Re: Segmented Line Tool

Posted by lechristophe on Jan 11, 2007; 4:44pm
URL: http://imagej.273.s1.nabble.com/Segmented-Line-Tool-tp3700625p3700627.html

Just a little add-on ty my question :

How difficult would it be to have the macro replicate the Polygon Tool
macro ? I assume only the end of the macro would be different,
generating a closing line. But how to detect "double click" ?

Christophe



Christophe Leterrier wrote:

> Dear all,
>
> I'm trying to replicate the Segmented Line Tool with a Macro Tool using
> getcursorLoc().
>
> (So the Tool should do the following : once pressed, draw a segmented
> line from the first point clicked, with a new segment each time a
> location is clicked, exactly the behavior of the Segmented Line tool).
>
> The problems are :
>
> - I can't find a condition for a "while" loop that draws a line from the
> last clicked position to the current location until the left button is
> pressed.
>
> - How to detect if the left button pressing inside this "while" loop, to
> end the segment.
>
> - After the button is pressed, how to go on with a new segment.
>
> Why am I trying to do that ? Because I want then to replace the straight
> segment by whatever I want between the two points (for exemple, a
> macro-defined LIveWire tracing between the two points, or a straight
> line if "shift" is pressed...)
>
>
> Would anybody be kind enough to help me on that, or even better give me
> the piece of macro code that replicates the Segmented Line tool, so that
> I just have to replace the makeLine(x1,y1,x2,y2) by whatever I want ?
>
>
>
> Thank you in advance,
>
>
>