http://imagej.273.s1.nabble.com/saving-an-ROI-to-a-file-tp5006367p5006374.html
> On Feb 1, 2014, at 10:51 PM, Aryeh Weiss wrote:
>
>> On 2/2/14, 2:17 AM, Rasband, Wayne (NIH/NIMH) [E] wrote:
>>> On Feb 1, 2014, at 3:46 PM, Aryeh Weiss wrote:
>>>
>>>> I am writing a Python script in which I want to save an ROI.
>>>> I thought that RoiWriter ought to do this, with the following method:
>>>>
>>>> |*saveRoi <
http://imagej.nih.gov/ij/developer/api/ij/plugin/filter/RoiWriter.html#saveRoi%28ij.ImagePlus%29>*(ImagePlus <
http://imagej.nih.gov/ij/developer/api/ij/ImagePlus.html> imp)|
>>>>
>>>> However, I do not see how to specify the path. RoiReader takes the path as an argument, but not RoiWriter.
>>>> So, tried saving with the Roi manager, while recording the command. However, the save command did nto record anything. Open form a file recorded, as did everything else I tried, but not Save...
>>>>
>>>> So I am apparently missing something really obvious, but I must ask -- how does one save an Roi to a file, similar to what the Roi manager does?
>>> Try using the command recorder (Plugins>Macros>Record). This is what I get when I record the File>Save As>Selection command:
>>>
>>> IJ.saveAs(imp, "Selection", path);
>>>
>>> -wayne
>>>
>>> --
>>> ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>>>
>> Thank you for your quick reply.
>> I tried using the command recorder while saving the ROI with the ROI Manager, using
>> More>Save... , but this did nto record anything.
>>
>> 1. Why did that not work?
> It did not work because of a bug that is fixed in the latest ImageJ daily build (1.48r1). Saving a single ROI with the ROI Manager now records
>
> imp = IJ.getImage();
> IJ.saveAs(imp, "Selection", path);
>
> when the recorder is in "JavaScript", "BeanShell" or "Java" mode.
>
> 2. Why does the saveRoi method not accept a path to save and ROI the way that readRoi does?
>> Is this just the way it developed, or is there something about ROIs that makes it unreasonable to do that?
> The daily build adds two static methods for saving and opening ROIs:
>
> RoiEncoder.save(roi, path)
> RoiDecoder.open(path)