Topic: crash while generating font • RoboFont

This topic contains 2 replies, has 2 voices, and was last updated by CJ 9 years ago.

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October 4, 2011 at 21:14 #1001

CJ
Participant

RF keeps freezing while generating font, it gives me this error (below) while the progress bar reads “remove overlap…”

Traceback (most recent call last):
File “/Applications/RoboFont.app/Contents/Resources/lib/python2.7/vanilla/dialogs.py”, line 110, in savePanelDidEnd_returnCode_contextInfo_
self._resultCallback(self._result)
File “lib/doodleFontWindow.pyc”, line 318, in _compileFont
File “lib/fontObjects/doodleFont.pyc”, line 677, in generate
File “lib/fontObjects/doodleFont.pyc”, line 769, in prepareCompile
File “lib/fontObjects/doodleFont.pyc”, line 784, in compileRemoveOverlap
File “lib/fontObjects/doodleContour.pyc”, line 34, in join
IndexError: list index out of range
Traceback (most recent call last):
File “lib/doodleDelegate.pyc”, line 65, in sendEvent_
File “/Applications/RoboFont.app/Contents/Resources/lib/python2.7/vanilla/dialogs.py”, line 110, in savePanelDidEnd_returnCode_contextInfo_
self._resultCallback(self._result)
File “lib/doodleFontWindow.pyc”, line 318, in _compileFont
File “lib/fontObjects/doodleFont.pyc”, line 677, in generate
File “lib/fontObjects/doodleFont.pyc”, line 769, in prepareCompile
File “lib/fontObjects/doodleFont.pyc”, line 784, in compileRemoveOverlap
File “lib/fontObjects/doodleContour.pyc”, line 34, in join
IndexError: list index out of range

Generating in Area51 works, but gives me this error:

makeotfexe [WARNING] [internal] Feature block seen before any language system statement. You should place languagesystem statements before any feature definition [features 1]
makeotfexe [WARNING] Vendor name too short. Padded automatically to 4 characters. [features 1161]
makeotfexe [WARNING] Major version number not in range 1 .. 255 [features 1165]

Any ideas how to resolve this?

October 4, 2011 at 23:09 #1002
frederik
Keymaster
mmm, I guess you have in one of your glyphs an empty, open contour. During generating a font binary RoboFont is closing all open contours.

Try running this script looking for open contours and remove them instead of trying to close them, or send me the UFO
```
f = CurrentFont()

for g in f:
    contoursToRemove = []
    for c in g:
        if c.open:
            ## collect all open contours
            contoursToRemove.append(c)
    
    for c in contoursToRemove:
        ## remove all open contours
        g.removeContour(c)
    
    if contoursToRemove:
        g.update()
```
October 5, 2011 at 15:54 #1003

CJ
Participant

Indeed, there was a stray single point on top of another point. That script worked great, thank you.
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