Creating a template scene for furniture rendering

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7 Sep, 2013 Maksim
7 Sep, 2013 # Re: Creating a template scene for furniture rendering

Hello dear portal RenderStuff!
First of all, I would like to thank you for the tremendous amount of work on literacy in V-Ray. Your articles touch on profound aspects, and all this in a simple and accessible language😉 I use your optimal settings for 2 years, created comfortable presets based on them, so most renderers happen in 2 clicks 🙂

Recently I started to visualize furniture sets for the interior (kitchens, upholstered furniture, cabinet furniture, bedroom furniture, etc. But since there are a lot of sets, and the tasks are about the same, I thought about creating template scenes that are suitable for batch rendering of already created scenes .

The first task is to create a render of individual elements and render assemblies in the collection (unfortunately I did not find the renderers in the assembly, but I think the essence will be clear). In the picture of course this is all poor, I need some reflections in the objects, the visibility of the texture of the tree, the clarity of the volume. In general, as in the photo studio: that there was a filling, drawing, modeling, outline and background light. Interested questions: 1) What should the studio look like? It should be a plate, a rounded corner under 90 degrees, a dome with holes on top under the hdri or still better simulate the room. I would like such tasks to be feasible: the object from all angles was on a homogeneous background (for the convenience of cutting into png together with the falling shadow and reflection on the floor), but in the object itself there would be an interesting game of highlights and chiaroscuro, it looked realistic , As if standing in the interior, and on the floor from it would fall a reflection and a shadow. 2) How should the light sources be arranged? It is supposed to imitate the light of the photostudio with all the above sources of light, some should have different gamma to create a warmer / colder color (then it is planned to scatter warm and cold light on the layers.




The second task is to create a render of the set in the interior (as in the photo). Here the question is one: is the game worthwhile with the studio of the candles, or is it easier to render the region elements in the already finished interior, and more realistic than in the interior in the production studio is not achieved? In this situation, there are disadvantages: inconvenience of excision plus the undesirable creation of unrealistic shadows and reflections in Photoshop, so I still wanted to clarify the first option.




Since I see you have a lot of amazing visualizations of separately standing objects, I think you like no one else can give me valuable advice.
Well, if I write to you, I would like to ask: are the renders good in the photo? (Sorry for offtopic, just answer if it does not complicate, and then the customer says that the last century, maybe just a price stuff :🙂
I know that I ask a lot by volume, but to be brief, the essence of my question is: how to create a better imitation of a photo studio for visualizing interior furniture and whether it is worth creating it? I think the answer to the question will be interesting to many members of the forum who are engaged in visualization of furniture.
I will be very glad to hear your answer😉



8 Sep, 2013 Anton (Staff Author)
8 Sep, 2013 # Re: Creating a template scene for furniture rendering

Hello!

On the first task, it is quite a rasskotranennaya need. We once had an order, render more than 300 furniture modules, to decorate the shop window selling expensive author's furniture. Of course, each time to make a new studio was not at all rational. Therefore, I took several furniture modules, the most typical ones, and set up scenes for them. Light, background, contrast and so on. After that, he coordinated them with the customer, making the necessary adjustments to his comments, thus obtaining startup studios, for each type (soft, wooden, with glass, large, small, etc.) furniture. All the subsequent objects, I just posted in these studios, as you say, for "batch render".

However, do not expect that you can create a universal studio, in which all objects will be rendered equally well. For example, a rectangular reflector that draws a glare on a long sofa can completely absurdly impose it on a shape, say the same sofa, but a corner sofa. As a result, you will inevitably have to adapt the start-up studio to a new form and so in almost every case. It's just wonderful, if at least 30% of the objects, get rendered "as it should" without adapting the studio. So, if you expect to get a studio in which any object will equally well be rendered - then forget this idea. It's impossible. If this were real, then there would be no artistic photography, on the portrait, not the subject. There would be "starting" sets of equipment for perfect shooting. I bought such a package, unpacked it, took out the instruction, put light bulbs on it, put a tripod with the camera at the indicated point and riveted professional photos with a conveyor belt😁

Going directly to the heart of the matter, namely, to the fact that you would like us to publish an analog of the universal settings of V-Ray, in the form of a finished studio, for the object visualization that you download, use your cabinet and press Shift + Q, get Perfectly illuminated object on the right background, then we do not have such a studio. As I wrote above, the studio, which is equally suitable for a vase, cabinet or lawn mower, in principle, does not exist. These are all different studios, although visually all of them can have the same background (black, white, etc.). Under each type of object, and even under each individual object, you have to make a new studio, literally "drawing" glare on the surfaces of the object, selecting the brightness of the lighting so as not to set fire or vice versa to get much dark details, as well as changing the size and distance of the shadow sources Light, adjusting the size and softness of the shadows. More details about this you can read in the topic "Setting up Vray for object (studio) visualization." There is considered literally the approach to setting up the scene that you need.

The only way to help you with the minimum amount of time for you personally is if you send us a couple of sample items that you're going to see, and we'll set up studios for each of them. But this approach, to put it mildly, completely leaves the humanitarian part of the site and goes into commercial. We do not consider individual commercial issues within the framework of RenderStuff.

Regarding the second option, then everything depends on your skill as a photoshopper. For example, we know of cases when RealEstate brokers, in particular it is raskotrono in England, do not see interiors at all. They go to the house, which was going to put up for sale, fotkayut interior in the desired angle. The office comes directly from cliparts, for example from scans of magazines, cut out the necessary furniture and decor items, and then as an application impose them on a photo, of course I adhere to the scale and perspective, as far as possible with the carved object. And so banally forced to take a picture of an empty room with furniture, lighting, vases, carpets, fireplaces, etc. And I'll tell you, it's very cool, sometimes you do not immediately realize that this is not a render or even a photo. And only when they can not find the desired object, in the proper foreshortening, they turn to 3d visualization. As a rule, they are asked to render only this object in a particular foreshortening, then to paste it into a picture, like a clipart.

Personally, I would not render different modules in the same interior, counting the entire interior. I would have rendered an empty interior. He photographed it. After that, I would take this scene and exclude (Visible to Camera) all the interior objects from the franchise. Then, I would put in the desired piece of furniture, and the wall (walls) and the floor would make the acceptors of shadows and reflections, thus getting renderers with shadow and reflections, on a transparent background. After that, it would simply paste this render onto the previously prepared blank interior, where you need to adjust the color and contrast of the furniture so that it fits best in the interior. Otherwise, if you decide to render the entire interior, then you will have to retouch not only the next new furniture module, but the interior itself, for each new visa. Of course, if you plan to use post-processing renderer, which, as practice shows, is actual even for the pipeline😁

Regarding the evaluation of your visa, for this we have a separate topic😉



7 Sep, 2013 Maksim
9 Sep, 2013 # Re: Creating a template scene for furniture rendering
Thanks for the reply 🙂 In general, as an option can be removed from the chamber interior visibility, and put under the plane of the object with the assigned material Wrapper ... But there's a catch. It will be seen the transition from the shadows of the interior to the exterior, especially it will be noticeable in the place of the thickness of the walls - there will be a black spot. If you act on such a plan, is it possible to achieve the desired result?


8 Sep, 2013 Anton (Staff Author)
10 Sep, 2013 # Re: Creating a template scene for furniture rendering
Hello! Do gender specific object, like a wall which is adjacent to a furniture unit. You can not just bring these planes acceptors to the boundaries of the interior of the box. In any case, without wipe away the shadows and in the 2D editor color correction can not do, at least if you cook is really a quality product, not just the excuse for the employer / customer.


29 May, 2014 Nikita
29 May, 2014 # Re: Creating a template scene for furniture rendering
Probably I think that it's much easier, HDR environment and the bottom plane of maximum 2-3 light source. HDR natural interior that's all.


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