V-Ray RT for SketchUp Tutorial: Hand-made Model Style Rendering
Fox Renderfarm, a powerful but affordable render farm, will introduce to you a share from ArchStudio on the rendering of the hand-made model style made with V-Ray RT for SketchUp. The design inspiration comes from the design drawings of a country house.
Model-style renderings refer to making a model through 3D software and rendering it through a renderer and drawing an effect similar to manual model making in a computer. Compared with the method of making a real solid model and then taking a later photo, this method not only can save a lot of time and energy and model cost, but also facilitate us to modify the program itself in real-time according to the performance results (of course, this is only for performance, and the role of the solid model making itself in architectural education is still irreplaceable).
Among the current major firms and rendering companies, Penda is undoubtedly the leader of this style. Almost every scheme on Penda's official website will have several renderings of this model style, and the purple villain that often appears in it has also become one of Penda's logos.
Although this kind of graphic expression is not a common method of traditional architectural expression, as an excellent expression, it is still worthy of our study and reference to its techniques.
STEP 1: Drawing analysis
Whether it is the model drawing we finally made or a series of drawings made by Penda, we can summarize several characteristics of model style drawings through observation.
Unlike the lighting that simulates the natural environment (sun, ambient light, etc.) in real realistic rendering, the model-style drawings create an indoor lighting effect similar to the studio model photo room. Most of the environment is brighter white light. The shadow of the model itself is also very soft.
Different from other expressions, the material of the model style is very simple. Basically, it is the materials we usually make models, such as wood, PVC, glass, metal, etc.
- Model scale
Of course, in addition to the unique lighting and materials of the model, the model style needs to be expressed with the help of the unique model size. For example, in the above drawings, in addition to its own architectural model, the metal villain, the CAD drawings underneath, scattered wooden strips, etc., remind the reader that this is a model-scale rendering, and the sense of the model should also be applied. Born.
STEP 2: Modeling and rendering
The production of the model itself is very simple. These are very simple farmhouse designs, so try to enrich the details in Revit.
Then import the model into SketchUp and add basic textures. In order to better show the details, you can remove the wall and tile roof on the east side, so that the final renderings can directly see part of the interior.
According to the previous analysis, the first problem to be solved first is the problem of lighting. As I said just now, the model style effect picture is an indoor lighting effect similar to the studio model photo room, so the light in the renderer can be as long as the actual lighting method when taking pictures of the model. Personally, I am most used to a method called three-point lighting. Similar to the shooting of the model in the figure below, there is a main light source for the main lighting, a supplementary light source for supplementary lighting, and a supplementary light source for softening shadows.
The actual arrangement in the model is shown in the following figure. Of course, the fine-tuning of the specific light position and the setting of the light intensity still need to be continuously adjusted in conjunction with V-Ray RT real-time rendering.
Then comes the material. The process of model style rendering is very simple, as long as you use a few simple model materials.
For wood, you can choose the official wood material
Create a new color correction, copy the previously cut texture into the texture, and then change the following parameters to get different colors of wood. There is no need to modify the map in PS before importing it into SketchUp, which can greatly speed up work efficiency.
Finally, you need to modify the model size. In addition to the metal villain placed in the previous modeling process, the most notable feature in this drawing is the CAD base map below. This process is very simple. The basic line drawing is completed in CAD, and it is poured into AI to complete the modification of the line type and the filling of the basic material.
Export a transparent PNG image with only line drafts, then import SketchUp, and pour this PNG image. You can first pull this drawing up to a certain height, according to the location of the building, enter the top view for alignment.
In the process of performing this operation, if you find that the picture is very blurry and cannot be aligned, you need to check whether the maximum texture size in the preference is turned on, and if not, you need to check it.
Finally, you only need to move this image to a very small height (such as 1mm) on the model ground in the Z direction. This is to avoid possible rendering problems caused by the SketchUp heavy surface, and you can then render it.
STEP 3: Post-production
The post-production is very simple, because the color of the rendered paper is a bit dark, and the contrast is not strong enough.
Simply use camera raw to change the lower exposure value and increase the lower contrast, the final effect will be just fine.
Fox Renderfarm Launches GPU Rendering
Rendering and previewing in a flash! The craze for Marvel’s superhero movie Deadpool swept over the world.
As the first full CGI realistic human feature film in Asia, Legend of Ravaging Dynasties dominated the headlines once the trailer came out. These two movies were rendered with GPU rendering engines.
Obviously, GPU computing card and GPU rendering engines are gradually used in film production. It is a good start!
Now, as the leading render farm in the industry, Fox Renderfarm launches GPU rendering. Let’s start free trial with Fox Renderfarm’s GPU rendering.
Let’s get it started!
What’s the differences between GPU and CPU?
A simple way to understand the difference between a CPU and GPU is to compare how they process tasks. A CPU consists of a few cores optimized for sequential serial processing, while a GPU has a massively parallel architecture consisting of thousands of smaller, more efficient cores designed for handling multiple tasks simultaneously.
Adam Savage and Jamie Hyneman made a painting demonstration to show the difference between CPU and GPU:
Mythbusters Demo GPU versus CPU
What’s the advantage of GPU Rendering ?
In the field of graphics rendering, not only films and animations, but also CG art, GPU with its computing ability and architecture specially designed for graphics acceleration provides the users with a more efficient rendering solution, namely the GPU rendering solution. GPU rendering has great advantage of fast speed and low cost. Moreover, GPU rendering becomes more and more available now, lots of works with high quality rendered with GPU has come out. GPU rendering tends to be popular with users at home and abroad.
Thinking of the CPU as the manager of a factory, thoughtfully making tough decisions. GPU, on the other hand, is more like an entire group of workers at the factory. While they can’t do the same type of computing, they can handle many, many more tasks at once without becoming overwhelmed. Many rendering tasks are the kind of repetitive, brute-force functions GPUs are good at. Plus, you can stack several GPUs into one computer. This all means GPU systems can often render much, much faster!
There is also a huge advantage that comes along in CG production. GPU rendering is so fast it can often provide real-time feedback while working. No more going to get a cup of coffee while your preview render chugs away. You can see material and lighting changes happen before your eyes.
GPU Renderer 1.Redshift is the world’s first fully GPU-accelerated, biased renderer and it is also the most popular GPU renderer. Redshift uses approximation and interpolation techniques to achieve noise-free results with relatively few samples, making it much faster than unbiased rendering. From rendering effects, Redshift can reach the highest level of GPU rendering, and render high quality movie-level images.
2.Blender Cycles is Blender’s ray-trace based and unbiased rendering engine that offers stunning ultra-realistic rendering. Cycles can be used as part of Blender and as stand-alone, making it a perfect solution for massive rendering on clusters or at cloud providers.
3.NVIDIA Iray is a highly interactive and intuitive, physically based rendering solution. NVIDIA Iray rendering simulates real world lighting and practical material definitions so that anyone can interactively design and create the most complex of scenes. Iray provides multiple rendering modes addressing a spectrum of use cases requiring realtime and interactive feedback to physically based, photorealistic visualizations.
4.OctaneRender is the world’s first and fastest GPU-accelerated, unbiased, physically correct renderer. It means that Octane uses the graphics card in your computer to render photo-realistic images super fast. With Octane’s parallel compute capabilities, you can create stunning works in a fraction of the time.
5.V-Ray RT (Real-Time) is Chaos Group's interactive rendering engine that can utilize both CPU and GPU hardware acceleration to see updates to rendered images in real time as objects, lights, and materials are edited within the scene.
6.Indigo Renderer is an unbiased, physically based and photorealistic renderer which simulates the physics of light to achieve near-perfect image realism. With an advanced physical camera model, a super-realistic materials system and the ability to simulate complex lighting situations through Metropolis Light Transport, Indigo Renderer is capable of producing the highest levels of realism demanded by architectural and product visualization.
7.LuxRender is a physically based and unbiased rendering engine. Based on state of the art algorithms, LuxRender simulates the flow of light according to physical equations, thus producing realistic images of photographic quality.
GPU Computing Card Parameter Table
Now Fox Renderfarm is applicable to Redshift for Maya and Blender Cycles. There are more than 100 pieces of NVIDIA Tesla M40 cards in Fox Renderfarm cluster, each server has 128G system memory with two M40 computing cards. Welcome to Fox Renderfarm to experience the super fast GPU cloud rendering!
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