Realization of Navigation Road Expanding Based on GDAL API

doi:10.13474/j.cnki.11-2246.2018.0093

Abstract

Abstract:

This paper firstly introduces the basic knowledge of the popular open source library (GDAL),which reads the geographic information data,and analyzes the advantages of using GDAL to process navigation data.Through the analysis of the navigation data processing needs,this paper explains how to use GDAL in navigation data processing.Finally,this paper uses geometric method and buffering method to generate the outer line of a navigation road.The experiments show that the geometric method is superior to the buffer method in terms of computation speed and edge effect,while the buffer method has a better fitting effect on a long road than the geometric method.

Key words: navigation map, GDAL, OGR

CLC Number:

P208

GONG Yan. Realization of Navigation Road Expanding Based on GDAL API[J]. 测绘通报, 2018, 0(3): 139-142.

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