Glare Technologies 公司的 Indigo 是一款相片般真實的渲染特效器，它基於物理的模擬光線近乎完美的逼真圖像。它使用反向或雙向路徑跟縱的 MLT（Metropolis Light Transport）演算法來取代傳統的光線跟蹤演算法。
所有的光線照明能與物理模型（作為光譜資料）交互影響，Indigo擁有創作出照片以及作品的所有條件，像是虛擬的攝影機模型、物理天空、體積光源等等。這些技術使得Indigo完全可以逼近NextLimit的Maxwell渲染器。Indigo 可以幫助您產生最高水準架構的視覺化產品。
Indigo Renderer 現在可以安裝在 Windows, Mac OS X 以及 Linux作業系統上。
Indigo Renderer 也可與 3ds Max、Blender、Cinema 4D、Maya、Revit及SketchUp兼容。
Brand new multi-GPU engine
Indigo's OpenCL-based GPU engine provides industry leading performance on Nvidia and AMD graphics cards, and on all major operating systems. With a modern GPU, it's approximately 10x faster than the high performance CPU core of Indigo 3.8.
What's more, this performance benefit scales with multiple GPUs in a single computer and multiple computers on a network. Simply add more cards and get the horsepower to quickly render incredible 4K images and animations.
RGB colour curves
RGB colour response curves are a great way to tweak the raw image to get photographic effects. Doing this with Indigo's native RGB curves means it's done in extremely high precision, and doesn't need to be repeatedly added in post-process for several renders.
Fast, flexible region rendering
Region rendering is now a snappy and interactive experience. After enabling it, simply drag over desired area and it'll start rendering. The user can render multiple regions at once by shift + dragging, and enable a transparent background with a single checkbox.
FastSSS
A simple, efficient and realistic material type for creating SSS materials such as skin, plastics and much more.
FastSSS offers various parameters to vary the surface's structure and reflective properties using textures, with a fast and powerful scattering medium below it.
Material preview window
Indigo 4 features a highly customisable material preview window for tweaking the scene materials in a neutral lighting environment. There are multiple sample objects available, and the user can change resolution and render quality of the preview.
Sequence overrides
An useful new tool for rendering batches of images and animations, the render queue overrides allows you to change render settings for all the frames in the queue, on the fly.
Light layer improvements
Light layers are fully supported on GPU. A nifty new feature is the thumbnail to each light layer, making it easier to find a particular layer you're looking for in the stack.
Other additions include the possibility to assign a light source to a light layer directly in Indigo GUI, as well as adding new layers.
Aperture controls
Render the perfect bokeh by controlling the aperture shape with Indigo's generated aperture, or add your own aperture maps. Cover the lens with custom obstacle maps to create beautiful flare effects.
Contribution clamping
A simple, user friendly parameter to eliminate fireflies.
GPU - adaptive resolution
Viewport res adapts when needed, to ensure good realtime performance.
Adjustable light sampling
Optionally change the processing power dedicated to a particular light source.
Filmic tone mapping
Tone mapping with a natural feel and high dynamic range
Measured BDRF support
Indigo now supports rendering of measured BDRF materials.
Improved Subdiv & Disp
Subdivision and displacement has been greatly optimised and improved.
Faster CPU rendering
CPU rendering, MLT and tone-mapping have been optimised.
Trackball navigation
A useful and intuitive new way to move around your scene.
CPU and multi-GPU rendering
- Fast, unbiased CPU rendering.
- Achieve blistering rendering performance with any OpenCL supporting GPUs.
- Supported on Windows, macOS and Linux, on Nvidia, AMD and Intel units.
Realtime Scene Editing
- Interactive editing of materials, including dynamically compiled shaders.
- Realtime camera movement, including trackball, depth of field adjustment, etc.
- Works seamlessly with network rendering and GPU acceleration.
Integrated Network Rendering
- Render a single image efficiently across multiple machines.
- Included Network Manager load balances slaves among masters across a network.
Floating Licences
- Automatically allocate licences across a network on an as-needed basis.
- Simplifies maintenance and deployment of new Indigo licences.
Participating Media
- Sub-Surface Scattering (SSS).
- Unbiased multiple scattering - for the ultimate in realistic SSS.
- Wavelength-dependent scattering and absorption coefficients.
- Henyey-Greenstein, Uniform and Rayleigh phase functions.
- Atmospheric scattering model including Mie and Rayleigh scattering.
Full Spectral Rendering
- All light transport calculations use spectral colour instead of RGB colour.
- Rendering parameters, such as material colours, accept arbitrary spectra instead of RGB colours.
Support for Complex Geometry
- Support for extremely large meshes.
- Instancing support - A mesh can be repeated in a scene thousands of times with little additional memory usage.
- True displacement mapping for highly detailed surfaces.
Physical Camera Model
- Realistic aperture for accurate depth-of-field simulation.
- Focal distance - automatic or manual.
- Shift lens.
- Familiar to photographers: F-stop, exposure and white balance control.
- Orthographic camera support.
- Spherical camera for panoramic images.
High Performance
- Written in SSE-optimised C++ for optimum performance.
- Multi-threaded to take full advantage of multi-core CPUs.
- GPU acceleration delivers a large performance boost.
- Efficiently parallelises over any other render nodes in the network.
Output Channels
- Colour channels with per-light layers
- Alpha channel for compositing against background plates
- Shadows
- Depth
- Material ID
Multiple output image formats
- Both High Dynamic Range (HDR) and Low Dynamic Range (LDR) formats.
- 32 bit per component EXR and IGI output (HDR).
- PNG, JPEG, TIFF output (LDR).
Physically-based Sky and Sunlight Model
- Captured data from highly accurate simulation made by Indigo itself from physical principles.
- Highly efficient spectral sky and sunlight model.
- Realistic time of day effects - sunrise, sunset etc.
Realistic Physically-based Materials
- Accurate dielectric reflection and transmission, including dispersion, total internal reflection, etc.
- Accurate reflection from rough and smooth metal surfaces, using measured material data.
- Lambertian material.
- Lambertian material with rough or smooth dielectric coating.
- Oren-Nayar material for rough, backscattering materials such as clay.
- Diffuse transmitter material for fast SSS approximation for thin objects.
- Blend material for creating arbitrarily-complicated material trees.
- Rough transparent dielectric material for simulating frosted glass etc.
- Double-sided thin material for realistic leaves, printed paper etc.
- Coating material for complex coated materials such as car paint.
Online Material Database
- Browse, download and share Indigo materials with other Indigo users.
Metropolis Light Transport
- Allows robust and efficient rendering of extremely complex lighting situations.
Shader System
- All material parameters can be controlled by a shader program written in Indigo Shader Language (ISL).
- Just-in-time (JIT) compiled shaders for maximum performance.
Motion Blur
- Camera and object motion blur.
- Completely accurate, unbiased motion blur.
- Non-linear paths even during a single frame.
Graphical User Interface (GUI)
- Simple and intuitive, yet powerful GUI.
- Pause, resume or save render progress.
- Control network rendering.
- Simple licensing dialogue for licensing the free version, in order to unlock the full version
HDR Environment-Map Lighting
- Load an EXR or HDR map for simple and realistic scene lighting.
IES Profiles
- Efficiently render scenes with IES light profiles, for realistic architectural lighting.
Camera Aperture Diffraction (Glare)
- Realistic camera aperture diffraction (glare) based on accurate optics simulation.
- Works with arbitrary camera apertures and obstacle maps.
Cross Platform
- Windows XP, Vista, Windows 7, Windows 8, Windows 10 support. (32 and 64 bit)
- macOS 10.9 - 10.13 support. (64 bit)
- Linux support. (64 bit)
- Advanced Tone Mapping
- Multiple methods for tone mapping a HDR image to a LDR image.
- Reinhard tone mapping for fully automatic exposure handling.
- Camera tone mapping for accurate simulation of real camera films.
Arch. and product viz features
- Section planes for cut-away renders
- Invisible-to-camera objects
Supported 3D Applications
- SketchUp
- Autodesk 3ds Max
- Cinema 4D
- Blender
- Revit
- Documented XML format for integrating with other packages
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| Description | Great value with full performance and rendering quality. Find out more about Indigo RT here. | Indigo Renderer is our flagship product. Find out more about Indigo Renderer here. |
| Ultimate Image Quality | V | V |
| Multi-GPU Rendering with OpenCL | V | V |
| Realtime Updates While Editing | V | V |
| Physically Accurate Sun and Sky | V | V |
| HDR Lighting | V | V |
| Subdivision and Displacement | V | V |
| Realistic Camera and Lights | V | V |
| Lab-measured Metal Materials | V | V |
| Subsurface Scattering | V | V |
| Object Instancing | V | V |
| Fully Accurate Motion Blur | V | V |
| Production-ready Commandline Build | V | V |
| Section Planes | V | |
| Orthographic Camera | V | |
| Spherical Camera | V | |
| Invisible-to-camera Objects | V | |
| Shadow-catcher Material | V | |
| Light Layers | V | |
| IES Lighting | V | |
| Network Rendering | V | |
| EXR Output | V |
Minimum system specifications
Windows
- 64-bit x86 CPU with SSE4
- 4GB of RAM
- 150MB of hard drive space
- Windows 7 or newer
Mac
- 64-bit x86 CPU with SSE4
- 4GB of RAM
- 150MB of hard drive space
- OS X 10.8 Mountain Lion or newer
Linux
- 64-bit x86 CPU with SSE4
- 4GB of RAM
- 150MB of hard drive space
Recommended system specifications
- 16GB+ of RAM
GPU acceleration
Required
- Either an NVIDIA GPU supporting OpenCL 1.1 (GeForce 9800 GT or newer), or an AMD GPU supporting OpenCL 1.1 (Radeon 4xxx or newer)
- 256MB or 512MB of onboard GPU memory, depending on OS (more info)
- 2GB of system memory
Recommended
- Either NVIDIA GeForce GTX 5xx / Quadro 4000 / Tesla C2050 or newer, or AMD Radeon 5xxx / FirePro 3D V3800 / FireStream 9350 or newer
- Quad-core or greater Intel or AMD CPU