From 2004b837c714f99a964a9f686a5a39a6d3a8be69 Mon Sep 17 00:00:00 2001
From: jfa <jfa@opencascade.com>
Date: Fri, 3 Feb 2006 12:56:46 +0000
Subject: [PATCH] Fix some problems.

---
 src/VISU_I/VISU_CutLines_i.hh      |  3 +++
 src/VISU_I/VISU_CutPlanes_i.hh     |  3 +++
 src/VISU_I/VISU_DeformedShape_i.hh |  3 +++
 src/VISU_I/VISU_IsoSurfaces_i.hh   |  3 +++
 src/VISU_I/VISU_Plot3D_i.hh        |  2 ++
 src/VISU_I/VISU_Prs3d_i.cc         | 19 +++++++++++++++++++
 src/VISU_I/VISU_Prs3d_i.hh         |  5 +++++
 src/VISU_I/VISU_StreamLines_i.hh   |  3 +++
 src/VISU_I/VISU_Vectors_i.hh       |  3 +++
 9 files changed, 44 insertions(+)

diff --git a/src/VISU_I/VISU_CutLines_i.hh b/src/VISU_I/VISU_CutLines_i.hh
index cdc7184a..7acb62a7 100644
--- a/src/VISU_I/VISU_CutLines_i.hh
+++ b/src/VISU_I/VISU_CutLines_i.hh
@@ -38,7 +38,10 @@ namespace VISU{
     static int myNbPresent;
     CutLines_i();
     CutLines_i(const CutLines_i&);
+
   public:
+    typedef ScalarMap_i TSuperClass;
+
     explicit
     CutLines_i(Result_i* theResult,
 	       bool theAddToStudy);
diff --git a/src/VISU_I/VISU_CutPlanes_i.hh b/src/VISU_I/VISU_CutPlanes_i.hh
index 66c2d913..1ade4906 100644
--- a/src/VISU_I/VISU_CutPlanes_i.hh
+++ b/src/VISU_I/VISU_CutPlanes_i.hh
@@ -38,7 +38,10 @@ namespace VISU{
     static int myNbPresent;
     CutPlanes_i();
     CutPlanes_i(const CutPlanes_i&);
+
   public:
+    typedef ScalarMap_i TSuperClass;
+
     explicit
     CutPlanes_i(Result_i* theResult,
 		bool theAddToStudy);
diff --git a/src/VISU_I/VISU_DeformedShape_i.hh b/src/VISU_I/VISU_DeformedShape_i.hh
index e6fccb44..814438d6 100644
--- a/src/VISU_I/VISU_DeformedShape_i.hh
+++ b/src/VISU_I/VISU_DeformedShape_i.hh
@@ -38,7 +38,10 @@ namespace VISU{
     static int myNbPresent;
     DeformedShape_i();
     DeformedShape_i(const DeformedShape_i&);
+
   public:
+    typedef ScalarMap_i TSuperClass;
+
     explicit
     DeformedShape_i(Result_i* theResult,
 		    bool theAddToStudy);
diff --git a/src/VISU_I/VISU_IsoSurfaces_i.hh b/src/VISU_I/VISU_IsoSurfaces_i.hh
index 94e09915..b10ef520 100644
--- a/src/VISU_I/VISU_IsoSurfaces_i.hh
+++ b/src/VISU_I/VISU_IsoSurfaces_i.hh
@@ -38,7 +38,10 @@ namespace VISU{
     static int myNbPresent;
     IsoSurfaces_i();
     IsoSurfaces_i(const IsoSurfaces_i&);
+
   public:
+    typedef ScalarMap_i TSuperClass;
+
     explicit
     IsoSurfaces_i(Result_i* theResult,
 		  bool theAddToStudy);
diff --git a/src/VISU_I/VISU_Plot3D_i.hh b/src/VISU_I/VISU_Plot3D_i.hh
index a20df363..d612af1e 100644
--- a/src/VISU_I/VISU_Plot3D_i.hh
+++ b/src/VISU_I/VISU_Plot3D_i.hh
@@ -34,6 +34,8 @@ namespace VISU {
     Plot3D_i(const Plot3D_i&);
 
   public:
+    typedef ScalarMap_i TSuperClass;
+
     explicit
     Plot3D_i (Result_i* theResult, bool theAddToStudy = true);
     explicit
diff --git a/src/VISU_I/VISU_Prs3d_i.cc b/src/VISU_I/VISU_Prs3d_i.cc
index 32338e4d..beaa4b68 100644
--- a/src/VISU_I/VISU_Prs3d_i.cc
+++ b/src/VISU_I/VISU_Prs3d_i.cc
@@ -167,6 +167,22 @@ VISU::Prs3d_i
 
 
 //----------------------------------------------------------------------------
+void
+VISU::Prs3d_i
+::CheckDataSet() 
+{
+  vtkMapper *aMapper = myPipeLine->GetMapper();
+  vtkDataSet *aDataSet = aMapper->GetInput();
+  if (!aDataSet)
+    throw std::runtime_error("There is no input data !!!");
+  aDataSet->Update();
+  static float eps = VTK_LARGE_FLOAT * 0.1 ;
+  if (!aDataSet->GetNumberOfCells())
+    throw std::runtime_error("There are no visible elements");
+  if (aDataSet->GetLength() > eps)
+    throw std::runtime_error("Diagonal of the actor is too large !!!");
+}
+
 void
 VISU::Prs3d_i
 ::RemoveFromStudy() 
@@ -232,6 +248,8 @@ VISU::Prs3d_i
     }
 
     Update();
+    CheckDataSet();
+
     theActor->SetPrs3d(this);
     theActor->SetShrinkFactor();
     theActor->SetPosition(myOffset);
@@ -287,6 +305,7 @@ VISU::Prs3d_i
 {
   if(MYDEBUG) MESSAGE("Prs3d_i::UpdateActors - this = "<<this);
   Update();
+  CheckDataSet();
   myUpdateActorsSignal();
 }
 
diff --git a/src/VISU_I/VISU_Prs3d_i.hh b/src/VISU_I/VISU_Prs3d_i.hh
index a9216165..efdd5556 100644
--- a/src/VISU_I/VISU_Prs3d_i.hh
+++ b/src/VISU_I/VISU_Prs3d_i.hh
@@ -215,6 +215,11 @@ namespace VISU
     VISU_PipeLine* 
     GetPipeLine();
 
+    //! To check dataset validity, throws std::exception if not valid
+    virtual
+    void
+    CheckDataSet();
+
     bool myAddToStudy;
     float myOffset[3];
     Result_i *myResult;
diff --git a/src/VISU_I/VISU_StreamLines_i.hh b/src/VISU_I/VISU_StreamLines_i.hh
index 2c5c4fef..31c9fe7d 100644
--- a/src/VISU_I/VISU_StreamLines_i.hh
+++ b/src/VISU_I/VISU_StreamLines_i.hh
@@ -39,7 +39,10 @@ namespace VISU{
     static int myNbPresent;
     StreamLines_i();
     StreamLines_i(const StreamLines_i&);
+
   public:
+    typedef DeformedShape_i TSuperClass;
+
     explicit
     StreamLines_i(Result_i* theResult,
 		  bool theAddToStudy);
diff --git a/src/VISU_I/VISU_Vectors_i.hh b/src/VISU_I/VISU_Vectors_i.hh
index d74c25ed..88143087 100644
--- a/src/VISU_I/VISU_Vectors_i.hh
+++ b/src/VISU_I/VISU_Vectors_i.hh
@@ -38,7 +38,10 @@ namespace VISU{
     static int myNbPresent;
     Vectors_i();
     Vectors_i(const Vectors_i&);
+
   public:
+    typedef DeformedShape_i TSuperClass;
+
     explicit
     Vectors_i(Result_i* theResult,
 	      bool theAddToStudy);
-- 
2.39.2