82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
#include "SpawnPointCallback.h"
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#include <vtkVertex.h>
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#include <vtkRenderer.h>
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#include <vtkRenderWindowInteractor.h>
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#include <vtkSmartPointer.h>
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#include <vtkCommand.h>
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#include <vtkRenderWindow.h>
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#include "../CartographicTransformation.h"
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void convertDisplayToWorld(vtkRenderer *renderer, int x, int y, double *worldPos) {
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double displayPos[3] = {static_cast<double>(x), static_cast<double>(y), 0.0};
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renderer->SetDisplayPoint(displayPos);
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renderer->DisplayToWorld();
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renderer->GetWorldPoint(worldPos);
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}
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void SpawnPointCallback::Execute(vtkObject *caller, unsigned long evId, void *callData) {
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// Note the use of reinterpret_cast to cast the caller to the expected type.
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auto interactor = reinterpret_cast<vtkRenderWindowInteractor *>(caller);
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if (evId == vtkCommand::LeftButtonPressEvent) {
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dragging = true;
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}
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if (evId == vtkCommand::LeftButtonReleaseEvent) {
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dragging = false;
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}
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if (!dragging) {
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return;
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}
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int x, y;
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interactor->GetEventPosition(x, y);
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double worldPos[4] = {2, 0 ,0, 0};
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double displayPos[3] = {static_cast<double>(x), static_cast<double>(y), 0.0};
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ren->SetDisplayPoint(displayPos);
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ren->DisplayToWorld();
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ren->GetWorldPoint(worldPos);
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cout << "clicked on " << worldPos[1] << ", " << worldPos[0] << endl;
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inverseCartographicProjection->TransformPoint(worldPos, worldPos);
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vtkIdType id = points->InsertNextPoint(worldPos[0], worldPos[1], 0);
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data->SetPoints(points);
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vtkSmartPointer<vtkVertex> vertex = vtkSmartPointer<vtkVertex>::New();
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vertex->GetPointIds()->SetId(0, id);
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vtkSmartPointer<vtkCellArray> vertices = vtkSmartPointer<vtkCellArray>::New();
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vertices->InsertNextCell(vertex);
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data->SetVerts(vertices);
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ren->GetRenderWindow()->Render();
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}
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SpawnPointCallback::SpawnPointCallback() : data(nullptr),
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points(nullptr),
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inverseCartographicProjection(nullptr),
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uvGrid(nullptr) { }
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SpawnPointCallback *SpawnPointCallback::New() {
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return new SpawnPointCallback;
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}
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void SpawnPointCallback::setData(const vtkSmartPointer<vtkPolyData> &data) {
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this->data = data;
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}
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void SpawnPointCallback::setPoints(const vtkSmartPointer<vtkPoints> &points) {
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this->points = points;
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}
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void SpawnPointCallback::setRen(const vtkSmartPointer<vtkRenderer> &ren) {
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this->ren = ren;
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}
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void SpawnPointCallback::setUVGrid(const std::shared_ptr<UVGrid> &uvGrid) {
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this->uvGrid = uvGrid;
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inverseCartographicProjection = createInverseCartographicTransformFilter(uvGrid)->GetTransform();
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}
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