Re: [Emc-users] I J code

2008-11-09 Thread Steve Blackmore
On Sat, 08 Nov 2008 23:13:00 -0500, you wrote: Comments and suggestions are welcome, but if you want to make I/J/K optional in absolute mode, be prepared to define exactly what will happen in all cases, and come up with very good reasons to justify the additional complexity. Hi John - when I

Re: [Emc-users] I J code

2008-11-09 Thread Matt Shaver
On Sat, 2008-11-08 at 23:13 -0500, John Kasunich wrote: The Mach manual says In Absolute it will, of course usually be necessary to use both I and J words unless by chance the arc's centre is at the origin. So Mach is using zero if you don't specify I or J (or K, depending on the plane). I

Re: [Emc-users] I J code

2008-11-09 Thread Greg Michalski
snip Isn't the math: I(relative) = I(absolute) - X(start) J(relative)=J(absolute)-Y(start) ? Carl Helquist Hello Carl Your math's is right (I think so) However your assertion in my ability or inclination to write a script or program, sorry wrong. Best wishes Dave /snip If that math is

Re: [Emc-users] I J code

2008-11-09 Thread Terry
Andre B wrote: I think just leave EMC as it is and write a little app that does the conversion off line, most any CAM system should be able to output either format so we are only talking about a few existing old g code programs. In my opinion the user would be better off rewriting those

[Emc-users] I J code

2008-11-08 Thread Dave Houghton
Hi I have some Gcodes where the I and J are in absolute coordinates, EMC2 seems to like I and J in incremental coordinates, is there a simple way, or something that will enable EMC2 to read these Gcodes. Regards Dave -

Re: [Emc-users] I J code

2008-11-08 Thread Chris Radek
On Sat, Nov 08, 2008 at 04:53:58PM +0200, Dave Houghton wrote: Hi I have some Gcodes where the I and J are in absolute coordinates, EMC2 seems to like I and J in incremental coordinates, is there a simple way, or something that will enable EMC2 to read these Gcodes. Regards Dave No,

Re: [Emc-users] I J code

2008-11-08 Thread Kenneth Lerman
If you (or anyone else) decide to change the interpreter, I think you should add a parameter to the ini file supporting IJ_MODE_ABSOLUTE = 1 so that the same interpreter will support both modes. Ken Chris Radek wrote: On Sat, Nov 08, 2008 at 04:53:58PM +0200, Dave Houghton wrote: Hi I have

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
-Original Message- From: Chris Radek [mailto:[EMAIL PROTECTED] Sent: 08 November 2008 05:22 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] I J code On Sat, Nov 08, 2008 at 04:53:58PM +0200, Dave Houghton wrote: Hi I have some Gcodes where the I and J

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
-Original Message- From: Kenneth Lerman [mailto:[EMAIL PROTECTED] Sent: 08 November 2008 05:27 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] I J code If you (or anyone else) decide to change the interpreter, I think you should add a parameter to the ini file

Re: [Emc-users] I J code

2008-11-08 Thread Carl Helquist
Thanks for your reply, I suppose I was looking a Gcode answer. I don't want to change the interpreter. Regards Dave At one time I had one control program that used IJ absolute along with EMC (pre EMC2). In order to be able to convert programs from one format to another I wrote a

Re: [Emc-users] I J code

2008-11-08 Thread Andre' Blanchard
At 10:36 AM 11/8/2008, you wrote: -Original Message- From: Kenneth Lerman [mailto:[EMAIL PROTECTED] Sent: 08 November 2008 05:27 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] I J code If you (or anyone else) decide to change the interpreter, I think you should add

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
-Original Message- From: Andre' Blanchard [mailto:[EMAIL PROTECTED] Sent: 08 November 2008 07:51 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] I J code At 10:36 AM 11/8/2008, you wrote: -Original Message- Andre' wrote There are programs available

Re: [Emc-users] I J code

2008-11-08 Thread Wayne Parks
: Kenneth Lerman [mailto:[EMAIL PROTECTED] Sent: 08 November 2008 05:27 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] I J code If you (or anyone else) decide to change the interpreter, I think you should add a parameter to the ini file supporting IJ_MODE_ABSOLUTE = 1 so

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
-Original Message- From: Carl Helquist [mailto:[EMAIL PROTECTED] Sent: 08 November 2008 07:39 PM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] I J code Thanks for your reply, I suppose I was looking a Gcode answer. I don't want to change the interpreter

Re: [Emc-users] I J code

2008-11-08 Thread Ron Ginger
I have some Gcodes where the I and J are in absolute coordinates, EMC2 seems to like I and J in incremental coordinates, is there a simple way, or something that will enable EMC2 to read these Gcodes. Regards Dave Mach3 supports both, G90.1 sets to absolute mode, G91.1 sets to

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
Wayne wrote I'm definitely not a programmer so don't know if this is of any help or not. Seems to have free source code for creating a back plotter /viewer. http://www.codeproject.com/KB/vb/CNC_Viewer.aspx Hello Wayne I had a quick look I'm not a programmer either, so I'm sure if it will work

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
Ron wrote Mach3 supports both, G90.1 sets to absolute mode, G91.1 sets to incremental mode. Its valid to change it on the fly within a program. ron ginger Hello Ron Its valid to change it on the fly within a program. Can you just explain that to me please. It sounds quite useful. Thanks

Re: [Emc-users] I J code

2008-11-08 Thread Jon Elson
Dave Houghton wrote: Hi I have some Gcodes where the I and J are in absolute coordinates, EMC2 seems to like I and J in incremental coordinates, is there a simple way, or something that will enable EMC2 to read these Gcodes. I and J in absolute is VERY odd, not standard at all. I think

Re: [Emc-users] I J code

2008-11-08 Thread Michael Buesch
On Sunday 09 November 2008 00:10:42 Jon Elson wrote: I and J in absolute is VERY odd, not standard at all. Well, I know at least one spark erosion machine that uses I and J as absolute coordinates. So at least it's standard for this machine model. :) Too bad I don't remember the manufacturer of

Re: [Emc-users] I J code

2008-11-08 Thread Leslie Newell
Hi Jon, Actually absolute I,J isn't that uncommon. Many controls have a parameter to select either absolute or relative I,J. Les Jon Elson wrote: I and J in absolute is VERY odd, not standard at all. I think you would need to write a computer program in your favorite language to read in

Re: [Emc-users] I J code

2008-11-08 Thread Dave Houghton
Jon wrote I and J in absolute is VERY odd, not standard at all. I think you would need to write a computer program in your favorite language to read in the program a line at a time, and alter these coords when it sees a G02 or G03 move. Hello Jon I don' have a favorite language, so sadly I

Re: [Emc-users] I J code

2008-11-08 Thread John Kasunich
Ron Ginger wrote: I have some Gcodes where the I and J are in absolute coordinates, EMC2 seems to like I and J in incremental coordinates, is there a simple way, or something that will enable EMC2 to read these Gcodes. Regards Dave Mach3 supports both, G90.1 sets to absolute mode, G91.1

Re: [Emc-users] I J code

2008-11-08 Thread Andre B.
At 10:13 PM 11/8/2008, you wrote: Ron Ginger wrote: I have some Gcodes where the I and J are in absolute coordinates, EMC2 seems to like I and J in incremental coordinates, is there a simple way, or something that will enable EMC2 to read these Gcodes. Regards Dave Mach3