Work with probe

verser
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14 May 2015 20:13 - 14 May 2015 22:01 #58685 by verser

Replied by verser on topic Work with probe

mariusl wrote:
What is the other piece of software next to you probing stuff on your picture a couple of posts back?

This is Features for linuxcnc from Nick (cnc-club.ru) - construction of g-code directly from linuxcnc

Last edit: 14 May 2015 22:01 by verser.

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verser
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14 May 2015 20:20 - 14 May 2015 20:21 #58686 by verser

Replied by verser on topic Work with probe

mariusl wrote:
Hi
Gmoccapy loads with the probing stuff loaded in the usertab but when I run it the system goes to MDI mode and nothing further happens. Is there some other stuff that must be installed or not?

I'm a little touched up installation instructions.

Check at this part

1. .ini

...
[RS274NGC]

FEATURES=30
SUBROUTINE_PATH = your_subroutine_path
...

2. The following files from the archive placed in:
....
your-folder-configuration/your_subroutine_path
all from folder "macros"
...

Last edit: 14 May 2015 20:21 by verser.

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mariusl
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15 May 2015 00:07 #58694 by mariusl

Replied by mariusl on topic Work with probe

I have those settings in the .ini file.
I see that your version of Gmoccapy is a bit old and not standard any more. Did you make a lot of changes to gmoccapy?

Regards
Marius

www.bluearccnc.com

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verser
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15 May 2015 01:12 #58698 by verser

Replied by verser on topic Work with probe

mariusl wrote:
I have those settings in the .ini file.
I see that your version of Gmoccapy is a bit old and not standard any more. Did you make a lot of changes to gmoccapy?

Just a bit old screenshot. No any changes to gmoccapy, only custom additional panels.

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mariusl
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15 May 2015 01:17 #58699 by mariusl

Replied by mariusl on topic Work with probe

I cannot get the code to work but something else might be the problem. I have Ngcgui loaded as well and for some reason when ngcgui is loaded the Gmoccapy cannot find any files that are in the macro directory. I have this on my lathe and on my mill.
I cannot get Andy's Lathemacro to work when I have ngcgui either.

Would you mind sharing how you got Nick's Features to load and work with Gmoccapy?

Regards
Marius

www.bluearccnc.com

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verser
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15 May 2015 02:01 - 15 May 2015 11:30 #58701 by verser

Replied by verser on topic Work with probe

mariusl wrote:
I
Would you mind sharing how you got Nick's Features to load and work with Gmoccapy?

My translation

from this (for sim gmoccapy)

Installation:
features.zip unzip to ~/linuxcnc-dev/lib/python/gladevcp/
features_gmoccapy.zip unzip to ~/linuxcnc-dev/configs/sim/gmoccapy/
In file ~/linuxcnc-dev/configs/sim/gmoccapy/gmoccapy_4_axis.ini (or your-config.ini) in section [DISPLAY] add:

EMBED_TAB_NAME = features
EMBED_TAB_LOCATION = box_right
EMBED_TAB_COMMAND = gladevcp -x {XID} features_gmoccapy.glade

Do:

sudo apt-get install python-lxml 
cd /usr/lib/pymodules/python2.6/gladevcp
ln ~/linuxcnc-dev/lib/python/gladevcp/features.py -s
ln ~/linuxcnc-dev/lib/python/gladevcp/features.glade -s
ln ~/linuxcnc-dev/lib/python/gladevcp/subroutines -s

Insert in ~/linuxcnc-dev/lib/python/gladevcp/hal_pythonplugin.py, after "calculator" :

from features import Features

Insert in ~/linuxcnc-dev/lib/python/gladevcp/hal_python.xml
after first "calculator"

<glade-widget-class name="Features" generic-name="features" title="features">
        <properties>
            <property id="size" query="False" default="1" visible="False"/>
            <property id="spacing" query="False" default="0" visible="False"/>
            <property id="homogeneous" query="False" default="0" visible="False"/>
        </properties>
    </glade-widget-class>

after second "calculator":

<glade-widget-class-ref name="Features"/>

Then, update only folder ~/linuxcnc-dev/lib/python/gladevcp/subroutines from github

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File Attachment:

File Name: features.zip
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Last edit: 15 May 2015 11:30 by verser.

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elf
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17 May 2015 05:44 #58768 by elf

Replied by elf on topic Work with probe

Inside circle routine isn't working for me. The first -X move is executing twice, once in the python code(line 975) and once in the macro xminus_in.ngc (line 10).

LinuxCNC version is 2.6.4.

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17 May 2015 12:28 #58773 by verser

Replied by verser on topic Work with probe

elf wrote:
Inside circle routine isn't working for me. The first -X move is executing twice, once in the python code(line 975) and once in the macro xminus_in.ngc (line 10).

This is bug. It's corrected. Thank you for accurate description.

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elf
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17 May 2015 14:56 #58776 by elf

Replied by elf on topic Work with probe

The updated code fixes the double move bug. There is another bug in the python code where the program assumes both probed positions have the same sign [line 1028: cxres=0.5*(xres+xres1)] Note: the docs don't say if the probed_position is relative or absolute: linuxcnc.org/docs/html/common/python-interface.html

The home position on my machine is in the center for all three axes so when the circle is centered on the home position, I'm getting wildly different results. When I move the circle to +X and +Y, the code works as expected.

A minor issue is xplus.ngc and yplus.ngc contain Z axis moves. I think these should be moved to the python code.

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verser
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17 May 2015 16:22 - 20 May 2015 14:24 #58779 by verser

Replied by verser on topic Work with probe

elf wrote:
The updated code fixes the double move bug. There is another bug in the python code where the program assumes both probed positions have the same sign [line 1028: cxres=0.5*(xres+xres1)] Note: the docs don't say if the probed_position is relative or absolute: linuxcnc.org/docs/html/common/python-interface.html

The home position on my machine is in the center for all three axes so when the circle is centered on the home position, I'm getting wildly different results. When I move the circle to +X and +Y, the code works as expected.

Screenshot in the header of this topic by the way shows the result of measurement of hole. We see that true equality "Xc"=0.5*("X+" + "X-"). In Probe Screen application probed_position matches with absolute coordinates . I do not quite understand why it is wrong.

elf wrote:
A minor issue is xplus.ngc and yplus.ngc contain Z axis moves. I think these should be moved to the python code.

Now I think so too

Last edit: 20 May 2015 14:24 by verser.

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