Photogrammetry — Avent — Urban Community of Dunkirk

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 non-inhabitable building advances serving as comfort convenience. Surface cutting is carried out according to the different elevations (building wings).本数据集为比例尺1:500的高精度地形数据库，涵盖多种地表可见要素：道路、围栏、林地与草地、运河及各类建（构）筑物。 本数据集覆盖敦刻尔克城市共同体（Dunkirk CU）全域，可作为地形底图用于概要预项目管理，或作为基准地形研究的基础支撑数据。同时亦可用于分析区域空间演化进程。 该数据集共包含39个信息图层： 其中某图层涵盖用于提供便民配套服务的非居住性附属建筑。数据将依据不同高程（建筑翼部）开展地表削切作业。