[FEATURE REQUEST] Transpose Operation

[Jyers]

Is your feature request related to a problem?

Many printers (particularly older models such as Elegoo Mars 1, 2 etc.) use a "portrait" layout for their LCD. That is to say, the x dimension is smaller than the y dimension. This is fine to define within the slicer/uvtools however it creates an unfortunate discrepancy where in most slicers the "front" is denoted as being at x=0. For these portrait screen printers however, x=0 is the side of the bed.

Describe the solution you'd like

I think having an additional "Transpose" operation within UVTools would be a great solution to this problem. With this, one could input the resolution into the slicer as landscape, which would label the front of the bed properly. Then, simply run the file through the transpose operation of UVTools and have a printable file.

This operation might also want to have a way to specify what type of transpose is being done. For example a "true transpose" which would result in a mirrored model, or a "rotation transpose" which is more akin to a 90 degree rotation.

Files

No response

[sn4k3]

I'm not understanding the scope of the problem. Can you provide illustrative picture?
PrusaSlicer let you choose the origin to whatever you want, however, origin is only relevant to FDM printers. mSLA printers it doesn't matter as all that does is exposure an image to LCD. Origin will be only used for slicer to indicate the relative position to the model in this case.

Also input incorrect values to fix latter can be problematic:

• You always need to fix
• You can forget to fix
• In UVtools some printers are identified by resolution (Anycubic)
• The resolution and screen dimensions are critical and sensitive values and impact a ton of functions and properties in UVtools structure, I dont recommend by any mean tamper with that.

However, is possible to do this already. The rotate tool does not change your image resolution as it was intended that way. But the real rotate function does! You can call that function via terminal or scripting. Then you can use the mirror tool together or after.
As final step you need to send the new/swap resolution and screen size to the file.

I don't plan to do such tool as this represents a "hack", the information should always come clean and correct from input file and not as fix it latter. But is easy to implement your own script to do it. Something like 20 line code

[Jyers]

Yeah it's a bit of a niche case and I agree could definitely be problematic in general.

For reference, the problem is that as-is if I define my build plate as is required to print on my printer, it would come up in the slicer like this:

Whereas preferably I would like it to show up like this:

As that is more representative of the actual printer orientation.

My thought was that since I'm already doing some conversion in UVTools, I might as well orient it the way I want in the slicer and correct it during the UVTools step.

Very interesting what you said with the rotate function! Is that something I can run using uvtoolscmd? Sorry I'm very new to UVTools and so far have only figured out how to run the built-in tools using the cmdline.

I'll close this as well since like you said, probably not the best thing to implement.

[sn4k3]

Yeah thats a slicer strategy, on first versions of UVtools I did this with PrusaSlicer (your transpose idea) but in some cases was resulting in problems and was all wrong from begin with as it was a mess. PrusaSlicer allow you to do landscape with correct resolution, as is what my print profiles are using now:

Is that something I can run using uvtoolscmd

Yes, UVtoolsCmd, UVtools Terminal and UVtools scripting tool, any will work.
To use UVtoolsCmd you will have to write a script and pass it, that same script can execute via GUI.
For this case I recommend scripting, as you can have variables and on GUI you can configure your script before run.
But if you workflow is always the same you wont need any variables and can also use terminal with raw code.

If you have no experience with C# this will be a hard task for you, I can provide you a script and you can play with it.

[Jyers]

Yes that really is the ideal fix, I wish other slicers would offer a setting like that.

As far as the script I'm a pretty competent programmer, but I haven't touched C# in years so if you have time and wouldn't mind writing a quick script to give me a starting point that would be much appreciated.

[sn4k3]

Download this file ScriptTransposeOrientation.cs
Run via Tools - Scripting, or drag and drop into UVtools GUI.

[Jyers]

Thank you!!!

You might have convinced me to give PrusaSlicer a try as well :)
(I use Orca for FDM, so I hadn't really considered Prusa since I wouldn't use it for both, but it might be worth it after all)

[sn4k3]

I dont use anything else than PrusaSlicer, its simple and always worked. I tried other slicers, but none give me the output PS gives. So I stick with it.