ThinkGeo Wiki

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.

<html>
<h1>Waterway</h1>
<h3><img src="http://wiki.thinkgeo.com/wiki/_media/waterway_vector_polyline.png?w=18&h=18&t=1546849171&tok=3dadf9" /> buffer: 12.5%</h3>
</html>

{{:waterway.png}}

==== Zoom Level Applied: 4~19 ====
Waterway contains classes for rivers, stream, canal, drain and ditch as line type.From zoom level 4 to 9, the data of waterway is from [[http://www.naturalearthdata.com/|Natural Earth]], and the room level 10 to 19, it is OSM data. As for the NE data, the waterway layer are filtered by different types of data and the value of scalerank. Pay attention to the drain name and ditch name, because they are empty.

===== Columns =====

==== name field ====
^Field   ^Description^
|''name''   |The name (or names) used locally for the place.|
|''name_en''|English (if available, otherwise same as name)|

==== class ====
The main field used for styling the marine is ''class''. The varying number represent different values.

^Value             ^Description^
|'' 'river' ''  |The linear flow of a river, in flow direction.|
|'' 'stream' '' |Very small waterway.|
|'' 'canal' ''  |Artificial waterway.|
|'' 'drain' ''  |Artificial channel for rainwater drainage, often concrete lined.|
|'' 'ditch' ''  |Small artificial channel dug in the ground for rainwater drainage.|

User Tools

Site Tools

Page Tools