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380 lines
11 KiB
380 lines
11 KiB
/***************************************************************************
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pmtorus.cpp - description
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-------------------
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copyright : (C) 2001 Philippe Van Hecke
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email : lephiloux@tiscalinet.be
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copyright : (C) 2002 Andreas Zehender
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email : zehender@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "pmtorus.h"
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#include "pmxmlhelper.h"
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#include "pmtorusedit.h"
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#include "pmmemento.h"
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#include "pmviewstructure.h"
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#include "pm3dcontrolpoint.h"
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#include "pmdistancecontrolpoint.h"
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#include "pmdefaults.h"
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#include <klocale.h>
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/** default param for the Torus */
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const double c_defaultminorRadius = 0.25;
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const double c_defaultmajorRadius = 0.5;
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const bool c_defaultsturm = false;
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/** default Torus structure */
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PMViewStructure* PMTorus::s_pDefaultViewStructure = 0;
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int PMTorus::s_vStep = c_defaultTorusVSteps;
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int PMTorus::s_uStep = c_defaultTorusUSteps;
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int PMTorus::s_parameterKey = 0;
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PMDefinePropertyClass( PMTorus, PMTorusProperty );
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PMMetaObject* PMTorus::s_pMetaObject = 0;
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PMObject* createNewTorus( PMPart* part )
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{
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return new PMTorus( part );
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}
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PMTorus::PMTorus( PMPart* part )
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: Base( part )
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{
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m_minorRadius = c_defaultminorRadius;
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m_majorRadius = c_defaultmajorRadius;
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m_sturm = c_defaultsturm ;
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}
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PMTorus::PMTorus( const PMTorus& t )
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: Base( t )
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{
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m_minorRadius = t.m_minorRadius;
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m_majorRadius = t.m_majorRadius;
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m_sturm = t.m_sturm;
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}
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PMTorus::~PMTorus( )
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{
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}
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TQString PMTorus::description( ) const
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{
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return i18n( "torus" );
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}
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PMMetaObject* PMTorus::tqmetaObject( ) const
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{
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if( !s_pMetaObject )
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{
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s_pMetaObject = new PMMetaObject( "Torus", Base::tqmetaObject( ),
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createNewTorus );
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s_pMetaObject->addProperty(
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new PMTorusProperty( "minorRadius", &PMTorus::setMinorRadius,
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&PMTorus::minorRadius ) );
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s_pMetaObject->addProperty(
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new PMTorusProperty( "majorRadius", &PMTorus::setMajorRadius,
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&PMTorus::majorRadius ) );
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s_pMetaObject->addProperty(
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new PMTorusProperty( "sturm", &PMTorus::setSturm, &PMTorus::sturm ) );
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}
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return s_pMetaObject;
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}
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void PMTorus::serialize( TQDomElement& e, TQDomDocument& doc ) const
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{
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e.setAttribute( "minor_radius", m_minorRadius );
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e.setAttribute( "major_radius", m_majorRadius );
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e.setAttribute( "sturm", m_sturm );
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Base::serialize( e, doc );
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}
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void PMTorus::readAttributes( const PMXMLHelper& h )
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{
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m_minorRadius = h.doubleAttribute( "minor_radius", c_defaultminorRadius );
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m_majorRadius = h.doubleAttribute( "major_radius", c_defaultmajorRadius );
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m_sturm = h.boolAttribute( "sturm", c_defaultsturm );
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Base::readAttributes( h );
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}
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PMDialogEditBase* PMTorus::editWidget( TQWidget* parent ) const
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{
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return new PMTorusEdit( parent );
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}
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void PMTorus::restoreMemento( PMMemento* s )
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{
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PMMementoDataIterator it( s );
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PMMementoData* data;
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for( ; it.current( ); ++it )
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{
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data = it.current( );
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if( data->objectType( ) == s_pMetaObject )
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{
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switch( data->valueID( ) )
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{
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case PMMinorRadiusID:
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setMinorRadius( data->doubleData( ) );
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break;
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case PMMajorRadiusID:
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setMajorRadius( data->doubleData( ) );
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break;
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case PMSturmID:
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setSturm( data->boolData( ) );
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default:
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kdError( PMArea ) << "Wrong ID in PMTorus::restoreMemento\n";
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break;
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}
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}
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}
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Base::restoreMemento( s );
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}
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void PMTorus::controlPoints( PMControlPointList& list )
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{
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PMVector majorCenter( 0, 0, 0 );
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/** control points of the major radius */
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list.append( new PMDistanceControlPoint( majorCenter, PMVector( 1.0, 0.0, 0.0 ),
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m_majorRadius, PMMajorRadiusID,
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i18n( "Major radius (x)" ) ) );
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PMDistanceControlPoint* rcp =
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new PMDistanceControlPoint( majorCenter, PMVector( 0.0, 0.0, 1.0 ),
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m_majorRadius, PMMajorRadiusID,
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i18n( "Major radius (z)" ) );
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list.append( rcp );
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PMVector minorCenter( 0.0, 0.0, m_majorRadius );
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list.append( new PMDistanceControlPoint( rcp, PMVector( 0.0, 1.0, 0.0 ),
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m_minorRadius, PMMinorRadiusID,
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i18n( "Minor radius (y)" ) ) );
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list.append( new PMDistanceControlPoint( rcp, PMVector( 0.0, 0.0, 1.0 ),
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m_minorRadius, PMMinorRadiusID,
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i18n( "Minor radius (z)" ) ) );
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}
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void PMTorus::controlPointsChanged( PMControlPointList& list )
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{
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bool majorChanged = false, minorChanged = false;
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PMControlPoint* p;
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for( p = list.first( ); p; p = list.next( ) )
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{
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if( p->changed( ) )
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{
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switch( p->id( ) )
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{
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case PMMinorRadiusID:
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setMinorRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) );
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( ( PMDistanceControlPoint* ) p )->setDistance( m_minorRadius );
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minorChanged = true;
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break;
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case PMMajorRadiusID:
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setMajorRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) );
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( ( PMDistanceControlPoint* ) p )->setDistance( m_majorRadius );
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majorChanged = true;
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break;
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default:
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kdError( PMArea ) << "Wrong ID in PMTorus::controlPointsChanged\n";
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break;
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}
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}
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}
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if( majorChanged )
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for( p = list.first( ); p; p = list.next( ) )
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if( p->id( ) == PMMajorRadiusID )
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( ( PMDistanceControlPoint* ) p )->setDistance( m_majorRadius );
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if( minorChanged )
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for( p = list.first( ); p; p = list.next( ) )
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if( p->id( ) == PMMinorRadiusID )
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( ( PMDistanceControlPoint* ) p )->setDistance( m_minorRadius );
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}
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bool PMTorus::isDefault( )
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{
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if( ( m_minorRadius == c_defaultminorRadius )
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&& ( m_majorRadius == c_defaultmajorRadius )
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&& globalDetail( ) )
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return true;
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return false;
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}
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void PMTorus::createViewStructure( )
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{
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if( !m_pViewStructure )
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{
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m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
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m_pViewStructure->points( ).detach( );
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}
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int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
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int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
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unsigned ptsSize = vStep * uStep;
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unsigned lineSize = vStep * uStep * 2;
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if( ptsSize != m_pViewStructure->points( ).size( ) )
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m_pViewStructure->points( ).resize( ptsSize );
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createPoints( m_pViewStructure->points( ), m_minorRadius, m_majorRadius, uStep, vStep );
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if( lineSize != m_pViewStructure->lines( ).size( ) )
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{
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m_pViewStructure->lines( ).detach( );
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m_pViewStructure->lines( ).resize( lineSize );
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createLines( m_pViewStructure->lines( ), uStep, vStep );
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}
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}
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PMViewStructure* PMTorus::defaultViewStructure( ) const
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{
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if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
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{
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
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int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
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s_pDefaultViewStructure =
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new PMViewStructure( vStep * uStep ,
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vStep * uStep * 2 );
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createPoints( s_pDefaultViewStructure->points( ), c_defaultminorRadius,
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c_defaultmajorRadius, uStep, vStep );
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createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
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}
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return s_pDefaultViewStructure;
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}
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void PMTorus::createLines( PMLineArray& lines, int uStep, int vStep )
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{
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int u, v;
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for( u = 0; u < uStep; ++u )
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{
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for( v = 0; v < vStep; ++v )
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{
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lines[ u * vStep + v ] = PMLine( u * vStep + v, u * vStep + ( (v+1) % vStep ) );
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lines[ uStep * vStep + u * vStep + v ] = PMLine( u * vStep + v, ( (u+1) % uStep ) * vStep + v );
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}
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}
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}
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void PMTorus::createPoints( PMPointArray& points, double minor_radius,
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double major_radius, int uStep, int vStep )
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{
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double l_UradStep = ( 2.0 * M_PI ) / uStep;
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double l_VradStep = ( 2.0 * M_PI ) / vStep;
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double l_u = l_UradStep;
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int u, v;
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for( u = 0; u < uStep; ++u )
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{
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double l_v = 0.0;
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double y = minor_radius * sin ( l_u );
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double l_rcosu = major_radius + minor_radius * cos( l_u );
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for( v = 0; v < vStep; ++v )
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{
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double x = l_rcosu * cos( l_v );
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double z = l_rcosu * sin( l_v );
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points[u * vStep + v ] = PMPoint( x, y, z );
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l_v = l_v + l_VradStep;
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}
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l_u = l_u + l_UradStep;
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}
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}
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void PMTorus::setMinorRadius( double minor_radius )
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{
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if( m_minorRadius != minor_radius )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMMinorRadiusID, m_minorRadius );
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m_minorRadius = minor_radius;
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setViewStructureChanged( );
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}
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}
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void PMTorus::setMajorRadius( double major_radius )
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{
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if( m_majorRadius != major_radius )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMMajorRadiusID, m_majorRadius );
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m_majorRadius = major_radius;
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setViewStructureChanged( );
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}
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}
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void PMTorus::setSturm( bool sturm )
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{
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if( m_sturm != sturm )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMSturmID, m_sturm );
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m_sturm = sturm;
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setViewStructureChanged( );
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}
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}
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void PMTorus::setUSteps( int u )
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{
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if( u >= 2 )
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{
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s_uStep = u;
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if( s_pDefaultViewStructure )
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{
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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}
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}
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else
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kdDebug( PMArea ) << "PMTorus::setUSteps: U must be greater than 1\n";
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s_parameterKey++;
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}
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void PMTorus::setVSteps( int v )
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{
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if( v >= 4 )
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{
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s_vStep = v;
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if( s_pDefaultViewStructure )
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{
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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}
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}
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else
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kdDebug( PMArea ) << "PMTorus::setVSteps: V must be greater than 3\n";
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s_parameterKey++;
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}
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void PMTorus::cleanUp( ) const
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{
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if( s_pDefaultViewStructure )
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delete s_pDefaultViewStructure;
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s_pDefaultViewStructure = 0;
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if( s_pMetaObject )
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{
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delete s_pMetaObject;
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s_pMetaObject = 0;
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}
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Base::cleanUp( );
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}
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