Closed Spiro Path Becomes Opened, Adds Extra Node

[ToddB]

I am using Inkscape 0.48.1 on Windows 7 (64-bit).

When a spiro spline is applied to a closed path the resulting path becomes open and an extra node is added (at the point where the path is open).

In the attached svg file there are 3 examples of this (extra node/path opening is marked with red arrows):

Example #1) I created a rectangle. I added a spiro spline in the Path Effect Editor (at this point the node tool shows 4 nodes but the object selection tool shows 5 nodes). Object to Path command (now the path has two nodes overlapping. Between these 2 nodes the path is now open).

Example #2) Same as example #1 except I used an ellipse.

Example #3) I created a free-form closed path with the pen tool in spiro spline mode (the node tool indicates 5 nodes but the object selection tool shows 21 nodes). Object to Path command (now the path has two nodes overlapping. Between these 2 nodes the path is now open).

It seems as if the spiro spline script starts creating new nodes at one point on the path and works its way around the path until it gets back to where it started. But then, instead of simply closing the path, it creates another node on top of the first node and leaves the path open.

Thanks

[su_v (suv-lp)]

Reproduced with Inkscape 0.48+devel r10249 on OS X 10.5.8 (i386)

[Beluga (buovjaga)]

Could not repro. Plz re-test.

Win 7 64-bit
Inkscape 0.92pre1_64bit r15016

[su_v (suv-lp)]

Not reproduced with Inkscape 0.91 r13725 - based on tests with archived trunk builds this was solved by the spiro code cleanup in rev 11121-11124.

AFAICT the report can be closed as 'Fix Released' with milestone 0.91.

[jazzynico (jazzynico)]

~su_v, ~beluga, thanks for your investigations!