GPX - gcode to x3g post process conversion utility

[Wingcommander (whpthomas)]

So for the last few weekends I have been working on a simple, light weight post processor to convert gcode to the x3g format. The idea is to make it easier for owners of makerbot printers (particularly those running sailfish firmware ;) to use different slicers without the need to open the gcode in ReplicatorG or Makerware to convert it to the X3g format for printing. I have just pushed my first pre-release code preview onto github - you can take a gander here. 

http://github.com/whpthomas/GPX

This will compile cleanly - but is not fully operational yet.

Things still to be written include:

• the accelerated queue point command (saving the best until last =)
• a custom machine definition parser to read in profiles for printers other than the Replicator 1/2/2x which have build-in definitions. I can add more built-ins (plenty of room), I just got confused looking through the plethora of xml files available.
  
• gcode access to a few firmware additional commands and their parameters.

I have also been thinking of adding support for changing the filament diameter in post processing - or even spiting out multiple files to support different filament diameters during the one conversion, so you don't have to re-slice.

I just set up yet another google forum "GPX converter" <gpx-converter(at)googlegroups(dot)com> for general discussion about this new utility.

Comments/Feedback/Suggestions all welcome.

[Eighty]

Dammit, another forum to monitor...
Well, on the bright side, there's another forum to cause trouble in!

[Eighty]

By the way, my eyebrows went up (in a pleasantly surprised fashion) on the mention of E-scaling. You officially have my approval to proceed on that one!

[Eighty]

Did I miss something, or is that an email address, not a forum link?

[Wingcommander (whpthomas)]

Did I miss something, or is that an email address, not a forum link?

Dooh, forehead slap -  https://groups.google.com/forum/?fromgroups#!forum/gpx-converter

It was supposed to be an embedded link - but google quibbled over the email address in the post - the link got deleted.

[Wingcommander (whpthomas)]

All the requested features have now been implemented and tested - including left and right filament scaling, temperature overrides and ditto printing with different filament settings. Slic3r post processing is also now supported natively - no need to thunk with a bash script.

For more info jump in here: http://groups.google.com/d/msg/gpx-converter/oXwQ2b3oTJE/PtowGcCDmuoJ

[Wingcommander (whpthomas)]

GPX is now up to 0.9 (beta) I have been slicing and printing with output it generated all week without incident.

As a convenience I added an option in the gpx.ini file for you to specify the volume of you SD card. For for instance my SD card volume name is Things, so by adding

; SD Card path - if inserted the x3g file will be written there

; uncomment to enable and substitute the name of your SD card volume

sd_card_path=/Volumes/Things/

to the gpx.ini file now if I insert the SD card, and click save from Kisslicer, GPX sends a copy to my SD card, ready to print.

[Joseph Chiu]

I know that creeping-featurism is not a good thing, but may I suggest an auto date-stamped folder or the like for your wish list?  When you have lots of files, it starts to get crowded and confusing sometimes.

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[Wingcommander (whpthomas)]

I know that creeping-featurism is not a good thing, but may I suggest an auto date-stamped folder or the like for your wish list?  When you have lots of files, it starts to get crowded and confusing sometimes.

I will look into it. 

[Wingcommander (whpthomas)]

I know that creeping-featurism is not a good thing, but may I suggest an auto date-stamped folder or the like for your wish list?  When you have lots of files, it starts to get crowded and confusing sometimes.

I will look into it. 

I could not find a simple portable way to do this easily.