[vtkusers] Curved reformation using imageslicemapper
rahul indoria
rahulindoria5 at gmail.com
Fri Jul 5 08:57:43 EDT 2013
Hi,
I want to use the application of example (
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/ImageSliceMapper) in
example (
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/CurvedReformation)
but when i trying to modifying this, i am getting certain errors. I am
attaching my modifying code with this mail, could you please tell me the
mistakes which i am doing in that.
Looking forward your reply soon.
rahul indoria
On Thu, Jul 4, 2013 at 6:00 PM, <vtkusers-request at vtk.org> wrote:
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> Today's Topics:
>
> 1. How do I render a volume from an UnstructuredGrid? (Ruff)
> 2. Re: vtkButtonSource?vtkRectangularButtonSource
> ?vtkEllipticalButtonSource (louiskoo)
> 3. Re: Problem in an example (Shawn Waldon)
> 4. Re: Contouring Irregular Points (David E DeMarle)
> 5. Re: Contouring Irregular Points (Michael Jackson)
> 6. Re: Contouring Irregular Points (David E DeMarle)
> 7. Re: How do I render a volume from an UnstructuredGrid? (Ruff)
> 8. How to use vtkButtonWidget.AddObserver() (louiskoo)
> 9. Re: vtkButtonSource?vtkRectangularButtonSource
> ?vtkEllipticalButtonSource (mirko heuegger)
> 10. Vtk 6.0 dotnet (Domenico Quaranta)
> 11. Is it possible to make an image slice of unstructured grid?
> (Ruff)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 4 Jul 2013 06:21:02 -0700 (PDT)
> From: Ruff <albin.nilsson at gmail.com>
> Subject: [vtkusers] How do I render a volume from an UnstructuredGrid?
> To: vtkusers at vtk.org
> Message-ID: <1372944062789-5721766.post at n5.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> I've created an unstructured grid and would like to volume render it's
> scalar
> values, but nothing is rendered.
> It seems like it is calculating the space I've specified but I cannot see
> anything. Like I'm missing some small obvious thing.
>
> I also tried setting a function to the mapper (Not that I know exactly what
> it does) but it doesn't seem to do anything.
>
> /I know that my current dataset could easily be used as structuredPoints,
> but I am planning to use a more arbitrary structure for the datafiles./
>
> The code is as follows:
> #!/usr/bin/env python
>
> import math
> from random import*
> from vtk import*
>
> #------------------------------------------------------------------#
> # Just generating a pretty pattern #
> #------------------------------------------------------------------#
> cubeSize = 40
> atomIndex = 0
> coordinates = vtk.vtkPoints()
> scalars = vtk.vtkFloatArray()
>
> for z in range(0,cubeSize):
> for y in range(0,cubeSize):
> for x in range(0,cubeSize):
> distX = abs(cubeSize/2 - x)
> distY = abs(cubeSize/2 - y)
> distZ = abs(cubeSize/2 - z)
> dist = math.sqrt(distX*distX + distY*distY +
> distZ*distZ)
>
> coordinates.InsertPoint(atomIndex, x, y, z)
> scalars.InsertValue(atomIndex,
> abs(math.cos(dist*.1)*255))
> #------------------------------------------------------------------#
> # Done generating pretty pattern #
> #------------------------------------------------------------------#
>
> #Setting up scalar grid
> ScalarGrid = vtk.vtkUnstructuredGrid()
> ScalarGrid.SetPoints(coordinates)
> ScalarGrid.GetPointData().SetScalars(scalars)
>
> #------------------------------------------------------------------#
> # Fixing a bunch of volume properties #
> #------------------------------------------------------------------#
> # Scalars (0-255) mapped to transparency
> opacity = vtk.vtkPiecewiseFunction()
> opacity.AddPoint(150, 0)
> opacity.AddPoint(255, 1)
>
> # Scalars (0-255) mapped to colors
> colors = vtk.vtkColorTransferFunction()
> colors.AddRGBPoint(0,1,1,1)
> colors.AddRGBPoint(230,0,1,0)
> colors.AddRGBPoint(250,1,0,0)
>
> # Colors and opacity goes into a property, along with some fancy stuff
> volumeProperty = vtk.vtkVolumeProperty()
> volumeProperty.SetColor(colors)
> volumeProperty.SetScalarOpacity(opacity)
> volumeProperty.ShadeOn()
> volumeProperty.SetInterpolationTypeToLinear()
>
> #------------------------------------------------------------------#
> # End of volume properties #
> #------------------------------------------------------------------#
>
> # Mapping the grid
> volumeMapper = vtkUnstructuredGridVolumeRayCastMapper()
> volumeMapper.SetInput(ScalarGrid)
> #This seems to do nothing at all
> Function = vtk.vtkUnstructuredGridBunykRayCastFunction()
> volumeMapper.SetRayCastFunction(Function)
>
> # Volume using the mapper
> volume = vtk.vtkVolume()
> volume.SetMapper(volumeMapper)
> volume.SetProperty(volumeProperty)
>
> # Standard renderer, render window and interactor
> ren = vtk.vtkRenderer()
> ren.AddVolume(volume)
> ren.SetBackground(1, 1, 1)
>
> # =======THIS IS WRITTEN ONLY TO SEE THAT SOMETHING IS RENDERED=======
> cylinder = vtkCylinderSource()
> cylinderMapper = vtkPolyDataMapper()
> cylinderMapper.SetInput(cylinder.GetOutput())
> cylinderActor = vtkActor()
> cylinderActor.SetMapper(cylinderMapper)
> ren.AddActor(cylinderActor)
> # =====================================================================
>
> renWin = vtk.vtkRenderWindow()
> renWin.AddRenderer(ren)
> renWin.SetSize(600, 600)
>
> iren = vtk.vtkRenderWindowInteractor()
> iren.SetRenderWindow(renWin)
> iren.Initialize()
> iren.Start()
>
>
>
>
> --
> View this message in context:
> http://vtk.1045678.n5.nabble.com/How-do-I-render-a-volume-from-an-UnstructuredGrid-tp5721766.html
> Sent from the VTK - Users mailing list archive at Nabble.com.
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 4 Jul 2013 06:28:47 -0700 (PDT)
> From: louiskoo <419655660 at qq.com>
> Subject: Re: [vtkusers] vtkButtonSource?vtkRectangularButtonSource
> ?vtkEllipticalButtonSource
> To: vtkusers at vtk.org
> Message-ID: <1372944527281-5721767.post at n5.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> Yes,I have taken your suggstion.
>
> vtkButtonWidget buttonWidget = vtkButtonWidget.New();
> vtkRenderWindowInteractor renderInteractor =
> renderWindowControl1.RenderWindow.GetInteractor();
> renderInteractor.LeftButtonPressEvt += new
> vtkObject.vtkObjectEventHandler(renderInteractor_LeftButtonPressEvt);
> buttonWidget.SetInteractor(renderInteractor);
> buttonWidget.SetRepresentation(rep);
> //buttonWidget.LeftButtonPressEvt += new
> vtkObject.vtkObjectEventHandler(buttonWidget_LeftButtonPressEvt);
> buttonWidget.On();
>
> But the result is that the buttonWidget has no effect when I click the
> buttonWidget .
>
>
>
> --
> View this message in context:
> http://vtk.1045678.n5.nabble.com/vtkButtonSource-vtkRectangularButtonSource-vtkEllipticalButtonSource-tp5721752p5721767.html
> Sent from the VTK - Users mailing list archive at Nabble.com.
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 4 Jul 2013 09:29:14 -0400
> From: Shawn Waldon <swaldon at cs.unc.edu>
> Subject: Re: [vtkusers] Problem in an example
> To: rahul indoria <rahulindoria5 at gmail.com>
> Cc: "vtkusers at vtk.org" <vtkusers at vtk.org>
> Message-ID:
> <CAKqg6a5sy8M=BsiA=
> L8TiGzOsAr-wK_NEVzxmPB6HwkCC8L8Ng at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Rahul,
>
> It looks like you may be building against an older version of VTK.
> SetInputData was not added until VTK 6, so if you are using VTK 5 (or
> accidentally using the wrong header files), that is why you are getting the
> message. If you just want to modify the code, you could change it to
> SetInput instead (the VTK 5 and previous method used for the same purpose).
> The methods are slightly different (see
> http://www.vtk.org/Wiki/VTK/VTK_6_Migration/Replacement_of_SetInput), but
> for the purposes of this example they are the same.
>
> HTH,
>
> Shawn
>
>
> On Thu, Jul 4, 2013 at 8:58 AM, rahul indoria <rahulindoria5 at gmail.com
> >wrote:
>
> > Hi,
> > when i am running this code, this example(
> >
> http://vtk.org/gitweb?p=VTK.git;a=blob_plain;f=Examples/DataManipulation/Cxx/Arrays.cxx
> > ) *showing an error : 'SetInputData'* : is not a member of
> > 'vtkPolyDataMapper', but when i am checking this class, this class has
> this
> > member function, could you please tell me, why i am getting this
> example?
> >
> >
> > Looking forward your reply.
> > rahul indoria
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Shawn Waldon
> Graduate Student
> Department of Computer Science
> University of North Carolina at Chapel Hill
> swaldon at cs.unc.edu
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> ------------------------------
>
> Message: 4
> Date: Thu, 4 Jul 2013 09:53:49 -0400
> From: David E DeMarle <dave.demarle at kitware.com>
> Subject: Re: [vtkusers] Contouring Irregular Points
> To: Michael Jackson <mike.jackson at bluequartz.net>
> Cc: "vtkusers at vtk.org" <vtkusers at vtk.org>
> Message-ID:
> <
> CANjZAi-7DJaKp7G6eWSynHP8tv06NWXapn1HOKEtqoZHuhOJKw at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> pointset->delauney->contour
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
> On Thu, Jul 4, 2013 at 8:06 AM, Michael Jackson <
> mike.jackson at bluequartz.net
> > wrote:
>
> > Can VTK create a contour plot of "irregular" points? What I mean is that
> I
> > have a bunch of X,Y + intensity points but the X,Y points are NOT on a
> > regular grid they are just "Point Data". A collaborator of mine uses IDL
> to
> > produce some plots from this data and I would like to use VTK for my own
> > projects.
> >
> > Thanks for any help.
> > ___________________________________________________________
> > Mike Jackson Principal Software Engineer
> > BlueQuartz Software Dayton, Ohio
> > mike.jackson at bluequartz.net www.bluequartz.net
> >
> > _______________________________________________
> > Powered by www.kitware.com
> >
> > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
> >
> > Please keep messages on-topic and check the VTK FAQ at:
> > http://www.vtk.org/Wiki/VTK_FAQ
> >
> > Follow this link to subscribe/unsubscribe:
> > http://www.vtk.org/mailman/listinfo/vtkusers
> >
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>
> ------------------------------
>
> Message: 5
> Date: Thu, 4 Jul 2013 09:56:03 -0400
> From: Michael Jackson <mike.jackson at bluequartz.net>
> Subject: Re: [vtkusers] Contouring Irregular Points
> To: "vtkusers at vtk.org" <vtkusers at vtk.org>
> Message-ID: <B3832DE6-FA1D-463A-AED1-38D8FCE74818 at bluequartz.net>
> Content-Type: text/plain; charset=iso-8859-1
>
> Is that available in ParaView by any chance?
> ___________________________________________________________
> Mike Jackson Principal Software Engineer
>
>
> On Jul 4, 2013, at 9:53 AM, David E DeMarle <dave.demarle at kitware.com>
> wrote:
>
> > pointset->delauney->contour
> >
> > David E DeMarle
> > Kitware, Inc.
> > R&D Engineer
> > 21 Corporate Drive
> > Clifton Park, NY 12065-8662
> > Phone: 518-881-4909
> >
> >
> > On Thu, Jul 4, 2013 at 8:06 AM, Michael Jackson <
> mike.jackson at bluequartz.net> wrote:
> > Can VTK create a contour plot of "irregular" points? What I mean is that
> I have a bunch of X,Y + intensity points but the X,Y points are NOT on a
> regular grid they are just "Point Data". A collaborator of mine uses IDL to
> produce some plots from this data and I would like to use VTK for my own
> projects.
> >
> > Thanks for any help.
> > ___________________________________________________________
> > Mike Jackson Principal Software Engineer
> > BlueQuartz Software Dayton, Ohio
> > mike.jackson at bluequartz.net www.bluequartz.net
> >
> > _______________________________________________
> > Powered by www.kitware.com
> >
> > Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
> >
> > Please keep messages on-topic and check the VTK FAQ at:
> http://www.vtk.org/Wiki/VTK_FAQ
> >
> > Follow this link to subscribe/unsubscribe:
> > http://www.vtk.org/mailman/listinfo/vtkusers
> >
>
>
>
> ------------------------------
>
> Message: 6
> Date: Thu, 4 Jul 2013 09:59:59 -0400
> From: David E DeMarle <dave.demarle at kitware.com>
> Subject: Re: [vtkusers] Contouring Irregular Points
> To: Michael Jackson <mike.jackson at bluequartz.net>
> Cc: "vtkusers at vtk.org" <vtkusers at vtk.org>
> Message-ID:
> <
> CANjZAi8xqxORavJR+MaXzeNWEBDaTYfEAZgO5u3RLRBSwZAF8Q at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> yes
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
> On Thu, Jul 4, 2013 at 9:56 AM, Michael Jackson <
> mike.jackson at bluequartz.net
> > wrote:
>
> > Is that available in ParaView by any chance?
> > ___________________________________________________________
> > Mike Jackson Principal Software Engineer
> >
> >
> > On Jul 4, 2013, at 9:53 AM, David E DeMarle <dave.demarle at kitware.com>
> > wrote:
> >
> > > pointset->delauney->contour
> > >
> > > David E DeMarle
> > > Kitware, Inc.
> > > R&D Engineer
> > > 21 Corporate Drive
> > > Clifton Park, NY 12065-8662
> > > Phone: 518-881-4909
> > >
> > >
> > > On Thu, Jul 4, 2013 at 8:06 AM, Michael Jackson <
> > mike.jackson at bluequartz.net> wrote:
> > > Can VTK create a contour plot of "irregular" points? What I mean is
> that
> > I have a bunch of X,Y + intensity points but the X,Y points are NOT on a
> > regular grid they are just "Point Data". A collaborator of mine uses IDL
> to
> > produce some plots from this data and I would like to use VTK for my own
> > projects.
> > >
> > > Thanks for any help.
> > > ___________________________________________________________
> > > Mike Jackson Principal Software Engineer
> > > BlueQuartz Software Dayton, Ohio
> > > mike.jackson at bluequartz.net www.bluequartz.net
> > >
> > > _______________________________________________
> > > Powered by www.kitware.com
> > >
> > > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
> > >
> > > Please keep messages on-topic and check the VTK FAQ at:
> > http://www.vtk.org/Wiki/VTK_FAQ
> > >
> > > Follow this link to subscribe/unsubscribe:
> > > http://www.vtk.org/mailman/listinfo/vtkusers
> > >
> >
> > _______________________________________________
> > Powered by www.kitware.com
> >
> > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
> >
> > Please keep messages on-topic and check the VTK FAQ at:
> > http://www.vtk.org/Wiki/VTK_FAQ
> >
> > Follow this link to subscribe/unsubscribe:
> > http://www.vtk.org/mailman/listinfo/vtkusers
> >
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> ------------------------------
>
> Message: 7
> Date: Thu, 4 Jul 2013 07:01:04 -0700 (PDT)
> From: Ruff <albin.nilsson at gmail.com>
> Subject: Re: [vtkusers] How do I render a volume from an
> UnstructuredGrid?
> To: vtkusers at vtk.org
> Message-ID: <1372946464751-5721772.post at n5.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> I just noticed that in creating the unstructuredgrid, i do not count up the
> atomIndex in the writing loop (missing a 'atomIndex = atomIndex + 1').
> Fixing this does not solve my problem though.
>
>
>
> --
> View this message in context:
> http://vtk.1045678.n5.nabble.com/How-do-I-render-a-volume-from-an-UnstructuredGrid-tp5721766p5721772.html
> Sent from the VTK - Users mailing list archive at Nabble.com.
>
>
> ------------------------------
>
> Message: 8
> Date: Thu, 4 Jul 2013 07:14:05 -0700 (PDT)
> From: louiskoo <419655660 at qq.com>
> Subject: [vtkusers] How to use vtkButtonWidget.AddObserver()
> To: vtkusers at vtk.org
> Message-ID: <1372947245702-5721774.post at n5.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> anyone can give me some ideas?
>
>
>
> --
> View this message in context:
> http://vtk.1045678.n5.nabble.com/How-to-use-vtkButtonWidget-AddObserver-tp5721774.html
> Sent from the VTK - Users mailing list archive at Nabble.com.
>
>
> ------------------------------
>
> Message: 9
> Date: Thu, 4 Jul 2013 16:19:07 +0200
> From: mirko heuegger <mheuegger at gmail.com>
> Subject: Re: [vtkusers] vtkButtonSource?vtkRectangularButtonSource
> ?vtkEllipticalButtonSource
> To: louiskoo <419655660 at qq.com>
> Cc: vtkusers <vtkusers at vtk.org>
> Message-ID:
> <CACR=3K4tBiyeSpnC1PfVtf=jCqaNmHEU9cyOWCkxJrw1Hh=
> YqA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello!
>
> If I extend my mentioned example ('Form1.cs') by:
> this.buttonWidget = vtkButtonWidget.New();
> iren.LeftButtonPressEvt += new vtkObject.vtkObjectEventHandler(dummyEvnt);
> this.buttonWidget.SetInteractor(this.RendWinInteractor);
> this.buttonWidget.On();
> and the event will fired, so I guess your snippet is working and the error
> is located elsewhere.
>
>
> regards
>
> mirko
>
>
>
> On Thu, Jul 4, 2013 at 3:28 PM, louiskoo <419655660 at qq.com> wrote:
>
> > Yes,I have taken your suggstion.
> >
> > vtkButtonWidget buttonWidget = vtkButtonWidget.New();
> > vtkRenderWindowInteractor renderInteractor =
> > renderWindowControl1.RenderWindow.GetInteractor();
> > renderInteractor.LeftButtonPressEvt += new
> > vtkObject.vtkObjectEventHandler(renderInteractor_LeftButtonPressEvt);
> > buttonWidget.SetInteractor(renderInteractor);
> > buttonWidget.SetRepresentation(rep);
> > //buttonWidget.LeftButtonPressEvt += new
> > vtkObject.vtkObjectEventHandler(buttonWidget_LeftButtonPressEvt);
> > buttonWidget.On();
> >
> > But the result is that the buttonWidget has no effect when I click the
> > buttonWidget .
> >
> >
> >
> > --
> > View this message in context:
> >
> http://vtk.1045678.n5.nabble.com/vtkButtonSource-vtkRectangularButtonSource-vtkEllipticalButtonSource-tp5721752p5721767.html
> > Sent from the VTK - Users mailing list archive at Nabble.com.
> > _______________________________________________
> > Powered by www.kitware.com
> >
> > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
> >
> > Please keep messages on-topic and check the VTK FAQ at:
> > http://www.vtk.org/Wiki/VTK_FAQ
> >
> > Follow this link to subscribe/unsubscribe:
> > http://www.vtk.org/mailman/listinfo/vtkusers
> >
>
>
>
> --
> Real programmers don't document; if it was
> hard to write, it should be hard to understand.
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> ------------------------------
>
> Message: 10
> Date: Thu, 4 Jul 2013 16:41:04 +0200
> From: Domenico Quaranta <n40.analysis at gmail.com>
> Subject: [vtkusers] Vtk 6.0 dotnet
> To: DeMarle David E <dave.demarle at kitware.com>
> Cc: "vtkusers at vtk.org" <vtkusers at vtk.org>
> Message-ID: <FFFB70FF-F916-4DE7-A0AD-5144A1A24B31 at gmail.com>
> Content-Type: text/plain; charset=us-ascii
>
> Hi Dave
> I read that sometimes ago you posted that the new vtk 6.0 will support
> .net automatically.
> Is this still the case? Can I use vtk directly in vs2012?
>
> Thanks in advance
>
> Nico
>
> ------------------------------
>
> Message: 11
> Date: Thu, 4 Jul 2013 08:02:27 -0700 (PDT)
> From: Ruff <albin.nilsson at gmail.com>
> Subject: [vtkusers] Is it possible to make an image slice of
> unstructured grid?
> To: vtkusers at vtk.org
> Message-ID: <1372950147716-5721777.post at n5.nabble.com>
> Content-Type: text/plain; charset=us-ascii
>
> Im looking at examples and google, but i cannot find anywhere where they
> start with an unstructured grid to use with VTK's image slicing abilities.
> Can it be done, and in that case how would you do it? What conversions are
> needed?
>
> If not, is there some way to use vtkStructuredPoints with the image slicer?
>
>
>
> --
> View this message in context:
> http://vtk.1045678.n5.nabble.com/Is-it-possible-to-make-an-image-slice-of-unstructured-grid-tp5721777.html
> Sent from the VTK - Users mailing list archive at Nabble.com.
>
>
> ------------------------------
>
> _______________________________________________
> vtkusers mailing list
> vtkusers at vtk.org
> http://www.vtk.org/mailman/listinfo/vtkusers
>
>
> End of vtkusers Digest, Vol 111, Issue 9
> ****************************************
>
--
*Best Regards
Rahul Indoria
Mobile No: +49-157-35652212*
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