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Re: once again...can i draw cylinders!

Posted by W. Chan on Oct 25, 2006; 6:09pm
URL: http://imagej.273.s1.nabble.com/once-again-can-i-draw-cylinders-tp3701191p3701198.html

Let's see if this is what you want.  Sounds like you want a rectangle with
a certain line width.  Do Edit | Options | Colors... to select a
foreground color, Line Width... set to whatever you want, make a
rectangular selection and do Edit | Draw.  Deselect (Select None) ...

--
Pang (Wai Pang Chan, [hidden email], PAB A087, 206-685-1519)
The Biology Imaging Facility (http://staff.washington.edu/wpchan/if/)

On Wed, 25 Oct 2006, sridevi polavaram wrote:

>> solid line. I want to see it as a cylinder (i.e) hollow line with width
> but no
>> fill....can i do that?
> like i posted, I don;t want solid lines...like how you said, i could draw
> line with width but i don;t want the fill
>
> On 10/25/06, Christophe Leterrier <[hidden email]> wrote:
>>
>> once again : double click on the "Straight line selections" tool, set up
>> the slider to the number of pixels you want, and you're done.
>>
>> Alternatively, you can get the selection dialog with "Edit/Otpions/Line
>> width..."
>>
>> This works for straight lines, and the resulting ROI is still considered
>> as a line, not a surface, with subtle ways to process things like
>> intensities along the line, I think averaging in the direction
>> perpendicular to the line for each point - correct me if I'm wrong but I
>> seem to remember a discussion about that on the list.
>>
>> sridevi polavaram wrote:
>> > I want to draw lines with width let's say 4. But i don't want it like a
>> > solid line. I want to see it as a cylinder (i.e) line with width but no
>> > fill....can i do that?
>> > -Thanks
>> > Sri
>> >
>>
>