<div dir="ltr"><div><div>Hi,<br><br></div>I have a project where I load a set of points and then I show them in screen.<br><br></div><div>This works just fine, now, there's also a function where I modify the points position in real time.<br>
<br></div><div>How can I update the viewer with the new points?<br><br></div><div>I have 2 actors, one of them are the points that I modify so I don't want to update the whole scene, just the actor with the modified points.<br>
</div><div><br><br>string filePath = @"C:/tracker/registracion_por_superficie.poi";<br>fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);<br>            sr = new StreamReader(fs);<br>
            vtkPoints points_registracion = vtkPoints.New();<br>            while (!sr.EndOfStream)<br>            {<br>                Buffer_Linea = sr.ReadLine();<br>                sXYZ = Buffer_Linea.Split(chDelimiter, StringSplitOptions.RemoveEmptyEntries);<br>
                //Reg por Superficie original                <br>                xyz[0] = double.Parse(sXYZ[3], CultureInfo.InvariantCulture);<br>                xyz[1] = double.Parse(sXYZ[4], CultureInfo.InvariantCulture);<br>
                xyz[2] = double.Parse(sXYZ[5], CultureInfo.InvariantCulture);<br>                points_registracion.InsertNextPoint(xyz[0], xyz[1], xyz[2]);<br>            }<br>            sr.Close();<br><br>            vtkPolyData polydata_registracion = vtkPolyData.New();<br>
            polydata_registracion.SetPoints(points_registracion);<br><br>            vtkVertexGlyphFilter glyphFilter_registracion = vtkVertexGlyphFilter.New();<br>            glyphFilter_registracion.SetInputConnection(polydata_registracion.GetProducerPort());<br>
            glyphFilter_registracion.Update();<br><br>            vtkPolyDataMapper registracion_mapper = vtkPolyDataMapper.New();<br>            registracion_mapper.SetInputConnection(glyphFilter_registracion.GetOutputPort());<br>
            vtkActor actor_registracion = vtkActor.New();<br>            actor_registracion.SetMapper(registracion_mapper);<br>            actor_registracion.GetProperty().SetPointSize(8);<br>            actor_registracion.GetProperty().SetColor(255, 0, 0);<br>
<br><br></div>// add render and actor:<br>     vtkRenderer render = vtkRenderer.New();//renderWindowControl1.RenderWindow.GetRenderers().GetFirstRenderer(); ;<br>            vtkRenderWindow renwin = vtkRenderWindow.New();<br>
            renwin.AddRenderer(render);<br>            vtkRenderWindowInteractor iren = vtkRenderWindowInteractor.New();<br>            iren.SetRenderWindow(renwin);<br>            renwin.PointSmoothingOn();<br><br>            render.AddActor(actor_registracion);<br>
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