Merge pull request #5587 from nyalldawson/3d

Fix 3d renderer does not work with multi-point layers

src/3d/qgs3dutils.cpp

@@ -172,14 +172,15 @@ QList<QVector3D> Qgs3DUtils::positions( const Qgs3DMapSettings &map, QgsVectorLa
       continue;
 
     const QgsAbstractGeometry *g = f.geometry().constGet();
-    if ( const QgsPoint *pt = qgsgeometry_cast< const QgsPoint *>( g ) )
+    for ( auto it = g->vertices_begin(); it != g->vertices_end(); ++it )
     {
+      QgsPoint pt = *it;
       float geomZ = 0;
-      if ( pt->is3D() )
+      if ( pt.is3D() )
       {
-        geomZ = pt->z();
+        geomZ = pt.z();
       }
-      float terrainZ = map.terrainGenerator()->heightAt( pt->x(), pt->y(), map ) * map.terrainVerticalScale();
+      float terrainZ = map.terrainGenerator()->heightAt( pt.x(), pt.y(), map ) * map.terrainVerticalScale();
       float h;
       switch ( altClamp )
       {
@@ -193,11 +194,9 @@ QList<QVector3D> Qgs3DUtils::positions( const Qgs3DMapSettings &map, QgsVectorLa
           h = terrainZ + geomZ;
           break;
       }
-      positions.append( QVector3D( pt->x() - map.originX(), h, -( pt->y() - map.originY() ) ) );
+      positions.append( QVector3D( pt.x() - map.originX(), h, -( pt.y() - map.originY() ) ) );
       //qDebug() << positions.last();
     }
-    else
-      qDebug() << "not a point";
   }
 
   return positions;

src/3d/qgs3dutils.h

@@ -75,7 +75,7 @@ class _3D_EXPORT Qgs3DUtils
     static QMatrix4x4 stringToMatrix4x4( const QString &str );
 
     /**
-     * Calculates (x,y,z) position of point in the Point vector layers
+     * Calculates (x,y,z) positions of a (multi)point in the Point vector layers
      */
     static QList<QVector3D> positions( const Qgs3DMapSettings &map, QgsVectorLayer *layer, const QgsFeatureRequest &req, AltitudeClamping altClamp );
 

src/app/3d/qgsline3dsymbolwidget.cpp

@@ -23,6 +23,10 @@ QgsLine3DSymbolWidget::QgsLine3DSymbolWidget( QWidget *parent )
 {
   setupUi( this );
 
+  spinHeight->setClearValue( 0.0 );
+  spinWidth->setClearValue( 0.0 );
+  spinExtrusion->setClearValue( 0.0 );
+
   setSymbol( QgsLine3DSymbol() );
 
   connect( spinWidth, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsLine3DSymbolWidget::changed );

src/app/3d/qgspoint3dsymbolwidget.cpp

@@ -25,6 +25,16 @@ QgsPoint3DSymbolWidget::QgsPoint3DSymbolWidget( 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 );

src/app/3d/qgspolygon3dsymbolwidget.cpp

@@ -22,6 +22,8 @@ QgsPolygon3DSymbolWidget::QgsPolygon3DSymbolWidget( QWidget *parent )
   : QWidget( parent )
 {
   setupUi( this );
+  spinHeight->setClearValue( 0.0 );
+  spinExtrusion->setClearValue( 0.0 );
 
   setSymbol( QgsPolygon3DSymbol(), nullptr );