Photogrammetry — Roadside boundary — Dunkirk Urban Community

Accurate database at 1/500 containing many visible elements of the landscape: roads, enclosures, wooded and grassed areas, canals, buildings. This repository covers the entire territory of the Dunkirk CU and is used as a topographic background for the management of summary pre-projects or as a default topographic study. It is also used to analyse the evolution of the territory. It consists of 39 layers of information: This layer includes the road boundary having a minimum of 10 centimetres high border materialising the separation from other road components such as sidewalks, islets....比例尺为1:500的高精度数据库，涵盖诸多可辨识的地表景观要素：道路、围栏、林地区域与草地、运河以及建（构）筑物。 本数据集覆盖敦刻尔克城市共同体（Dunkirk CU）全域范围，可作为概略预项目管理的地形背景底图，亦可用作通用地形研究的基础数据。 同时，该数据集还可用于分析区域的空间演变进程。 该数据集共包含39个信息图层： 其中一类图层涵盖道路边界要素，其边界实体高度不低于10厘米，用于区分人行道、道路岛等其他道路组成单元。