[vtkusers] Re versing Color

Fri Jan 22 11:53:00 EST 2010

Have a look David, let me know if I need to change any style to comply with
the wiki.

Another thing you can add these points in how to contribute ,otherwise
python users may struggle adding examples.

1) Create a login/user for the wiki (maybe you have already done this?)
*you may insert "click Learning VTK then Examples"*
2) Click [edit] in the section you want to add something to
3) Create a new page and a link to the new page by adding:
* [[VTK/Examples/NewPageName | What you want to display as the link]]
4) when you save these changes, there will now be a red link. When you click
this link, it immediately brings you to the "edit" page of the new page
5) add the content and save it
6) the link automatically turns blue (so it now goes to the "page" page
instead of the "edit" page)

Thanks

Jothy

On Fri, Jan 22, 2010 at 4:43 PM, David Doria
<daviddoria+vtk at gmail.com<daviddoria%2Bvtk at gmail.com>
> wrote:

> On Fri, Jan 22, 2010 at 11:39 AM, KS Jothybasu <jothybasu at gmail.com>wrote:
>
>> Wierd problem with page editor!
>>
>> David, I have managed to add the content but the problem is, all '#' are
>> converted to '1' and the formatting has also changed
>> .
>>
>> See the screenshot
>>
>> I copied the code from python editor, I even tried from MSWord
>>
>> Jothy
>>
>>
>> On Fri, Jan 22, 2010 at 4:00 PM, David Doria <daviddoria+vtk at gmail.com<daviddoria%2Bvtk at gmail.com>
>> > wrote:
>>
>>>
>>> On Fri, Jan 22, 2010 at 10:53 AM, KS Jothybasu <jothybasu at gmail.com>wrote:
>>>
>>>> Sure by the way I had converter 2 of the c++ examples to python how to
>>>> add that to wiki?
>>>>
>>>> Slowly ,down the line I will convert all the c++ to python!
>>>>
>>>> Thanks
>>>>
>>>> Jothy
>>>>
>>>>
>>>> On Fri, Jan 22, 2010 at 3:46 PM, David Doria <daviddoria+vtk at gmail.com<daviddoria%2Bvtk at gmail.com>
>>>> > wrote:
>>>>
>>>>> On Fri, Jan 22, 2010 at 10:42 AM, circass <circass at gmail.com> wrote:
>>>>>
>>>>>>
>>>>>> I Gonna try to implement that to my code.
>>>>>> Thanx,
>>>>>> Circass
>>>>>>
>>>>>>
>>>>>> KS Jothybasu wrote:
>>>>>> >
>>>>>> > In vtkLookupTable. Are you using vtkLookupTable if not here is a
>>>>>> part of
>>>>>> > the
>>>>>> > code which might help you.
>>>>>> >
>>>>>> > * # Create a greyscale lookup table
>>>>>> >     table = vtk.vtkLookupTable()
>>>>>> >     table.SetRange(grayscale) # image intensity range
>>>>>> >     table.SetValueRange(1,0) # from black to white
>>>>>> >     table.SetSaturationRange(0.0, 0.0) # no color saturation
>>>>>> >     table.SetRampToSCurve()
>>>>>> >     table.SetNumberOfTableValues(402)
>>>>>> >     table.Build()
>>>>>> >
>>>>>> >     # Map the image through the lookup table
>>>>>> >     color = vtk.vtkImageMapToColors()
>>>>>> >     color.SetLookupTable(table)
>>>>>> >     color.SetInputConnection(reslice.GetOutputPort())
>>>>>> >
>>>>>> >     # Display the image
>>>>>> >     actor = vtk.vtkImageActor()
>>>>>> >     actor.SetInput(color.GetOutput())
>>>>>> > *
>>>>>> > Jothy
>>>>>> >
>>>>>> > On Fri, Jan 22, 2010 at 3:36 PM, circass <circass at gmail.com> wrote:
>>>>>> >
>>>>>> >>
>>>>>> >> Where should i use that function ?
>>>>>> >> is there a specific filter or what ?
>>>>>> >>
>>>>>> >> Thanx
>>>>>> >> Circass
>>>>>> >>
>>>>>> >>
>>>>>> >> KS Jothybasu wrote:
>>>>>> >> >
>>>>>> >> > Could you please try SetValueRange(1,0).
>>>>>> >> >
>>>>>> >> > Regards
>>>>>> >> >
>>>>>> >> > Jothy
>>>>>> >> >
>>>>>> >> > On Fri, Jan 22, 2010 at 2:06 PM, circass <circass at gmail.com>
>>>>>> wrote:
>>>>>> >> >
>>>>>> >> >>
>>>>>> >> >> I think Alessandro understood me wrong, so i m trying to explain
>>>>>> what
>>>>>> >> i
>>>>>> >> >> want
>>>>>> >> >> more clearly.
>>>>>> >> >>
>>>>>> >> >> I have dicom files that i read with itk and vtk.
>>>>>> >> >>
>>>>>> >> >> my images are already greyscale, i want to change the blacks
>>>>>> with
>>>>>> >> whites
>>>>>> >> >> and
>>>>>> >> >> vice versa.
>>>>>> >> >>
>>>>>> >> >> Thanx.
>>>>>> >> >> Circass
>>>>>> >> >> --
>>>>>> >> >> View this message in context:
>>>>>> >> >> http://old.nabble.com/Reversing-Color-tp27272638p27273652.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
>>>>>> >> >>
>>>>>> >> >
>>>>>> >> > _______________________________________________
>>>>>> >> > 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
>>>>>> >> >
>>>>>> >> >
>>>>>> >>
>>>>>> >> --
>>>>>> >> View this message in context:
>>>>>> >> http://old.nabble.com/Reversing-Color-tp27272638p27275052.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
>>>>>> >>
>>>>>> >
>>>>>> > _______________________________________________
>>>>>> > 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:
>>>>>>
>>>>>>
>>>>> Jothy,
>>>>>
>>>>> I don't see an example about vtkImageMapToColors on the wiki. Care to
>>>>> add one :) ?
>>>>>
>>>>> Thanks,
>>>>>
>>>>> David
>>>>>
>>>>>
>>>>>
>>> Great, thanks! You'll need to do the following:
>>>
>>> 1) Create a login/user for the wiki (maybe you have already done this?)
>>> 2) Click [edit] in the section you want to add something to
>>> 3) Create a new page and a link to the new page by adding:
>>> * [[VTK/Examples/NewPageName | What you want to display as the link]]
>>> 4) when you save these changes, there will now be a red link. When you
>>> click this link, it immediately brings you to the "edit" page of the new
>>> page
>>> 5) add the content and save it
>>> 6) the link automatically turns blue (so it now goes to the "page" page
>>> instead of the "edit" page)
>>>
>>> Let me know if you have any problems - if you do, lets modify this set of
>>> instructions so it is followable by a new wiki contributor and I'll add it
>>> as a "how to contribute" section. Also, let me know when you do the first
>>> one and I'll check it out for style, etc.
>>>
>>> Thanks,
>>>
>>> David
>>>
>>>
>>>
> You need to put code inside of these tags:
>
> <source lang="python">
> // your code here
> </source>
>
> Also, you can use this to make a title:
> ==vtkCutter.py==
>
> Another thing - the "show preview" button at the bottom next to "save page"
> is a good idea - it will let you play around with things and see what they
> look like without actually uploading them to the wiki. When you are
> satisfied, you can then click "save page".
>
> Thanks,
>
> David
>
> _______________________________________________
> 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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