Gerber plotter: better choice of aperture attributes in internal layers.
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jean-pierre charras
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a8d5d9b690
commit
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@ -1,7 +1,7 @@
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/*
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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) 1992-2019 KiCad Developers, see AUTHORS.txt for contributors.
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* Copyright (C) 1992-2020 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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@ -89,26 +89,32 @@ void BRDITEMS_PLOTTER::PlotPad( D_PAD* aPad, COLOR4D aColor, EDA_DRAW_MODE_T aPl
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wxPoint shape_pos = aPad->ShapePos();
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GBR_METADATA gbr_metadata;
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bool isOnCopperLayer = ( m_layerMask & LSET::AllCuMask() ).any();
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bool isOnExternalCopperLayer = ( m_layerMask & LSET::ExternalCuMask() ).any();
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bool isPadOnBoardTechLayers = ( aPad->GetLayerSet() & LSET::AllBoardTechMask() ).any();
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bool plotOnCopperLayer = ( m_layerMask & LSET::AllCuMask() ).any();
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bool plotOnExternalCopperLayer = ( m_layerMask & LSET::ExternalCuMask() ).any();
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// Pad not on the solder mask layer cannot be soldered.
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// therefore it can have a specific aperture attribute.
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// Not yet in use.
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// bool isPadOnBoardTechLayers = ( aPad->GetLayerSet() & LSET::AllBoardTechMask() ).any();
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gbr_metadata.SetCmpReference( aPad->GetParent()->GetReference() );
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if( isOnCopperLayer )
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if( plotOnCopperLayer )
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{
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gbr_metadata.SetNetAttribType( GBR_NETINFO_ALL );
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gbr_metadata.SetCopper( true );
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// Gives a default attribute, for instance for pads used as tracks in net ties:
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// Connector pads and SMD pads are on external layers
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// if on internal layers, they are certainly used as net tie
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// and are similar to tracks: just conductor items
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CONDUCTOR );
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if( isOnExternalCopperLayer )
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{
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const bool useUTF8 = false;
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const bool useQuoting = false;
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gbr_metadata.SetPadName( aPad->GetName(), useUTF8, useQuoting );
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const bool useUTF8 = false;
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const bool useQuoting = false;
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gbr_metadata.SetPadName( aPad->GetName(), useUTF8, useQuoting );
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if( !aPad->GetName().IsEmpty() )
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gbr_metadata.SetPadPinFunction( aPad->GetPinFunction(), useUTF8, useQuoting );
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}
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if( !aPad->GetName().IsEmpty() )
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gbr_metadata.SetPadPinFunction( aPad->GetPinFunction(), useUTF8, useQuoting );
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gbr_metadata.SetNetName( aPad->GetNetname() );
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@ -118,88 +124,81 @@ void BRDITEMS_PLOTTER::PlotPad( D_PAD* aPad, COLOR4D aColor, EDA_DRAW_MODE_T aPl
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if( aPad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED || aPad->GetName().IsEmpty() )
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gbr_metadata.m_NetlistMetadata.m_NotInNet = true;
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if( !isOnExternalCopperLayer || !isPadOnBoardTechLayers )
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if( !plotOnExternalCopperLayer )
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{
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// On internal layers one cannot use the GBR_NETLIST_METADATA::GBR_INFO_FLASHED_PAD
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// attribute when the component is on an external layer (most of the case)
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// Also, if a SMD pad is not on a tech layer (masks) use also net+cmp attribute, because
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// it is not really a pad (can be a "pad", actually a node in a virtual component)
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// the .P object attribute (GBR_NETLIST_METADATA::GBR_NETINFO_PAD)
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// is used on outer layers, unless the component is embedded
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// or a "etched" component (fp only drawn, not a physical component)
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// Currently, Pcbnew does not handle embedded component, so we disable the .P
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// attribute on internal layers
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// Note the Gerber doc is not really clear about through holes pads about the .P
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gbr_metadata.SetNetAttribType( GBR_NETLIST_METADATA::GBR_NETINFO_NET |
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GBR_NETLIST_METADATA::GBR_NETINFO_CMP );
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if( !isPadOnBoardTechLayers )
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// such a pad is not soldered and is not a connecting point.
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// Just set aperture attribute as conductor
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// If it is a through hole pad, it will be adjusted later
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CONDUCTOR );
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switch( aPad->GetAttribute() )
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{
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case PAD_ATTRIB_HOLE_NOT_PLATED: // Mechanical pad through hole
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_WASHERPAD );
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break;
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case PAD_ATTRIB_STANDARD : // Pad through hole, a hole is also expected
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_VIAPAD );
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break;
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default:
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break;
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}
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}
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else // Some attributes are reserved to the external copper layers
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// Some attributes are reserved to the external copper layers:
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// GBR_APERTURE_ATTRIB_CONNECTORPAD and GBR_APERTURE_ATTRIB_SMDPAD_CUDEF
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// for instance.
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// Pad with type PAD_ATTRIB_CONN or PAD_ATTRIB_SMD that is not on outer layer
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// has its aperture attribute set to GBR_APERTURE_ATTRIB_CONDUCTOR
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switch( aPad->GetAttribute() )
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{
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switch( aPad->GetAttribute() )
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{
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case PAD_ATTRIB_HOLE_NOT_PLATED: // Mechanical pad through hole
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_WASHERPAD );
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break;
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case PAD_ATTRIB_HOLE_NOT_PLATED: // Mechanical pad through hole
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_WASHERPAD );
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break;
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case PAD_ATTRIB_STANDARD : // Pad through hole, a hole is also expected
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_COMPONENTPAD );
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break;
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case PAD_ATTRIB_STANDARD : // Pad through hole, a hole is also expected
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_COMPONENTPAD );
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break;
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case PAD_ATTRIB_CONN: // Connector pads have no solder paste.
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case PAD_ATTRIB_CONN: // Connector pads, no solder paste but with solder mask.
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if( plotOnExternalCopperLayer )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CONNECTORPAD );
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break;
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break;
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case PAD_ATTRIB_SMD: // SMD pads (One external copper layer only) with solder paste
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case PAD_ATTRIB_SMD: // SMD pads (on external copper layer only)
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// with solder paste and mask
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if( plotOnExternalCopperLayer )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_SMDPAD_CUDEF );
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break;
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}
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// Fabrication properties can have specific GBR_APERTURE_METADATA options:
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switch( aPad->GetProperty() )
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{
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case PAD_PROP_BGA:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_BGAPAD_CUDEF );
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break;
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case PAD_PROP_FIDUCIAL_GLBL:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_FIDUCIAL_GLBL );
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break;
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case PAD_PROP_FIDUCIAL_LOCAL:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_FIDUCIAL_LOCAL );
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break;
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case PAD_PROP_TESTPOINT: // Only on outer layers
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_TESTPOINT );
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break;
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case PAD_PROP_HEATSINK:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_HEATSINKPAD );
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break;
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case PAD_PROP_CASTELLATED:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CASTELLATEDPAD );
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break;
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case PAD_PROP_NONE:
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break;
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}
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break;
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}
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// Fabrication properties can have specific GBR_APERTURE_METADATA options
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// that replace previous aperture attribute:
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switch( aPad->GetProperty() )
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{
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case PAD_PROP_BGA: // Only applicable to outer layers
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if( plotOnExternalCopperLayer )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_BGAPAD_CUDEF );
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break;
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case PAD_PROP_FIDUCIAL_GLBL:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_FIDUCIAL_GLBL );
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break;
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case PAD_PROP_FIDUCIAL_LOCAL:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_FIDUCIAL_LOCAL );
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break;
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case PAD_PROP_TESTPOINT: // Only applicable to outer layers
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if( plotOnExternalCopperLayer )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_TESTPOINT );
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break;
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case PAD_PROP_HEATSINK:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_HEATSINKPAD );
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break;
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case PAD_PROP_CASTELLATED:
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_CASTELLATEDPAD );
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break;
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case PAD_PROP_NONE:
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break;
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}
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// Ensure NPTH pads have *always* the GBR_APERTURE_ATTRIB_WASHERPAD attribute
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if( aPad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED )
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gbr_metadata.SetApertureAttrib( GBR_APERTURE_METADATA::GBR_APERTURE_ATTRIB_WASHERPAD );
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}
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