Re: Windowing an Image without cloning it
Posted by
Wayne Rasband on
Feb 20, 2006; 7:10pm
URL: http://imagej.273.s1.nabble.com/Windowing-an-Image-without-cloning-it-tp3703658p3703659.html
> Does anybody knows a way to "window" an ImagePlus, without
> creating a new Image every time?
> By now I am do this like that:
>
> ------------------------------------------------------------------
> Imageplus image;
> ImageProcessor imageProcessor;
>
> this.imageProcessor = image.getProcessor();
> this.imageProcessor.setMinAndMax(windowMin, windowMax);
> this.image = new ImagePlus("ResultImage", this.imageProcessor);
> -------------------------------------------------------------------
>
> This way is very CPU and Memory consuming, as I have to
> copy the image every time.
The Brightness/Contrast and Window/Level tools in ImageJ "window"
this way:
ImagePlus imp;
ImageProcessor ip;
ip = imp.getProcessor();
ip.setMinAndMax(windowMin, windowMax);
imp.updateAndDraw();
The souce code for these tools is at:
http://rsb.info.nih.gov/ij/developer/source/ij/plugin/frame/
ContrastAdjuster.java.html
-wayne