Drawing a Graphice Segment

Mike Bonner bonnmike at gmail.com
Mon Jul 27 20:21:19 CEST 2015


I had tried it with opaque pixels at first, and couldn't get it to work for
some reason. I think there was a version where opaque pixels was broke.
Maybe I'm still using a broken lc.

What version are you using?  Just tried it here (7.0.6) and can't get
"opaque pixels" to work for me at all.

On Mon, Jul 27, 2015 at 12:16 PM, BNig <bernd.niggemann at uni-wh.de> wrote:

> Hi Mike, Terence,
>
> a bit of a hack but it works:
>
> give the segments a radial stroke gradient of e.g. black with black at the
> left and black at the right. Set the blendlevel of both black to just under
> full, by selecting one after the other the black little symbol in the
> gradient setting and slider to almost right.
>
> change the intersect part of the code to
>
> ---------------------------
> if intersect(grc "mousepoint",grc i,"opaque pixels") then -- cycle through
> the graphics and check for intersect
> ---------------------------
>
> of course this only works if the fill of the segments is fully opaque,
> which
> it is in Mike's example and now the border of the segments is not part of
> the segment.
>
> Kind regards
> Bernd
>
>
>
> --
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