Single Tree Modeling and Forest Scene Rendering with SRTM and TM Data

Author

Guo, Jun ; Niu, Zheng

Author_Institution

State Key Lab. of Remote Sensing Sci., Chinese Acad. of Sci., Beijing, China

fYear

2009

fDate

17-19 Oct. 2009

Firstpage

1

Lastpage

4

Abstract

A virtual forest modeling approach using SRTM and TM data is proposed. L-systems (a plant modeling language) is used to create the coniferous and deciduous tree models with different LAI (Leaf Area Index) values. Output images of these tree models are planted on the 3D terrain built from SRTM data, via the image-based method of crossed-billboards. TM image pl93r026 is used to generate the land use Classification map and retrieve the LAI map. These two maps control the placement of trees inside every terrain triangle. Several visualization techniques are used to improve the rendering speed so that the viewers can fly over the virtual forests in real-time.

Keywords

data visualisation; forestry; terrain mapping; virtual reality; 3D terrain; L-systems; SRTM; TM data; crossed-billboards; forest scene rendering; land use classification map; leaf area index; pl93r026; plant modeling language); single tree modeling; virtual forest modeling approach; visualization techniques; Application software; Image retrieval; Laboratories; Layout; Natural languages; Remote sensing; Rendering (computer graphics); Solid modeling; Tree graphs; Vegetation mapping;

fLanguage

English

Publisher

ieee

Conference_Titel

Image and Signal Processing, 2009. CISP '09. 2nd International Congress on

Conference_Location

Tianjin

Print_ISBN

978-1-4244-4129-7

Electronic_ISBN

978-1-4244-4131-0

Type

conf

DOI

10.1109/CISP.2009.5305395

Filename

5305395