Getting Started Rendering in Vray (EP 7) - RENDERING WITH VRAY PROXIES in SketchUp
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- Опубликовано: 15 июл 2024
- In this Vray 3.6 for SketchUp tutorial, learn to use Vray proxies to create high quality renderings with high polygon models without slowing down your SketchUp models!
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In today's video, we're going to talk about using Vray proxies to speed up your rendering models.
Basically, a proxy is a replacement within your model that is used to take the place of a high polygon model. This can be especially useful because SketchUp doesn't always handle very high polygon models very well. However, that being said, usually the most realistic models for rendering are also high polygon, so we can use proxies to bring those items into our renderings without having to bring them into SketchUp.
Vray allows you to export your object as a proxy file, will import as a normal mesh at render time only.
Let’s say, for example, that we want to render these 3 trees (trees are from Skatter’s model library). They’re very detailed, and contain a LOT of geometry. If you look at the model size for just these 3 trees, it’s over 61 MB. If we were to add a lot of these trees, our SketchUp model would quickly become unusable from just the amount of geometry in the trees.
I do want to note that Skatter also has some built-in tools for creating render only models that we’ll discuss in a future video. However, in this case, I want to focus specifically on Vray Proxies.
What I want to do is export each one of these trees to a render proxy model (or a VRMesh file). That way, when we create our render, Vray can reference these models, but without all of the geometry being in our actual model.
When we click the create Vray proxy button, we’re going to be given a series of options. These will affect the size of the object that’s left in your model once you export your proxy. Basically, they allow you to pick how realistic the proxy that’s left is.
You basically are given 3 options for how the proxy is created.
Face Skipping - This is the fastest and lightest weight proxy you can create. It will simply display random faces from your original mesh.
Vertex Clustering - This method uses a grid to reduce the amount of geometry in your proxy model. It doesn’t necessarily keep all the fine details, but creates a decent approximation of your object.
Refined Clustering - This is a two step process within Vray - it uses vertex clustering to start your proxy creation, then finishes your proxy off with an algorithm. This creates the most detailed proxies, but also the slowest.
You can also adjust the number of number of faces created in your proxy using the proxy slider.
Overwrite existing files allows you to save over any mesh file that might exist in your model in the location you’re trying to save.
Replace object with proxy will swap out your selected geometry with your proxy. Otherwise, this will create your Vrmesh, but it won’t remove the base geometry from your model.
You can adjust the way that your proxies preview in your Vray asset editor - there are options for
Proxy Preview - Shows your proxies exactly as you created them
Whole Mesh - Displays the original object geometry within your model. Note that this can be very slow
Bounding Box - this creates a box within the boundary of the object group - it’s basically good for showing the location of your proxies without showing your details
Point (Origin) - shows basically 4 points at the boundary of your proxy, as well as the proxy origin point of the axes
Custom Preview - theoretically the idea behind this one is to allow you to change the proxy file without updating the preview geometry
Note that you can also import proxy objects into your models in much the same way that you can import components, allowing you to create a library of objects that you can import later. However, you’re also going to need to export your materials for import into your object in the future. I’m going to cover this in my next video. 
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thanks for the great tutorial. Making the easier understanding of V Ray complexity. And the sequels of 7 tutorials focused on V-Ray helps to not miss anything.
Yeah landscape renderings! Thanks for your Great work! You Are the best Teacher out there❤️
Thanks very much!
Wish I had known this years ago!
I think this is one of the most helpful tips for those who don't have a powerful setup!
Thank you very much!!!!
Glad it was helpful!
Thank you, Thank you, THANK YOU!!!!! You have helped me on my journey more than you'll ever know 🥰
Happy to help!
Great tutorial, thank you!
Glad it was helpful!
Definitely. Would love to see it.
Sweet - here you go! ruclips.net/video/Gz5F97Ym4wk/видео.html&lc=UgzrHIic8GBq6ANN7sJ4AaABAg
BEST OF THE BEST!!! Thank you so much
You're welcome!
Very helpful, thanks a lot!
Glad it helped!
I loved the video. I definately learned a lot! I have to make a landscape animation at the moment and my customer doesn't like 2d trees in it. You mentioned, that you think Proxies don't work in animations texture-wise if they aren't coming from another programm like 3d max if I got you right. Well I am only using Sketchup and Vray. Does it work to use Proxies for animations in Sketchup with vray because without proxies my computer is shutting down...I would love to have advice :)
Hey Justin, thanks a lot for your videos they are really helpful.. I'm interested in seeing tutorials for exterior rendering if possible. thanks!
Thanks for the feedback!
Is there any exterior rending lesson via vray with well explained using how to show reflection and use of lights???
Awesome, Thank you
:)
Good explanatión...thanks.
Proxy cant changd it to normal model Right?
THANK YOU SOO MUCH
You're welcome!
Verry interesting! Does it also works for complex forms like cars?
Basically anything that's a component within SketchUp, so it should!
Hi Justin, Im a landscaper using vray and your videos to take my designs to the next level and would love some landscaping tutorials! Im building my own plantmodels which works great, but without proxy my skatter output is getting to much for sketchup..
Sounds good! I'd like to do a Skatter and Vray tutorial pretty soon - thanks!
Hi Justin, I would definitely like to see more landscaping tutorials with or without render engines like Vray or Scatter. Thnx!
Thanks for the comment! I'd like to do some more of both, so stay tuned! Thanks!
why is it that when i apply vray bricks to my models they come out as proxy symbols(the one w/ v symbol but w/ color) and not the brick itself. i only noticed this w/ bricks.
Would this work on vray 3.4, I know I'm a bit backward but that's all my device can work with currently
Hey Justin, always love your videos! You just mentioned that you could make animations with the Proxys but you need a different software to do that? I saw a video that Chaos Group made with Vray, where a bunch of trees are "jittering" throughout a timelapse animation. Wondering how that's possible, can you make a video on that? Thanks!!
Hmmm...not 100% sure how they're achieving this affect - would have to look at the actual video...
Thanks for the tutorial. But for trees best to have at least indicative trunk.
Hi, anybody knows why exporting proxy to sketchup in scales alot, like 10x times bigger?
hi why i can not rander procxy file ?
tell me please 🙏
if i use that proxy agin in another file how?
I am looking into V-ray, but I am still confused on where to get vegetation such as trees/bushes/plants/etc. And once you do obtain models of these, does v-ray have textures such as leaves and tree trunks/tree branches, or do you have to find custom textures to import? So mainly my questions are, where is the best places to get vegetation models (I am ok with free options, but I wouldn't mind paid options since they are usually higher quality...and once I found models to import as fully detailed or proxy's, how do I assign the materials using v-ray, and are they inside of v-ray or do I have to find custom external material sources?
Maybe start with this video? ruclips.net/video/lOvx1NqJAC0/видео.html
I don't know if you're still checking comments, but I hope so. When I export a tree to a proxy object, it doesn't render like it should. Instead, it also renders the simplified "boxes" around the leaves that you can see in the proxy model. It does this with a few different tree models I tried. What is going wrong?
Yep - where did you get your tree model? It sounds like you might have used one of those 3D Warehouse models with a bunch of flat leaf images for leaves?
@@TheRenderingEssentials Actually it isn't one of those...VRay doesn't seem to play nice with those versions. One model, for example, is "Broadleaf Tree 4" from the warehouse which has all modeled geometry for the leaves.
HI Justin, thank you for many usefull recommendations....What I can not understand, and I can not find any solution, what is wrong with undo in sketchup installing vray 4.... and higher, it will really kill me! it doesn´t work anymore, maybe one step backwards, mo more :(((((((..... Any solution? thanks a lot.....
I don't know what this means...
1: how can I get the vray proxy menu ,plus i have vray 3.4 !
I don't know how that worked in version 3.4 - obviously it must be in a different place...
i want to know why my trees look like something is wrong with its color. it is not green and the shape is not the same as what i see in model. kinda like some group of papers
Did I not talk about this in the video? They look like paper because they're low poly proxies...
sir whats your desktop specifications plz
www.therenderingessentials.com/mypc
Justin: how can I create my own models for future use, like chairs windows and so on, then import them off a folder on my pc for future use
no video on that
Wouldn't you just import them into your SketchUp model?
I adore you! never take that hat off please
Lol - I love the hat - it's sticking around
not gonna lie, ur voice sounds like the Heath ledger joker
How can we get skatter tool for free
You can't - it's a paid extension
@@TheRenderingEssentials is there any lesson for exterior rendering with landscaping
if i use that proxy agin in another file how?