Added a qgis 3d test executable to quickly open a 3D scene

The 3d sandbox needs a qgis project file and will open 3D map canvas
qgis · Oct 26, 2020 · 8c059eb · 8c059eb
1 parent a86149b
commit 8c059eb
Show file tree

Hide file tree

Showing 3 changed files with 194 additions and 0 deletions.
diff --git a/tests/src/3d/CMakeLists.txt b/tests/src/3d/CMakeLists.txt
@@ -76,6 +76,8 @@ MACRO (ADD_QGIS_TEST testname testsrc)
   #  INSTALL_RPATH_USE_LINK_PATH true )
 ENDMACRO (ADD_QGIS_TEST)
 
+ADD_SUBDIRECTORY(sandbox)
+
 ADD_QGIS_TEST(3dutilstest testqgs3dutils.cpp)
 ADD_QGIS_TEST(3drenderingtest testqgs3drendering.cpp)
 ADD_QGIS_TEST(layout3dmaptest testqgslayout3dmap.cpp)

diff --git a/tests/src/3d/sandbox/CMakeLists.txt b/tests/src/3d/sandbox/CMakeLists.txt
@@ -0,0 +1,66 @@
+
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}
+  ${CMAKE_SOURCE_DIR}/external
+  ${CMAKE_SOURCE_DIR}/external/nlohmann
+  ${CMAKE_SOURCE_DIR}/tests/core #for render checker class
+  ${CMAKE_SOURCE_DIR}/src/3d
+  ${CMAKE_SOURCE_DIR}/src/3d/chunks
+  ${CMAKE_SOURCE_DIR}/src/3d/materials
+  ${CMAKE_SOURCE_DIR}/src/3d/mesh
+  ${CMAKE_SOURCE_DIR}/src/3d/symbols
+  ${CMAKE_SOURCE_DIR}/src/3d/terrain
+  ${CMAKE_SOURCE_DIR}/src/core
+  ${CMAKE_SOURCE_DIR}/src/core/3d
+  ${CMAKE_SOURCE_DIR}/src/core/expression
+  ${CMAKE_SOURCE_DIR}/src/core/auth
+  ${CMAKE_SOURCE_DIR}/src/core/geometry
+  ${CMAKE_SOURCE_DIR}/src/core/labeling
+  ${CMAKE_SOURCE_DIR}/src/core/layertree
+  ${CMAKE_SOURCE_DIR}/src/core/layout
+  ${CMAKE_SOURCE_DIR}/src/core/metadata
+  ${CMAKE_SOURCE_DIR}/src/core/mesh
+  ${CMAKE_SOURCE_DIR}/src/core/pointcloud
+  ${CMAKE_SOURCE_DIR}/src/core/raster
+  ${CMAKE_SOURCE_DIR}/src/core/symbology
+  ${CMAKE_SOURCE_DIR}/src/core/effects
+  ${CMAKE_SOURCE_DIR}/src/core/fieldformatter
+  ${CMAKE_SOURCE_DIR}/src/test
+  ${CMAKE_SOURCE_DIR}/src/native
+
+  ${CMAKE_BINARY_DIR}/src/core
+  ${CMAKE_BINARY_DIR}/src/3d
+  ${CMAKE_BINARY_DIR}/src/ui
+  ${CMAKE_BINARY_DIR}/src/native
+  ${CMAKE_CURRENT_BINARY_DIR}
+
+  ${CMAKE_SOURCE_DIR}/src/app/3d
+  ${CMAKE_BINARY_DIR}/src/app
+  ${QWT_INCLUDE_DIR}
+  #${CMAKE_SOURCE_DIR}/external/qwtpolar-1.1.1
+)
+INCLUDE_DIRECTORIES(SYSTEM
+  ${QT_INCLUDE_DIR}
+  ${GDAL_INCLUDE_DIR}
+  ${QT5_3DEXTRA_INCLUDE_DIR}
+)
+
+
+ADD_EXECUTABLE(qgis_3d_sandbox
+  qgis_3d_sandbox.cpp
+  ${CMAKE_SOURCE_DIR}/src/app/3d/qgs3dmapcanvas.cpp
+  ${CMAKE_SOURCE_DIR}/src/app/3d/qgs3dnavigationwidget.cpp
+)
+SET_TARGET_PROPERTIES(qgis_3d_sandbox PROPERTIES AUTORCC TRUE)
+TARGET_LINK_LIBRARIES(qgis_3d_sandbox
+  ${Qt5Xml_LIBRARIES}
+  ${Qt5Core_LIBRARIES}
+  ${Qt5Svg_LIBRARIES}
+  ${Qt5Network_LIBRARIES}
+  ${Qt5Test_LIBRARIES}
+  ${PROJ_LIBRARY}
+  ${GEOS_LIBRARY}
+  ${GDAL_LIBRARY}
+  ${QWT_LIBRARY}
+  qgis_core
+  qgis_3d
+  qgis_native)
diff --git a/tests/src/3d/sandbox/qgis_3d_sandbox.cpp b/tests/src/3d/sandbox/qgis_3d_sandbox.cpp
@@ -0,0 +1,126 @@
+/***************************************************************************
+                         qgis_3d_sandbox.cpp
+                         --------------------
+    begin                : October 2020
+    copyright            : (C) 2020 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 <QApplication>
+#include <QDesktopWidget>
+
+#include "qgsapplication.h"
+#include "qgs3d.h"
+#include "qgslayertree.h"
+#include "qgsmapsettings.h"
+#include "qgspointcloudlayer.h"
+#include "qgspointcloudlayer3drenderer.h"
+#include "qgsproject.h"
+#include "qgsflatterraingenerator.h"
+#include "qgs3dmapscene.h"
+#include "qgs3dmapsettings.h"
+#include "qgs3dmapcanvas.h"
+
+
+void initCanvas3D( Qgs3DMapCanvas *canvas )
+{
+  QgsLayerTree *root = QgsProject::instance()->layerTreeRoot();
+  const QList< QgsMapLayer * > visibleLayers = root->checkedLayers();
+
+  QgsMapSettings ms;
+  ms.setDestinationCrs( QgsProject::instance()->crs() );
+  ms.setLayers( visibleLayers );
+  QgsRectangle fullExtent = ms.fullExtent();
+
+  QgsRectangle extent = fullExtent;
+  extent.scale( 1.3 );
+
+  Qgs3DMapSettings *map = new Qgs3DMapSettings;
+  map->setCrs( QgsProject::instance()->crs() );
+  map->setOrigin( QgsVector3D( fullExtent.center().x(), fullExtent.center().y(), 0 ) );
+  map->setLayers( visibleLayers );
+  map->setTerrainLayers( visibleLayers );
+
+  map->setTransformContext( QgsProject::instance()->transformContext() );
+  map->setPathResolver( QgsProject::instance()->pathResolver() );
+  map->setMapThemeCollection( QgsProject::instance()->mapThemeCollection() );
+  QObject::connect( QgsProject::instance(), &QgsProject::transformContextChanged, map, [map]
+  {
+    map->setTransformContext( QgsProject::instance()->transformContext() );
+  } );
+
+  QgsFlatTerrainGenerator *flatTerrain = new QgsFlatTerrainGenerator;
+  flatTerrain->setCrs( map->crs() );
+  flatTerrain->setExtent( fullExtent );
+  map->setTerrainGenerator( flatTerrain );
+
+  QgsPointLightSettings defaultPointLight;
+  defaultPointLight.setPosition( QgsVector3D( 0, 1000, 0 ) );
+  defaultPointLight.setConstantAttenuation( 0 );
+  map->setPointLights( QList<QgsPointLightSettings>() << defaultPointLight );
+  map->setOutputDpi( QgsApplication::desktop()->logicalDpiX() );
+
+  canvas->setMap( map );
+
+  float dist = static_cast< float >( std::max( extent.width(), extent.height() ) );
+  canvas->setViewFromTop( extent.center(), dist, 0 );
+
+  QObject::connect( canvas->scene(), &Qgs3DMapScene::totalPendingJobsCountChanged, [canvas]
+  {
+    qDebug() << "pending jobs:" << canvas->scene()->totalPendingJobsCount();
+  } );
+
+  qDebug() << "pending jobs:" << canvas->scene()->totalPendingJobsCount();
+}
+
+int main( int argc, char *argv[] )
+{
+  QApplication app( argc, argv );
+
+  // init QGIS's paths - true means that all path will be inited from prefix
+  QgsApplication::init();
+  QgsApplication::initQgis();
+  Qgs3D::initialize();
+
+  if ( argc < 2 )
+  {
+    qDebug() << "need QGIS project file";
+    return 1;
+  }
+
+  QString projectFile = argv[1];
+  bool res = QgsProject::instance()->read( projectFile );
+  if ( !res )
+  {
+    qDebug() << "can't open project file" << projectFile;
+    return 1;
+  }
+
+  // a hack to assign 3D renderer
+  for ( QgsMapLayer *layer : QgsProject::instance()->layerTreeRoot()->checkedLayers() )
+  {
+    if ( QgsPointCloudLayer *pcLayer = qobject_cast<QgsPointCloudLayer *>( layer ) )
+    {
+      QgsPointCloudLayer3DRenderer *r = new QgsPointCloudLayer3DRenderer();
+      r->setLayer( pcLayer );
+      r->resolveReferences( *QgsProject::instance() );
+      pcLayer->setRenderer3D( r );
+    }
+  }
+
+  Qgs3DMapCanvas *canvas = new Qgs3DMapCanvas;
+  initCanvas3D( canvas );
+  canvas->resize( 800, 600 );
+  canvas->show();
+
+  return app.exec();
+}