Yes! That was what I was trying to describe.
Thanks for the explanation.
In my processor, each time my image is computed the UpdateOutput function
is called like this
UpdateOutput(count,imageSuma , "ColapsedImage", true, 1, NULL,
metaData);
where previously to metaData I added the Modality tag.
In order to adjust the level window automatically, what must I do to the
metadata information?
Is it necessary to calculate the maximum and minimum of the image and
update the metada information?
Thank you very much
Aida
2012/8/28 Xavi Planes <[email protected]>
> Hi Aida,
>
> I think that when you say "color scale", you are referring to the
> brightness and contrast bar (level window) that is located at the
> right side of the main view. Please correct me if I'm wrong.
>
> The level window has several configuration parameters. When you
> write an image to disk, the parameters are written in the ".GMI" file.
> These are example values for the level window configuration
> parameters:
> <tag name="levelwindow" type="class
> blSmartPointer<class blTagMap>">Unsupported value type
> <tagmap size="8">
> <tag name="center" type="double">3278.8384</tag>
> <tag name="defaultRangeMax"
> type="double">11479.6504</tag>
> <tag name="defaultRangeMin"
> type="double">-4981.0581</tag>
> <tag name="lowerWindowBound"
> type="double">-4851.2427</tag>
> <tag name="rangeMax" type="double">11479.6504</tag>
> <tag name="rangeMin" type="double">-4981.0581</tag>
> <tag name="upperWindowBound"
> type="double">11408.9199</tag>
> <tag name="width" type="double">16260.1621</tag>
> </tagmap>
> </tag>
>
> You can easily open the GMI file with a text editor, change the
> any parameter (for example you can change rangeMax to the value
> 100000) and load the image again. You will see that the maximum value
> of the level window is set to 100000.
>
> You can also use the metadata of a DataEntity to configure the
> level window and call the function UpdateOutput(), passing the
> metadata information. This information will be used for the rendering
> of the data, so you can adjust the level window automatically based on
> the requirements of your processor.
>
> Best regards,
> Xavi
>
>
> 2012/8/27 Aida Ninyerola <[email protected]>:
> > Hi,
> >
> > In my plugin there is one step which computes the image that results from
> > the addition of some slices from the original image.
> > There is also one option the enables the user to change a parameter that
> > makes this image change, as the slices being added change.
> >
> > My question is about the color scale that is being used. At the begining
> > there is no problem with that, but when someone changes the slices that
> are
> > being added, and the value of the addition is higher thant the original
> one,
> > the values of the color scale don't enlarge and appears a "white area" in
> > the image.
> >
> > Is there any way to update the colors that are being used, each time the
> > addition image is calculated?
> >
> > I hope I've explain myself.
> >
> > Thanks a lot
> > Aida
> >
> >
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