Patent Document ID: 4868771
Application ID: 07031917
Patent Status: 1

Claim One:
1. In a computer visual image generating system for creating visual images from stored data, wherein a feature of an image is defined by at least one polygon, a method for producing visual images reflecting real-time interaction between a vehicle model having a predetermined vicinity and a landscape having a predetermined topography, wherein the vehicle is movable in any direction throughout the landscape, comprising: sampling in real time the stored data for the topography of the landscape in advance of the vehicle model in the direction of motion of the vehicle model for obtaining at least one sample indicative of the topography, the topography having a contour; determining interaction between the topography of the landscape and the vehicle model in response to the at least one sample; and modifying the image of the landscape to be displayed with respect to a predetermined view-point in response to the interaction determined.