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BUG: runTimePostProcessing - correct the glyph behaviour when dealing with cell data. Fixes #186

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This commit is contained in:
Andrew Heather
2016-07-22 15:32:17 +01:00
parent 2d695acf49
commit cd8be89b28
1 changed files with 77 additions and 63 deletions
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140
src/postProcessing/functionObjects/graphics/runTimePostProcessing/fieldVisualisationBase.C
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@ -43,6 +43,7 @@ License
#include "vtkSphereSource.h"
#include "vtkTextActor.h"
#include "vtkTextProperty.h"
#include "vtkCellDataToPointData.h"
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
@ -151,6 +152,9 @@ void Foam::fieldVisualisationBase::addScalarBar
const vector textColour = colours_["text"]->value(position);
// Work-around to supply our own scalarbar title
// - Default scalar bar title text is scales by the scalar bar box
// dimensions so if the title is a long string, the text is shrunk to fit
// Instead, suppress title and set the title using a vtkTextActor
vtkSmartPointer<vtkTextActor> titleActor =
vtkSmartPointer<vtkTextActor>::New();
sbar->SetTitle(" ");
@ -170,19 +174,18 @@ void Foam::fieldVisualisationBase::addScalarBar
titleActor->GetPositionCoordinate()->
SetCoordinateSystemToNormalizedViewport();
/*
sbar->SetTitle(scalarBar_.title_.c_str());
sbar->GetTitleTextProperty()->SetColor
(
textColour[0],
textColour[1],
textColour[2]
);
sbar->GetTitleTextProperty()->SetFontSize(scalarBar_.fontSize_);
sbar->GetTitleTextProperty()->ShadowOff();
sbar->GetTitleTextProperty()->BoldOn();
sbar->GetTitleTextProperty()->ItalicOff();
*/
// How to use the standard scalar bar text
// sbar->SetTitle(scalarBar_.title_.c_str());
// sbar->GetTitleTextProperty()->SetColor
// (
// textColour[0],
// textColour[1],
// textColour[2]
// );
// sbar->GetTitleTextProperty()->SetFontSize(scalarBar_.fontSize_);
// sbar->GetTitleTextProperty()->ShadowOff();
// sbar->GetTitleTextProperty()->BoldOn();
// sbar->GetTitleTextProperty()->ItalicOff();
sbar->GetLabelTextProperty()->SetColor
(
@ -217,8 +220,8 @@ void Foam::fieldVisualisationBase::addScalarBar
sbar->SetWidth(0.75);
sbar->SetHeight(0.07);
sbar->SetBarRatio(0.5);
// sbar->SetHeight(0.1);
// sbar->SetTitleRatio(0.01);
// sbar->SetHeight(0.1);
// sbar->SetTitleRatio(0.01);
sbar->SetTextPositionToPrecedeScalarBar();
}
@ -228,10 +231,10 @@ void Foam::fieldVisualisationBase::addScalarBar
scalarBar_.position_.second() + sbar->GetHeight()
);
// sbar->DrawFrameOn();
// sbar->DrawBackgroundOn();
// sbar->UseOpacityOff();
// sbar->VisibilityOff();
// sbar->DrawFrameOn();
// sbar->DrawBackgroundOn();
// sbar->UseOpacityOff();
// sbar->VisibilityOff();
sbar->VisibilityOn();
renderer->AddActor(sbar);
@ -268,25 +271,7 @@ void Foam::fieldVisualisationBase::setField
// Configure the mapper
mapper->SelectColorArray(colourFieldName.c_str());
mapper->SetScalarRange(range_.first(), range_.second());
// Set to use either cell or point data
const char* fieldName = colourFieldName.c_str();
if (pData->GetCellData()->HasArray(fieldName) == 1)
{
mapper->SetScalarModeToUseCellFieldData();
}
else if (pData->GetPointData()->HasArray(fieldName) == 1)
{
mapper->SetScalarModeToUsePointFieldData();
}
else
{
WarningInFunction
<< "Unable to determine cell or point data type "
<< "- assuming point data";
mapper->SetScalarModeToUsePointFieldData();
}
mapper->SetScalarModeToDefault(); // try points, then cells
mapper->SetColorModeToMapScalars();
mapper->SetLookupTable(lut);
mapper->ScalarVisibilityOn();
@ -322,9 +307,37 @@ void Foam::fieldVisualisationBase::addGlyphs
glyph->ScalingOn();
bool ok = true;
label nComponents =
data->GetPointData()->GetArray(scaleFieldName.c_str())
->GetNumberOfComponents();
// Determine whether we have scalar or vector data
label nComponents = -1;
const char* scaleFieldNameChar = scaleFieldName.c_str();
if (data->GetPointData()->HasArray(scaleFieldNameChar) == 1)
{
nComponents =
data->GetPointData()->GetArray(scaleFieldNameChar)
->GetNumberOfComponents();
}
else if (data->GetCellData()->HasArray(scaleFieldNameChar) == 1)
{
// Need to convert cell data to point data
vtkSmartPointer<vtkCellDataToPointData> cellToPoint =
vtkSmartPointer<vtkCellDataToPointData>::New();
cellToPoint->SetInputData(data);
cellToPoint->Update();
vtkDataSet* pds = cellToPoint->GetOutput();
vtkDataArray* pData = pds->GetPointData()->GetArray(scaleFieldNameChar);
// Store in main vtkPolyData
data->GetPointData()->AddArray(pData);
nComponents = pData->GetNumberOfComponents();
}
else
{
WarningInFunction
<< "Glyphs can only be added to scalar or vector data. "
<< "Unable to process field " << scaleFieldName << endl;
return;
}
if (nComponents == 1)
{
@ -332,9 +345,10 @@ void Foam::fieldVisualisationBase::addGlyphs
vtkSmartPointer<vtkSphereSource>::New();
sphere->SetCenter(0, 0, 0);
sphere->SetRadius(0.5);
// Setting higher resolution slows the rendering significantly
// sphere->SetPhiResolution(20);
// sphere->SetThetaResolution(20);
// Setting higher resolution slows the rendering significantly
// sphere->SetPhiResolution(20);
// sphere->SetThetaResolution(20);
glyph->SetSourceConnection(sphere->GetOutputPort());
@ -342,18 +356,18 @@ void Foam::fieldVisualisationBase::addGlyphs
{
double range[2];
// Can use values to find range
// vtkDataArray* values =
// data->GetPointData()->GetScalars(scaleFieldName.c_str());
// values->GetRange(range);
// Can use values to find range
// vtkDataArray* values =
// data->GetPointData()->GetScalars(scaleFieldNameChar);
// values->GetRange(range);
// set range accoding to user-supplied limits
// Set range accoding to user-supplied limits
range[0] = range_.first();
range[1] = range_.second();
glyph->ClampingOn();
glyph->SetRange(range);
// if range[0] != min(value), maxGlyphLength behaviour will not
// If range[0] != min(value), maxGlyphLength behaviour will not
// be correct...
glyph->SetScaleFactor(maxGlyphLength);
}
@ -370,7 +384,7 @@ void Foam::fieldVisualisationBase::addGlyphs
0,
0,
vtkDataObject::FIELD_ASSOCIATION_POINTS,
scaleFieldName.c_str()
scaleFieldNameChar
);
}
else if (nComponents == 3)
@ -388,21 +402,21 @@ void Foam::fieldVisualisationBase::addGlyphs
if (maxGlyphLength > 0)
{
vtkDataArray* values =
data->GetPointData()->GetVectors(scaleFieldName.c_str());
data->GetPointData()->GetVectors(scaleFieldNameChar);
double range[6];
values->GetRange(range);
/*
// Attempt to set range for vectors...
scalar x0 = sqrt(sqr(range_.first())/3.0);
scalar x1 = sqrt(sqr(range_.second())/3.0);
range[0] = x0;
range[1] = x0;
range[2] = x0;
range[3] = x1;
range[4] = x1;
range[5] = x1;
*/
// scalar x0 = sqrt(sqr(range_.first())/3.0);
// scalar x1 = sqrt(sqr(range_.second())/3.0);
// range[0] = x0;
// range[1] = x0;
// range[2] = x0;
// range[3] = x1;
// range[4] = x1;
// range[5] = x1;
glyph->ClampingOn();
glyph->SetRange(range);
glyph->SetScaleFactor(maxGlyphLength);
@ -421,7 +435,7 @@ void Foam::fieldVisualisationBase::addGlyphs
0,
0,
vtkDataObject::FIELD_ASSOCIATION_POINTS,
scaleFieldName.c_str()
scaleFieldNameChar
);
}
else