Generating, Storing, and Displaying Graphics Using Sub-Pixel Bitmaps
First Claim
Patent Images
1. A sub-pixel bitmap tile serving system configured to serve tiles in response to requests from a user, comprising:
- a plurality of front end tile servers for serving one or more sub-pixel bitmap tiles requested by a user;
a request distributor for distributing requests for sub-pixel bitmap tiles between the plurality of front end tile servers; and
a plurality of back end tile servers communicatively coupled with the plurality of front end tile servers, each back end tile server having access to the sub-pixel bitmap tiles, and configured to provide requested sub-pixel bitmap tiles to a corresponding front end tile server.
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Abstract
Techniques for generating, storing and displaying graphics on computer systems are disclosed. The type of graphics in particular are images, where the image can be defined as a set of areas, whether these areas are lines, geometric shapes, letters or other types of areas. The effect of using these methods is that graphics, such as digital maps, can be handled faster, with more flexibility and with higher display quality, both for screen use and for printing.
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Citations
7 Claims
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1. A sub-pixel bitmap tile serving system configured to serve tiles in response to requests from a user, comprising:
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a plurality of front end tile servers for serving one or more sub-pixel bitmap tiles requested by a user; a request distributor for distributing requests for sub-pixel bitmap tiles between the plurality of front end tile servers; and a plurality of back end tile servers communicatively coupled with the plurality of front end tile servers, each back end tile server having access to the sub-pixel bitmap tiles, and configured to provide requested sub-pixel bitmap tiles to a corresponding front end tile server. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification