classname = net->GetClassName();

        // because of the std:map<> this should be fast, and because of
        // prior logic, netclass should not be NULL.
        NETCLASSPTR netclass = netClasses.Find( classname );

        wxASSERT( netclass );

        netclass->Add( net->GetNetname() );
    }

    // Set initial values for custom track width & via size to match the default netclass settings
    m_designSettings.UseCustomTrackViaSize( false );
    m_designSettings.SetCustomTrackWidth( defaultNetClass->GetTrackWidth() );
    m_designSettings.SetCustomViaSize( defaultNetClass->GetViaDiameter() );
    m_designSettings.SetCustomViaDrill( defaultNetClass->GetViaDrill() );
}
Exemplo n.º 2
0
void BOARD::SynchronizeNetsAndNetClasses()
{
    // D(printf("start\n");)       // simple performance/timing indicator.

    // set all NETs to the default NETCLASS, then later override some
    // as we go through the NETCLASSes.

    int count = m_NetInfo.GetNetCount();
    for( int i=0;  i<count;  ++i )
    {
        NETINFO_ITEM* net = FindNet( i );
        if( net )
            net->SetClass( m_NetClasses.GetDefault() );
    }

    // Add netclass name and pointer to nets.  If a net is in more than one netclass,
    // set the net's name and pointer to only the first netclass.  Subsequent
    // and therefore bogus netclass memberships will be deleted in logic below this loop.
    for( NETCLASSES::iterator clazz=m_NetClasses.begin();  clazz!=m_NetClasses.end();  ++clazz )
    {
        NETCLASS* netclass = clazz->second;

        for( NETCLASS::iterator member = netclass->begin();  member!=netclass->end();  ++member )
        {
            const wxString&  netname = *member;

            // although this overall function seems to be adequately fast,
            // FindNet( wxString ) uses now a fast binary search and is fast
            // event for large net lists
            NETINFO_ITEM* net = FindNet( netname );

            if( net && net->GetClassName() == NETCLASS::Default )
            {
                net->SetClass( netclass );
            }
        }
    }

    // Finally, make sure that every NET is in a NETCLASS, even if that
    // means the Default NETCLASS.  And make sure that all NETCLASSes do not
    // contain netnames that do not exist, by deleting all netnames from
    // every netclass and re-adding them.

    for( NETCLASSES::iterator clazz=m_NetClasses.begin();  clazz!=m_NetClasses.end();  ++clazz )
    {
        NETCLASS* netclass = clazz->second;

        netclass->Clear();
    }

    m_NetClasses.GetDefault()->Clear();

    for( int i=0;  i<count;  ++i )
    {
        NETINFO_ITEM* net = FindNet( i );
        if( net )
        {
            const wxString& classname = net->GetClassName();

            // because of the std:map<> this should be fast, and because of
            // prior logic, netclass should not be NULL.
            NETCLASS* netclass = m_NetClasses.Find( classname );

            wxASSERT( netclass );

            netclass->Add( net->GetNetname() );
        }
    }

    // D(printf("stop\n");)
}
/**
 * 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
}