dialog_export_step.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Cirilo Bernardo
 * Copyright (C) 2016-2024 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <wx/log.h>
#include <wx/stdpaths.h>
#include <wx/process.h>
#include <wx/string.h>
#include <wx/filedlg.h>
 
#include <pgm_base.h>
#include <board.h>
#include <confirm.h>
#include <kidialog.h>
#include <widgets/std_bitmap_button.h>
#include "dialog_export_step_base.h"
#include "dialog_export_step_process.h"
#include <footprint.h>
#include <kiface_base.h>
#include <locale_io.h>
#include <math/vector3.h>
#include <pcb_edit_frame.h>
#include <pcbnew_settings.h>
#include <project/project_file.h> // LAST_PATH_TYPE
#include <reporter.h>
#include <trace_helpers.h>
#include <widgets/text_ctrl_eval.h>
#include <wildcards_and_files_ext.h>
#include <filename_resolver.h>
#include <core/map_helpers.h>
#include <settings/settings_manager.h>
 
 
// Maps m_choiceFormat selection to extension (and kicad-cli command)
static const std::vector<wxString> c_formatCommand = { FILEEXT::StepFileExtension,
 FILEEXT::GltfBinaryFileExtension,
 FILEEXT::XaoFileExtension,
 FILEEXT::BrepFileExtension };
 
// Maps file extensions to m_choiceFormat selection
static const std::map<wxString, int> c_formatExtToChoice = { { FILEEXT::StepFileExtension, 0 },
 { FILEEXT::StepFileAbrvExtension, 0 },
 { FILEEXT::GltfBinaryFileExtension, 1 },
 { FILEEXT::XaoFileExtension, 2 },
 { FILEEXT::BrepFileExtension, 3 } };
 
 
class DIALOG_EXPORT_STEP : public DIALOG_EXPORT_STEP_BASE
{
public:
 enum STEP_ORIGIN_OPTION
 {
 STEP_ORIGIN_0, // absolute coordinates
 STEP_ORIGIN_PLOT_AXIS, // origin is plot/drill axis origin
 STEP_ORIGIN_GRID_AXIS, // origin is grid origin
 STEP_ORIGIN_BOARD_CENTER, // origin is board center
 STEP_ORIGIN_USER, // origin is entered by user
 };
 
 DIALOG_EXPORT_STEP( PCB_EDIT_FRAME* aParent, const wxString& aBoardPath );
 ~DIALOG_EXPORT_STEP();
 
protected:
 void onBrowseClicked( wxCommandEvent& aEvent ) override;
 void onUpdateUnits( wxUpdateUIEvent& aEvent ) override;
 void onUpdateXPos( wxUpdateUIEvent& aEvent ) override;
 void onUpdateYPos( wxUpdateUIEvent& aEvent ) override;
 void onExportButton( wxCommandEvent& aEvent ) override;
 void onFormatChoice( wxCommandEvent& event ) override;
 
 int GetOrgUnitsChoice() const
 {
 return m_STEP_OrgUnitChoice->GetSelection();
 }
 
 double GetXOrg() const
 {
 return EDA_UNIT_UTILS::UI::DoubleValueFromString( m_STEP_Xorg->GetValue() );
 }
 
 double GetYOrg()
 {
 return EDA_UNIT_UTILS::UI::DoubleValueFromString( m_STEP_Yorg->GetValue() );
 }
 
 STEP_ORIGIN_OPTION GetOriginOption();
 
 bool GetNoUnspecifiedOption()
 {
 return m_cbRemoveUnspecified->GetValue();
 }
 
 bool GetNoDNPOption()
 {
 return m_cbRemoveDNP->GetValue();
 }
 
 bool GetSubstOption()
 {
 return m_cbSubstModels->GetValue();
 }
 
 bool GetOverwriteFile()
 {
 return m_cbOverwriteFile->GetValue();
 }
 
private:
 PCB_EDIT_FRAME* m_parent;
 STEP_ORIGIN_OPTION m_origin; // The last preference for STEP origin option
 double m_userOriginX; // remember last User Origin X value
 double m_userOriginY; // remember last User Origin Y value
 int m_originUnits; // remember last units for User Origin
 bool m_noUnspecified; // remember last preference for No Unspecified Component
 bool m_noDNP; // remember last preference for No DNP Component
 static bool m_optimizeStep; // remember last preference for Optimize STEP file (stored only for the session)
 static bool m_exportBoardBody; // remember last preference to export board body (stored only for the session)
 static bool m_exportComponents; // remember last preference to export components (stored only for the session)
 static bool m_exportTracks; // remember last preference to export tracks and vias (stored only for the session)
 static bool m_exportPads; // remember last preference to export pads (stored only for the session)
 static bool m_exportZones; // remember last preference to export zones (stored only for the session)
 static bool m_exportInnerCopper; // remember last preference to export inner layers (stored only for the session)
 static bool m_exportSilkscreen; // remember last preference to export silkscreen (stored only for the session)
 static bool m_exportSoldermask; // remember last preference to export soldermask (stored only for the session)
 static bool m_fuseShapes; // remember last preference to fuse shapes (stored only for the session)
 wxString m_netFilter; // filter copper nets
 wxString m_boardPath; // path to the exported board file
 static int m_toleranceLastChoice; // Store m_tolerance option during a session
 static int m_formatLastChoice; // Store format option during a session
};
 
 
int DIALOG_EXPORT_STEP::m_toleranceLastChoice = -1; // Use default
int DIALOG_EXPORT_STEP::m_formatLastChoice = -1; // Use default
bool DIALOG_EXPORT_STEP::m_optimizeStep = true;
bool DIALOG_EXPORT_STEP::m_exportBoardBody = true;
bool DIALOG_EXPORT_STEP::m_exportComponents = true;
bool DIALOG_EXPORT_STEP::m_exportTracks = false;
bool DIALOG_EXPORT_STEP::m_exportPads = false;
bool DIALOG_EXPORT_STEP::m_exportZones = false;
bool DIALOG_EXPORT_STEP::m_exportInnerCopper = false;
bool DIALOG_EXPORT_STEP::m_exportSilkscreen = false;
bool DIALOG_EXPORT_STEP::m_exportSoldermask = false;
bool DIALOG_EXPORT_STEP::m_fuseShapes = false;
 
DIALOG_EXPORT_STEP::DIALOG_EXPORT_STEP( PCB_EDIT_FRAME* aParent, const wxString& aBoardPath ) :
 DIALOG_EXPORT_STEP_BASE( aParent )
{
 m_browseButton->SetBitmap( KiBitmapBundle( BITMAPS::small_folder ) );
 
 m_parent = aParent;
 m_boardPath = aBoardPath;
 
 SetupStandardButtons( { { wxID_OK, _( "Export" ) },
 { wxID_CANCEL, _( "Close" ) } } );
 
 // Build default output file name
 // (last saved filename in project or built from board filename)
 wxString path = m_parent->GetLastPath( LAST_PATH_STEP );
 
 if( path.IsEmpty() )
 {
 wxFileName brdFile( m_parent->GetBoard()->GetFileName() );
 brdFile.SetExt( wxT( "step" ) );
 path = brdFile.GetFullPath();
 }
 
 m_outputFileName->SetValue( path );
 
 Layout();
 bSizerSTEPFile->Fit( this );
 
 SetFocus();
 
 PCBNEW_SETTINGS* cfg = m_parent->GetPcbNewSettings();
 
 m_origin = static_cast<STEP_ORIGIN_OPTION>( cfg->m_ExportStep.origin_mode );
 
 switch( m_origin )
 {
 default:
 case STEP_ORIGIN_PLOT_AXIS: m_rbDrillAndPlotOrigin->SetValue( true ); break;
 case STEP_ORIGIN_GRID_AXIS: m_rbGridOrigin->SetValue( true ); break;
 case STEP_ORIGIN_USER: m_rbUserDefinedOrigin->SetValue( true ); break;
 case STEP_ORIGIN_BOARD_CENTER: m_rbBoardCenterOrigin->SetValue( true ); break;
 }
 
 m_originUnits = cfg->m_ExportStep.origin_units;
 m_userOriginX = cfg->m_ExportStep.origin_x;
 m_userOriginY = cfg->m_ExportStep.origin_y;
 m_noUnspecified = cfg->m_ExportStep.no_unspecified;
 m_noDNP = cfg->m_ExportStep.no_dnp;
 
 m_txtNetFilter->SetValue( m_netFilter );
 m_cbOptimizeStep->SetValue( m_optimizeStep );
 m_cbExportBody->SetValue( m_exportBoardBody );
 m_cbExportComponents->SetValue( m_exportComponents );
 m_cbExportTracks->SetValue( m_exportTracks );
 m_cbExportPads->SetValue( m_exportPads );
 m_cbExportZones->SetValue( m_exportZones );
 m_cbExportInnerCopper->SetValue( m_exportInnerCopper );
 m_cbExportSilkscreen->SetValue( m_exportSilkscreen );
 m_cbExportSoldermask->SetValue( m_exportSoldermask );
 m_cbFuseShapes->SetValue( m_fuseShapes );
 m_cbRemoveUnspecified->SetValue( m_noUnspecified );
 m_cbRemoveDNP->SetValue( m_noDNP );
 m_cbSubstModels->SetValue( cfg->m_ExportStep.replace_models );
 m_cbOverwriteFile->SetValue( cfg->m_ExportStep.overwrite_file );
 
 m_STEP_OrgUnitChoice->SetSelection( m_originUnits );
 wxString tmpStr;
 tmpStr << m_userOriginX;
 m_STEP_Xorg->SetValue( tmpStr );
 tmpStr = wxEmptyString;
 tmpStr << m_userOriginY;
 m_STEP_Yorg->SetValue( tmpStr );
 
 wxString bad_scales;
 size_t bad_count = 0;
 
 for( FOOTPRINT* fp : aParent->GetBoard()->Footprints() )
 {
 for( const FP_3DMODEL& model : fp->Models() )
 {
 if( model.m_Scale.x != 1.0 || model.m_Scale.y != 1.0 || model.m_Scale.z != 1.0 )
 {
 bad_scales.Append( wxS("\n") );
 bad_scales.Append( model.m_Filename );
 bad_count++;
 }
 }
 
 if( bad_count >= 5 )
 break;
 }
 
 if( !bad_scales.empty()
 && !Pgm().GetCommonSettings()->m_DoNotShowAgain.scaled_3d_models_warning )
 {
 wxString extendedMsg = _( "Non-unity scaled models:" ) + wxT( "\n" ) + bad_scales;
 
 KIDIALOG msgDlg( m_parent, _( "Scaled models detected. "
 "Model scaling is not reliable for mechanical export." ),
 _( "Model Scale Warning" ), wxOK | wxICON_WARNING );
 msgDlg.SetExtendedMessage( extendedMsg );
 msgDlg.DoNotShowCheckbox( __FILE__, __LINE__ );
 
 msgDlg.ShowModal();
 
 if( msgDlg.DoNotShowAgain() )
 Pgm().GetCommonSettings()->m_DoNotShowAgain.scaled_3d_models_warning = true;
 }
 
 if( m_toleranceLastChoice >= 0 )
 m_choiceTolerance->SetSelection( m_toleranceLastChoice );
 
 if( m_formatLastChoice >= 0 )
 m_choiceFormat->SetSelection( m_formatLastChoice );
 
 // Now all widgets have the size fixed, call FinishDialogSettings
 finishDialogSettings();
}
 
 
DIALOG_EXPORT_STEP::~DIALOG_EXPORT_STEP()
{
 GetOriginOption(); // Update m_origin member.
 
 PCBNEW_SETTINGS* cfg = nullptr;
 
 try
 {
 cfg = m_parent->GetPcbNewSettings();
 }
 catch( const std::runtime_error& e )
 {
 wxFAIL_MSG( e.what() );
 }
 
 if( cfg )
 {
 cfg->m_ExportStep.origin_mode = static_cast<int>( m_origin );
 cfg->m_ExportStep.origin_units = m_STEP_OrgUnitChoice->GetSelection();
 cfg->m_ExportStep.replace_models = m_cbSubstModels->GetValue();
 cfg->m_ExportStep.overwrite_file = m_cbOverwriteFile->GetValue();
 
 double val = 0.0;
 
 m_STEP_Xorg->GetValue().ToDouble( &val );
 cfg->m_ExportStep.origin_x = val;
 
 m_STEP_Yorg->GetValue().ToDouble( &val );
 cfg->m_ExportStep.origin_y = val;
 
 cfg->m_ExportStep.no_unspecified = m_cbRemoveUnspecified->GetValue();
 cfg->m_ExportStep.no_dnp = m_cbRemoveDNP->GetValue();
 }
 
 m_netFilter = m_txtNetFilter->GetValue();
 m_toleranceLastChoice = m_choiceTolerance->GetSelection();
 m_formatLastChoice = m_choiceFormat->GetSelection();
 m_optimizeStep = m_cbOptimizeStep->GetValue();
 m_exportBoardBody = m_cbExportBody->GetValue();
 m_exportComponents = m_cbExportComponents->GetValue();
 m_exportTracks = m_cbExportTracks->GetValue();
 m_exportPads = m_cbExportPads->GetValue();
 m_exportZones = m_cbExportZones->GetValue();
 m_exportInnerCopper = m_cbExportInnerCopper->GetValue();
 m_exportSilkscreen = m_cbExportSilkscreen->GetValue();
 m_exportSoldermask = m_cbExportSoldermask->GetValue();
 m_fuseShapes = m_cbFuseShapes->GetValue();
}
 
 
DIALOG_EXPORT_STEP::STEP_ORIGIN_OPTION DIALOG_EXPORT_STEP::GetOriginOption()
{
 m_origin = STEP_ORIGIN_0;
 
 if( m_rbDrillAndPlotOrigin->GetValue() )
 m_origin = STEP_ORIGIN_PLOT_AXIS;
 else if( m_rbGridOrigin->GetValue() )
 m_origin = STEP_ORIGIN_GRID_AXIS;
 else if( m_rbUserDefinedOrigin->GetValue() )
 m_origin = STEP_ORIGIN_USER;
 else if( m_rbBoardCenterOrigin->GetValue() )
 m_origin = STEP_ORIGIN_BOARD_CENTER;
 
 return m_origin;
}
 
 
void PCB_EDIT_FRAME::OnExportSTEP( wxCommandEvent& event )
{
 wxFileName brdFile = GetBoard()->GetFileName();
 
 // The project filename (.kicad_pro) of the auto saved board filename, if it is created
 wxFileName autosaveProjFile;
 
 if( GetScreen()->IsContentModified() || brdFile.GetFullPath().empty() )
 {
 if( !doAutoSave() )
 {
 DisplayErrorMessage( this, _( "STEP export failed! "
 "Please save the PCB and try again" ) );
 return;
 }
 
 wxString autosaveFileName = FILEEXT::AutoSaveFilePrefix + brdFile.GetName();
 
 // Create a dummy .kicad_pro file for this auto saved board file.
 // this is useful to use some settings (like project path and name)
 // Because doAutoSave() works, the target directory exists and is writable
 autosaveProjFile = brdFile;
 autosaveProjFile.SetName( autosaveFileName );
 autosaveProjFile.SetExt( "kicad_pro" );
 
 // Use auto-saved board for export
 GetSettingsManager()->SaveProjectCopy( autosaveProjFile.GetFullPath(), GetBoard()->GetProject() );
 brdFile.SetName( autosaveFileName );
 }
 
 DIALOG_EXPORT_STEP dlg( this, brdFile.GetFullPath() );
 dlg.ShowModal();
 
 // If a dummy .kicad_pro file is created, delete it now it is useless.
 if( !autosaveProjFile.GetFullPath().IsEmpty() )
 wxRemoveFile( autosaveProjFile.GetFullPath() );
}
 
 
void DIALOG_EXPORT_STEP::onUpdateUnits( wxUpdateUIEvent& aEvent )
{
 aEvent.Enable( m_rbUserDefinedOrigin->GetValue() );
}
 
 
void DIALOG_EXPORT_STEP::onUpdateXPos( wxUpdateUIEvent& aEvent )
{
 aEvent.Enable( m_rbUserDefinedOrigin->GetValue() );
}
 
 
void DIALOG_EXPORT_STEP::onUpdateYPos( wxUpdateUIEvent& aEvent )
{
 aEvent.Enable( m_rbUserDefinedOrigin->GetValue() );
}
 
 
void DIALOG_EXPORT_STEP::onBrowseClicked( wxCommandEvent& aEvent )
{
 // clang-format off
 wxString filter = _( "STEP files" )
 + AddFileExtListToFilter( { FILEEXT::StepFileExtension, FILEEXT::StepFileAbrvExtension } ) + "|"
 + _( "Binary glTF files" )
 + AddFileExtListToFilter( { FILEEXT::GltfBinaryFileExtension } ) + "|"
 + _( "XAO files" )
 + AddFileExtListToFilter( { FILEEXT::XaoFileExtension} ) + "|"
 + _( "BREP (OCCT) files" )
 + AddFileExtListToFilter( { FILEEXT::BrepFileExtension } );
 // clang-format on
 
 // Build the absolute path of current output directory to preselect it in the file browser.
 wxString path = ExpandEnvVarSubstitutions( m_outputFileName->GetValue(), &Prj() );
 wxFileName fn( Prj().AbsolutePath( path ) );
 
 wxFileDialog dlg( this, _( "3D Model Output File" ), fn.GetPath(), fn.GetFullName(), filter,
 wxFD_SAVE );
 
 if( dlg.ShowModal() == wxID_CANCEL )
 return;
 
 path = dlg.GetPath();
 m_outputFileName->SetValue( path );
 
 fn = wxFileName( path );
 
 if( auto formatChoice = get_opt( c_formatExtToChoice, fn.GetExt().Lower() ) )
 m_choiceFormat->SetSelection( *formatChoice );
}
 
 
void DIALOG_EXPORT_STEP::onFormatChoice( wxCommandEvent& event )
{
 wxString newExt = c_formatCommand[m_choiceFormat->GetSelection()];
 wxString path = m_outputFileName->GetValue();
 
 int sepIdx = std::max( path.Find( '/', true ), path.Find( '\\', true ) );
 int dotIdx = path.Find( '.', true );
 
 if( dotIdx == -1 || dotIdx < sepIdx )
 path << '.' << newExt;
 else
 path = path.Mid( 0, dotIdx ) << '.' << newExt;
 
 m_outputFileName->SetValue( path );
}
 
 
void DIALOG_EXPORT_STEP::onExportButton( wxCommandEvent& aEvent )
{
 wxString path = m_outputFileName->GetValue();
 m_parent->SetLastPath( LAST_PATH_STEP, path );
 
 // Build the absolute path of current output directory to preselect it in the file browser.
 std::function<bool( wxString* )> textResolver =
 [&]( wxString* token ) -> bool
 {
 return m_parent->GetBoard()->ResolveTextVar( token, 0 );
 };
 
 path = ExpandTextVars( path, &textResolver );
 path = ExpandEnvVarSubstitutions( path, &Prj() );
 path = Prj().AbsolutePath( path );
 
 if( path.IsEmpty() )
 {
 DisplayErrorMessage( this, _( "No filename for output file" ) );
 return;
 }
 
 m_netFilter = m_txtNetFilter->GetValue();
 
 double tolerance; // default value in mm
 m_toleranceLastChoice = m_choiceTolerance->GetSelection();
 m_formatLastChoice = m_choiceFormat->GetSelection();
 m_optimizeStep = m_cbOptimizeStep->GetValue();
 m_exportBoardBody = m_cbExportBody->GetValue();
 m_exportComponents = m_cbExportComponents->GetValue();
 m_exportTracks = m_cbExportTracks->GetValue();
 m_exportPads = m_cbExportPads->GetValue();
 m_exportZones = m_cbExportZones->GetValue();
 m_exportInnerCopper = m_cbExportInnerCopper->GetValue();
 m_exportSilkscreen = m_cbExportSilkscreen->GetValue();
 m_exportSoldermask = m_cbExportSoldermask->GetValue();
 m_fuseShapes = m_cbFuseShapes->GetValue();
 
 switch( m_choiceTolerance->GetSelection() )
 {
 case 0: tolerance = 0.001; break;
 default:
 case 1: tolerance = 0.01; break;
 case 2: tolerance = 0.1; break;
 }
 
 SHAPE_POLY_SET outline;
 wxString msg;
 
 // Check if the board outline is continuous
 // max dist from one endPt to next startPt to build a closed shape:
 int chainingEpsilon = pcbIUScale.mmToIU( tolerance );
 
 // Arc to segment approx error (not critical here: we do not use the outline shape):
 int maxError = pcbIUScale.mmToIU( 0.005 );
 bool success = BuildBoardPolygonOutlines( m_parent->GetBoard(), outline, maxError,
 chainingEpsilon, nullptr );
 if( !success )
 {
 DisplayErrorMessage( this, wxString::Format(
 _( "Board outline is missing or not closed using %.3f mm tolerance.\n"
 "Run DRC for a full analysis." ), tolerance ) );
 return;
 }
 
 wxFileName fn( Prj().AbsolutePath( path ) );
 
 if( fn.FileExists() && !GetOverwriteFile() )
 {
 msg.Printf( _( "File '%s' already exists. Do you want overwrite this file?" ),
 fn.GetFullPath() );
 
 if( wxMessageBox( msg, _( "STEP/GLTF Export" ), wxYES_NO | wxICON_QUESTION, this ) == wxNO )
 return;
 }
 
 wxFileName appK2S( wxStandardPaths::Get().GetExecutablePath() );
#ifdef __WXMAC__
 // On macOS, we have standalone applications inside the main bundle, so we handle that here:
 if( appK2S.GetPath().Find( "/Contents/Applications/pcbnew.app/Contents/MacOS" ) != wxNOT_FOUND )
 {
 appK2S.AppendDir( wxT( ".." ) );
 appK2S.AppendDir( wxT( ".." ) );
 appK2S.AppendDir( wxT( ".." ) );
 appK2S.AppendDir( wxT( ".." ) );
 appK2S.AppendDir( wxT( "MacOS" ) );
 }
#else
 if( wxGetEnv( wxT( "KICAD_RUN_FROM_BUILD_DIR" ), nullptr ) )
 {
 appK2S.RemoveLastDir();
 appK2S.AppendDir( "kicad" );
 }
#endif
 
 appK2S.SetName( wxT( "kicad-cli" ) );
 appK2S.Normalize( FN_NORMALIZE_FLAGS );
 
 wxString cmdK2S = wxT( "\"" );
 cmdK2S.Append( appK2S.GetFullPath() );
 cmdK2S.Append( wxT( "\"" ) );
 
 cmdK2S.Append( wxT( " pcb" ) );
 cmdK2S.Append( wxT( " export" ) );
 
 cmdK2S.Append( wxT( " " ) );
 cmdK2S.Append( c_formatCommand[m_choiceFormat->GetSelection()] );
 
 if( GetNoUnspecifiedOption() )
 cmdK2S.Append( wxT( " --no-unspecified" ) );
 
 if( GetNoDNPOption() )
 cmdK2S.Append( wxT( " --no-dnp" ) );
 
 if( GetSubstOption() )
 cmdK2S.Append( wxT( " --subst-models" ) );
 
 if( !m_optimizeStep )
 cmdK2S.Append( wxT( " --no-optimize-step" ) );
 
 if( !m_exportBoardBody )
 cmdK2S.Append( wxT( " --no-board-body" ) );
 
 if( !m_exportComponents )
 cmdK2S.Append( wxT( " --no-components" ) );
 
 if( m_exportTracks )
 cmdK2S.Append( wxT( " --include-tracks" ) );
 
 if( m_exportPads )
 cmdK2S.Append( wxT( " --include-pads" ) );
 
 if( m_exportZones )
 cmdK2S.Append( wxT( " --include-zones" ) );
 
 if( m_exportInnerCopper )
 cmdK2S.Append( wxT( " --include-inner-copper" ) );
 
 if( m_exportSilkscreen )
 cmdK2S.Append( wxT( " --include-silkscreen" ) );
 
 if( m_exportSoldermask )
 cmdK2S.Append( wxT( " --include-soldermask" ) );
 
 if( m_fuseShapes )
 cmdK2S.Append( wxT( " --fuse-shapes" ) );
 
 // Note: for some reason, using \" to insert a quote in a format string, under MacOS
 // wxString::Format does not work. So use a %c format in string
 int quote = '\'';
 int dblquote = '"';
 
 if( !m_netFilter.empty() )
 {
 cmdK2S.Append( wxString::Format( wxT( " --net-filter %c%s%c" ), dblquote, m_netFilter,
 dblquote ) );
 }
 
 switch( GetOriginOption() )
 {
 case STEP_ORIGIN_0:
 wxFAIL_MSG( wxT( "Unsupported origin option: how did we get here?" ) );
 break;
 
 case STEP_ORIGIN_PLOT_AXIS:
 cmdK2S.Append( wxT( " --drill-origin" ) );
 break;
 
 case STEP_ORIGIN_GRID_AXIS:
 cmdK2S.Append( wxT( " --grid-origin" ) );
 break;
 
 case STEP_ORIGIN_USER:
 {
 double xOrg = GetXOrg();
 double yOrg = GetYOrg();
 
 if( GetOrgUnitsChoice() == 1 )
 {
 // selected reference unit is in inches, and STEP units are mm
 xOrg *= 25.4;
 yOrg *= 25.4;
 }
 
 LOCALE_IO dummy;
 cmdK2S.Append( wxString::Format( wxT( " --user-origin=%c%.6fx%.6fmm%c" ),
 quote, xOrg, yOrg, quote ) );
 break;
 }
 
 case STEP_ORIGIN_BOARD_CENTER:
 {
 BOX2I bbox = m_parent->GetBoard()->ComputeBoundingBox( true, false );
 double xOrg = pcbIUScale.IUTomm( bbox.GetCenter().x );
 double yOrg = pcbIUScale.IUTomm( bbox.GetCenter().y );
 LOCALE_IO dummy;
 
 cmdK2S.Append( wxString::Format( wxT( " --user-origin=%c%.6fx%.6fmm%c" ),
 quote, xOrg, yOrg, quote ) );
 break;
 }
 }
 
 {
 LOCALE_IO dummy;
 cmdK2S.Append( wxString::Format( wxT( " --min-distance=%c%.3fmm%c" ),
 quote, tolerance, quote ) );
 }
 
 // Output file path.
 cmdK2S.Append( wxString::Format( wxT( " -f -o %c%s%c" ),
 dblquote, fn.GetFullPath(), dblquote ) );
 
 
 // Input file path.
 cmdK2S.Append( wxString::Format( wxT( " %c%s%c" ), dblquote, m_boardPath, dblquote ) );
 
 wxLogTrace( traceKiCad2Step, wxT( "export step command: %s" ), cmdK2S );
 
 DIALOG_EXPORT_STEP_LOG* log = new DIALOG_EXPORT_STEP_LOG( this, cmdK2S );
 log->ShowModal();
}