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1991/02/19

Forester and Arboretum 1.2

Forester and Arboretum 1.2
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Forester is a complete 3Dlandscape generation and visualisation tool. It
creates scene description files that are renderedusing POV Ray (an
excellent freeware ray tracing program).

Forester uses a number of object placement algorithms to position hundreds
or thousands ofobjects onto the landscape terrain, each one rotated and/or
scaled differently to help hide the factthat the same objects are being
used repeatedly. For example, a dense forest could quickly be placedover a
hillside, using a series of basic probability tests to define the location
of each tree. Itwill prevent trees from growing underwater or on steep
slopes, and can position them so that theydont grow too close together or
too far apart. It can also take into account the altitude to reducethe
chances of trees growing higher up the slopes.

Objects can also be placed using an Image Map, which allows third party
graphics tools to beused to paint objects onto the landscape. The image
map takes the form of a Windows Bitmap file,where the colour of each pixel
in the image defines which object(s) are located at the
correspondinglocation on the landscape.

A water layer can be defined in the scene, with control over its colour,
reflection, murkinessand wave size. A 3D cloud layer and fog/haze layers
can also be included for more realism. The scenecan quickly be altered by
changing the Season objects can be defined with multiple textures
sothat, for example, a tree in winter would be white with snow, whereas in
summer the same tree wouldbe green and leafy.

Forester will also produce animations the camera and objects can be
animated along predefinedflight paths, and the clouds and water can also
have a simulated animation effect. The use of MotionBlur greatly enhances
the animated movement. The animation can be viewed in the DirectX
previewwindow prior to being sent to POV Ray for rendering (which can be
pretty time consuming!).


Feature List

Various object placement algorithms and probability functions
Image Maps for using Bitmap files to locate objects
Full scene animation
Animation Timeline
Object/camera flight paths
Customizable landscape texture
Animation sound mixing (attenuation, Doppler, panning)
Motion Blur
Procedural grass simulation
DirectX 3D preview
Camera Focal Blur
3D cloud simulation
Water layer
Fog/Haze layers, including atmospheric media
Object Location export
Flight path export to TGS script
3D image generation (for viewing with tinted glasses)
Object masking and merging with Terragen images

The Forester Arboretum is an add on to Forester for creating trees
suitable for rendering by Forester/POV Ray. Each tree is modelled in full
3 dimensions, from the trunk and branches right down to the shape of each
leaf. The tree generation algorithm is flexible enough to create a wide
variety of tree species, from pines to oaks.

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