From 40faa70ff55ab09a7d95023d44672a1c8366ee87 Mon Sep 17 00:00:00 2001
From: tbaudier <thomas.baudier@creatis.insa-lyon.fr>
Date: Tue, 2 Feb 2016 15:20:23 +0100
Subject: [PATCH] Change the computation of the Extent for Overlay, Fusion and
 VF Add an updateDisplayExtent after loadind Overlay, Fusion and VF

---
 vv/vvMainWindow.cxx | 17 ++++++++++++++++-
 vv/vvSlicer.cxx     |  6 +++---
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/vv/vvMainWindow.cxx b/vv/vvMainWindow.cxx
index 5b5128f..2914da1 100644
--- a/vv/vvMainWindow.cxx
+++ b/vv/vvMainWindow.cxx
@@ -2036,6 +2036,10 @@ void vvMainWindow::AddOverlayImage(int index, std::vector<std::string> fileNames
       item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
       item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("overlay").c_str());
       qApp->processEvents();
+#if VTK_MAJOR_VERSION > 5
+      for ( unsigned int i = 0; i < mSlicerManagers[index]->GetNumberOfSlicers(); i++)
+        mSlicerManagers[index]->GetSlicer(i)->ForceUpdateDisplayExtent();
+#endif
 
       for (int j = 1; j <= 4; j++) {
         item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
@@ -2183,7 +2187,10 @@ void vvMainWindow::AddFusionImage(int index, std::vector<std::string> fileNames,
           item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
           item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("fusion").c_str());
           qApp->processEvents();
-
+#if VTK_MAJOR_VERSION > 5
+      for ( unsigned int i = 0; i < mSlicerManagers[index]->GetNumberOfSlicers(); i++)
+        mSlicerManagers[index]->GetSlicer(i)->ForceUpdateDisplayExtent();
+#endif
       for (int j = 1; j <= 4; j++) {
         item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
       }
@@ -2330,6 +2337,10 @@ void vvMainWindow::AddField(vvImage::Pointer vf,QString file,int index)
   vvSlicerManager* imageManager = mSlicerManagers[index];
   if (imageManager->SetVF(vf,file.toStdString())) {
     AddFieldEntry(file,index,false);
+#if VTK_MAJOR_VERSION > 5
+      for ( unsigned int i = 0; i < mSlicerManagers[index]->GetNumberOfSlicers(); i++)
+        mSlicerManagers[index]->GetSlicer(i)->ForceUpdateDisplayExtent();
+#endif
   } else {
     QString error = "Cannot import the vector field for this image.\n";
     error += imageManager->GetLastError().c_str();
@@ -2552,6 +2563,10 @@ void vvMainWindow::AddFusionSequence(int index, std::vector<std::string> fileNam
       item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
       item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("fusionSequence").c_str());
       qApp->processEvents();
+#if VTK_MAJOR_VERSION > 5
+      for ( unsigned int i = 0; i < mSlicerManagers[index]->GetNumberOfSlicers(); i++)
+        mSlicerManagers[index]->GetSlicer(i)->ForceUpdateDisplayExtent();
+#endif
       for (int j = 1; j <= 4; j++) {
         item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
       }
diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index 1bf7f13..dc7bea7 100644
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -1116,7 +1116,7 @@ void vvSlicer::UpdateDisplayExtent()
     bool out = ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetWholeExtent());
 #else
     this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mOverlayReslice->GetOutput(), overExtent);
-    bool out = ClipDisplayedExtent(overExtent, mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT()));
+    bool out = ClipDisplayedExtent(overExtent, mOverlayMapper->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
 #endif
     mOverlayActor->SetVisibility(!out);
     mOverlayActor->SetDisplayExtent( overExtent );
@@ -1137,7 +1137,7 @@ void vvSlicer::UpdateDisplayExtent()
     bool out = ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetWholeExtent());
 #else
     this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mFusionReslice->GetOutput(), fusExtent);
-    bool out = ClipDisplayedExtent(fusExtent, mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT()));
+    bool out = ClipDisplayedExtent(fusExtent, mFusionMapper->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
 #endif
     mFusionActor->SetVisibility(!out);
     mFusionActor->SetDisplayExtent( fusExtent );
@@ -1175,7 +1175,7 @@ void vvSlicer::UpdateDisplayExtent()
 #else
     //this->UpdateInformation();
     this->ConvertImageToImageDisplayExtent(mImageReslice->GetOutputInformation(0), w_ext, mVF->GetVTKImages()[0], vfExtent);
-    bool out = ClipDisplayedExtent(vfExtent, mImage->GetVTKImages()[mCurrentTSlice]->GetInformation()->Get(vtkDataObject::DATA_EXTENT()));
+    bool out = ClipDisplayedExtent(vfExtent, mVOIFilter->GetInputInformation()->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT()));
 #endif
     mVFActor->SetVisibility(!out);
     mVOIFilter->SetVOI(vfExtent);
-- 
2.46.1