Acropora 1.0.0045 & Sample Projects 382 MB
A procedural modeler, Acropora combines volumetric modifiers with multioctave 3D noise sampling to
generatedetailed surfaces in far less time than conventional surface modeling software. Acropora
adopts a less deterministic approach to generating complex, organic shapesby applying sequences of
modifiers on large voxelized meshes. The effect is to create an endless, seamless expanse of surface
that undulates and changes in anatural way. The resulting meshes contain caves, ridges, overhangs and
other natural features that are not possible with height maps. Meshes can then be broken upinto
segments, with segments further divided into different levels of details.
Just some of the features available:
* A variety of base shapes includingsphere, plane, cylinder, torus and others.
* Compound shapes (heightmaps, pillars, caves, weaves)
* Terrain generation tools
* Cave creation tools
*Voxelisation of user imported models (.3DS, .FBX, COLLADA, .OBJ)
* Mesh export to .3DS, .FBX, COLLADA, .OBJ
* 3D texture export of voxel volume to .DDS format
* Userspecified volume block and voxel dimensions.
* Over 50+ volume modifiers
* Automatic generation of up to 15 octaves of noise (userprogrammable settingsinclude orientation,
strength, quality, frequency, phase, and range of influence)
* Extensive voxel and noise editing tools
* Batch processing
*Multiple LOD support
* Intuitive editing and manipulation of very large meshes
* Seamless joining of adjacent meshes
* Mesh decimation, smoothing andtesselation.
* Mesh filtering and vertex blending tools
* Ambient occlusion
* FX effect file support and multitexturing
* Multithreaded CPU support andGPU acceleration (on supported cards)
How it works
Mesh generation begins with a base geometry and combines complex noise sampling with userspecified
shapemodifiers to generate a unique density field, which is then marched to generate a surface that
becomes the solution mesh. Once the isosurface is extracted the usercan smoothen, tesselate,
optimise or filter the resulting mesh. Density function evaluation is numerically intensive;
therefore, the volume is often brokendown into blocks. Mesh operations can be carried out globally on
the entire mesh or on selected/activated blocks. Acropora automatically takes care of alignment,
ensuring smooth seams between adjacent meshes. GPU support provides realtime response to volume
editing. In addition to applying global modifiers the user cancreate localised regions or volumes,
operating in tandem or independent of other regions. Acropora can also be used to test and develop
procedural surfaces,that are later applied in shaders for mesh generation in hardware
Semideterministic approach
Voxel modelling via implicit mathematical expression is by its verynature a nonprecision approach to
sculpting surfaces. While 3D models can be sampled by fine grain voxels, the strength of Acropora lies
in rendering complex,multijoined surfaces that are inherently difficult using conventional modelling
tools: Labyrinthin cave structures, complex organic weaves, believable rockoutcroppings, overhangs,
and canyons are just a few of the possiblities. The user can control the strength and quality of
surface structures.
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