? about file size/polygon count
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I know it's important to keep a low file size , which includes polygon count, to keep the model from slowing down and to easily send it to others. Can anyone quantify file size and polygon count, though? Is there a size range you like to stay in -should it be under 10 MB, which is the largest file I believe you can upload to the Warehouse? What about polygon count? When I look at the statistics box, I see all these numbers, but what is the range I should shoot for?
Thanks!
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I have models that are around 100 megabytes. One in general is 130,000 faces which would be about 260k polys? 1200 components and 340 materials. Model takes a little longer to open but acts fine.
I think this is something that will vary by individual to you and your work and your hardware...
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Krisidious -what kind of models do you make that are so large? Are these houses, as I see from your sig? What in them makes them so large? Lots of imported, high-res textures?
I ask because I am specifically wondering what a range for a house should be. No landscaping, mostly just a focus on the interior. Or a size for just one room, like an elaborate kitchen or bath.
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Follow good techniques is your best bet vs worrying about specific numbers. Follow tips here https://sites.google.com/site/sketchupsage/faster
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Mac -thanks for the link, there is good info there. I do a lot of those, but I would like to know if there's a recommended size range for a manageable model (one that focuses on home interiors).
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@rose123 said:
Krisidious -what kind of models do you make that are so large? Are these houses, as I see from your sig? What in them makes them so large? Lots of imported, high-res textures?
I ask because I am specifically wondering what a range for a house should be. No landscaping, mostly just a focus on the interior. Or a size for just one room, like an elaborate kitchen or bath.
Actually that one I described is a car, really 4 cars all in one. However some of my houses get pretty big. normally the culprit on large file size is plants, trees, furniture and land and normally these can be optimized for better use.
Most of my houses end up being under 50 megs.
This building is 42 megs and it's fully furnished.
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Wow, great models! Thanks for the info.
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Thanks... Now it's your turn.
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Actually, file size isn't all that important...except as a general indication of complexity or if you need to email it to someone.
What really counts is the amount of geometry in the model. This translates as the number of nodes/endpoints that SU has to keep track of.
Generally, your faces are going to be quads or tris, with the odd circle or arc thrown in for good measure, so the number of edges tends to be around 4x the number of faces.
There are exceptions, however...like if you decided to model a sycamore tree containing a leaf component that, although it was only a single face, had a nicely detailed outline needing 50 edges. No use congratulating yourself that you modeled a tree with only 2000 faces if it has 100,000 edges. A few of those babies are likely to slow you to a crawl.My general rule of thumb is that in most arch-viz/interior design situations you are unlikely to get closer than about 3 ft from anything in your renders...so detail it accordingly. For interiors which don't require a plan view, I'd tend to use 2D plants. If necessary, stick them in a 3D pot so they interface more convincingly with the floor or tabletop
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Alan -so is it possible to have a low file size, but high in geometry (and hence run slow)?
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@rose123 said:
Alan -so is it possible to have a low file size, but high in geometry (and hence run slow)?
Absolutely, Rose. I started a notorious thread some years ago called Geometry is Everything.
It had a repeated component of an image-mapped Corinthian column...1000 of them if I remember correctly. It was 125Kb...that's Kb not Mb...and killed most people's system stone dead.
EDIT:
Correction. Apparently it was 187Kb...but only 100 columns
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Froze mine up for a bit, too. That's a lot of columns! Ok, I see your point, it's geometry, not file size. Thanks!
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Another one for Krisidious. I'm off to put some columns in it now...
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@rose123 said:
Another one for Krisidious. I'm off to put some columns in it now...
that looks challenging. and decrepit.
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Ok, one more question, if you don't mind! In the statistics I can see the number of edges, faces, etc. Is there a range for that in which a model should fall? Like what would be small vs large?
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Well I would say that once you get past 100,000 faces you're going to star noticing... When you go to rotate around your model view you will notice at some point that SU will make your model into a ghost of itself to rotate more quickly and easily. This is the first clue you're getting too big.
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A ghost of itself? I just get a freeze and the message, "The program is not responding."
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The entire model will change to a type of greyed out, simplistic version of itself often showing a bunch of group/component constraints.
You get program not responding while rotating around the model? Or while performing a function?
One thing about SU, at least the old version, is that while it's thinking you should not attempt to do anything within the software and you might consider not doing anything with your computer period, until it finishes thinking. some plugins that are doing critical calculations use the progressbar.rb to show you what's going on, some don't... You'll learn one indicator is what type of cursor you can see at the time. black for ready to work, white for thinking. Others might be able to shine more light on this for you.
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I think I have a different SketchUp, the low-rent version or something, lol. Don't know about old, I have 8. I've never gotten a different color cursor or a grayed out model. If the file (geometry, whatever) is too big, it just runs slow and then freezes up.
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