http://imagej.273.s1.nabble.com/measuring-fasciular-length-inside-outside-image-posted-previously-now-has-image-tp5017840p5017844.html
It is no problem to enlarge the image canvas. But does it help with your
intersection without drawing them outside the image. Just do the math.
> Good morning Herbie.
>
> Thanks for replying. As you realised this is a cross post mainly
> because I could not "copy and paste" images into the blog. This is a
> direct consequence of my capacities - sorry.
>
> However, If it is not possible in ImageJ to measure outside the image
> as the yellow line indicates, then it is wasting everyone's time to
> look at the next question which is drawing 2 lines that intersect
> outside the image. Angles are easy but I have not been able to
> measure a line that starts inside the image and extends beyond the
> image.
>
> So if it is simply not possible to measure then I need to find
> another way to measure FL in muscles - trigonometry is well described
> as well as using multiple US transducers. But if it is possible then
> I may need to ask the next question which is simply multiple lines
> (done) and determining the intersection point outside the image.
>
> I am limited to using the program as I do not have script skills.
>
> Measuring FL requires tracing the fascicles along its length until it
> intersects with the aponeurosis either deep or superficial depending
> on choice. There are a number of assumptions here but the error is
> minimal and consistent.
>
> Again thanks for your reply. I do enjoy reading the enormous
> material that comes with this community even outside my field.
>
> Regards Simon
>
> Simon Locke Sport and Exercise Medicine Physician 176 Barnard st.,
> Bendigo P: 61354425288 W: www.sportmovementcentre.com Sent from my
> iPad
>
>> On 6 Jan 2017, at 12:52 am, Herbie <
[hidden email]> wrote:
>>
>> Good day Simon Locke,
>>
>> this is a cross-post from the Forum.
>>
>> Evidently you could post some images here but without careful
>> description they appear worthless.
>>
>> If you want help, then please be more specific about the desired
>> task and about the example images.
>>
>> Best
>>
>> Herbie
>>
>> :::::::::::::::::::::::::::::::::::::::::::
>>> Am 05.01.17 um 03:32 schrieb Simon Locke:
>>>
>>>
>>> Hi, Is it possible using ImageJ to measure length of a fascicle
>>> and continue the measurement outside the image?
>>>
>>> Sometimes the fascicles sampled during US scanning extend beyond
>>> the image. It is possible to measure this using trigonometric
>>> principles. I would prefer to be able to measure the FL in real
>>> time from its intercept with either superficial or deep
>>> aponeurosis. I have attached a copy of a relevant muscle.
>>>
>>> I have tried to add a relevant image but cannot do so here. I
>>> would appreciate any thoughts. Thank you for looking and I will
>>> repeat this in email with image
>>>
>>> Regards Simon Locke
>>>
>>>
>>>
>>>
>>>
>>> Dr Simon Locke
>>>
>>> MBBS BMedSc FACSP FFSEM(UK) FRACGP
>>>
>>> Sport and Exercise Medicine Physician
>>>
>>> Bendigo Orthopaedic and Sports Medicine Clinic
>>>
>>> 176 Barnard st., Bendigo, Victoria, 3550
>>>
>>>
>>>
>>> P:613 5442 5288 F:613 54425399
>>> W:sportmovementcentre.com
>>>
>>>
>>>
>>>
>>> -- ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>>>
>>
>> -- ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>
>