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trigger loading of sub indexes using queued connection

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uclaros 2023-10-18 21:43:15 +03:00 committed by Nyall Dawson
parent ca5041b116
commit 993c95dacc
2 changed files with 6 additions and 1 deletions
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4
src/3d/qgsvirtualpointcloudentity_p.cpp
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@ -56,7 +56,9 @@ QgsVirtualPointCloudEntity::QgsVirtualPointCloudEntity( QgsPointCloudLayer *laye
}
updateBboxEntity();
connect( this, &QgsVirtualPointCloudEntity::subIndexNeedsLoading, provider(), &QgsVirtualPointCloudProvider::loadSubIndex, Qt::QueuedConnection );
connect( provider(), &QgsVirtualPointCloudProvider::subIndexLoaded, this, &QgsVirtualPointCloudEntity::createChunkedEntityForSubIndex );
}
QList<QgsChunkedEntity *> QgsVirtualPointCloudEntity::chunkedEntities() const
@ -120,7 +122,7 @@ void QgsVirtualPointCloudEntity::handleSceneUpdate( const SceneState &state )
// then once the camera changes we display as bbox depending on screen space error
const bool displayAsBbox = state.cameraPos.isNull() || sse < THRESHOLD;
if ( !displayAsBbox && !subIndexes.at( i ).index() )
provider()->loadSubIndex( i );
emit subIndexNeedsLoading( i );
setRenderSubIndexAsBbox( i, displayAsBbox );
if ( !displayAsBbox && mChunkedEntitiesMap.contains( i ) )

3
src/3d/qgsvirtualpointcloudentity_p.h
View File

@ -75,6 +75,9 @@ class QgsVirtualPointCloudEntity : public Qgs3DMapSceneEntity
//! If \a asBbox is TRUE only the bounding box will be rendered for the sub index \a i. If it is FALSE, the sub index will be rendered as a chunked entity.
void setRenderSubIndexAsBbox( int i, bool asBbox );
signals:
void subIndexNeedsLoading( int i );
private:
//! Updates the Bbox child entity to display the sub indexes set with setRenderSubIndexAsBbox()
void updateBboxEntity();