Thumbnail preview

[tripstar76]

The thumbnail preview has never worked on my FC since v17, so I thought I'd make a thumbnailer....



Python thumbnailer code that goes in /usr/local/bin folder....
https://pastebin.com/4MRmX3ts
chmod 755

Thumbnailer thigy, that goes in /usr/share/thumbnailers/ folder....
https://pastebin.com/HYHkpcHv

If anyone can improve on it, help yourself. Don't forget to tick these boxes....


I'm using Linux Mint 20 XFCE. Python is version 3.8.2. Freecad Is 19 pre appimage

These are for the stl thumbnails. OpenSCAD needs to be installed for the stl's to work
https://pastebin.com/UEaTnwrB
https://pastebin.com/KpJzBxxc

[Kunda1]

Does this work on MacOS as well ?

[tripstar76]

Hmm, I don't know. It might need tweaking? I've never used a mac before.

I should add little bits to the original post!

[TheMarkster]

Do you have the preference set to save the thumbnail into the document when saving files? Edit -> preferences -> general -> document -> Save thumbnail into project when saving document.

[tripstar76]

I do, but like I said in the first post, it hasn't worked(for me) since FC17.
It was only the other day I thought about going through the old gits to find differences, and the difference is, from 18 onwards, there's no thumbnailer bits and bobs, that I could see. So, I pulled the stuff from FC17, tweaked, changed to python3 cos changes are afoot, and got it working.

[pachiburke]

I've just sent a pull request tackling this issue: https://github.com/FreeCAD/FreeCAD/pull/4078

The thumbnailer script (src/Tools/freecad-thumbnailer) needed some updates:

• now it doesn't depend on gnome libs (it doesn't need to)
• it works either with python2 and python3
• a thumbnailer config file is added to the installation step (FreeCAD.thumbnailer in /usr/share/thumbnailers)
• it no longer uses the .py extension

The freecad-thumbnailer script should be copied to /usr/bin/freecad-thumbnailer and should have execution rights

Code: Select all

$ sudo chmod +x freecad-thumbnailer
$ sudo cp freecad-thumbnailer /usr/bin/
$ sudo cp FreeCAD.thumbnailer /usr/share/thumbnailers/

[fcaduser]

I reported this problem here :
https://forum.freecadweb.org/viewtopic.php?f=8&t=51493
https://tracker.freecadweb.org/view.php?id=4475

[drmacro]

Just for complete understanding.

When you set Save thumbnail in preferences, the thumbnail is included in a folder in the FCStd zip file.

I thought it didn't work for the longest time because I don't use the Start workbench, where they are displayed nicely (at least in 0.19).

But, they are not displayed, in my case, by Thunar file manager.

Is this macro intended to allow these thumbnails to be seen in system file managers?

If so, what triggers the update of the database?

[Kunda1]

Conversation continues in https://forum.freecadweb.org/viewtopic.php?f=17&t=52491