private void CreateViewportBorder(vtkRenderer renderer, double[] color)
{
ModelLoaded = false;
// points start at upper right and proceed anti-clockwise
vtkPoints points = vtkPoints.New();
points.SetNumberOfPoints(4);
points.InsertPoint(0, 1, 1, 0);
points.InsertPoint(1, 1e-3, 1, 0);
points.InsertPoint(2, 1e-3, 1e-3, 0);
points.InsertPoint(3, 1, 1e-3, 0);
// create cells, and lines
vtkCellArray cells = vtkCellArray.New();
cells.Initialize();
vtkPolyLine lines = vtkPolyLine.New();
lines.GetPointIds().SetNumberOfIds(5);
for (int i = 0; i < 4; ++i)
{
lines.GetPointIds().SetId(i, i);
}
lines.GetPointIds().SetId(4, 0);
cells.InsertNextCell(lines);
// now make tge polydata and display it
vtkPolyData poly = vtkPolyData.New();
poly.Initialize();
poly.SetPoints(points);
poly.SetLines(cells);
// use normalized viewport coordinates since
// they are independent of window size
vtkCoordinate coordinate = vtkCoordinate.New();
coordinate.SetCoordinateSystemToNormalizedViewport();
vtkPolyDataMapper2D mapper = vtkPolyDataMapper2D.New();
mapper.SetInput(poly);
mapper.SetTransformCoordinate(coordinate);
vtkActor2D actor = vtkActor2D.New();
actor.SetMapper(mapper);
actor.GetProperty().SetColor(color[0], color[1], color[2]);
// line width should be at least 2 to be visible at extremes
actor.GetProperty().SetLineWidth((float)2.0); // Line Width
renderer.AddViewProp(actor);
}
//vtkPoints points = vtkPoints.New();
//points.InsertNextPoint(0.0, 0.0, 0.0);
//points.InsertNextPoint(200.0, 0.0, 0.0);
//points.InsertNextPoint(200.0, 200.0, 0.0);
//points.InsertNextPoint(0.0, 200.0, 0.0);
//points.InsertNextPoint(0.0, 0.0, 0.0);
//vtkPolygon polygon = vtkPolygon.New();
//polygon.GetPointIds().SetNumberOfIds(5);
//for (int i = 0; i < 5; i++)
//{
// polygon.GetPointIds().SetId(i, i);
//}
public vtkActor2D AddMarkerLine(double[] startCoords, double[] endCoords, Color color)
{
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(startCoords[0], startCoords[1], 0.0);
points.InsertNextPoint(endCoords[0], endCoords[1], 0.0);
vtkPolyLine line = vtkPolyLine.New();
line.GetPointIds().SetNumberOfIds(2);
for (int i = 0; i < 2; i++)
{
line.GetPointIds().SetId(i, i);
}
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(line);
vtkPolyData polyData = vtkPolyData.New();
polyData.SetPoints(points);
polyData.SetLines(cellArray);
vtkPolyDataMapper2D mapper = vtkPolyDataMapper2D.New();
mapper.SetInputData(polyData);
vtkActor2D actor = vtkActor2D.New();
actor.SetMapper(mapper);
actor.GetProperty().SetOpacity((float)color.A / 255);
actor.GetProperty().SetColor((float)color.R / 255, (float)color.G / 255, (float)color.B / 255);
_markerLayerRenderer.AddActor(actor);
return(actor);
}