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Topics - SAFS

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Hi everybody and Corona Developers,

I'm observing Corona for AC from the beginning and here are some of my thoughts in general:

1. I suggest getting from Graphisoft some precise data on how AC is used - mostly for interior or exteriors?

2. For me doing interiors in AC is a tricky one - the main "core" objects are of course done in AC (walls, windows, floors, wardrobe designs, kitchens etc.) but all "soft" objects just don't work in AC. The reason for that is the performance of the Morph object which can't handle more than around 100 000 faces or makes AC work so slow that further work doesn't make any sense.
All "soft" objects I have to add in other software (like Sketchup) and render there final renders.
So, if you ask me: Do I make interiors in AC? - "Yes" and "no" at the same time! Please watch out on that when asking how AC is used.

3. For me doing exterior renders in AC also does no work for the same reason as in interiors - trees, grass and cars can't be imported to AC mainly because of speed of work.

4. Interiors can't be done with proxy files (this will not make any sense), exterior can be but requires a library of such objects.

5. Architects usually don't have a library of proxy objects.

6. Architects want to put grass, trees and cars quickly into the model without bothering about technical aspects of those objects.

7. Quality of trees is essential. Trees from Twinmotion2020.1 are still so low quality that for me its below being acceptable - Because of that I'm not going to be using this program though its free for AC users now. I can't show to a client a tree looking like toy, even though it has 2-sided leaf material shining in sun.

To get Corona for AC commercially successful:
1. Corona team should consider whether it should focus on interior renders or exterior - I think exterior, because interior will probably never work in AC in a production scale. Interior renders in AC in Corona are of course valuable in early design phase but I can't imagine paining for a render engine to use it only for "test renders".
2. I think AC is mainly used for designing buildings, not interiors. Probably number of potential customers for Corona is definitely bigger in exterior renders.
3. I think Corona team need to focus on a "some-sort-of-proxy-scatter" implementation in AC with a library of objects embedded in Corona. Proxy functionality itself will not work because no one will use it since no architects has proxy files (and probably they will not buy them just because of Corona ability to get them in AC).

Think wide: Give Archicad architects ability to make final renders with all assets, otherwise Corona will be just a tool for making "marvelous quality TEST renders".

Of course, there is going to be several architects and users that will use proxy and render interiors as it is now, but I'm not speaking about 30 indivduals but much more.
Making money for Corona is probably important. Selling 30 (thirty) subscriptions will be easy, selling 30 000 of them will be a huge challenge without a rich proxy library.
Without proxy and scatter for AC Corona is no more than just a next nice render engine for almost useless renders (withut foliage).

The point is that the main problem is not in Corona but in Archicads MORPH tool itself and Corona needs fix it or find a work-around for it to get sold.

PS. Maybe Corona-Mesh-Tool with ability to have millions of poligons in AC ?

1. There are no pink hotspot grips in 2D to set direction of the light
2. In 3D it's impossible to make a light shine vertically, like if You would like to make a LED strip on a wall -
For some reason the pink hotspot jumps upwards when middle of the light is on the same level as the hotspot


First of all - Corona for Archicad is absolutely great, goooooood job ! This is a true game changer, I feel like like I got a Christmas present. Thanks !

There are some bugs I found:
1. AC crashes when editing materials while there is Interactive Rendering going on. I'm not sure when exactly but it happened few times when opening the Surface painter and editing the material by double clicking material in there. I'd say this is a crucial issue to work on.
2. Still the Stop/start rendering does not work stable. Usually stoping rendering by clicking the Stop button does stop rendering but the buttons don't respond. Not always though, its difficult to detemine exactly when.
3. Sometimes Interactive rendering doesnt not refresh the image in the VFB while rendering. Zooming the rendered image in and out helps.
4. There is this empty Confirm window other users reported previously, its still a bug (like when opening the About window, but this happens also in aplying some changes to the render settings)
5. The Save Image window appears and then hides "under Archicad" in Windows when hovering the mouse over "Navigator - Project Map" palette. If I drag the mouse from "Save Image" button over "Info Box" pallete to the Save Image Windowo it works fine. Its not a big issue because it is possible to bring back his window again above the Archicad program.
6. Setup Lightmix does not work at all.
7. Clipping planes does not work at all ( BTW this is a must have, pleeeeease fix this :P !)
8. Open Material library does not workat all.
9. Depth of field does work but the settings of Override focus and focal lenght don't seem to make any difference or is in different units then those set in AC.
10. Proxy Materials are a mistery for me now
11. After changing settings in the VFB, for example Exposure,  pressing the Enter button to confirm change results in selecting an object in Archicad rather than confirming the Exposure change.
12. LightMix settings (when added manualy) are the same across different projects, this can't work this way since every project has different lights.
13. After selecting region in FVB and drawing the rectangle region it still renders the whole image. It renders the region after pressing again the Region button or zooming the rendered image.

AC22 build 4023, Win 10 POL
Corona Renderer for ARCHICAD Alpha 3 (DailyBuild 2018-11-23)
Corona version: 3 (Release Candidate 4)
ARCHICAD version: 22
Full-speed, Wide RGB
Build: 2018-11-23 aaef6d9ca05846777fd5df2b8a8808ac129ebab8

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