http://imagej.273.s1.nabble.com/measure-length-of-many-parallel-lines-tp5002827p5002841.html
don't unpack anything, just save GHT_.jar into your plugins folder (that's also what is recommended ion the web page of the plugin)
Note that it's not self-explanatory and you have to follow the instructions. If you don't, you will get error messages that are not necessarily saying what is wrong.
> Thanks for the tip!
> I tried downloading it, unpacked to the plugin/analyze folder, but when
> compiling it always gives me a "plugin or class not found". I've had a bit
> of a look around the file, but can't see what it's complaining about. Does
> it require another plugin/macro? there seems to be one called "GHT_", but I
> can't see any reference to it in the code.
> Cheers again!
> R
>
>
> On 27 April 2013 15:43, David Webster [via ImageJ] <
>
[hidden email]> wrote:
>
>> Try using a linear Hough Transform to detect the lines. There is one in
>> ImageJ's plugin library.
>>
>>
>> On Sat, Apr 27, 2013 at 1:18 AM, sombreroduck <[hidden email]<
http://user/SendEmail.jtp?type=node&node=5002829&i=0>>wrote:
>>
>>
>>> Hi,
>>> We have images with many more-or-less parallel lines. We can measure the
>>> spacing with FFT, but is there a way to measure all their lengths?
>> (and/or
>>> the distribution of) Either if there is a function that could do this,
>> or
>>> if
>>> I could write a plugin/macro?
>>>
>>> We're looking for a software solution to extract the numbers since
>>> measuring
>>> them by hand, one at a time, could be subjective (because we know what
>> the
>>> theory says), plus there will be many hundreds of them...
>>>
>>> I've appended an example image, just to give you an idea of what I'm
>>> talking
>>> about. Others might have several, smaller areas with similar lines (but
>> if
>>> need be we could crop them...)
>>>
>>> Cheers!
>>> R
>>>
>>> <
http://imagej.1557.x6.nabble.com/file/n5002827/isoPP.png>
>>>
>>>
>>>
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>>>
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http://imagej.nih.gov/ij/list.html>>>
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