GeoGratis

GeoGratis is a portal provided by the Earth Sciences Sector (ESS) of Natural Resources Canada (NRCan) which provides geospatial data at no cost and without restrictions via your Web browser. The data will be useful whether you are a novice who needs a geographic map for a presentation, or an expert who wants to overlay a vector layer of digital data on a classified multiband image, with a digital elevation model as a backdrop. The geospatial data are grouped in over 100 collections and are compatible with the most popular geographic information systems (GIS), with image analysis systems and the graphics applications of editing software.

GeoGratis是由加拿大自然资源部（NRCan）地球科学部门（ESS）提供的一个门户网站，该平台通过您的网络浏览器免费且无限制地提供地理空间数据。无论您是需要地理地图进行演示的新手，还是希望将数字数据矢量层叠加于分类多波段图像之上，并以数字高程模型为背景的专家，这些数据都将对您有所帮助。地理空间数据被归类于超过100个集合中，并与最流行的地理信息系统（GIS）、图像分析系统以及编辑软件的图形应用兼容。