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Re: Help with macro

Posted by AAM71 on Nov 30, 2018; 2:41pm
URL: http://imagej.273.s1.nabble.com/Help-with-macro-tp5021508p5021512.html

I need the stack still to be full stack, so it will be possible to go
through all the slices. This problem is just a subset of bigger task -
to have 3 sets of parallel lines (sets oriented ortogonally to each
other in 3D: X,Y,Z) in a stack. So, the stack should be preserved.

Sincerely,
Alex


On 30/11/2018 14:31, Kenton Arkill wrote:

> Ah... sorry just saw the projection.
> Resizing z to one slice (not that long computaionally) and then drawing
> your lines?
> Kenton
>
> On Fri, 30 Nov 2018, 14:25 Aleksandr Mironov <
> [hidden email] wrote:
>
>> Thanks Kenton,
>>
>> But wouldn't it be computationally expensive if you need to reorient the
>> whole stack for that purpose? Another consideration is that some
>> features needs preferable orientation of cutting to be recognizable.
>>
>> Sincerely,
>>
>> Alex
>>
>>
>> On 30/11/2018 14:14, Kenton Arkill wrote:
>>> Hi
>>> The way I would do it is by rotation the stack by the angle of the
>> profile
>>> line... so the profile is now along the x axis.
>>> I'd then rotate (transformJ) 90 around the x axis.
>>> Best
>>> Kenton
>>>
>>> On Fri, 30 Nov 2018, 14:02 Aleksandr Mironov <
>>> [hidden email] wrote:
>>>
>>>> Dear Listers,
>>>>
>>>> I just wonder will it be possible by means of ImageJ macro language do
>>>> the following:
>>>>
>>>> in the stack of images to create arbitrary (random angles) 2 parallel
>>>> lines that go through several slices. I would like projection of these
>>>> lines to be drawn on slices. In general it should not be too hard but I
>>>> cannot get my head around how to calculate these projections if you have
>>>> random (but known) angles in all 3 axes (X,Y,Z).
>>>>
>>>> Sincerely,
>>>>
>>>> Alex
>>>>
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>>>> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>>>>
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