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Author Topic: CamBam Out Of Memory  (Read 1027 times)
craig00747
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« on: January 11, 2019, 18:48:11 pm »

Hello Gents

I am using Windows 7 32-bit and have 3.49 GB usable memory.

I get this system out of memory error message, when clicking on the Generate Tool path icon.

Has a patch been done for the 32-bit system, as I only found one patch for the 64-bit system.

I have a sealed package of Windows 10 Home Edition 64-bit Version 1803, but I have not yet searched to see if CamBam and Mach3 will work on this Windows Platform?

Regards

Craig
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dh42
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« Reply #1 on: January 11, 2019, 19:17:23 pm »

Hello

Quote
Has a patch been done for the 32-bit system, as I only found one patch for the 64-bit system.

No

Quote
I have a sealed package of Windows 10 Home Edition 64-bit Version 1803, but I have not yet searched to see if CamBam and Mach3 will work on this Windows Platform?

For CamBam, Yes

For Mach3, yes IF you drive the machine trough USB or Ethernet, but if you're using the // port you can only use a 32 bits version of Windows

Note that you need also a patch to use Mach3 with Win10

It can be found here

https://warp9td.com/index.php/sw/software-mach

++
David
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craig00747
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« Reply #2 on: January 11, 2019, 19:29:55 pm »

Hello David

Thank you for your reply.

I am controlling Mach3 via a USB cable. Not printer/parallel port.

Regards

Craig
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Bob La Londe
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« Reply #3 on: January 11, 2019, 23:52:03 pm »

Just so you know.  Usually when I have memory issues its because I have to many meshes in the file.  Usually because I am creating multiple copies of the same part.  In those cases I use nesting instead of multiple meshes.  No memory issue then. 
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craig00747
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« Reply #4 on: January 12, 2019, 03:33:30 am »

I understand and am still confused about this memory error.

The confusion is due to the fact that the part is an engraving, which is 0.02 mm deep and the size is 70 mm x 70 mm. This is a small size engraving with only one depth to engrave to.

I managed to get CamBam to generate the tool paths and the part is ready for engraving. Used CAMotics to vew the engraving process and its correct.

A thought crossed my mind, concerning the out of memory error? This is when CamBam is opened and the OPEN FILE is clicked on. Here is where I see a list of machining files, which was done previously.

Does this list of files not use the "memory" available/used? I RIGHT - clicked on these files and nothing happened. i.e. I was trying to DELETE these files in the list, to see if it makes any difference to the memory.

Regards

Craig
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dwc
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« Reply #5 on: January 12, 2019, 11:00:10 am »

This is a small size engraving with only one depth to engrave to.
Do I understand correctly that you are doing this with a 3D MOP from a mesh?
If there is really only one depth there is no reason for that.
Use the outline to make a pocket or profile.  It will be much quicker to machine, cleaner and you will not be stressing your memory limits.
Don
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craig00747
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« Reply #6 on: January 12, 2019, 11:50:49 am »

Hello Don

No, I have created this engraving from a JPEG, which was saved as a DXF file. So its just an outline of the profile.

Regards

Craig
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Bob La Londe
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« Reply #7 on: January 12, 2019, 17:10:17 pm »

Is the JPEG still in the file?  High res JPEG files can be quiet large. 

Also on some computers turning off display of layers with complex geometry can help with responsiveness and memory issues. 


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dh42
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« Reply #8 on: January 13, 2019, 01:08:11 am »

Hello,

Quote
No, I have created this engraving from a JPEG, which was saved as a DXF file. So its just an outline of the profile.

Yes but even an outline can contain a huge number of small segments ... and they use a lot of memory and give enormous GCode. It is worth if the file contain splines ; it's a good idea to convert splines to polylines before to use them with a machining operation.

when you get a DXF, especially if it a "digitized" image, it's a good idea to check if your polylines are not to "heavy" (contain a lot of small segments) ; the "magic" function is the polyline/arc fit that is able to give lighter polylines. (first convert splines to polylines if nedeed)

have a look at the reply #9 of this post
http://www.cambam.co.uk/forum/index.php?topic=1624.0

It will be more easy to check the problem if you share our .cb file that cause this error (additional options.. link)

If it is larger that 6MB, pack it. (rar, zip)

++
David
« Last Edit: January 13, 2019, 01:11:44 am by dh42 » Logged
craig00747
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« Reply #9 on: January 13, 2019, 07:33:59 am »

Hello Bob and David

Here is the JPEG file of the design,which I wanted to do an engraving of.

I first converted all the lines to polylines and removed any unwanted "arc shapes", to clean up the design.

The JPEG was opened in ViaCad V9 and then resized to a 70 mm x 70 mm size. Then it was exported to CamBam in a DXF format.

I did try to do this in InkScape , but noticed that the only option available, was to "trace from Bitmap". By going this route, the HEIGHTMAP function has to be used in CAMBAM and this is not what I wanted.

Regards

Craig


* 729b28109e6d1d2671d195d0cecf3f82.jpg (77.29 KB, 564x564 - viewed 47 times.)
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craig00747
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« Reply #10 on: January 13, 2019, 07:47:52 am »

This is what I achieved before generating the toolpaths.

* c0d14b7f72b2a8b594b0fde8d384ca40.dxf (4.13 KB - downloaded 22 times.)
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EddyCurrent
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« Reply #11 on: January 13, 2019, 09:45:44 am »

With CamBam v1.0 use;

1. Draw->Bitmap then select the jpg
2. with the jpg now in CamBam resize it to 70mm using; Edit->Transform->Resize
3. Set 'Display Bitmap' to false and 'Display Vectors' to true
4. Select all of the vectors then use, Edit->Explode
5. remove any 'noise' from the vectors to clean things up
6. select all the vectors then, Edit->Join

And you have it ready to engrave.
Nowhere near any memory issues.

The dxf you attached was useless, nothing appeared on screen.


* Pskull.jpg (429.02 KB, 986x851 - viewed 55 times.)
« Last Edit: January 13, 2019, 09:51:06 am by EddyCurrent » Logged

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craig00747
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« Reply #12 on: January 13, 2019, 11:18:00 am »

Thank you Eddy

I do not have version 1 of CamBam.

Regards

Craig
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EddyCurrent
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« Reply #13 on: January 13, 2019, 11:26:28 am »

Get it here; http://www.cambam.info/downloads/

scroll down a bit to, Version 1.0 (alpha-16)
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craig00747
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« Reply #14 on: January 13, 2019, 20:03:59 pm »

Thank you Eddy

Does a new license have to be purchased for this?

Regards

Craig
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