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Messages - leceta

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[ARCHICAD] Feature Requests / Re: Scattering System
« on: 2020-01-08, 19:30:29 »
Nice to hear this. for exterior achviz shots, an efficient scattering system has become a must nowadays.
first is first, of course! lets keep on with the great job!

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Please, keep going, you can imagine as engineers, we don't have enough information about your workflow, or insight on how architects are using AC in general.

we architects use ArchiCAD as a 3D modeling and documentation software. Nowadays we cant manage complex, high poly exterior scenes (vegetation) in Archicad, so we need to adopt other software to achieve high-quality 3d images. Without corona proxies, there is no clue for general adoption of Archicad as a rendering tool. Corona has the potential to import all the advanced rendering goodies (proxies, scattering system, procedural textures, batch renders, distributed renders,...) to Archicad. Almost all of these features are a must-have to compete with any traditional rendering environment.

Ideally, corona proxies should behave exactly as GDL objects do, id est, in particular with the ability to represent various geometry entities depending of context (we need a tree to be represented in a particular manner in a plan view, and no, just a 2D projection of the 3D geometry will not work, usually a representation of a vegetation or a furniture is dictated by some standards, not an artistic option). When looking at Archicad 3D views, this proxies should be represented in a stylized manner (probably low-poly) and it should be represented high-poly when rendering (well, this is the main reason for using proxies, a responsive work environment. Sure, also low ram memory and blah-blah...)

Hope if this clarifies and (this) architect point of view.

thanks and keep on the great work!

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[ARCHICAD] Feature Requests / Re: Scattering System
« on: 2019-12-26, 18:32:44 »
I don't see corona´s scattering system as a planned feature in the roadmap. Is it there a technical reason to not consider this key feature? Nowadays is usual to use tons of vegetal instances in an exterior archviz...
Maybe I´m missing something...

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Where can we find the link for alpha 4? roadmap at trello says that it was released yesterday (2019-10-07), but I don't see a download link anywhere...
thanks

EDIT: Ok. Founded here. https://forum.corona-renderer.com/index.php?topic=26435.0

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true, this is a significant limitation... Hope you can implement an alternative!

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[ARCHICAD] Feature Requests / Scattering System
« on: 2019-01-21, 19:02:45 »
I wrongly published a wish post in "general" forum. It is about Corona Scatter, but we have also had spoken about grasshopper integration via coronProxy GDL object...
Here is the post, maybe could be moved to this forum...

https://forum.corona-renderer.com/index.php?topic=23060.0

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I don't know why ArchiCAD itself doesn't have this capability in any of it's render engine options, but the ability to shoot off a batch render and set of views to render in sequence (while you go to sleep or go for lunch or coffee) would be great.
It could work through the ArchiCAD's View Map where you select views and save them with the render settings (including image size, environment settings and whatnot) and then you could just specify where to save the rendered views when each is done.
Super-useful.

archicad has already implemented this functionality. You need to use "views" and "publisher". I have tested batch rendering succesfully. This method works potentially with any rendering engine.

1- set corona as the current render engine and create a Scene Set limiting rendering time (otherwise when publishing it will take forever) see image 1
2- Create 3d views, with "Generate in" settting set to "Photorendering Window" and "Rendering Scene" to previously generated one. see img 2
3- Publish your views as jpg images img 3


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indeed, 3dsmax with corona is taking 500mb for the same amount of instances using corona scatter.

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1000 instances , 300.000 polys each instance, 20gb Ram, 800*600 render size

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raffe3003, I have successfully batch rendered corona images from ArchiCAD using the method explained before. Maybe you didn't wait enough time, rendering appears after the "black window" after a while (it takes some time, too much seems to me...)

it is important to establish a render time limit in a custom "render scene" inside "photorendering settings", otherwise publisher will get stuck with the first rendering.

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By the way, I found that with minimum modification "coronaProxy.gsm" object work pretty well with Grasshopper connection plugin. see image 1 for the GDL modification needed.

This workflow is a good poor  alternative for scattering objects all over the place using Grasshopper for controlling scale, rotation, preview style or even source file for each scattered instance. Response time are pretty good between GH and ACH, Tried with 1000 tress.

Corona Developers could by default add the boolean parameter "ParamcontrolByGrasshopper" to their coronaProxy.gsm objects, in order to be used directly without the need of any GDL tweaking.


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1- set corona as the current render engine and create a Scene Set limiting rendering time (otherwise when publishing it will take forever) see image 1
2- Create 3d views, with "Generate in" set to "Photorendering Window" and "Rendering Scene" to previously generated one. see img 2
3- Publish your views as jpg images img 3

done!




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My bad, I didnt check that corona render also work with the usual rendering workflows. This is great.

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attached an image to illustrate some issues commented previously.

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