Terragen 4 首次亮相

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A test image created with Terragen 4 alpha by Luc Bianco.

Planetside Software has posted the See all of the early development images from Terragen 4 on Planetside Software’s websitefirst development images from Terragen 4, the forthcoming update to its landscape-generation software, showing close-ups of clouds and vegetation.

Nice renders, but no feature list yetSo far, those are the only real clues to the new features, since Planetside hasn’t released any further information or demo videos: something it says it intends to do in the run-up to Terragen 4’s release.

However, in the comments on the blog post, the firm notes that increased render speed is one focus of the release; and that Terragen 4 will ship with more presets to help new users get started from the library.

According to Planetside: “We’re raising the bar in terms of photorealism, while giving you new tools to create and explore your scenes more quickly and intuitively than ever before.”

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Updated 23 December: Planetside has released the first demo video of the new features in Terragen 4: in this case, the new raytraced preview.

The preview refines progressively, and supports standard Terragen shaders, lighting, and atmospherics, including clouds with God rays. It’s purely CPU-based, and is shown in real time in the video above.

Interestingly, it can also be used to troubleshoot scene setups as well as for look development, with the option to assign separate colours to different populations of instanced objects.

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Updated 5 January 2016: The second demo video is up, this time showing the new lighting model for clouds.

The system, which simulates multiple scattering of light by water droplets within a cloud, including illumination from the surrounding atmosphere, replaces the GI-based system from previous versions of the software.

According to Planetside: “Terragen 3 could approximate [atmospheric illumination] with GI, but the new model shows real detail and self-shadowing … in the areas that the sunlight doesn’t reach.”

官网地址：http://www.terragen4.com/

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