http://imagej.273.s1.nabble.com/zooming-on-a-region-tp3697839p3697844.html
Thanks so much for your help. I followed your instruction, but got an error
as following. could you please help me more.
> That wasn't a macro, it was a plugin.
>
> You need to save it in a file called zoomer_.java, and put it in your
> plugins folder. You can then use the Plugins->Compile and Run...
>
> --David
> ----------------------------------------
> David Hovis
> Senior Research Associate
> Department of Materials Science
> Case Western Reserve University
>
[hidden email]
>
> On Dec 6, 2007, at 10:44 AM, Younes Leysi Derilou wrote:
>
> > Hello Dear Audrey,
> >
> > Thanks so much for your nice attention to my email and sending the
> > macro. I
> > saved the text as a macro in the IJ macros folder, opened an image
> > and then
> > run the macro. it shows an error that ''undefined variable in line 1
> > <import> ij.*". this comes up either I chose a region or not before
> > running
> > macro. sorry i am not good in macro writing. If I put "//" in the
> > first
> > line, the same error comes up for the next lines. I would appreciate
> > it, if
> > you could let me have a macro that I can run it easily.
> >
> > Thanks so much and best regards,
> > Younes
> >
> > On Dec 5, 2007 1:56 PM, audrey karperien <
[hidden email]> wrote:
> >
> >> Hi. Wayne recently helped me with the below plugin, which I used
> >> to make
> >> some animations for a presentation. It zooms in until the selected
> >> area is
> >> the full screen size then you save the stack of images as an
> >> animation in
> >> ImageJ. I have been saving the stack as avi or animated gif files,
> >> but in
> >> the code here I slipped in a line that will also save it as an avi
> >> into the
> >> ij path, which you can uncomment // IJ.saveAs("AVI... ",
> >> "myfileZoom.avi")
> >> and change to save where you want. For animated gifs, I use the
> >> gif stack
> >> writer plugin. This code zooms from the onscreen image down to the
> >> selection size, using a gradient set differently each time, which
> >> is what I
> >> needed, but Wayne wrote some code that zooms starting with the
> >> selection and
> >> the way he did it is smoother and faster, I just haven't fully
> >> implemented
> >> it in this yet; you can find it in the list a few weeks back or
> >> email me and
> >> I will find it for you. Hope this helps.
> >>
> >> import ij.*;
> >> import ij.gui.Roi;
> >> import ij.gui.StackWindow;
> >> import ij.plugin.*;
> >> import ij.process.ImageProcessor;
> >>
> >> public class zoomer_ implements PlugIn {
> >>
> >> public int height = 100;
> >> public int width = 100;
> >> public int roiheight = 100;
> >> public int roiwidth = 100;
> >>
> >> String NAME;
> >> public void run(String arg)
> >> {
> >> ImagePlus img=IJ.getImage();
> >> height=img.getHeight();
> >> width=img.getWidth();
> >> Roi roi = img.getRoi();
> >> if (roi==null)
> >> {
> >> IJ.showMessage("Please select an roi then try again");
> >> return;
> >> }
> >>
> >> String NAME=img.getTitle();
> >> double scale=80;
> >> scale=IJ.getNumber("Rate of Scaling (%)?", (double)scale);
> >> roiwidth=(int)roi.getBounds().getWidth();
> >> roiheight=(int)roi.getBounds().getHeight();
> >> int w =(int)( width*(scale/100f));
> >> int h = (int)( height*(scale/100f));
> >>
> >> int cx = (int)roi.getBounds().getCenterX();
> >> int cy = (int)roi.getBounds().getCenterY();
> >> //scale it each time by the same amount
> >> //the user determines the amount by
> >> //inputting a number for the rate of scaling
> >> //e.g., if the rate of scaling is 50,
> >> //then the roi is always 50% of the current size
> >>
> >> ImageStack s= new ImageStack(width, height);
> >> ImageProcessor ip = img.getProcessor();
> >> ip.snapshot();
> >> for (int i = w, j = h;
> >> (i > roiwidth)&&(j>roiheight);
> >> i=(int)( i*(scale/100f)), j=(int)( j*(scale/100f)))
> >> {
> >> IJ.makeRectangle
> >> (cx-i/2,cy-j/2, i, j);
> >> IJ.run("Size...",
> >> "width="+width+
> >> " height="+height+
> >> " constrain interpolate");
> >> String name=NAME+i;
> >> if(WindowManager.getCurrentImage
> >> ().getHeight()!=height||
> >> WindowManager.getCurrentImage
> >> ().getWidth()!=width)
> >> IJ.run("Canvas Size...", "width="+width+
> >> " height="+height+" position=Center");
> >> s.addSlice(name, img.getProcessor().duplicate());
> >> // WindowManager.getCurrentImage
> >> ().getProcessor());
> >> IJ.run("Revert");
> >> }
> >> IJ.run("Revert");
> >> img.setRoi(roi);
> >> StackWindow sw=new StackWindow(new ImagePlus(NAME+"Zoom",
> >> s));
> >> sw.setVisible(true);
> >> // IJ.saveAs("AVI... ", "myfileZoom.avi");
> >>
> >> }
> >>
> >>
> >> }
> >>
> >>
> >>
> >> ----- Original Message ----
> >> From: Younes Leysi Derilou <
[hidden email]>
> >> To:
[hidden email]
> >> Sent: Wednesday, December 5, 2007 7:11:28 AM
> >> Subject: zooming on a region
> >>
> >> Hello ImageJ Users,
> >>
> >> I am wondering if there is a pluging to do zooming in/out in an image
> >> or
> >> image stack and save this action as a movie.
> >> any help is highly appreciated in advance.
> >>
> >> Sincerely,
> >> Younes
> >>
>