Vector based Mapping of Polygons on Irregular Terrain Meshes for Web 3D Map Services

نویسندگان

  • Arne Schilling
  • Jens Basanow
  • Alexander Zipf
چکیده

In this paper we show how to efficiently integrate traditional GIS data into terrain models in order to generate complete 3D maps with little overhead for textures. The results meet the requirements for the Web 3D Service (W3DS), a proposal for the standardization for delivering 3D web maps. Our approach is designed to create fully vectorized 3D scenes that deliver the best possible quality and do not require dynamic texture generation and handling. We describe the mesh operations for integrating polygonal GIS data like forests, parks, buildings blocks, or streets into the terrain mesh and compare the results with a texture based approach.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Rapid 3D City Model Approximation from Publicly Available Geographic Data Sources and Georeferenced Aerial Images

We present a fully automatic, objectcentered approach for creating 3D city models by combining public domain geographic information with highly overlapping aerial images. In a first step, we create a polygonal 3D surface mesh from terrain elevation data provided by the Shuttle Radar Topography Mission. Second, we transfer building outline polygons from 2D vector maps provided by the OpenStreetM...

متن کامل

Visualization of Polygon-based Data as a Continuous Surface

Most information for spatial analysis and research in economic and social geography is aggregated into totals associated with units which are polygons. To facilitate comparisons between the units the totals are normalized by a reference variable, such as the area of the polygon. Such kind of data is usually visualized as 2D or 3D choropleth maps, but an alternative is a continuous surface. The ...

متن کامل

Evaluation of Real-Time Continuous Terrain Level of Detail Algorithms

In the world of 3D graphics many applications require the ability to render large 3D terrains in an efficient manner. To satisfy this need, algorithms have been devised that render height fields using a real-time continuous level of detail technique. Instead of drawing each of the many triangles that can make up a terrain, this technique renders the terrain with a highly reduced number of polyg...

متن کامل

Collision Detection Optimization of 3d Landscape Design by LOD Algorithm

Focusing on the visual effect deficiency in the application of standard LOD algorithm for 3D landscape design, 3D landscape designing model based on terrain complexity collision and shading rendering is built in this paper. First, 3D landscape design models are devided into two categories, regular terrain and irregular terrain, and different rules are respectively adopted during model building....

متن کامل

3D Modelling of Under Ground Burried Objects Based on Ground Penetration Radar

There is a growing demand for mapping and 3D modelling of buried objects such as pipelines, agricultural hetitage, landmines and other buried objects. Usually, large scale and high resolution maps from these objects are needed. Manually map generation and modeling of these objects are cost and time consuming and is dependent on lots of resources. Therefore, automating the subsurface mapping and...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2007