SU7.1 OSX camera aspect ratio vs. export 2D

jeff hammond

The last solution (typing 'Sketchup.active_model.active_view.camera.aspect_ratio=0.0' into Ruby console is a workarond that seems to work, although overlaying SU output over the render requires some tweaking, it's good enough for now. Thanks.

yeah, that's why I like the skindigo method. It doesn't rezoom the window upon clearing the bars so it's a lot easier to export for overlays because the prerender and 2D jpg are identical.
Whatever whaat did for skindigo could be made as a stand alone ruby but I personally don't have a clue how to write a plugin.

thomthom

"rezoom"?

red_shift

Well, I tried to add the skindigo render plugin, got the following message on SU startup

Library/Application Support/Google SketchUp 7/SketchUp/Plugins/SkIndigo.rb:1887: parse error, unexpected ',', expecting kEND
Sketchup::set_status_text ("Focus Distance"), SB_VCB_LABEL

May I scream now?

jeff hammond

@thomthom said:

"rezoom"?

This would be a lot easier to explain eith a video but I'm not set up for that right now so....

With skindigo, the grey bars simply disappear when using the reset camera feature.
With the other methods, this doesn't happen. The space between the bars become the outer edges of the SU window upon fixing the aspect ratio hence zooming. If you were to change the aspect ratio then fix it a few times in a row, this 'rezooming' would be even more noticeable.

[EDIT] oops
i got a chance to use a computer and i have the above explanation backwards.. the zooming happens with the "Sketchup.active_model.active_view.camera.aspect_ratio=1.5" method then setting it to 0.0 unzooms it.. (re my last sentence: you can't keep zooming in on the drawing like i described)..
regardless, with skindigo, the model stays put and no zooming/unzooming occurs.

thomthom

Ah yea, I've noticed that when you set camera's aspect ratio to be greater than the aspect ratio of the SU viewport, the camera zooms, or shifts. I've reported this as a bug in SU.

With VfSU, I found that setting the V-Ray camera's zoom ratio to be the same as the SU vewport ratio - then the output matches. Odd - but works.

But the camera doesn't shift if you set the aspect ratio to be less than the viewport ratio. If you set it to 1.0 for instance.

What I wonder SKindigo do is that it might not properly reset the aspect ratio - but instead matches the camera aspect ratio tot he SU viewport ratio. After you use SKindigo to reset, what happens if you resize the SU window?

jeff hammond

@thomthom said:

What I wonder SKindigo do is that it might not properly reset the aspect ratio - but instead matches the camera aspect ratio tot he SU viewport ratio. After you use SKindigo to reset, what happens if you resize the SU window?

everything works as expected afterwards..

i think whaat did something with setting the aspect ratio and not the resetting of it?

if i use skindigo to set the aspect ratio then reset via the ruby line using 'Sketchup.active_model.active_view.camera.aspect_ratio=0.0', the model will then zoom out.. i can set the aspect ratio via skindgo then reset using a method other than skindigo and the SU view will infact continue to zoom out

fwiw, in skindigo, it's not asking for an aspect ratio per se.. it's asking for render output dimensions in pixel size (1024x768 etc.).. the grey bars do appear however and resetting with rick's ruby etc does clear the bars.

thomthom

I think I'll have to have a look at Skindigo. sounds like it's correcting SU's odd behaviour. I'm qurious to study the other camera properties to see what's going on.

@unknownuser said:

fwiw, in skindigo, it's not asking for an aspect ratio per se.. it's asking for render output dimensions in pixel size (1024x768 etc.)
So when you set SKindigo's render output to 1024x768, then Sketchup.active_model.active_view.camera.aspect_ratio returns 1.3333, right?

jeff hammond

@thomthom said:

So when you set SKindigo's render output to 1024x768, then Sketchup.active_model.active_view.camera.aspect_ratio returns 1.3333, right?

correct

JD Hill

Update: this bug is still present in SketchUp 8.

jeff hammond

@jd hill said:

Update: this bug is still present in SketchUp 8.

but not in 8.0.481
update

driven

yes it works...

One down,

but it handles, xray oddly when exporting tiff.... with transparency on...

john