void _lucVectorArrowCrossSection_DrawCrossSection( void* drawingObject, lucDatabase* database, Dimension_Index dim )
{
lucVectorArrowCrossSection* self = (lucVectorArrowCrossSection*)drawingObject;
FieldVariable* vectorVariable = self->fieldVariable;
double min = 0.0, max = self->maximum;
Index aIndex, bIndex;
Journal_Firewall( vectorVariable->fieldComponentCount == vectorVariable->dim, lucError,
"Error - in %s(): provided FieldVariable \"%s\" has %u components - but %s Component "
"can only visualse FieldVariables with %d components.\n", __func__, vectorVariable->name,
vectorVariable->fieldComponentCount, self->type, vectorVariable->dim );
if ( True == self->dynamicRange )
{
min = FieldVariable_GetMinGlobalFieldMagnitude( vectorVariable );
max = FieldVariable_GetMaxGlobalFieldMagnitude( vectorVariable );
}
/* Force 3d vectors */
lucCrossSection_AllocateSampleData(self, 3);
/* Sample the 2d cross-section */
lucCrossSection_SampleField(self, False);
/* Write only values that have data on this processor! */
for ( aIndex = 0 ; aIndex < self->resolutionA ; aIndex++ )
{
for ( bIndex = 0 ; bIndex < self->resolutionB ; bIndex++ )
{
if (self->values[aIndex][bIndex][0] != HUGE_VAL)
{
lucDatabase_AddVertices(database, 1, lucVectorType, &self->vertices[aIndex][bIndex][0]);
lucDatabase_AddVectors(database, 1, lucVectorType, min, max, &self->values[aIndex][bIndex][0]);
}
}
}
lucCrossSection_FreeSampleData(self);
}
void _lucSwarmVectors_PlotParticle( void* drawingObject, lucDatabase* database, Particle_Index lParticle_I )
{
lucSwarmVectors* self = (lucSwarmVectors*)drawingObject;
SwarmVariable* lengthVariable = self->lengthVariable;
SwarmVariable* thicknessVariable = self->thicknessVariable;
float length;
XYZ direction = { 1, 0, 0 };
SwarmVariable_ValueAt( self->directionVariable, lParticle_I, direction );
length = lucSwarmViewer_GetScalar(lengthVariable, lParticle_I, self->length);
//float max = self->directionVariable ? FieldVariable_GetMaxGlobalFieldMagnitude( self->directionVariable ) : 0;
float vecf[3] = {direction[0]*length, direction[1]*length, direction[2]*length};
lucDatabase_AddVectors(database, 1, lucVectorType, 0, 0, vecf);
if (thicknessVariable)
{
float thickness = lucSwarmViewer_GetScalar(thicknessVariable, lParticle_I, self->thickness);
lucDatabase_AddValues(database, 1, self->geomType, lucXWidthData, NULL, &thickness);
}
}
void _lucEigenvectorsCrossSection_DrawCrossSection( void* drawingObject, lucDatabase* database, Dimension_Index dim )
{
lucEigenvectorsCrossSection* self = (lucEigenvectorsCrossSection*)drawingObject;
FieldVariable* tensorField = self->fieldVariable;
SymmetricTensor tensor;
Eigenvector eigenvectorList[3];
Dimension_Index dim_I;
Index aIndex, bIndex;
/* Sample the 2d cross-section */
lucCrossSection_SampleField(self, False);
for ( aIndex = 0 ; aIndex < self->resolutionA ; aIndex++ )
{
for ( bIndex = 0 ; bIndex < self->resolutionB ; bIndex++ )
{
if (self->values[aIndex][bIndex][0] != HUGE_VAL)
{
/* Get tensor data & position */
int t;
for (t=0; t<tensorField->fieldComponentCount; t++)
tensor[t] = self->values[aIndex][bIndex][t];
SymmetricTensor_CalcAllEigenvectors( tensor, dim, eigenvectorList );
float pos[3] = {self->vertices[aIndex][bIndex][0], self->vertices[aIndex][bIndex][1], self->vertices[aIndex][bIndex][2]};
if (self->plotEigenVector)
{
for ( dim_I = 0 ; dim_I < dim ; dim_I++ )
{
float vec[3] = {eigenvectorList[ dim_I ].vector[0], eigenvectorList[ dim_I ].vector[1], eigenvectorList[ dim_I ].vector[2]};
lucDatabase_AddVertices(database, 1, lucVectorType, pos);
lucDatabase_AddRGBA(database, lucVectorType, self->opacity, &self->colours[ dim_I ]);
if (self->useEigenValue)
{
vec[0] *= eigenvectorList[ dim_I ].eigenvalue;
vec[1] *= eigenvectorList[ dim_I ].eigenvalue;
if (dim > 2)
vec[2] *= eigenvectorList[ dim_I ].eigenvalue;
else
vec[2] = 0;
}
lucDatabase_AddVectors(database, 1, lucVectorType, 0, 1, vec);
}
}
if (self->plotEigenValue)
{
float pointSize = 0;
for ( dim_I = 0 ; dim_I < dim ; dim_I++ )
{
lucDatabase_AddVertices(database, 1, lucShapeType, pos);
/* The EigenValue can be negative.... Got to attribute a potential */
/* colour for negative values, one for each dim as well */
if ( eigenvectorList[ dim_I ].eigenvalue >= 0)
{
pointSize = eigenvectorList[ dim_I ].eigenvalue;
lucDatabase_AddRGBA(database, lucShapeType, self->opacity, &self->colours[ dim_I ]);
}
else
{
pointSize = -eigenvectorList[ dim_I ].eigenvalue;
lucDatabase_AddRGBA(database, lucShapeType, self->opacity, &self->colourForNegative[ dim_I ]);
}
lucDatabase_AddValues(database, 1, lucShapeType, lucXWidthData, NULL, &pointSize);
}
}
}
}
}
lucCrossSection_FreeSampleData(self);
}
