Martin Tomka the key person behind Simartom.com has released T-Gen  2 a tree and plant generator which fully integrated into Softimage XSI.  Many Softimage XSI tools are supported to change materials, geometry or  hierarchy. Almost all parameters of T-Gen can be animated.

T-Gen 2 features:

• New core – On average T-Gen 2 is 3x-4x faster
• New Dynamics – you can now use XSI forces to simulate tree and plant dynamics.
• New distribution options – new distribution types are random and point distribution.
• New noise types – you can now use perlin noise to get more natural look of branches.

• Advanced appearance and distribution settings
• Node-based tree and plant hierarchy
• Multicore support
• Plant dynamics
• Geometry optimization
• Animatable trees and plants
• Intuitive interface
• Seamless XSI integration
• Powerful free version
• Export of plants

See also:

• T-Gen Documentation
• T-Gen Tutorials
• Feature list
• T-Gen Downloads

T-Gen 2 should work with XSI6.02, XSI6.5, XSI 7.0, XSI 7.5

(There is a bug in XSI 7.5 that prevent you from using more than 1 force. In older versions you can connect up to 100 forces.)

Speedtest T-Gen vs. T-Gen 2

Force Test (New Dynamics Feature)

Distribution Options

T-Gen Manager