GPU-based parallel map slicing method and system
A map slicing and slicing technology, applied in the field of GPU-based parallel map slicing methods and systems, can solve problems such as being unsuitable for large-scale popularization, high cost and maintenance complexity, and low parallel slicing efficiency, and achieve fast Seam browsing, low maintenance cost and complexity, and improved slicing efficiency
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[0029] In order to more clearly illustrate the embodiments of the present invention and / or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.
[0030] In order to realize fast and seamless browsing of massive raster map data on WebGIS, efficient slicing of these raster map data is required. The present invention proposes an efficient raster map slicing method, which is implemented based on GPU. The idea is as follows: firstly, the original raster map is dynamically divided into grids according to the number of GPU cores (ie, the number of stream processors), Obtain the slice area; then, fully schedule multiple stream ...
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