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Home About Spotlight Software & Plugins SketchUpArtists 3D Modelers 3D Artists Authors and Books Business Presentations Techniques Design Resources Tips & Tricks Tutorials SketchUp and Blender SketchUp and VRay SketchUp and Kerkythea SketchUp and Photoshop SketchUp and Podium SketchUp and Traditional/Tradigital Drawing SketchUp and Shaderlight SketchUp and Match Photo SketchUp and Piranesi SketchUp and Artlantis SketchUp and Advanced Modeling SketchUp and Matte Painting SketchUp and Maxwell SketchUp and Twilight Render SketchUp and Thea Render SketchUp and LightUp Raylectron for SketchUp SketchUp Styles SketchUp and Visualizer Styles Downloads News Contact Interior Design of a Living Room – SketchUp and VRay Mario Goleš is a very talented interior designer and 3D architectural visualizer, currently working and based in Zagreb, Croatia. He has kindly offered to share this detailed workflow in the production of an interior living room design, in which he uses SketchUp for the model and VRay for the render. There is a lot of good solid information here with many tips to suit all levels of experience. This tutorial can only be described as the ‘How and Why’ of good rendering. Some working knowledge of SketchUp and VRay is needed to follow and understand this tutorial.

Interior Design of a Living Room – SketchUp and v-Ray __ SketchUp 3D Rendering Tutorials by SketchUpArtists

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Page 1: Interior Design of a Living Room – SketchUp and v-Ray __ SketchUp 3D Rendering Tutorials by SketchUpArtists

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Interior Design of a Living Room – SketchUp and V­Ray

Mario Goleš is a very talented interior designerand 3D architectural visualizer, currently working and based in Zagreb, Croatia. He has kindly offered to share this detailed workflow inthe production of an interior living room design, in which he uses SketchUp for the model and V­Ray for the render. There is a lot ofgood solid information here with many tips to suit all levels of experience. This tutorial can only be described as the ‘How and Why’ ofgood rendering. Some working knowledge of SketchUp and V­Ray is needed to follow and understand this tutorial.

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In this tutorial, I will explain my workflow in aproject I called “Interior Design of a Living Room”. As you all know, making such a project requires a certain amount of knowledgeand experience in the CG industry, as well as in interior design, so I will cover only what I believe people commonly have most troublewith. This will include texturing, lighting and the rendering processes. First, I want you to notice that this project have been created inSketchUp. The rendering engine I used for the final visualization was V­Ray. I also using predefined materials (.vismat files); I oftenuse these in my projects, downloaded from “Chaos Group”, “Visual Dynamics” and “Flying Architecture” web sites. I am sure with alittle patience you could find some more web sites, from where you can download “.vismat” files. I have also used several 3D modelsdownloaded from the 3D Warehouse. The others I just modeled by myself. For lighting techniques, I used HDRI images that you canalso find on the Internet. Some of them are free to download but if you’re needs are of a more professional nature (your professionalwork), I suggest you invest in buying quality texture images and even 3D models. Before I explain my workflow, I just want to mentiona few important points that I believe are crucial in achieving a good 3D render, and are far more important than just following aworkflow explanation.

1. Many people ask me about “V­Ray” options (.visopt file), and how I set up the rendering parameters, expecting that if they do thesame they will get a realistic image. You have to understand that any rendering engine, including “V­Ray”, does nothing else butwhat is based on your parameters setup. It calculates how light travels through your scene and it bounces from different surfaces,in order to potentially get a realistic image. Due to this, almost all its parameters are about setting different light calculationmethods. Therefore, if you set its parameters correctly you will get nothing else but nice lighting. To achieve realism in yourvisualizations, you will have to take care about several other things, which are no more less important than proper setting of yourrendering options.

2. Try to have your object geometry as clean as possible. Clean unnecessary edges (lines), weld those that are in the same direction,have surfaces properly oriented (always facing a camera), etc. Have your objects in proper scale according to each other as wellas according to the real world.

3. When using 3D models downloaded from the 3D Warehouse or any other similar website, try to use those that look realistic andcorrectly modeled. Give yourself time to look for “good” ones. If you cannot find it, try to model it by yourself, instead of havinga “bad” one in you project. Non­realistic models (not in scale, the way they are modeled or “bad” textures, etc.) will certainly notlead you to the result you are looking for.

4. One of the most important parts of achieving realism in your visualizations is texturing. If you apply textures properly to yourobjects and use realistic texture images, with special care to its size, you will be half way there to your desired result. You canfind many web sites from which you can download nice texture images. I often use “Arroway Textures” or textures downloadedfrom “SketchUp Texture Warehouse” web site. Most importantly is the size of your texture images, that it is properly scaled tothe real world. This can of course result in having huge image textures for some objects, but you can still compensate with theother ones. For example, if you have large surface like parquet floor, where you do not want repeating tiles to be recognized, youwill have to use a large texture image. However, if you want ceramic tiles of a certain color on your floor, you could use muchsmaller texture image, which covers only one tile. Anyway, you should make sure that the size of your texture image is in proper(realistic) scale to the real world.

Note: If you apply materials that have texture images properly scaled to your objects, very often only default rendering options will beenough to get a nice image. If you follow the above mentioned facts, as well as you additionally organizing your projects properly (e.g.in layers, groups, components, etc.), you will find your work in SketchUp easy and you will achieve the desired results with noproblems, not to mention that the rendering process will be much easier and faster with a realistic result. WORKFLOW 1.Texturing As explained before, it is necessary to use real world scaled textures in order to achieve realism. It also requires that suchmaterials are properly assigned to different surfaces of any object in your scene. What quite often happens is that 3D models that we usefrom web sites have incorrect texture mapping or we want to change their default materials. In this case, we often find ourselves havingnon realistic materials applied. To avoid this problem we will use projected textures. The following example shows how to applyprojected materials to the lounge sofa.

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Rectangle with projected leather material at correct angle ready for sampling

Sample projected material and paint on to selected seat cover

Rectangle with projected leather material at correct angle ready for sampling

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Select all head rest geometry and paint with projected material

Rectangle with projected wood material at correct angle ready for sampling

Select seat geometry and paint with projected material

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Chair textures completed

As shown in the above images you will continue to apply projected textures to all other objects in your project, which you havedownloaded from 3D warehouse which contain wrong texture mapping. For objects with flat surfaces, you apply materials as you areused to in SketchUp, just take good care on the size of textures and be sure they look realistic (e.g. real world scale). The followingexample shows the carpet texture size, so it looks realistic and has a proper scale for our model.

Carpet texture size

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V­Ray material editor settings

Notice that this texture image is 1808 x 1200 pixels, even though, the settings in the SketchUp material browser show its size at 63,50cm x 24,15 cm. It doesn’t matter what the scale is, that you set up in the material browser, as long as it is the correct aspect ratio to theimported texture image. You can scale any texture to whatever size, as long as it looks realistic to you. 2. Lighting After modeling,texturing and setting the Physical camera Still Camera type view, we want to set the desired lighting of our scene. The best way ofdoing this, is to overwrite all materials with light gray color. White color is to strong and pure white does not exist in the real world.Closest to pure white is crystal­clear snow, but still it is not perfectly white. We will do this by setting V­Ray Global Switches“Override materials” parameter to TRUE, and select “Override color” to something like RGB value of 200.200.200.

Override colors

By doing this, all the materials in our scene will be overwritten with this color, with exception of those ones that have the “Can beOverridden” parameter set to FALSE. This parameter option will be set in V­Ray material browser, for each particular material. Usuallywe have to set this parameter to FALSE for all window glass objects, if we want to use a daylight system for lighting the scene.Otherwise, the sun light will not be able to enter our scene through the windows and our scene could become completely dark.

Glass setting with ‘Can be Overridden’ un­checked

V­Ray uses its default sun for daylight system lighting, but we can also use HDRI images instead. By using HDRI images, we can geteven better results for achieving realism of our renders. Notice that this will affect only our scene lighting, as we explained before. Youwill still have to have proper materials setup as well as apply them correctly. In this particular project, I have used the following HDRIimage setup for lighting my scene.

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HDRI image setup

Beside all others, adjusting the following V­Ray parameters should enough to set proper lighting in most of your scenes. You willnotice that these parameters work exactly like on any digital photo camera. Therefore, if you have any experience with digitalphotography it will be easier for you to understand the adjustments and the way they affect lighting in your render. a) Shutter speed –(Value represents a fractions of a second. Therefore, value of 50 for example, will represent 1/50 of a second. This means that yourscene will be brighter than if you set this value to 100, as in this case, the shutter on your camera will stay open for a longer period andtherefore more light will get into it.) b) Film Speed (ISO) – (Often used as a quick dial for exposure changes in the scene. High numberswill make your scene brighter as lower numbers will make it darker. If we increase its value on digital cameras, our image will sufferfrom significant amount of noise. Luckily, this is not the case with V­Ray Physical camera. c) F­Number – (This parameterhandles/controls the size of your virtual aperture. Small numbers represents a larger aperture (larger opening) in your camera, which inturn allows more light in, that will in turn give us a brighter images. Adjusting these three parameters, you will be able to control thebrightness of your rendered image. Remember also that these three options will work as explained only if the Physical Camera“Exposure” parameter is set to TRUE.

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Camera setup

The other option that will take into account is the setting of “Color Mapping” type. Each of type that you select will have its owncalculation method behind it, and each of them has its own pluses and minuses, depending on what you want to get as a result. Refer toother V­Ray tutorials in order to understand how each offered color mapping type affects your rendering. For this particular project, Iused “Reinhard type”. You will notice that by choosing the Reinhard color mapping type, several other parameters become available foradjusting. The two most important ones, which you might want to adjust, are the “Multiplier” and the “Burn value”. “Burn value” willallow you to adjust the value of the brightest area in your scene, and with the “Multiplier” you will be able to control the darkest area.Adjusting these options will enable you to control how bright or dark the brightest and darkest parts of your image will be. Logically ifyou decrease Burn value, your render will result with less burn in brightest area as well as if you increase its value, your render willhave more burn in brightest area of the image. Once we have setup lighting options for our scene, we can try to render the overridecolors image.

Override colors image render

If you are satisfied with the result,you can now un­check “Override materials” option in V­Ray “Global switches” option group and tryto render your image again.

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Final render

3. Render Parameters Setup The following V­Ray options have been used in this particular project, in order to get the final result.

V­Ray settings 1

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V­Ray settings 4

Thanks for reading, hope you guys liked it, it´s always good to share knowledge with you. Mario Goleš

New eBook SketchUp to Layout

Matt Donley's 'SketchUp to Layout' is the essential guide to creating construction documents with SketchUp Pro & Layout. Nowupdated for SketchUp 2015!!!

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StylesA clever way to enhance your final presentations is with the use of SketchUp Styles. Styles are collections of display settings. You canalso use Style Builder to create custom non­photorealistic (NPR) Styles for SketchUp. NPR Styles can make your models appear hand­rendered, super­technical, and everything in between......Read

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5 Responses to “Interior Design of a Living Room – SketchUp and V­Ray”

1. RFK on May 26th, 2014 1:27 pm

Tx sir for …nice info.. ^_^

2. Haries on May 28th, 2014 3:41 pm

This is master class Thanks…

3. Interior Design of a Living Room – SketchUp & V­Ray by Mario Goleš :: SketchUp 3D Rendering Tutorials by SketchUpArtistson July 21st, 2014 2:41 pm

[…] Mario Goleš […]

4. Kylie kho on October 7th, 2014 7:03 am

Good work. Incredibly done, thanks!

5. Rainier on November 13th, 2014 7:32 pm

EXCELENTE TUTORIAL tendrás algún otro tutorial o alguna web donde poder ver tus trabajos o tutoriales?

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