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: Generated Gcode in EMC2

Type	Extension of vector graphics editor Inkscape
Developer	Gcodetools develop team
Written in	Python
OS	Cross-Platform (Windows, Linux, MacOS)
Version	1.6.03
License	GNU GPL
Downloads	7800+

Gcodetools

Gcodetools is a plug-in for Inkscape. It prepares and converts paths from Inkscape to Gcode, using biarc interpolation.

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Excuse me ! But have always exactly the same problem after update to 247 ?
I use Inkscape Inkscape 0.48.3.1 r9886 on Debian...
Would you want more information on it ?

Are you sure that you are using rev 247, what do you have at string
5268-5269 of gcodetools-dev.py

Can you post error string again please.

Oh Yes ! Curious problem of refresh... perahps because i have copy the file of extension when inkscape was running....
So that's work ! Congratulation again.

There is a bug in the spindle RPM code in the dev branch which causes an uninitialised access in some circumstances (and possibly incorrect output).

Here is the patch to fix it:

--- gcodetools-dev.py.orig Sun Dec 2 11:17:53 2012
+++ gcodetools-dev.py Sun Dec 2 11:25:02 2012
@@ -5266,7 +5266,7 @@
g += ( "(Change tool to %s)\n" % re.sub("\"'\(\)\\\\"," ",tool["name"]) ) + tool["tool change gcode"] + "\n"
self.last_used_tool = tool
if "" != tool["spindle rpm"] :
- gcode += "S%s\n" % (tool["spindle rpm"])
+ g += "S%s\n" % (tool["spindle rpm"])
lg, zs, f = 'G00', self.options.Zsafe, " F%f"%tool['feed']
current_a = None
go_to_safe_distance = "G00" + c([None,None,zs]) + "\n"

Thank you for the fix!

I'll push it into the code.

While insetting the attached image for pocketing I got a repeatable error in the g-code calculated between the points indicated by the red arrows in the attached image. No big deal as I fixed it by hand but perhaps this might help someone identify and correct a tiny code anomaly?

Can you attach your svg and describe the problem?
Perhaps there's a small handle that is not easily seen and does not have noticeable influence to the path but it can ruin all offsets.

Sometimes the paths I generate for plasma cutter have bad lead-in/out points.

For example, if I need to cut out a rectangular shape, the lead-in/out point is one of the corners of the rectangle, and the lead-in actually starts outside the rectangle when of course it should start on the inside.

If I pick the longest segment in a path and add a node in the middle, that new node would make a good lead-in/out point. But how do I tell the plasma cutter plugin to use that node?

brian60221 писал(а):For example, if I need to cut out a rectangular shape, the lead-in/out point is one of the corners of the rectangle, and the lead-in actually starts outside the rectangle when of course it should start on the inside.

Try Path-Reverse - after that in/out paths will be on the ohter side.

brian60221 писал(а):If I pick the longest segment in a path and add a node in the middle, that new node would make a good lead-in/out point. But how do I tell the plasma cutter plugin to use that node?

There are two ways:
1. Break path appart in that point - F2 (node edidting tool) - select the node - pres the buton to mate two not connected nodes from one node.
2. Add in/out point. On prepare for plasma chechk the box to add that point. The point looks like an arrow, just move it near by desired point. You can copy that "arrow" to make several points for several paths (just do not ungrpup it and make a copy of the entire group).

Could you possibly write up a short tutorial on engraving the attached file with a 90 degree conical cutter for a finished letter roughly 1.25 inches high? I just cannot manage to get the engraving utility to work at all. I keep getting bad orientation point errors and other errors whenever I attempt to create the gcode. I also have finally completed all six of my signs (like the Bears by Durachko sign) and I'd be happy to send you images if you'd like to post them.

Nick писал(а):Can you attach your svg and describe the problem?
Perhaps there's a small handle that is not easily seen and does not have noticeable influence to the path but it can ruin all offsets.

Thanks but I managed to work around this problem.

Here's what I'm getting for my most consistent error message:

Traceback (most recent call last):

File "C:\Program Files\Inkscape\share\extensions\gcodetools.py", line 4616, in <module>

e.affect()

File "C:\Program Files\Inkscape\share\extensions\inkex.py", line 207, in affect

self.effect()

File "C:\Program Files\Inkscape\share\extensions\gcodetools.py", line 4564, in effect

self.engraving()

File "C:\Program Files\Inkscape\share\extensions\gcodetools.py", line 3969, in engraving

d, r = 0, float("inf")

ValueError: invalid literal for float(): inf

More pictures of things I've made using gcodetools.

Durachko писал(а):File "C:\Program Files\Inkscape\share\extensions\gcodetools.py", line 3969, in engraving

d, r = 0, float("inf")

ValueError: invalid literal for float(): inf

What version of Gcodetools are you using?
Try to change in that string from
d, r = 0, float("inf")
to
d, r = 0, 1e100

Nick писал(а): What version of Gcodetools are you using?

v1.6. If that's not current I'll update right now!

Updated to v1.7. I CANNOT FIND THAT LINE IN GCODETOOLS.PY??? SOMETHING REALLY FISHY IS GOING ON. I'LL DIG DEEPER.

Edit: I cannot find that line of code in the file gcodetools.py. The new version gives me the same error message. Any other suggestions?

I updated Inkscape AND gcodetools and the engraving is working now.

Durachko писал(а):I updated Inkscape AND gcodetools and the engraving is working now.

Great!

hi!

i'm pretty new to the g-codetools and i want to make a newbie question: how i make multiple passes with the same tool and for the same shape? i mean, i want to cut a shape in an aluminium plate of 2mm thick, to avoid heating the material and get better results i want to make this in a lot of passes (i.e. penetrating 0.1mm each pass), where i instruct to g-codetools to handle this? Thanks!

Just define depth step for the tool.
When you generate Gcode or just adding a "tool definition" using Tool's library. A green box appears in the drawing. You can chnge parameters in it using text tool (F8).

There's a small video about tools in Gcododetools http://www.youtube.com/watch?v=zMQplyEo ... oA&index=5

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Inkscape Gcodetools plug-in English support forum

Inkscape Gcodetools plug-in English support forum

Gcodetools

Features

License

Install

Usage

Screenshots

Get latest versions

Dev-version

Translations

Credits

Develop

Tested on

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Minor bug fix

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

plasma cutter lead-in/out points

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum

Re: Inkscape Gcodetools plug-in English support forum