http://imagej.273.s1.nabble.com/continue-in-a-for-loop-tp5014592p5014596.html
I put the IF statement in, fixed the problem. Thanks!
>> On Oct 9, 2015, at 2:32 PM, Angeline Lim <
[hidden email]> wrote:
>>
>> Hi all,
>>
>> I wrote a for-loop to run particle analysis in a directory of images.
>> Some of these images do not have any "particles" to count and i get a message
>> " the selection is empty" and then it exits the loop.
>>
>> How do i have the loop continue here and process the rest of the
>> images instead of exiting?
>
> Use the ‘continue’ statement to skip the rest of the loop if there are no particles. Here is an example:
>
> dir = getDirectory("Choose Source Directory ");
> list = getFileList(dir);
> for (i=0; i<list.length; i++) {
> open(dir+list[i]);
> setAutoThreshold("Default");
> run("Analyze Particles...", "display clear");
> if (nResults==0) {
> print("skipping image "+i);
> continue;
> }
> print("image="+i+" particles="+nResults);
> close();
> }
>
> This macro outputs
>
> image=0 particles=64
> image=1 particles=61
> skipping image 2
> image=3 particles=54
> image=4 particles=64
>
> when I run it on a directory containing five images, one of which is blank.
>
> -wayne
>
>
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