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Caustics Generator - Seamless water textures


Caustics can be described as the light pattern you see at the bottom of a pool on a sunny day.
This tool will let you render such caustics light patterns.

The rendered images are ideal for use in real-time graphics such as games and simulations, but can also be used for architectural renderings, film rendering and advertisement renderings where water needs to be illustrated.




About

The patterns rendered by this program are calculated by simulating the effect of light refracting through water. The water surface is made tileable in both space and time. This means that you seamlessly can tile individual rendered images both horizontally and vertically. It also means that a full generated animation sequence will loop in time.

The rendered images can for example be used as realtime textures for games and animations but can also be used as light textures for film production, advertising renderings and architectural scene renderings.

Buy

The Windows versions of Caustics Generator Lite and Caustics Generator Pro are available for online purchase.

Price includes one year free updates and support.

    Product

    Unit Price (EUR)

    Caustics Generator Lite

    Windows (32-bit)

    35 EUR

    Caustics Generator Pro

    Windows (64-bit)

    120 EUR

    Caustics Generator Pro

    Linux command line executable

    170 EUR

    email request

    All prices are given excluding VAT. Purchases within EU will add +25% VAT.

    Invoice orders are available by email for an additional administration fee of 10 Euro.

    A receipt of your order will be sent to your stated email address. When your order has been processed you will receive another email with download instructions. If you do not receive the download instructions, check the FAQ for help.



    Please visit the Dual Heights Web Shop to buy high quality premade caustics textures.

    Program Features

    Caustics Generator is available in three versions.

    The free version can be downloaded from here and is free for non-commercial use.

    There are also two commercial versions available that are aimed for the professional users. See product feature chart to the right for a comparison between the versions.



    Free
    Lite
    Pro
    Free for non-commercial use
    Graphical user interface
    Command line tool for scripting or integration
    Advanced control over caustics pattern
    Live preview output while changing parameters
    Bitmap (BMP) file output
    Commercial use allowed
    Animation playback preview
    Tiling preview
    Motion blur
    High dynamic range image output (EXR)
    Fast rendering of animations on multi-CPU computers
    Surface height map output
    Surface normal map output
    Windows 64-bit
    Image output size limit
    512x512
    2048x2048
    Unlimited

    Sample Images

    To the right are some sample images generated with Caustics Generator.

    Besides the caustics pattern, in Caustics Generator Pro you can also output the water surface as a height map and normal map. While the caustics images are good for lighting, the height map can be used for modelling the water surface and the normal map can be used for surface reflection and refraction effects.

    All textures are tileable and loopable in time.

    Click on images for a tiled example.

    Sample Animation

    Click on image to view an animation sequence of a looping caustics rendering.

    This example uses 60 frames of rendering at 30 fps playback that is looped five times to create a 10 second animation.

    Application User Interface

    The Caustics Generator user interface allows you to play with the parameters that form the caustic pattern.

    If you turn on Auto Render, the image is updated live while you change the sliders. In Caustics Generator Pro you can also render and preview the animation directly in the user interface.

    Download

    You can download caustics generator free of charge from here. The program can be freely used for non-commercial purposes.


    release notes »

    System Requirements

      Windows Vista / 7 / 8
      Linux (Pro version upon request)
      .NET Framework 4.0

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