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Can't install camview in buster

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04 Nov 2022 22:26 #255976 by phillc54
Replied by phillc54 on topic Can't install camview in buster 
buster:~ $ apt list python
Listing... Done
python/oldstable,now 2.7.16-1 amd64 [installed,automatic]

from linuxcnc_info:
Warning: Spoiler!

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05 Nov 2022 08:24 #255992 by seuchato
Replied by seuchato on topic Can't install camview in buster
Phill, thanks
my output of linuxcnc_info attached. I need to finish some stuff, will campare it later
greez
chris
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05 Nov 2022 08:53 #255994 by seuchato
Replied by seuchato on topic Can't install camview in buster
Phill
Here's the diff
[color=#000000]diff linuxcnc_info-phillc54.txt linuxcnc_info.txt  [/color]
8,9c8,9
<                 Date: Thu 3 Nov 10:43:48 AEDT 2022
<             UTC Date: Wed 2 Nov 23:43:48 UTC 2022
---
>                 Date: Sat Nov 5 09:20:05 CET 2022
>             UTC Date: Sat Nov 5 08:20:05 UTC 2022
11c11
<               uptime: 10:43:48 up 4 min, 1 user, load average: 1.57, 0.95, 0.40
---
>               uptime: 09:20:05 up 16:31, 7 users, load average: 1.91, 1.37, 1.08
14,17c14,17
<                  pwd: /home/phill
<                 USER: phill
<              LOGNAME: phill
<                 HOME: /home/phill
---
>                  pwd: /home/cnc/linuxcnc/configs/sim
>                 USER: cnc
>              LOGNAME: cnc
>                 HOME: /home/cnc
20c20
<             LANGUAGE: en_AU:en
---
>             LANGUAGE: de_CH:de
23,25c23,25
<              DISPLAY: :0.0
<              DESKTOP: lightdm-xsession
<         display size: 1680x1050 pixels (445x278 millimeters)
---
>              DISPLAY: :0
>              DESKTOP: /usr/share/xsessions/plasma
>         display size: 3840x2160 pixels (1016x571 millimeters)
29c29
<          nodename -n: buster
---
>          nodename -n: cnc0
38,43c38,43
<              cmdline: BOOT_IMAGE=/boot/vmlinuz-4.19.0-22-rt-amd64 root=UUID=3f40f14d-34e4-4689-8780-6c3467194579 ro initrd=/install/initrd.gz quiet
<           model name: Intel(R) Core(TM) i5-5675R CPU @ 3.10GHz
<                cores: 1
<              cpu MHz: 3092.840
<              parport:  
<               serial:  
---
>              cmdline: BOOT_IMAGE=/boot/vmlinuz-4.19.0-22-rt-amd64 root=UUID=eac818d5-2e81-4b83-8807-f44a4190e973 ro initrd=/install/gtk/initrd.gz quiet acpi_osi=!Linux-Lenovo-NV-HDMI-Audio isolcpus=0
>           model name: Intel(R) Core(TM) i5 CPU 650 @ 3.20GHz
>                cores: 2
>              cpu MHz: 3331.950
>              parport: 0000-0000 : parport0 0000-0000 : parport0
>               serial: 0000-0000 : serial 0000-0000 : serial
48c48
<                  git: git version 2.20.1
---
>                  git: not_in_PATH
52c52
<                glade: not_in_PATH
---
>                glade: glade 3.22.1
70c70
< rc  linuxcnc            1:2.8.2      amd64        motion controller for CNC machines and robots
---
> un  linuxcnc            <none>       <none>       (no description available)
72a73
> ii  linuxcnc-doc-cn     1:2.8.4      all          motion controller for CNC machines and robots (Chinese
73a75,76
> ii  linuxcnc-doc-es     1:2.8.4      all          controlador de movimiento para máquinas CNC y robots (Español).
> ii  linuxcnc-doc-fr     1:2.8.4      all          motion controller for CNC machines and robots (French documentation)
77a81
>

My short analysis:
  • I guess hardware is irrelevant
  • You got git installed, me not
  • I got glade installed, you not
  • You are on lcnc 2..8.2, me seemingly no version ????
    "> un  linuxcnc            <none>       <none>       (no description available)"
    How's that possible? I AM on 2.8.4
  • => I'll try the same stuff on a fresh install, need a couple of hours, as I am not where the spare PCs are
Greez
chris

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06 Nov 2022 08:53 #256051 by seuchato
Replied by seuchato on topic Can't install camview in buster
Playing around with cam_align: Knocks me off my socks. How hot is that:
 
Taken from here: "github.com/LinuxCNC/linuxcnc/blob/master...mview_widget.py#L281"
cmorley: I declare myself a fan of you and that super work!
Thanks a ton for this!
chris
 
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06 Nov 2022 15:51 #256078 by seuchato
Replied by seuchato on topic Can't install camview in buster
Hi allIgot the delay down to a few seconds. While this is acceptable to me, I don't know why it decreased. That leaves a bit a bad taste and a kind of uncertanty: will it stay like that or come back to a higher delay later?For the time being, I consider this issue solved.I do have another issue though: While axis and DRO preview tabs scale nicely to the the space available, the cam_align tab does not:axis preview: 
 
cam_align tab after resizing:
 
You can see, the cam_align picture is a) not expanded to the available tab camvas size b) after trying to resize with the mouse, the picture istelf is cut off.

I looked at the source code (github.com/LinuxCNC/linuxcnc/blob/master...mview_widget.py#L281), and indeed, the window size is hard coded:  
I guess, that could be changed. I will try to change the fixed size to another value. I do write apps in C++ though and a few java thingis. As I am not familiar with python, I guess, I cannot suggest an appropriate modification. Maybe Chris Morley could?
It would be the dot an a perfect thing :-)
greez
chris

 
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07 Nov 2022 05:29 #256115 by cmorley
Replied by cmorley on topic Can't install camview in buster
Ideally the tab would resize automatically.
In pyqt4 it worked pretty well. pyqt5 not so much.

I could make the default size settable from the INI when loading I think, if that would help.
The following user(s) said Thank You: seuchato, tommylight

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07 Nov 2022 12:14 #256135 by seuchato
Replied by seuchato on topic Can't install camview in buster
chris
That would be nice. Off course automagical resizing would be best.
Will you notify, when it is ready?
Tia
chris

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08 Nov 2022 04:31 #256188 by cmorley
Replied by cmorley on topic Can't install camview in buster
ok I pushed to 2.8 and master.

EMBED_TAB_COMMAND= halcmd loadusr -Wn qtvcp_embed qtvcp -d -c qtvcp_embed -x {XID} -o size=800,600 cam_align

Note the '-o size=800,600'
that is the width and height

In 2.8 you must use -U instead of -o

Chris
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09 Nov 2022 12:35 #256275 by seuchato
Replied by seuchato on topic Can't install camview in buster
with apt-get -update && apt-get upgrade I am not getting an update related to cam_align. The file at "github.com/LinuxCNC/linuxcnc/blob/master...ts/camview_widget.py" is still as before (last edited 3 months ago)

Do I have to copy the files manually, if which, from where to where?

Greez
chris

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09 Nov 2022 13:35 #256285 by seuchato
Replied by seuchato on topic Can't install camview in buster
Chris
Found the file with your patch here: "github.com/LinuxCNC/linuxcnc/tree/master...vcp/panels/cam_align"
I renamed the existing .ui and .py to .ui/py.sav copied the ui and py file from above reference, chown them to cncn user and group.

my cam_align.inc:
cat cam_align.inc
#[DISPLAY]
# camview based on cam_align with simple crosshair and circle
EMBED_TAB_NAME = Optische Ausrichtung
# works, but window size small
# EMBED_TAB_COMMAND= halcmd loadusr -Wn qtvcp_embed qtvcp -d -c qtvcp_embed  -x {XID} cam_align

# Does not work, linuxcnc crashes immediately after logoshows => -U-crash.txt
EMBED_TAB_COMMAND= halcmd loadusr -Wn qtvcp_embed qtvcp -d -c qtvcp_embed -x {XID} -U size=800,600 cam_align

# Does not work, linuxcnc starts, shows manual toolchanger message and then an errormessage, waits seemingly for ever to
# invoke cam_align panel, see -o-errormessage.jpg & .txt plus -owait-for-panel.txt
#EMBED_TAB_COMMAND= halcmd loadusr -Wn qtvcp_embed qtvcp -d -c qtvcp_embed -x {XID} -o size=800,600 cam_align

The comments hopefully help to trace it down.
Greez
chris
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