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tommylight
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13 Aug 2020 19:02 #178129
by tommylight
Yes, that is it, so give the dmap2gcode a try, it is very simple and very effective.
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14 Aug 2020 01:16 #178147
by dpedreira
Sorry for the late response. Thank you very much Tommy
The following user(s) said Thank You: tommylight
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14 Aug 2020 15:01 #178188
by dpedreira
Tommy, I'm trying to get an understanding for GIMP and
www.scorchworks.com/Dmap2gcode/dmap2gcode.html
Are they the same or different?
Do they get loaded on with LinuxCNC or with the post processor.
None of this makes sense to me so please explain in elementary detail what needs to be done. I apologize and greatly appreciate your time.
Thank you
Dave
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14 Aug 2020 15:15 #178190
by tommylight
GIMP is an image editing software, something like Photoshop for windows, you do not need it for this use case, i just mentioned it for scaling the big images. It comes pre-installed in some Linux distributions, and if it is not, use "sudo apt-get install gimp" in a terminal to install it.
Dmap2gcode does just that, it takes an image and outputs a depth map for use in cnc milling or engraving. It does not need to be installed at all, just download and unzip then double click on the dmap2gcode.py file. Open the image you want to mill, set the dimensions, tool type and diameter and some other stuff then click on "generate gcode".
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14 Aug 2020 17:49 - 14 Aug 2020 17:51 #178200
by jbraun
How was the g-code file created ?
I've attached an example depth map that works with dmap2gcode.
It's odd that splitting up the file(s) creates that step in the carving but the proof is in the 2nd picture you provided
Last edit: 14 Aug 2020 17:51 by jbraun.
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08 Sep 2020 21:34 #181325
by dpedreira
Thank you for your reply. I am running version 2.6 do you recommend an upgraded version that may alleviate my problem? Also, I'm not very tech savvy. My CNC partner creates the gcode via aspire, would you mind assisting him so that we can run whole files instead on multiple mini files that have under 1million lines of code each? Or maybe explain to him (Duane) how to use the dmap to aid us in this problem.
Thank you
Dave
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09 Sep 2020 15:21 #181456
by jbraun
The 2nd image provided is no longer loading here. Working from memory it had a step in the z direction near the centre.
Anything that may effect offsets in the first program needs to be repeated at the top of the 2nd program. Like the tool # or G54 or G43 for example. If the 2nd program uses a different tool or or the tool is removed from the holder for any reason that's another possible source of error. Splitting the file should not cause this problem.
The border is beautiful, Aspire is doing a nice job. Too bad the file is so large.
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09 Sep 2020 21:45 #181519
by tommylight
Here is the above picture done in dmap2gcode at 0.2mm stepover and 200x540mm size and 20mm depth:
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