Re: [artworks] Intersect problem

  • From: Richard Ashbery <riscos@xxxxxxxxxxxxx>
  • To: artworks@xxxxxxxxxxxxx
  • Date: Tue, 03 Jun 2008 20:06:32 +0100

In article <1b32bda94f.tigger@xxxxxxxxxxxxxxxxxxxxxxxxxx>, Nick
Roberts <tigger@xxxxxxxxxxxxxxxxxxxxx> wrote:

> I've got a problem with the "Intersect" option, and it would be
> nice to know what I'm doing wrong (or if it is an Artworks bug).

> I've created a cicle using the ellipse tool, and then used "Make
> Shapes". I've then created 8 lines that bisect the circle, to show
> 16 "cheese slices" of the same size, and grouped the lines and the
> circle. I've then imposed a radial fill (although this doesn't seem
> to contribute to the problem - flat fill does the same).

> I then create a rectangle that that is slightly wider than the
> circle, but about 3/4 the height. This is also converted to a
> shape.

> I've then used "Put to back" on the rectangle, and moved the circle
> so all of the bottom 3/4 of the circle is over the rectangle.

> I've then selected the rectangle and the circle and used "Intersect
> all".

> At this point I get an hourglass, that stays there until I run out
> of patience and hit alt-break to kill Artworks.

> ArtWorks 2.75, RISC OS 5.13

Can confirm this occurs with AW 2.82.

Intersecting of a circle and rectangle produce intersect as expected but
as soon as you group the radiating lines and the circle and perform the
intersect again with the rectangle the computer appears to go into a
loop (animated hourglass).

Perhaps Martin will explain but I feel sure that the Intersect tool can
only work with continuous shapes. Unfortunately the radiating lines are
not in this catagory so the Intersect module is unable to recognise the

You need this to be sorted - I can't as yet think of an easy solution
but I'm sure others will.



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