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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;-webkit-line-break: after-white-space'><div class=WordSection1><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>Hi Eric,<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>here it is, or at least the relevant part. <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>I’m sorry it’s a bit lengthy, even though I omitted some stuff around. I did this<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>in the Visual Studio and created a WinForms control (which by the way worked nicely), <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>so “this” points to an instance of the form in order to get the dimensions of the output window.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>The double locdata array and the dimensions of the image etc. are stored in private elements of the<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>WinForm control. <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>This is basically my first effort with these routines in order to try out things, <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>so I wouldn’t be surprised if things can be done in a better way. I put the axes<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>in a different scene in order to work around some strange things when using vtk 5.6.1,<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>but now I am using the latest git stuff (or nearly, I downloaded yesterday afternoon)<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>and there is no need any more for any workarounds (vtk & life has become better </span><span lang=EN-US style='font-family:Wingdings'>J</span><span lang=EN-US style='font-family:"Calibri","sans-serif"'>).<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>Placing the axes into the view’s scene does not change their behavior however (I tested). <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>Thank you very much for your interest in this !<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'>Daniel<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>void</span> vtk2dDataControl::VTKRender() {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>double</span> *minmax; <span style='color:green'>// min and max within the data<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> nColors = 1000; <span style='color:green'>// number of colors<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>double</span> colorposition[2]; <span style='color:green'>// holds the position of the colorbar<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> windowsizeX; <span style='color:green'>// X window size - to be supplied externally<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> windowsizeY; <span style='color:green'>// Y window size - to be supplied externally<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> imageextent[6]; <span style='color:green'>// extent of the imgage<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> barwidth = 120; <span style='color:green'>// FIXME, X space for colorbar<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> labelnum; <span style='color:green'>// number of labels - a helper var<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> upperborder = 20; <span style='color:green'>// border space between upper image edge and window edge<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> rightborder = 40; <span style='color:green'>// space between image and colorbar<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> i;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// calculate the effective width of the window, that can be used for the display<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> windowsizeX = <span style='color:blue'>this</span>->Width;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> windowsizeY = <span style='color:blue'>this</span>->Height;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> effectiveSizeX = windowsizeX - imageposition[0] - barwidth - rightborder;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> effectiveSizeY = windowsizeY - imageposition[1] - upperborder;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// import the data into the vtkimagedata structure<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkImageImport, import);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> import->SetImportVoidPointer(localdata);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> import->SetDataScalarTypeToDouble();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> import->SetWholeExtent(0,locdimX-1,0,locdimY-1,0,0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> import->SetDataExtent(0,locdimX-1,0,locdimY-1,0,0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> import->Update(); <span style='color:green'>// call update for getting the right minmax values below...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> minmax = import->GetOutput()->GetScalarRange();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// resample the image in order to fit into the given window geometry<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkImageResample, resample);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> resample->SetInputConnection(import->GetOutputPort());<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> resample->SetDimensionality(2);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> resample->SetAxisMagnificationFactor(0, ((<span style='color:blue'>double</span>) effectiveSizeX) / locdimX);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> resample->SetAxisMagnificationFactor(1, ((<span style='color:blue'>double</span>) effectiveSizeY) / locdimY);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// add a colorbar<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkLookupTable, lookupTable);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkScalarBarActor, colorbar);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> lookupTable->SetNumberOfColors(nColors);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> lookupTable->SetTableRange(minmax);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>//lookupTable->SetSaturationRange(0, 1);<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>//lookupTable->SetHueRange(0, 1);<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> lookupTable->SetRampToLinear();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> lookupTable->Build();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// Filter to convert the grey image into an RGB output<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkImageMapToColors, rgb);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> rgb->SetInputConnection(resample->GetOutputPort());<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> rgb->SetLookupTable(lookupTable);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> rgb->SetOutputFormatToRGBA();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> rgb->Update();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// Set up a 2D context view - this is the basic 2D API structure<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>if</span> (view != NULL) view->Delete();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> view = vtkContextView::New();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> view->GetRenderWindow()->SetSize(windowsizeX, windowsizeY); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// register the image into the view and position it<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkImageItem, item); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> view->GetScene()->AddItem(item); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> item->SetImage(vtkImageData::SafeDownCast(rgb->GetOutput()));<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> item->GetImage()->GetExtent(imageextent);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> item->SetPosition(imageposition[0], imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// create a new scene for axes and colorbar; also create actor for axes<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkContextScene, axesscene);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkContextActor, axesactor);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// Starting from here there is mainly stuff for the axes...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// X Axis<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkAxis, Xaxis);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetBehavior(1); <span style='color:green'>// rescalable<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// now define location of axis by giving two points<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'>Xaxis->SetPoint1(imageposition[0], imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetPoint2((<span style='color:blue'>int</span>) imageextent[1]-imageextent[0] + imageposition[0], imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Xaxis->SetPosition(vtkAxis::BOTTOM); <span style='color:green'>// this is an axis at the bottom<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetTitle(XAxisName->c_str()); <span style='color:green'>// title of axis<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->GetPen()->SetWidth(2); <span style='color:green'>// lines are 2 pixel wide<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetMinimum(locXmin); <span style='color:green'>// set Xmin and ...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetMaximum(locXmax); <span style='color:green'>// ... Xmax for later autoscale()<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetPrecision(2); <span style='color:green'>// two figures after period<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetNotation(2); <span style='color:green'>// "mixed" (i.e. standard or scientific)<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->AutoScale(); <span style='color:green'>// perform autoscale for ticks<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->Update(); <span style='color:green'>// do it !<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetMinimum(locXmin); <span style='color:green'>// got to reste min/max values afetr autoscale<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetMaximum(locXmax);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->GetGridPen()->SetColor(0,0,0,1); <span style='color:green'>// write in black<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetLabelsVisible(<span style='color:blue'>true</span>); <span style='color:green'>// show it all...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->SetVisible(<span style='color:blue'>true</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>//Xaxis->GetTitleProperties()->SetLineOffset(10);<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xaxis->Update(); <span style='color:green'>// do it !<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> axesscene->AddItem(Xaxis); <span style='color:green'>// add to scene<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:green'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// Y Axis<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// everything completely analogous to X Axis - so no need for comments here<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkAxis, Yaxis);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetBehavior(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'>Yaxis->SetPoint1(imageposition[0], imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetPoint2(imageposition[0], (<span style='color:blue'>int</span>) imageextent[3]-imageextent[2] + imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Yaxis->SetPosition(vtkAxis::LEFT);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetTitle(YAxisName->c_str());<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->GetPen()->SetWidth(2);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetMinimum(locYmin);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetMaximum(locYmax);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->AutoScale();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->Update();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetMinimum(locYmin);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetMaximum(locYmax);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->GetGridPen()->SetColor(0,0,0,1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->GetTitleProperties()->SetOrientation(90.0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetLabelsVisible(<span style='color:blue'>true</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->SetVisible(<span style='color:blue'>true</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yaxis->Update();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> axesscene->AddItem(Yaxis);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// prepare axes on top and on right w/o labels (just ticks)<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> labelnum = Xaxis->GetTickPositions()->GetDataSize();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkStringArray, Xemptylabels);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xemptylabels->SetNumberOfValues(labelnum);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>for</span> (i=0; i<labelnum; i++) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Xemptylabels->SetValue(i, <span style='color:maroon'>""</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> labelnum = Yaxis->GetTickPositions()->GetDataSize();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkStringArray, Yemptylabels);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yemptylabels->SetNumberOfValues(labelnum);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:blue'>for</span> (i=0; i<labelnum; i++) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Yemptylabels->SetValue(i, <span style='color:maroon'>""</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// create axis on top of image<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkAxis, XaxisUpper);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetBehavior(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'>XaxisUpper->SetPoint1(imageposition[0], imageposition[1] + (<span style='color:blue'>int</span>) (imageextent[3]-imageextent[2]));<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetPoint2((<span style='color:blue'>int</span>) imageextent[1]-imageextent[0] + imageposition[0], imageposition[1] + (<span style='color:blue'>int</span>) (imageextent[3]-imageextent[2]));<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=FR style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>XaxisUpper->SetPosition(vtkAxis::TOP);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->GetPen()->SetWidth(2);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetMinimum(locXmin);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetMaximum(locXmax);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// want to have same number of ticks as X axis ...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetNumberOfTicks(Xaxis->GetTickPositions()->GetDataSize());<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->GetGridPen()->SetColor(0,0,0,1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// ... and same positions of ticks as X axis ...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetTickPositions(Xaxis->GetTickPositions()); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// .. but no labels this time.<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetTickLabels(Xemptylabels);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->SetVisible(<span style='color:blue'>true</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> XaxisUpper->Update();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> axesscene->AddItem(XaxisUpper);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// create axis on the right of top image - analogous to XaxisUpper above<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkAxis, YaxisRight);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetBehavior(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetPoint1(imageposition[0] + (<span style='color:blue'>int</span>) imageextent[1]-imageextent[0], imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetPoint2(imageposition[0] + (<span style='color:blue'>int</span>) imageextent[1]-imageextent[0], (<span style='color:blue'>int</span>) imageextent[3]-imageextent[2] + imageposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetPosition(vtkAxis::RIGHT);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->GetPen()->SetWidth(2);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetMinimum(locYmin);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetMaximum(locYmax);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetNumberOfTicks(Yaxis->GetTickPositions()->GetDataSize());<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->GetGridPen()->SetColor(0,0,0,1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->SetTickPositions(Yaxis->GetTickPositions()); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> </span><span style='font-size:10.0pt;font-family:"Courier New"'>YaxisRight->SetTickLabels(Yemptylabels);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>YaxisRight->SetVisible(<span style='color:blue'>true</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> YaxisRight->Update();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> axesscene->AddItem(YaxisRight);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// now format and position colorbar<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->SetLookupTable(lookupTable);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorposition[0] = 1.0 - (1.0* barwidth)/windowsizeX;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorposition[1] = (1.0* imageposition[1])/windowsizeY;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->SetWidth(0.5);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->SetHeight(1.0 - 2* colorposition[1]);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->SetPosition(colorposition);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->SetLabelFormat(<span style='color:maroon'>"%1.2E"</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->PickableOff();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->SetMaximumWidthInPixels(barwidth);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->VisibilityOn();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->GetLabelTextProperty()->SetShadow(0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> colorbar->GetLabelTextProperty()->SetColor(0,0,0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// register the axescene to the axesactor, which and point to the renderer<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> axesactor->SetScene(axesscene);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> view->GetRenderer()->AddActor(axesactor);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// register the colorbar as an actor<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> view->GetRenderer()->AddActor(colorbar);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> RenderWindow = view->GetRenderWindow();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> RenderWindow->SetWindowId((HWND)Handle.ToInt64());<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> <span style='color:green'>// set Interactor Style to RubberBand<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkInteractorStyleRubberBand2D, RubberBandStyle);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> RubberBandStyle->SetRenderOnMouseMove(<span style='color:blue'>false</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> VTK_CREATE(vtkCallbackCommand, SelectionChangedCallback);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> SelectionChangedCallback->SetCallback(SelectionChangedCallbackFunction);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> RubberBandStyle->AddObserver(vtkCommand::SelectionChangedEvent,SelectionChangedCallback); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> RenderWindow->SetInteractor(WinInteractor);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> RenderWindow->SetDoubleBuffer(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> WinInteractor->SetInteractorStyle(RubberBandStyle);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> WinInteractor->Initialize();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> </span><span style='font-size:10.0pt;font-family:"Courier New"'>}</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Eric E. Monson [mailto:emonson@cs.duke.edu] <br><b>Gesendet:</b> Dienstag, 7. Dezember 2010 16:13<br><b>An:</b> Frese Daniel Dr.<br><b>Cc:</b> Marcus D. Hanwell; vtkusers@vtk.org<br><b>Betreff:</b> Re: AW: [vtkusers] Positioning titles within vtkAxis<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hey Daniel,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Yes, this shouldn't be happening. Would you be able to send the section of your code that generates this chart? I'm curious how you're implementing the combination of ImageItem and axes. Maybe there is another way of accomplishing the same thing that wouldn't cause the overlap, or it might at least help us diagnose why the label placement routine isn't dealing with your case correctly.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Also, just to be clear, was this generated with the current development (git) version, or with 5.6.1?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal>-Eric<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Dec 7, 2010, at 8:29 AM, Frese Daniel Dr. wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello Eric, Marcus,</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>before I explain my problem once more I just want to add that I find the charts functionality already quite useful.</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>As I said I just updated my vtk stuff and I can imagine it must have been quite some work to get to this point.</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I appended a screenshot illustrating the problem. Since I don’t know how this appears on the mail list I just describe briefly.</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have a scene with a vtkImageItem to show some 2D matrix data. Around the image I have axes (vtkAxis objects) with</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>appropriate ticks, tick labels and axes titles. The problem is that the axes titles overlap with the tick labels. E.g. for the</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>case of the X axis , the title should be lower such that it does not touch the labels, but there does not seem to</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>be a way to do that as of now.</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>A possible low level solution would be a way to specify some vertical (horizontal axis case) or some horizontal (vertical axis case) offset</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>for the position of the titles (in pixel or font size units).</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In principle of course the vtkAxis object could calculate such an offset by itself, since it has access to both</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>the labels’ and the titles’ text properties.</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>What do you think ?</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Daniel</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-width:initial;border-color:initial'><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Eric E. Monson [mailto:emonson@cs.duke.edu]<span class=apple-converted-space> </span><br><b>Gesendet:</b><span class=apple-converted-space> </span>Dienstag, 7. Dezember 2010 13:54<br><b>An:</b><span class=apple-converted-space> </span>Frese Daniel Dr.<br><b>Cc:</b><span class=apple-converted-space> </span><a href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a><br><b>Betreff:</b><span class=apple-converted-space> </span>Re: [vtkusers] Positioning titles within vtkAxis</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Hey Daniel,<o:p></o:p></p></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>It does seem like SetLineOffset should do something like what you want, but I think they way the label text is applied with VerticalJustification probably nullifies any line offset setting. Line spacing shouldn't matter for a single line of text.<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>So, the adjustments you want are just not implemented. Marcus, the developer, has worked hard to get the labels right, though, so if you have a use case where the labels are running into the axis ticks maybe you should describe the situation and send a screen shot – it may be something that needs fixing. <o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>You're right that the charts are still under development, but some of the core functionality has settled down, and as you said, the current implementation is better than the 5.6.1 version.<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>-Eric<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>------------------------------------------------------</span></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'><br><span class=apple-style-span>Eric E Monson</span><br><span class=apple-style-span>Duke Visualization Technology Group</span><br><br><br></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><div><p class=MsoNormal>On Dec 7, 2010, at 3:35 AM, Frese Daniel Dr. wrote:<o:p></o:p></p></div></div><div><p class=MsoNormal><br><br><br><o:p></o:p></p></div><div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Hi all,</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>I have a problem positioning an axis title relative to its vtkAxis object.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Basically, if I draw a horizontal X-axis, the assigned title is written such that it overlapps with the</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>tick labels. Reading through the docs, I got the impression that I should be able to introduce a</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>vertical offset between the drawn axis and the titel by using either a call to</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal style='text-indent:35.0pt'><span style='font-size:10.0pt;font-family:"Courier New";color:green'>Xaxis->GetTitleProperties()->SetLineOffset(offset_in_pixel)</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>or by </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal style='text-indent:35.0pt'><span style='font-size:10.0pt;font-family:"Courier New";color:green'>Xaxis->GetTitleProperties()->SetLineSpacing(scale_factor).</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>But neither call seems to have any effect.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Moving from 5.6.1 to the latest vtk git source tree I noticed that the chart stuff seems to have</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>improved greatly (most functions a joy to use !), but it still seems to be a work in progress.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>So am doing something stupid and do I miss something here or is this feature just not</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>implemented yet ?</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Daniel</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div></div></div></div></div></div></div></div></div></body></html>