void
QueryAttributes::SetFromNode(DataNode *parentNode)
{
if(parentNode == 0)
return;
DataNode *searchNode = parentNode->GetNode("QueryAttributes");
if(searchNode == 0)
return;
DataNode *node;
if((node = searchNode->GetNode("name")) != 0)
SetName(node->AsString());
if((node = searchNode->GetNode("variables")) != 0)
SetVariables(node->AsStringVector());
if((node = searchNode->GetNode("resultsMessage")) != 0)
SetResultsMessage(node->AsString());
if((node = searchNode->GetNode("worldPoint")) != 0)
SetWorldPoint(node->AsDoubleArray());
if((node = searchNode->GetNode("domain")) != 0)
SetDomain(node->AsInt());
if((node = searchNode->GetNode("element")) != 0)
SetElement(node->AsInt());
if((node = searchNode->GetNode("resultsValue")) != 0)
SetResultsValue(node->AsDoubleVector());
if((node = searchNode->GetNode("elementType")) != 0)
{
// Allow enums to be int or string in the config file
if(node->GetNodeType() == INT_NODE)
{
int ival = node->AsInt();
if(ival >= 0 && ival < 2)
SetElementType(ElementType(ival));
}
else if(node->GetNodeType() == STRING_NODE)
{
ElementType value;
if(ElementType_FromString(node->AsString(), value))
SetElementType(value);
}
}
if((node = searchNode->GetNode("timeStep")) != 0)
SetTimeStep(node->AsInt());
if((node = searchNode->GetNode("varTypes")) != 0)
SetVarTypes(node->AsIntVector());
if((node = searchNode->GetNode("dataType")) != 0)
{
// Allow enums to be int or string in the config file
if(node->GetNodeType() == INT_NODE)
{
int ival = node->AsInt();
if(ival >= 0 && ival < 2)
SetDataType(DataType(ival));
}
else if(node->GetNodeType() == STRING_NODE)
{
DataType value;
if(DataType_FromString(node->AsString(), value))
SetDataType(value);
}
}
if((node = searchNode->GetNode("pipeIndex")) != 0)
SetPipeIndex(node->AsInt());
if((node = searchNode->GetNode("useGlobalId")) != 0)
SetUseGlobalId(node->AsBool());
if((node = searchNode->GetNode("xUnits")) != 0)
SetXUnits(node->AsString());
if((node = searchNode->GetNode("yUnits")) != 0)
SetYUnits(node->AsString());
if((node = searchNode->GetNode("darg1")) != 0)
SetDarg1(node->AsDoubleVector());
if((node = searchNode->GetNode("darg2")) != 0)
SetDarg2(node->AsDoubleVector());
if((node = searchNode->GetNode("floatFormat")) != 0)
SetFloatFormat(node->AsString());
if((node = searchNode->GetNode("xmlResult")) != 0)
SetXmlResult(node->AsString());
}
bool mitk::GizmoInteractor::HasPickedHandle(const InteractionEvent* interactionEvent)
{
auto positionEvent = dynamic_cast<const InteractionPositionEvent*>(interactionEvent);
if(positionEvent == NULL)
{
return false;
}
DataNode::Pointer gizmoNode = this->GetDataNode();
if (m_Gizmo.IsNull())
{
return false;
}
if (m_ManipulatedObjectGeometry.IsNull())
{
return false;
}
if (interactionEvent->GetSender()->GetRenderWindow()->GetNeverRendered())
{
return false;
}
if (interactionEvent->GetSender()->GetMapperID() == BaseRenderer::Standard2D)
{
m_PickedHandle = PickFrom2D(positionEvent);
}
else
{
m_PickedHandle = PickFrom3D(positionEvent);
}
if (m_PickedHandle != Gizmo::NoHandle)
{
// if something relevant was picked, we calculate a number of
// important points and axes for the upcoming geometry manipulations
// note initial state
m_InitialClickPosition2D = positionEvent->GetPointerPositionOnScreen();
m_InitialClickPosition3D = positionEvent->GetPositionInWorld();
auto renderer = positionEvent->GetSender()->GetVtkRenderer();
renderer->SetWorldPoint(m_InitialClickPosition3D[0],
m_InitialClickPosition3D[1],
m_InitialClickPosition3D[2],
0);
renderer->WorldToDisplay();
m_InitialClickPosition2DZ = renderer->GetDisplayPoint()[2];
m_InitialGizmoCenter3D = m_Gizmo->GetCenter();
positionEvent->GetSender()->WorldToDisplay( m_InitialGizmoCenter3D, m_InitialGizmoCenter2D );
m_InitialManipulatedObjectGeometry = m_ManipulatedObjectGeometry->Clone();
switch (m_PickedHandle)
{
case Gizmo::MoveAlongAxisX:
case Gizmo::RotateAroundAxisX:
case Gizmo::ScaleX:
m_AxisOfMovement = m_InitialManipulatedObjectGeometry->GetAxisVector(0);
break;
case Gizmo::MoveAlongAxisY:
case Gizmo::RotateAroundAxisY:
case Gizmo::ScaleY:
m_AxisOfMovement = m_InitialManipulatedObjectGeometry->GetAxisVector(1);
break;
case Gizmo::MoveAlongAxisZ:
case Gizmo::RotateAroundAxisZ:
case Gizmo::ScaleZ:
m_AxisOfMovement = m_InitialManipulatedObjectGeometry->GetAxisVector(2);
break;
default:
break;
}
m_AxisOfMovement.Normalize();
m_AxisOfRotation = m_AxisOfMovement;
// for translation: test whether the user clicked into the "object's real" axis direction
// or into the other one
Vector3D intendedAxis = m_InitialClickPosition3D - m_InitialGizmoCenter3D;
if ( intendedAxis * m_AxisOfMovement < 0 )
{
m_AxisOfMovement *= -1.0;
}
// for rotation: test whether the axis of rotation is more looking in the direction
// of the camera or in the opposite
vtkCamera* camera = renderer->GetActiveCamera();
vtkVector3d cameraDirection( camera->GetDirectionOfProjection() );
double angle_rad = vtkMath::AngleBetweenVectors( cameraDirection.GetData(),
m_AxisOfRotation.GetDataPointer() );
if ( angle_rad < vtkMath::Pi() / 2.0 )
{
m_AxisOfRotation *= -1.0;
}
return true;
}
else
{
return false;
}
}
