Inkscape

Elliptical arcs with negative radii are not drawn

Bug #1384483 reported by Dylan Thurston
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Inkscape
Confirmed
Undecided
Unassigned

Bug Description

On certain simple figures, with an SVG g element containing many paths, only the first 10 are drawn. See attached for a sample.

Tags: svg
Revision history for this message
Dylan Thurston (dpt-0) wrote :
Revision history for this message
su_v (suv-lp) wrote :

AFAICT not related to the number of objects inside a group but to Inkscape's interpretation of the path data ('A' in particular), see attached version of the sample file.

Inkscape doesn't visible render:
    <path d="M 84.6638,42.9675 A -86.8990,-86.8990 0 0 0 91.1528,64.7048"/>
but does render this ok:
    <path d="M 84.6638,42.9675 A 86.8990,86.8990 0 0 0 91.1528,64.7048"/>

tags: added: svg
Revision history for this message
su_v (suv-lp) wrote :

Reproduced with Inkscape 0.47, 0.48.5, 0.91pre2 r13628, trunk r13632, experimental r13625 on OS X 10.7.5.

Revision history for this message
su_v (suv-lp) wrote :

Report needs review by SVG expert (the SVG file renders as expected with Firefox 33, Squiggle (Batik 1.7), librsvg 2.40.4, but not in Inkscape).

Changed in inkscape:
status: New → Confirmed
Revision history for this message
Dylan Thurston (dpt-0) wrote :

Thanks for the debugging! Per the SVG specification http://www.w3.org/TR/SVG/paths.html , elliptical arcs with negative radii are actually not valid. But everyone else seems to render them anyway.

summary: - Fails to draw more than 10 objects in a group
+ Elliptical arcs with negative radii are not drawn
Revision history for this message
su_v (suv-lp) wrote :

Same issue reported earlier in
* Bug #1121395 “Simple arc + line not displayed correctly”
  https://bugs.launchpad.net/inkscape/+bug/1121395

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