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Re: Different histograms in the macro and Java

Posted by Avital Steinberg on Sep 03, 2015; 12:55pm
URL: http://imagej.273.s1.nabble.com/Different-histograms-in-the-macro-and-Java-tp5014228p5014232.html

Thanks a lot,

Avital

On Thu, Sep 3, 2015 at 2:42 PM, Davíð Þór Bragason <[hidden email]>
wrote:

> Hi Avital,
>
> the int mOption comes from the Measurements interface. The constants are
> defined in the source below. You can add them to get what you want, e.g. if
> you call ImagePlus#getStatistics() without arguments it actually calls
> getStatistics( AREA+MEAN+MODE+MIN_MAX).
>
> package ij.measure;
>
> public interface Measurements {
>
> public static final int AREA=1,MEAN=2,STD_DEV=4,MODE=8,MIN_MAX=16,
> CENTROID=32,CENTER_OF_MASS=64,PERIMETER=128, LIMIT=256, RECT=512,
> LABELS=1024,ELLIPSE=2048,INVERT_Y=4096,CIRCULARITY=8192,
> SHAPE_DESCRIPTORS=8192,FERET=16384,INTEGRATED_DENSITY=0x8000,
> MEDIAN=0x10000, SKEWNESS=0x20000, KURTOSIS=0x40000, AREA_FRACTION=0x80000,
> SLICE=0x100000, STACK_POSITION=0x100000, SCIENTIFIC_NOTATION=0x200000,
> ADD_TO_OVERLAY=0x400000, NaN_EMPTY_CELLS=0x800000;
> /** Maximum number of calibration standard (20) */
> public static final int MAX_STANDARDS = 20;
>
> }
>
>
> On Thu, Sep 3, 2015 at 11:14 AM, Avital Steinberg <
> [hidden email]
> > wrote:
>
> > Hi David,
> > I prefer the second suggestion you gave me, since the HistogramWindow
> class
> > has constructors that all display the histogram. (I don't want it to be
> > displayed)
> >
> > What does int mOptions mean? This is probably exactly the solution I'm
> > looking for.
> >
> > Thanks,
> > Avital
> >
> >
> >
> > On Thu, Sep 3, 2015 at 1:22 PM, Davíð Þór Bragason <[hidden email]>
> > wrote:
> >
> > > Hi Avital,
> > >
> > > you could look at ij.gui.HistogramWindow, a class you can use in a
> plugin
> > > or script and has different constructuctors taking bin, min, max
> values,
> > > etc. Some of them require you to convert to 32 bit image however.
> > >
> > > Or, you could try ImagePlus#getStatistics(int mOptions, int nBins,
> double
> > > histMin, double histMax) and then get the histogram from
> > > ij.process.ImageStatistics#getHistogram();
> > >
> > > Regards,
> > > David
> > >
> > >
> > > On Thu, Sep 3, 2015 at 9:34 AM, Avital Steinberg <
> > > [hidden email]>
> > > wrote:
> > >
> > > > Hi,
> > > > I would like to get the same histogram as the one obtained in
> Analyze,
> > > > histogram - using Javascript, and get the values  obtained when
> > clicking
> > > on
> > > > "List" in the histogram window in ImageJ. (without displaying the
> > > > histogram)
> > > >
> > > > The problem is that the command recorder records nothing when I click
> > on
> > > > list, so it's not clear to me how to get the values after using the
> > > > command:
> > > >
> > > > IJ.run(imp, "Histogram", "");
> > > >
> > > > Also, if I use the getHistogram function from the ImageProcessor or
> > > > ImagePlus class in the Java API, it gives a different histogram. The
> > bin
> > > > width is 1, instead of (xmax - xmin)/nBins bin width. I would like to
> > get
> > > > the same histogram as the one in Analyze, histogram.
> > > >
> > > > Is there an easy way to do this?
> > > >
> > > > Thanks,
> > > > Avital
> > > >
> > > > --
> > > > ImageJ mailing list: http://imagej.nih.gov/ij/list.html
> > > >
> > >
> > > --
> > > ImageJ mailing list: http://imagej.nih.gov/ij/list.html
> > >
> >
> > --
> > ImageJ mailing list: http://imagej.nih.gov/ij/list.html
> >
>
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