Creating Lighting Programmatically in V8

In this article I am going to show you how add light sources to your RealityServer scene using the V8 server-side JavaScript API. You will learn how to add several different types of lights, including a photometric light using an IES data file, an area light, a spot light and daylight. This will be a very simple example but will give you all of the pieces you need to programmatically add lighting to your scene. You can expand on the concepts shown here to make different types of lighting very easily.

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Authenticated AWS S3 Downloads in V8

We’ve had quite a few customers express interest in downloading content from AWS S3 rather than persistently storing it on their RealityServer instances. While this introduces latency, in many use cases it can still make a lot of sense. Our recently released HTTP Request functionality for V8 makes it easy to download content from public URLs. What do you do if your S3 buckets require authentication though? Let’s dive in.

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What’s New in RealityServer 5.3 Update 276

This is the seventh update of RealityServer 5.3 since it was released in May. That’s a new release every month folks! While this post will focus on the features added in the most recent, 2593.276 build, we’ll also recap some of the other features added along the way in previous updates. The headline item for this new release is the ability to make HTTP requests from within the server-side V8 JavaScript API. This has been a long standing request from users and we are finally able to ship this feature to you. There’s also some cool new glTF features and much more.

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Automatic Creation of glTF with Quality Materials

Customers of RealityServer are usually seeking out the highest quality visuals possible. However in many contexts it is not economical to provide this quality at all times. As a result, hybrid solutions using both WebGL and RealityServer have become popular. Here, WebGL is used during most of the interaction and RealityServer just at the end of the process for a final high quality image. The problem this creates is that you have to make the WebGL version of the content somehow, ideally without making your content twice. In this article we’ll see how glTF 2.0, MDL materials and distillation let you repurpose your content automatically.

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Introducing RealityServer

RealityServer is a platform for integrating photorealistic 3D rendering into your application. It is based on a web services methodology and can be used both for rendering automation and fully interactive rendering. In this introduction we will cover the core concepts of RealityServer development and what you need to understand in order to get started.

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New Client Library for RealityServer

The legacy JavaScript client library shipped with RealityServer was designed in 2010, back when JavaScript in the browser was mostly unusable without some sort of framework like jQuery, WebSockets were still under design and JavaScript on the server was virtually unheard of. A lot has changed since then, JavaScript has significantly evolved and is supported by a huge module ecosystem, WebSockets are under the hood of everything and Node.js is becoming ubiquitous. The RealityServer client library however has barely changed. Until now.

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Installing RealityServer

So you’ve got your RealityServer release email and downloaded everything but how do you install it? This article will take you through the steps in setting up RealityServer on Windows or Linux as well and also provide an overview of the RealityServer directory structure. We’ll also cover how to setup your licensing.

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Adding Objects with Server-side V8

Add Objects

Continuing our series of articles on using the server-side V8 API we will now add some objects, loaded from a model file to the scene that we setup and lit in our previous articles. This one is going to be very simple but for bonus points we’ll add multiple copies of the object in different locations.

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Environment Lighting with Server-Side V8

In a previous post we covered creating an empty scene by writing a server-side V8 command in JavaScript. Now let’s turn on some light by adding an environment lighting setup to our empty scene. We’ll create two new commands, one to add lighting based on a spherical HDRI image and another using the built in physically based sun and sky system.

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RTX Performance Explained

RTX

NVIDIA RTX technology was announced late last year and has gathered a lot of coverage in the press. Many software vendors have been scrambling to implement support for it since then and there has been a lot of speculation about what is possible with RTX. Now that Iray RTX is finally about to be part of RealityServer we can talk about what RTX means for our customers and where it will be most beneficial for you.

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What’s New in RealityServer 5.2 Update 326

RealityServer

Our next RealityServer update is here. This is an incremental release with quite a few requested fixes and enhancements but also contains a few great new features for heavy users of MDL materials. This will be the last RealityServer 5.2 release as we will shortly be releasing RealityServer 5.3 with NVIDIA RTX support so watch out for that one. In the meantime, let’s checkout whats new in this version.

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RealityServer Helps Timex Visualise Design Choices

The Timex Group has joined the growing list of household names who use RealityServer to create the imagery that pushes customers to choose their products over a competitors. The retail sector demands the highest quality imagery in order to replace traditional photography with photorealistic 3D rendering. Not just quality, but speed and scale in everything from real-time, interactive and offline rendering.

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What’s New in RealityServer 5.2 Update 259

Our first update for RealityServer 5.2 is here. It includes an Iray version bump and some nice convenience features. The most significant feature however is support for queuing renders with Iray Server. This will be of interest to those building internal rendering automation tools with RealityServer.

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What’s New in RealityServer 5.2

RealityServer 5.2 is here and adds some great functionality. Hugely expanded glTF 2.0 importer support, wireframe rendering, lightmap rendering, section plane capping, MDL 1.4 support, UDIM support and many more features have been added along with many fixes and smaller enhancements based on extensive customer feedback. In this post we will run through some of the most interesting functionality and how it can help you build your applications.

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Creating an Empty Scene with Server-side V8

We’ve covered server-side V8 commands before but in this post we will go into a little more detail and use some of the helper classes that are provided with RealityServer to make common tasks easier. Quite often you want to kick off an application by creating a valid, empty scene ready for adding your content. Actually, it’s something we we need to do in a lot of our posts here so to avoid repeating it each time, lets make a V8 command to do it for us.

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Managing User Sessions with UAC in RealityServer

In this article we’ll take a quick look at how to use the UAC system in RealityServer to effectively manage user sessions and clean up server memory when users go away. There won’t be a lot of pretty pictures (well there is one if you make it to the end) but for those of you getting your hands dirty with RealityServer in production, you’ll get some valuable pointers to help keep your server from filling up with unused data.

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Lighting Configurators with Compositing

In our last post we explored using the RealityServer compositing system to produce imagery for product configurators at scale. Check out that article first if you haven’t already as it contains a great introduction to how the system works. In this follow up post we will explore the possibilities of using the same system to modify the lighting in a scene without having to re-render, allowing us to build a lighting configurator.

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Configurators at Scale With Compositing

RealityServer 5.1 introduced a new way to generate images of configurations of your scenes without the need to re-render them from scratch. We call this Compositing even though it’s actually very different to traditional compositing techniques. In this article we will dive into the detail of how to use the new system to render without rendering and speed up your configurator.

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What’s New in RealityServer 5.1 Update 251

RealityServer 5.1 Update 251 has just been released. It’s mainly a bugfix release but adds a few nice extras that several customers have asked about, including a PBR MDL material, Iray Viewer loader and commands for manipulating measured BSDF data.

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What’s New in RealityServer 5.1 Update 227

RealityServer 5.1 Update 227 has just been released and it has some great new features. A new Iray version with improvements to the AI Denoiser, an easy to use compositing system and a bunch of new convenience commands. This post gives an overview of the new functionality, however the compositing features are so significant that we are currently writing a dedicated article for that feature which will be out soon.

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Basic Canvas Operations in V8

RealityServer 5.1 introduced new functionality for working with canvases in V8. In this post I’m going to show you how to do some basic things like resizing and accessing individual canvas pixels. We’ll build a fun little command to render a scene and process the result into a piece of interactive ASCII art. Of course, this doesn’t have much practical utility but it’s a great way to learn about this new feature!

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RealityServer on AWS

A lot of new customers ask us where they can run RealityServer since they don’t have their own server or workstation with NVIDIA GPU hardware available. Starting up RealityServer on Nimbix is covered in another article where everything is pre-configured for you, on AWS however you need to do a bit more setup yourself. We are assuming here that you are already familiar with Amazon Web Services and starting instances on Amazon EC2, along with basic concepts like security groups. We won’t cover the basics of how to start an instance here however there is lots of good information about that online, including this guide from Amazon. So, let’s get started.

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What’s New in RealityServer 4.4 Update 93

We recently released RealityServer 4.4 build 1527.93. This update included Iray 2016.2 and some interesting new features. While still an incremental update, the big item many of our customers have been asking for is finally here, NVIDIA Pascal architecture support. So your Tesla P100, Quadro P6000, Quadro P5000, GeForce GTX TITAN X, GeForce GTX 1080, 1070 and other Pascal cards will now work with RealityServer. Keep reading for some more details of the new features in update 93 of RealityServer.

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RealityServer on Nimbix JARVICE 2.0

The number of cloud service providers offering NVIDIA GPU resources is increasing and in today’s article we will show you how to get started using RealityServer with Nimbix. migenius has deployed several of its customer projects on the Nimbix platform and it offers some unique advantages such as containerised environments (instead of virtualisation), fast start-up times and usage charged by the minute instead of by the hour. On Nimbix migenius has set-up a pre-configured RealityServer environment for you, keep reading to learn how to sign up for Nimbix services and get RealityServer up and running. Read More

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3D Transformations – Part 2 SRT

In this, the second part of our article on transformations I will introduce SRT (Scaling, Rotation, Translation) transformations. Unlike the previous article, this one will have a lot less maths and shows you a simpler way to work with transformations in RealityServer. Additionally the method allows for automatic interpolation of transformations over time in a smooth way which is great for creating animations. Once things are moving you can also introduce motion blur for more realistic results. Read on to discover the ease of SRT transformations.

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