#include <vtkPointData.h>
#include <vtkPolyDataMapper.h>
#include <vtkVertex.h>
-#include <vtkLookupTable.h>
+#include <vtkScalarBarActor.h>
#include <QString>
-#define NB_COLORS 32
-#define Z_MIN -100
+/*! \def Z_MAX
+ \brief Maximum Z value used in bathymetry presentation.
+
+ This value is used instead of invalid values.
+*/
#define Z_MAX 1
-#define HUE_START 0.69
-#define HUE_END 0.41
-#define SATURATION_START 1.0
-#define SATURATION_END 0.4
//=======================================================================
// name : HYDROGUI_VTKPrsBathymetry
//================================================================
void HYDROGUI_VTKPrsBathymetry::compute()
{
+ HYDROGUI_VTKPrs::compute();
+
if ( !getObject().IsNull() )
{
Handle(HYDROData_Bathymetry) aBathymetry = Handle(HYDROData_Bathymetry)::DownCast( getObject() );
if ( !aBathymetry.IsNull() )
{
HYDROData_Bathymetry::AltitudePoints anAltPoints = aBathymetry->GetAltitudePoints();
- int aNbPoints = anAltPoints.length();
+ int aNbPoints = anAltPoints.Length();
HYDROData_Bathymetry::AltitudePoint anAltPnt;
vtkPoints* aPoints = vtkPoints::New();
vtkVertex* aVertex = vtkVertex::New();
- int aZ;
- int anInvalidZ = aBathymetry->GetInvalidAltitude();
+ double aZ;
+ int anInvalidZ = InvalidZValue();
for (int i = 0; i < aNbPoints; i++ )
{
- anAltPnt = anAltPoints.at( i );
+ anAltPnt = anAltPoints.Value( i );
aZ = anAltPnt.Z();
if ( ValuesLessEquals( aZ, anInvalidZ ) )
{
- aZ = Z_MAX;
- }
- else
- {
- aZ = -aZ;
+ aZ = Z_MAX; // If Z value is invalid then use Z_MAX
}
aPoints->InsertPoint( i, anAltPnt.X(), anAltPnt.Y(), aZ );
aVertex->GetPointIds()->SetId( 0, i );
aVertexGrid->SetPoints( aPoints );
aVertexGrid->GetPointData()->SetScalars( aZValues );
- vtkLookupTable* aLut = vtkLookupTable::New();
- aLut->SetHueRange( HUE_START, HUE_END );
- aLut->SetSaturationRange( SATURATION_START, SATURATION_END );
- aLut->SetTableRange( Z_MIN, Z_MAX );
- aLut->SetValueRange( 1.0, 1.0 );
- aLut->SetAlphaRange( 1.0, 1.0 );
- aLut->SetNumberOfColors( NB_COLORS );
- aLut->Build();
-
- vtkPolyDataMapper* aMapper = vtkPolyDataMapper::New();
- aMapper->SetScalarRange( Z_MIN, Z_MAX );
- aMapper->ScalarVisibilityOn();
- aMapper->SetScalarModeToUsePointData();
- aMapper->SetLookupTable( aLut );
- aMapper->SetInputData( aVertexGrid );
+ // Update the lookup table range if this bathymetry is out of it
+ if ( myLookupTable )
+ {
+ aZValues->GetRange( myInternalZRange );
+ double* aGlobalRange = myLookupTable->GetRange();
+ // If the global range is not yet initialized or the current one is out of scope then update the global
+ bool anIsUpdated = false;
+ if ( ValuesEquals( aGlobalRange[0], anInvalidZ ) || ( aGlobalRange[0] > myInternalZRange[0] ) )
+ {
+ aGlobalRange[0] = myInternalZRange[0];
+ anIsUpdated = true;
+ }
+
+ if ( ValuesEquals( aGlobalRange[1], anInvalidZ ) || ( aGlobalRange[1] < myInternalZRange[1] ) )
+ {
+ aGlobalRange[1] = myInternalZRange[1];
+ anIsUpdated = true;
+ }
+
+ if ( anIsUpdated )
+ {
+ myLookupTable->SetRange( aGlobalRange );
+ myLookupTable->Build();
+ }
+
+ myMapper->SetScalarRange( aGlobalRange );
+ myMapper->ScalarVisibilityOn();
+ myMapper->SetScalarModeToUsePointData();
+ myMapper->SetLookupTable( myLookupTable );
+ }
+
+ myMapper->SetInputData( aVertexGrid );
- SALOME_Actor* anActor = SALOME_Actor::New();
- anActor->SetMapper( aMapper );
+ SALOME_Actor* anActor = getActor<SALOME_Actor>(this);
+ anActor->SetMapper( myMapper.GetPointer() );
anActor->setIO( getIO() );
AddObject( anActor );
+
+ aVertexGrid->Delete();
+ aZValues->Delete();
}
}
}