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A Method for Generating Texture Images used on Landscape Simulation

By N. Mukaia, Y. Sakaguchia and M. Kosugia

Abstract

Abstract: When new buildings, roads or bridges are constructed, landscape simulation is used to investigate if the new constructed objects can match with the current scene. Landscape simulation needs a large number of modeling data, which are created with computer graphics modeling software. On the modeling, a technique called texture mapping is used to make the manmade modeling data realistic. Texture mapping is a computer graphics technique, which maps real pictures onto surfaces of buildings, roads or bridges created by modeling software. However, in order to make the manmade modeling data very realistic, many pictures are needed and that requires much work for both taking pictures and managing them. This paper describes a method for generating texture images such as surfaces of houses or roads. With this method, texture images are generated automatically using random and fractal functions. The generated images look like very natural and enable the modeling data of landscape simulation very realistic. This method uses two types of image. One is a material image and the other is a weathered one. The material image is generated by placing some fundamental patterns at random. The more patterns are used, the more varieties are generated. On the other hand, the weathered image is generated using fractal functions. Selecting the fractal seeds can make an intended image such as a texture that represents water drop track on a wall. Also, combining both material and weathered images can make more realistic images for texture mapping. With this method, we succeeded in creating realistic modeling data for landscape simulation

Topics: Texture Mapping, Landscape Simulation, Image Generation, Fractal
Year: 2015
OAI identifier: oai:CiteSeerX.psu:10.1.1.549.4386
Provided by: CiteSeerX
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