mirror of
https://github.com/OPM/ResInsight.git
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130 lines
4.7 KiB
C++
130 lines
4.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2018- Equinor ASA
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//
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// ResInsight 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 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RiuPickItemInfo.h"
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#include "cvfDrawableGeo.h"
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#include "cvfEffect.h"
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#include "cvfHitItem.h"
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#include "cvfHitItemCollection.h"
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#include "cvfPart.h"
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#include "cvfRenderState.h"
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#include "cvfRenderStatePolygonOffset.h"
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#include "cvfTransform.h"
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#include <cmath>
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double RiuPickItemInfo::sm_rayDistanceTolerance = 1e-5;
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuPickItemInfo RiuPickItemInfo::extractPickItemInfo( const cvf::HitItem* hitItem )
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{
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RiuPickItemInfo pickInfo;
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pickInfo.m_pickedPart = hitItem->part();
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pickInfo.m_globalPickedPoint = hitItem->intersectionPoint();
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pickInfo.m_distanceAlongRay = hitItem->distanceAlongRay();
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if ( pickInfo.m_pickedPart ) pickInfo.m_sourceInfo = pickInfo.m_pickedPart->sourceInfo();
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const cvf::HitDetailDrawableGeo* detail = dynamic_cast<const cvf::HitDetailDrawableGeo*>( hitItem->detail() );
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if ( detail ) pickInfo.m_faceIdx = detail->faceIndex();
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pickInfo.m_localPickedPoint = pickInfo.m_globalPickedPoint;
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const cvf::Transform* xf = pickInfo.m_pickedPart->transform();
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if ( xf )
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{
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pickInfo.m_localPickedPoint.transformPoint( xf->worldTransform().getInverted() );
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}
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return pickInfo;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::vector<RiuPickItemInfo> RiuPickItemInfo::convertToPickItemInfos( const cvf::HitItemCollection& hitItems,
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const cvf::Vec3d& globalRayOrigin,
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double coincidentRayDistanceTolerance )
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{
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sm_rayDistanceTolerance = coincidentRayDistanceTolerance;
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std::set<RiuPickItemInfo> pickItemInfosSorted;
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for ( size_t i = 0; i < hitItems.count(); i++ )
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{
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pickItemInfosSorted.insert( RiuPickItemInfo( hitItems.item( i ), globalRayOrigin ) );
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}
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std::vector<RiuPickItemInfo> pickItemInfos;
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pickItemInfos.insert( pickItemInfos.begin(), pickItemInfosSorted.begin(), pickItemInfosSorted.end() );
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return pickItemInfos;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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float RiuPickItemInfo::polygonOffsetUnit() const
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{
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float polyOffsetUnit = 0;
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if ( m_pickedPart )
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{
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cvf::Effect* eff = const_cast<cvf::Part*>( m_pickedPart )->effect();
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if ( eff )
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{
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cvf::RenderState* rendState = eff->renderStateOfType( cvf::RenderState::POLYGON_OFFSET );
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if ( rendState )
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{
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auto polyOffsetRenderState = static_cast<cvf::RenderStatePolygonOffset*>( rendState );
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polyOffsetUnit = polyOffsetRenderState->units();
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}
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}
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}
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return polyOffsetUnit;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool RiuPickItemInfo::operator<( const RiuPickItemInfo& other ) const
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{
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if ( fabs( m_distanceAlongRay - other.distanceAlongRay() ) > sm_rayDistanceTolerance )
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{
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return m_distanceAlongRay < other.distanceAlongRay();
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}
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else if ( polygonOffsetUnit() != other.polygonOffsetUnit() )
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{
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return polygonOffsetUnit() < other.polygonOffsetUnit();
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}
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else if ( m_faceIdx != other.faceIdx() )
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{
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return m_faceIdx < other.faceIdx();
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}
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else if ( m_pickedPart != other.pickedPart() )
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{
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return m_pickedPart < other.pickedPart();
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}
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return false;
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}
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