![]() ![]() Dynamic stylization is enabled in fragment shaders per user defined parameters. ![]() The binary glTF greatly reduces the transmission bandwidth required, and it is directly readable by the GPU without requiring costly client-side mapping computation. The display of massive transportation networks is enabled by utilizing the Graphics Processing Units (GPUs) of the client’s device. The geodata are processed using a specialized backend server and packed in binary buffer objects that are passed directly to the rendering stage of a frontend client. To undertake this challenge, a web-mapping framework is extended via a Web Graphics Library (WebGL) enabled renderer that receives data in the Graphics Library Transmission Format (glTF). The main problems associated with this task are: (1) the transmission of massive geodata sets, (2) the mapping and rendering of unfiltered and non-generalized networks in real-time, and (3) dynamic user interaction, stylization, and parameterization. The challenge is to enable a broad range of easily accessible tools for displaying both generalized polygonal maps and complete, highly detailed transportation network infrastructures for web clients and mobile devices. This thesis presents a novel visualization technique and web-based method for network-based reachability analysis. I hope this book helps you discover the elegance and beauty of JavaScript and HTML, and makes you think differently about what can be achieved with these languages. It will focus on the details of each language that are fundamental to understanding how they work. It will not present you with long lists of APIs, or intricate details of every attribute, these can be found in reference manuals. ![]() This book takes the point of view that once you have a strong grasp of the fundamentals, the details will take care of themselves. In order to create complex web applications however, it is essential to learn these languages. Browser based web applications are now capable of matching or exceeding the sophistication and scale of traditional desktop applications. ![]() If you have not used JavaScript and HTML for a number of years you may be surprised at what they now offer. JavaScript and HTML have low barriers to entry, and this, along with their similarity to other languages, led many software engineers to conclude that there really was nothing much to learn. In addition, many software engineers have used these languages without ever learning them. Due to backwards compatibility concerns, most of these features still remain. As a result, many dubious features crept into these languages. This apprehensiveness is not completely unfounded both JavaScript and HTML were rushed in their early years, and driven by commercial rather than engineering interests. Despite their success, many software engineers are apprehensive about JavaScript and HTML. Due to their monopoly position in web browsers, and the fact web browsers have spread from PCs to phones, tablets and TVs this pervasiveness will continue to grow and grow. JavaScript (and its frameworks such as jQuery) and HTML (along with its style sheet language CSS) have become a ubiquitous presence in software development. ![]()
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