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qgspoint3dsymbolwidget.cpp
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qgspoint3dsymbolwidget.cpp
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/***************************************************************************
qgspoint3dsymbolwidget.cpp
--------------------------------------
Date : July 2017
Copyright : (C) 2017 by Martin Dobias
Email : wonder dot sk at gmail dot com
***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "qgspoint3dsymbolwidget.h"
#include <QFileDialog>
#include <QMessageBox>
#include "qgssettings.h"
#include "qgspoint3dsymbol.h"
QgsPoint3DSymbolWidget::QgsPoint3DSymbolWidget( QWidget *parent )
: QWidget( parent )
{
setupUi( this );
spinTX->setClearValue( 0.0 );
spinTY->setClearValue( 0.0 );
spinTZ->setClearValue( 0.0 );
spinSX->setClearValue( 1.0 );
spinSY->setClearValue( 1.0 );
spinSZ->setClearValue( 1.0 );
spinRX->setClearValue( 0.0 );
spinRY->setClearValue( 0.0 );
spinRZ->setClearValue( 0.0 );
cboShape->addItem( tr( "Sphere" ), QgsPoint3DSymbol::Sphere );
cboShape->addItem( tr( "Cylinder" ), QgsPoint3DSymbol::Cylinder );
cboShape->addItem( tr( "Cube" ), QgsPoint3DSymbol::Cube );
cboShape->addItem( tr( "Cone" ), QgsPoint3DSymbol::Cone );
cboShape->addItem( tr( "Plane" ), QgsPoint3DSymbol::Plane );
cboShape->addItem( tr( "Torus" ), QgsPoint3DSymbol::Torus );
cboShape->addItem( tr( "3D Model" ), QgsPoint3DSymbol::Model );
setSymbol( QgsPoint3DSymbol() );
onShapeChanged();
connect( cboAltClamping, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsPoint3DSymbolWidget::changed );
connect( cboShape, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsPoint3DSymbolWidget::onShapeChanged );
QList<QDoubleSpinBox *> spinWidgets;
spinWidgets << spinRadius << spinTopRadius << spinBottomRadius << spinMinorRadius << spinSize << spinLength;
spinWidgets << spinTX << spinTY << spinTZ << spinSX << spinSY << spinSZ << spinRX << spinRY << spinRZ;
Q_FOREACH ( QDoubleSpinBox *spinBox, spinWidgets )
connect( spinBox, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsPoint3DSymbolWidget::changed );
connect( lineEditModel, static_cast<void ( QLineEdit::* )( const QString & )>( &QLineEdit::textChanged ), this, &QgsPoint3DSymbolWidget::changed );
connect( btnModel, static_cast<void ( QToolButton::* )( bool )>( &QToolButton::clicked ), this, &QgsPoint3DSymbolWidget::onChooseModelClicked );
connect( cbOverwriteMaterial, static_cast<void ( QCheckBox::* )( int )>( &QCheckBox::stateChanged ), this, &QgsPoint3DSymbolWidget::onOverwriteMaterialChecked );
connect( widgetMaterial, &QgsPhongMaterialWidget::changed, this, &QgsPoint3DSymbolWidget::changed );
}
void QgsPoint3DSymbolWidget::onChooseModelClicked( bool )
{
QgsSettings s;
QString lastDir = s.value( QStringLiteral( "/UI/lastModel3dDir" ), QDir::homePath() ).toString();
QString filePath = QFileDialog::getOpenFileName( this, tr( "Open 3d Model File" ), lastDir, QStringLiteral( "3D models (*.*)" ) );
if ( filePath.isEmpty() )
{
return;
}
//check if file exists
QFileInfo fileInfo( filePath );
if ( !fileInfo.exists() || !fileInfo.isReadable() )
{
QMessageBox::critical( nullptr, tr( "Invalid File" ), tr( "Error, file does not exist or is not readable." ) );
return;
}
s.setValue( QStringLiteral( "/UI/lastModel3dDir" ), fileInfo.absolutePath() );
lineEditModel->setText( filePath );
}
void QgsPoint3DSymbolWidget::onOverwriteMaterialChecked( int state )
{
if ( state == Qt::Checked )
{
widgetMaterial->setEnabled( true );
}
else
{
widgetMaterial->setEnabled( false );
}
emit changed();
}
void QgsPoint3DSymbolWidget::setSymbol( const QgsPoint3DSymbol &symbol )
{
cboAltClamping->setCurrentIndex( ( int ) symbol.altitudeClamping() );
QVariantMap vm = symbol.shapeProperties();
int index = cboShape->findData( symbol.shape() );
cboShape->setCurrentIndex( index != -1 ? index : 1 ); // use cylinder by default if shape is not set
widgetMaterial->setEnabled( true );
switch ( cboShape->currentIndex() )
{
case 0: // sphere
spinRadius->setValue( vm["radius"].toDouble() );
break;
case 1: // cylinder
spinRadius->setValue( vm["radius"].toDouble() );
spinLength->setValue( vm["length"].toDouble() );
break;
case 2: // cube
spinSize->setValue( vm["size"].toDouble() );
break;
case 3: // cone
spinTopRadius->setValue( vm["topRadius"].toDouble() );
spinBottomRadius->setValue( vm["bottomRadius"].toDouble() );
spinLength->setValue( vm["length"].toDouble() );
break;
case 4: // plane
spinSize->setValue( vm["size"].toDouble() );
break;
case 5: // torus
spinRadius->setValue( vm["radius"].toDouble() );
spinMinorRadius->setValue( vm["minorRadius"].toDouble() );
break;
case 6: // 3d model
lineEditModel->setText( vm["model"].toString() );
bool overwriteMaterial = vm["overwriteMaterial"].toBool();
widgetMaterial->setEnabled( overwriteMaterial );
cbOverwriteMaterial->setChecked( overwriteMaterial );
break;
}
widgetMaterial->setMaterial( symbol.material() );
// decompose the transform matrix
// assuming the last row has values [0 0 0 1]
// see https://math.stackexchange.com/questions/237369/given-this-transformation-matrix-how-do-i-decompose-it-into-translation-rotati
QMatrix4x4 m = symbol.transform();
float *md = m.data(); // returns data in column-major order
float sx = QVector3D( md[0], md[1], md[2] ).length();
float sy = QVector3D( md[4], md[5], md[6] ).length();
float sz = QVector3D( md[8], md[9], md[10] ).length();
float rd[9] =
{
md[0] / sx, md[4] / sy, md[8] / sz,
md[1] / sx, md[5] / sy, md[9] / sz,
md[2] / sx, md[6] / sy, md[10] / sz,
};
QMatrix3x3 rot3x3( rd ); // takes data in row-major order
QVector3D rot = QQuaternion::fromRotationMatrix( rot3x3 ).toEulerAngles();
spinTX->setValue( md[12] );
spinTY->setValue( md[13] );
spinTZ->setValue( md[14] );
spinSX->setValue( sx );
spinSY->setValue( sy );
spinSZ->setValue( sz );
spinRX->setValue( rot.x() );
spinRY->setValue( rot.y() );
spinRZ->setValue( rot.z() );
}
QgsPoint3DSymbol QgsPoint3DSymbolWidget::symbol() const
{
QVariantMap vm;
switch ( cboShape->currentIndex() )
{
case 0: // sphere
vm["radius"] = spinRadius->value();
break;
case 1: // cylinder
vm["radius"] = spinRadius->value();
vm["length"] = spinLength->value();
break;
case 2: // cube
vm["size"] = spinSize->value();
break;
case 3: // cone
vm["topRadius"] = spinTopRadius->value();
vm["bottomRadius"] = spinBottomRadius->value();
vm["length"] = spinLength->value();
break;
case 4: // plane
vm["size"] = spinSize->value();
break;
case 5: // torus
vm["radius"] = spinRadius->value();
vm["minorRadius"] = spinMinorRadius->value();
break;
case 6: // model
vm["model"] = lineEditModel->text();
vm["overwriteMaterial"] = cbOverwriteMaterial->isChecked();
break;
}
QQuaternion rot( QQuaternion::fromEulerAngles( spinRX->value(), spinRY->value(), spinRZ->value() ) );
QVector3D sca( spinSX->value(), spinSY->value(), spinSZ->value() );
QVector3D tra( spinTX->value(), spinTY->value(), spinTZ->value() );
QMatrix4x4 tr;
tr.translate( tra );
tr.scale( sca );
tr.rotate( rot );
QgsPoint3DSymbol sym;
sym.setAltitudeClamping( ( AltitudeClamping ) cboAltClamping->currentIndex() );
sym.setShape( ( QgsPoint3DSymbol::Shape ) cboShape->itemData( cboShape->currentIndex() ).toInt() );
sym.setShapeProperties( vm );
sym.setMaterial( widgetMaterial->material() );
sym.setTransform( tr );
return sym;
}
void QgsPoint3DSymbolWidget::onShapeChanged()
{
QList<QWidget *> allWidgets;
allWidgets << labelSize << spinSize
<< labelRadius << spinRadius
<< labelMinorRadius << spinMinorRadius
<< labelTopRadius << spinTopRadius
<< labelBottomRadius << spinBottomRadius
<< labelLength << spinLength
<< labelModel << lineEditModel << btnModel << cbOverwriteMaterial;
QList<QWidget *> activeWidgets;
switch ( cboShape->currentIndex() )
{
case 0: // sphere
activeWidgets << labelRadius << spinRadius;
break;
case 1: // cylinder
activeWidgets << labelRadius << spinRadius << labelLength << spinLength;
break;
case 2: // cube
activeWidgets << labelSize << spinSize;
break;
case 3: // cone
activeWidgets << labelTopRadius << spinTopRadius << labelBottomRadius << spinBottomRadius << labelLength << spinLength;
break;
case 4: // plane
activeWidgets << labelSize << spinSize;
break;
case 5: // torus
activeWidgets << labelRadius << spinRadius << labelMinorRadius << spinMinorRadius;
break;
case 6: // 3d model
activeWidgets << labelModel << lineEditModel << btnModel << cbOverwriteMaterial;
break;
}
Q_FOREACH ( QWidget *w, allWidgets )
{
w->setVisible( activeWidgets.contains( w ) );
}
emit changed();
}