Basic HTML version of Foils prepared 7 October 97

Foil 34 Illustra Database System --
2D Spatial DataBlade

From VRML and Use of Databases as backend and Application to GIS ARL Database Tutorial -- February 98. by Krzysztof Walczak


The 2D Spatial DataBlade module defines 10 new data types that describe planar geometric shapes and polygons.
The following objects can be represented:
    • - circle
    • - directed graph
    • - ellipse
    • - line segment
    • - path
    • - point
    • - polygon
    • - polygon set
    • - quadrangle
    • - square/rectangle



© on Mon Oct 13 1997