On Mon, 30 May 2011 10:49:54 +0100
Peter Clifton pc...@cam.ac.uk wrote:
On Mon, 2011-05-30 at 09:37 +0200, Gabriel Paubert wrote:
Think i know now. Polygons can't have edges that cross other
edges.
You got it.. PCB doesn't allow self intersecting polygons, so I
removed
On Sun, May 29, 2011 at 02:30:08PM +0100, Peter Clifton wrote:
On Sun, 2011-05-29 at 11:37 +1000, Russell Shaw wrote:
Hi,
In _borast_bentley_ottmann_tessellate_bo_edges() which is from
_cairo_bentley_ottmann_tessellate_bo_edges(), i see you deleted
case
On Mon, 2011-05-30 at 09:37 +0200, Gabriel Paubert wrote:
Think i know now. Polygons can't have edges that cross other edges.
You got it.. PCB doesn't allow self intersecting polygons, so I removed
support for rendering them in an attempt to manage the complexity (and
hopefully
On Sun, 2011-05-29 at 11:37 +1000, Russell Shaw wrote:
Hi,
In _borast_bentley_ottmann_tessellate_bo_edges() which is from
_cairo_bentley_ottmann_tessellate_bo_edges(), i see you deleted
case CAIRO_BO_EVENT_TYPE_INTERSECTION:
What effect does this have on the types of polygons that
On 29/05/11 23:30, Peter Clifton wrote:
On Sun, 2011-05-29 at 11:37 +1000, Russell Shaw wrote:
Hi,
In _borast_bentley_ottmann_tessellate_bo_edges() which is from
_cairo_bentley_ottmann_tessellate_bo_edges(), i see you deleted
case CAIRO_BO_EVENT_TYPE_INTERSECTION:
What effect does this have
On 16/05/11 22:59, Russell Shaw wrote:
On 16/05/11 19:26, Peter Clifton wrote:
On Mon, 2011-05-16 at 15:54 +1000, Russell Shaw wrote:
From pcjc2/src/borast/borast-bentley-ottmann.c, i used some functions
to make a small test program to see how bo_contour_to_traps() works.
The code is mostly
On 29/05/11 00:46, Russell Shaw wrote:
On 16/05/11 22:59, Russell Shaw wrote:
On 16/05/11 19:26, Peter Clifton wrote:
On Mon, 2011-05-16 at 15:54 +1000, Russell Shaw wrote:
From pcjc2/src/borast/borast-bentley-ottmann.c, i used some functions
to make a small test program to see how
On 11/09/10 07:59, Peter Clifton wrote:
On Fri, 2010-09-10 at 14:16 -0400, Windell H. Oskay wrote:
On Fri, Sep 10, 2010 at 01:31:48AM +0100, Peter Clifton wrote:
PS.. have you tried any of the GL stuff?
http://www2.eng.cam.ac.uk/~pcjc2/geda/trans_poly.png
On Mon, 2011-05-16 at 15:54 +1000, Russell Shaw wrote:
From pcjc2/src/borast/borast-bentley-ottmann.c, i used some functions
to make a small test program to see how bo_contour_to_traps() works.
The code is mostly stolen from cairo, then stripped down to a bare
minumum (e.g. doesn't deal with
On 16/05/11 19:26, Peter Clifton wrote:
On Mon, 2011-05-16 at 15:54 +1000, Russell Shaw wrote:
From pcjc2/src/borast/borast-bentley-ottmann.c, i used some functions
to make a small test program to see how bo_contour_to_traps() works.
The code is mostly stolen from cairo, then stripped
On 16/05/11 19:26, Peter Clifton wrote:
On Mon, 2011-05-16 at 15:54 +1000, Russell Shaw wrote:
From pcjc2/src/borast/borast-bentley-ottmann.c, i used some functions
to make a small test program to see how bo_contour_to_traps() works.
The code is mostly stolen from cairo, then stripped
On Mon, 2011-05-16 at 22:59 +1000, Russell Shaw wrote:
On 16/05/11 19:26, Peter Clifton wrote:
On Mon, 2011-05-16 at 15:54 +1000, Russell Shaw wrote:
From pcjc2/src/borast/borast-bentley-ottmann.c, i used some functions
to make a small test program to see how bo_contour_to_traps()
On Mon, 2011-05-16 at 21:38 +1000, Russell Shaw wrote:
Hi,
I've looked in cairo before but never much got the hang of it
in detail.
Its complex code implementing some hard to understand algorithms!
One thing i'm eternally conflicted with is relying on video-card
hardware that is closed
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