Can't install camview in buster

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04 Nov 2022 22:26 #255976 by phillc54
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
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
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
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
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
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
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
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
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
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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