GeoMatrix® Toolkit Features

Overview

Features

Technical Description

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GeoMatrix® Toolkit

Features

Data

Multi-resolution support for four basic data types: imagery, terrain, vector, and annotation.

Unique sphere tiling method enables the whole earth, including polar areas, to be efficiently represented and rendered (same as used by ESRI's ArcGlobe that has licensed this tiling method from GeoFusion).

Data pre-processing routines and customizable data import module.

Datasets are independent. Ability to attach or detach, and render an arbitrary number of datasets each with an arbitrary, potentially very large, amount of data.

Supports any number of overlapping, high-resolution image or terrain data inserts.

Supports industry standard texture compression formats.

Lossless compression of datasets further reduces disk and bandwidth requirements

Rendering

Real-time rendering and display of global and local scale imagery, elevation, and vector-based datasets.
Real-time rendering of multiple global and high resolution imagery and terrain data inserts.
Continuous level of detail while zooming.
Terrain morphing between resolution levels.
Terrain scaling and tessellation bias control.
Flat or spherical globe rendering.
Ultra-fast Level-Of-Detail calculation.
Demand paging of tiled data for four basic data types: imagery, terrain, vector, annotation. Memory resources are efficiently recycled among the currently used memory pages.
Object interface and rendering engine allow for multiple scenes (windows), each with multiple globes, and each globe with multiple datasets.
Multiple globes can be coincident, concentric, or separated to provide various effects such as translucent overlays (used with clouds above the Earth), fade between datasets, geologic features, planets, etc.
Scene scaling allows both global and street level features to be rendered while retaining numeric precision.
Ability to add your own polygonal model for airborne, ground, and space-based objects.

Interaction

View library simplifies interactive, pan, zoom, tilt, and spin control.
Interactive movement via Earth pivot mode or flight mode.
Three ways of managing perspective: matrixes, "view parameters", quaternions.
Utility functions for culling and picking objects in a scene, facilitating coordination of cultural features, and collision detection.
Application programmers can add their own content as well as look and feel to GeoMatrix-based Digital Planet applications.