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<DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3>You may mean
".... instead of 1.0 1.0 0.0", do you? If yes, I answer: yes, <BR>i've
tried and work OK, but I'm altering the cell's geometry. I'm using a <BR>similar
code to draw a curve line, and that was the solution I've found at <BR>the
moment: filtering the geometry data to normalized viewport values. But <BR>it
would be easier if GetPosition2Coordinate worked! In fact, it works OK <BR>with
vtkActor2D classes that are below it in the hierarchical tree. There's <BR>could
be a bug...<BR><BR><BR>> Hi Isidro,<BR>><BR>> Have you tried setting
your second point to 0.5, 0.5, 0 instead of 1.0, <BR>> 1.0,
1.0?<BR>><BR>> - Amy<BR>><BR>> Isidro Moreno
wrote:<BR>>> Hi! I think this method _definitely doesn't work_:
<BR>>>
vtkActor2D->GetPosition2Coordinate->SetValue(x,y,z).<BR>>>
This is my code (a simple straight line):<BR>>> /*This should draw a
diagonal in the left-bottom quarter of the window, <BR>>> but the diagonal
crosses the whole screen. If the commented lines below <BR>>> are enabled,
the behaviour it's the same*/<BR>>> #include
"vtkActor2D.h"<BR>>> #include "vtkRenderWindow.h"<BR>>> #include
"vtkRenderer.h"<BR>>> #include "vtkRenderWindowInteractor.h"<BR>>>
#include "vtkPolyDataMapper2D.h"<BR>>> #include
"vtkProperty2D.h"<BR>>> #include "vtkPolyData.h"<BR>>> #include
"vtkPoints.h"<BR>>> #include "vtkCellArray.h"<BR>>> #include
"vtkCamera.h"<BR>>> int main(int argc, char
*argv[]){<BR>>> vtkPolyData
*linea=vtkPolyData::New();<BR>>> vtkPoints
*puntos=vtkPoints::New();<BR>>> vtkCellArray
*lineas=vtkCellArray::New();<BR>>> vtkPolyDataMapper2D
*mapper=vtkPolyDataMapper2D::New();<BR>>>
vtkActor2D *actor=vtkActor2D::New();<BR>>>
vtkRenderer *render=vtkRenderer::New();<BR>>>
vtkRenderWindow
*ventana=vtkRenderWindow::New();<BR>>>
vtkRenderWindowInteractor
*interac=vtkRenderWindowInteractor::New();<BR>>>
vtkCoordinate *coor=vtkCoordinate::New();<BR>>>
lineas->InsertNextCell(2);<BR>>>
lineas->InsertCellPoint(0);<BR>>>
lineas->InsertCellPoint(1);<BR>>>
puntos->InsertPoint(0,0.0,0.0,0.0);<BR>>>
puntos->InsertPoint(1,1.0,1.0,0.0);<BR>>>
linea->SetPoints(puntos);<BR>>>
linea->SetLines(lineas);<BR>>>
coor->SetCoordinateSystemToNormalizedViewport();<BR>>>
mapper->SetInput(linea);<BR>>>
mapper->SetTransformCoordinate(coor);<BR>>>
actor->SetMapper(mapper);<BR>>>
actor->GetProperty()->SetColor(1.0,0.0,0.0);<BR>>> <BR>>>
actor->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();<BR>>>
<BR>>>
actor->GetPosition2Coordinate()->SetCoordinateSystemToNormalizedViewport();<BR>>>
//actor->GetPosition2Coordinate()->SetReferenceCoordinate(NULL);<BR>>>
actor->GetPositionCoordinate()->SetValue(0.0,0.0,0.0);<BR>>>
*actor->GetPosition2Coordinate()->SetValue(0.5,0.5,0.0); // <BR>>>
ĦĦĦHere!!!*<BR>>>
render->AddActor2D(actor);<BR>>>
render->SetBackground(0.1,0.2,0.4);<BR>>> //
render->ResetCamera();<BR>>> //
render->ResetCameraClippingRange();<BR>>>
ventana->AddRenderer(render);<BR>>>
interac->SetRenderWindow(ventana);<BR>>>
ventana->Render();<BR>>>
interac->Start();<BR>>>
linea->Delete();<BR>>>
puntos->Delete();<BR>>>
lineas->Delete();<BR>>>
mapper->Delete();<BR>>>
actor->Delete();<BR>>>
render->Delete();<BR>>>
ventana->Delete();<BR>>>
interac->Delete();<BR>>>
coor->Delete();<BR>>> return 0;}<BR>>>
------------------------------------------------------------------------<BR>>><BR>>>
_______________________________________________<BR>>> This is the private
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at: </FONT><A href="http://www.vtk.org/Wiki/VTK_FAQ"><FONT
face="Times New Roman"
size=3>http://www.vtk.org/Wiki/VTK_FAQ</FONT></A><BR><FONT
face="Times New Roman" size=3>>> Follow this link to
subscribe/unsubscribe:<BR>>> </FONT><A
href="http://www.vtk.org/mailman/listinfo/vtkusers"><FONT face="Times New Roman"
size=3>http://www.vtk.org/mailman/listinfo/vtkusers</FONT></A><BR><FONT
face="Times New Roman" size=3>>><BR>><BR>> -- <BR>> Amy
Squillacote<BR>> Kitware, Inc.<BR>> 28 Corporate Drive<BR>> Clifton
Park, NY 12065<BR>> Phone: (518) 371-3971
x106<BR>><BR>><BR>><BR>> -- <BR>> No virus found in this incoming
message.<BR>> Checked by AVG Free Edition. Version: 7.5.476 / Virus Database:
<BR>> 269.10.9/907 - Release Date: 18/7/2007 15:30<BR>>
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