OpenStreetMap Waterways for Africa
收藏Esri Aid & Development Team2026-03-28 收录
下载链接：
https://cartong-esriaiddev.opendata.arcgis.com/datasets/82232d0415c04e7086414dff7eb1310f_0
下载链接
链接失效反馈官方服务：
资源简介：
<span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:17px;'>This feature layer provides access to OpenStreetMap (OSM) </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:17px;'>waterways </span><font style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit; font-size:17px;'>data for Africa, which is </span></font><b>updated every 15 minutes</b><font style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit; font-size:17px;'> with the latest edits. This </span></font><a href='https://doc.arcgis.com/en/arcgis-online/share-maps/about-sharing-feature-layer-data-as-copies.htm' rel='nofollow ugc' style='color:rgb(0, 121, 193); font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; text-decoration-line:none;' target='_blank'>hosted feature layer view</a><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:17px;'> is referencing a hosted feature layer of OSM line (way) data in ArcGIS Online that is updated with minutely diffs from the OSM planet file. This feature </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:17px;'>layer view</span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:17px;'> includes waterway </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:17px;'>features defined as a query against the hosted feature layer (i.e. waterway is not blank).</span><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><font style='font-family:inherit;'><span style='font-family:inherit; font-size:17px;'><br /></span></font></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><font style='font-family:inherit;'><span style='font-family:inherit; font-size:17px;'>In OSM, a waterway </span></font><font style='font-family:inherit;'><font style='font-family:inherit;'><font style='font-family:inherit;'><span style='font-family:inherit; font-size:17px;'>describes rivers, streams and ditches with a flow of water from one place to another</span></font><font style='font-family:inherit;'><span style='font-family:inherit; font-size:17px;'>. These features are identified with a </span></font></font></font><font style='font-family:inherit;'><a href='https://wiki.openstreetmap.org/wiki/Key:waterway' rel='nofollow ugc' style='color:rgb(0, 121, 193); font-family:inherit; text-decoration-line:none;' target='_blank'>waterway tag</a><span style='font-family:inherit; font-size:17px;'>. There are hundreds of different tag values for waterway used in the OSM database. In this feature layer, unique symbols are used for several of the most popular waterway types, while lesser used types are grouped in an "other" category.<br /></span></font><div style='font-family:inherit;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'><br /></span></div><div style='font-family:inherit;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>Zoom in to large scales (e.g. </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>City level or 1:80k scale</span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>) to see the waterway features display. </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>You can click on </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>a </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>feature to get the name of the waterway (if available). The name of the waterway will display by default at large scales (e.g. Street level of 1:5k scale). Labels can be turned off in your map if you prefer.</span></div></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'><br /></span></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'><b>Create New Layer</b></span></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>If you would like to create a more focused version of this waterway layer displaying just one or two </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>waterway </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>types, you can do that easily! Just add the layer to a map, copy the layer in the content window, add a filter to the new layer (e.g. </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>waterway </span><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'>is dam), rename the layer as appropriate, and save layer. You can also change the layer symbols or popup if you like. Esri may publish a few such layers (e.g. streams and rivers) that are ready to use, but not for every type of waterway.</span></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'><br /></span></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size:17px;'><b><i>Important Note</i></b>: if you do create a new layer, it should be provided under the same Terms of Use and include the same Credits as this layer. You can copy and paste the Terms of Use and Credits info below in the new Item page as needed.</span></div>
提供机构：
{{source}}
