3d Internet

Topics: Google Earth, Keyhole Markup Language, Google Pages: 8 (2728 words) Published: March 3, 2013
3D Internet
A. Divya, A. Hafsa Faizia
Abstract--- The report considers an innovative technology for creating an interactive 3D map for WEB based applications. The KML format is an open standard for 3D multimedia and distribution of virtual world in Internet. This technology is based on wellknown technology “From Paper to Virtual Map”, proposed as cheap and fast way for creation of 3D city map. This proposed paper explains about GOOGLE EARTH which has developed 3D maps for PC and Mobile users. All steps for 3D map modeling and creating are shown. And also the various features available in GOOGLE EARTH are discussed. Keywords--- Google Earth, 3D Internet, KML II. DIFFERENT KIND OF PROCESSING IN 3D MAP DATA FOR




HE topic 3D Internet is one of the most important technologies world is looking forward to. We are actually using Internet in the form of 2D rather than 3D, hence this concept i.e. 3D Internet helps in achieving that. 3D Internet, also known as virtual worlds, is a powerful new way for you to reach consumers, business customers, co-workers, partners, and students. It combines the immediacy of television, the versatile content of the Web, and the relationship-building strengths of social networking sites like Face book. Virtual worlds provide immersive 3D experiences that replicate (and in some cases exceed) real life. A way for Interactive application of 3D maps is achieved by the use of Internet. The entire process of gathering information and sources and their processing is shown. For this aim the satellite images are imported in AutoCAD environment. After that the sources are scaled and vectorized to be prepared for 3D platform. This process is carried by GOOGLE EARTH.

A. Data Sources The earth information is collected from different sources – remote sensing data, GPS data, photogrammetric or surveying measurements, which give us a possibility to make 3D presentations. The maps are one of the most used tools for presentation of such information. Nowadays, most companies create 3D models of city or country environment. These 3D models give a possibility to understand and gain knowledge of the real world and thus we achieve an easy, communicative access for all users. The project for creation of 3D map for touristic needs in mountain resort is presented. For this aim the satellite images from Google maps give readers large territory information and relief information which have enough high resolution and accuracy for cartography needs . B. Data processing The gathered data and sources should be processed. The processing of the images, before going to 3D modeling, is done in AutoCAD. The pictures are imported as raster images and are scaled according to the linear scale of each picture. In the pictures there must be a zone of overlapping because when a larger range of territory is needed and respectively larger resolution of the pictures, the whole image should be pieced together from the different small pictures and each picture should be scaled according to the linear scale before that. After this, the small pictures can be put together with the help of some typical and highly distinctive points, which present in both pictures that must be connected. When we get the whole image, then we proceed to vectorizing. For getting a relief and different objects, that are important for the subject of the map, we vectorize contour lines. The contour lines and the different types of objects are separated in different layers, and thus

A.Divya,Student,IT,Sona College Of Technology ,Salem , India, E-mail:arulmanidivya@gmail.com A Hafsa Faizia, Student ,IT, Sona College Of Technology ,Salem , India, E-mail:hafsa093@gmail.com

they can easily be imported later in the 3D modeling program and can be easily manipulated with. III. STEPS IN THE MODELLING OF A 3D MAP The concrete content of the 3D map is designed after the definition of objects and phenomena that will be included. It could be...

References: 1. Amirin K., M. Hasmadi, 2009. The 3D Model and DEM Uncertainty using GIS. GIS Development, Map Malaysia 2009 2. Bandrova T., K. Ivanova, 1999. 3D Cartographic Modeling in City Environment. 19th International Cartographic Conference, Canada. 3. Bandrova T., 2001. Designing of Symbol System for 3D City Maps. 20th International Cartographic Conference, China. 4. Bonchev St., 2009. Development of a threedimensional map of a mountain resort for tourist purposes, International Conference UACEG2009: Science & Practice, CD Proceedings, Sofia. 5. Lovett A. at al., 2002. The use of VRML in landscape visualization, Trends in GIS and Virtualization in Environmental Planning and Design, Heidelberg.
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