Database Reference
In-Depth Information
Chapter 9. PostGIS and the Web
In this chapter, we will cover the following topics:
• Creating WMS and WFS services with MapServer
• Creating WMS and WFS services with GeoServer
• Creating a WMS Time with MapServer
• Consuming WMS services with OpenLayers
• Consuming WMS services with Leaflet
• Consuming WFS-T services with OpenLayers
• Developing web applications with GeoDjango - part 1
• Developing web applications with GeoDjango - part 2
Introduction
In this chapter, we will try to give you an overview of how you can use PostGIS to
developpowerfulGISwebapplications,using
Open Geospatial Consortium
(
OGC
)
webstandardssuchas
Web Map Service
(
WMS
)and
Web Feature Service
(
WFS
).
Inthefirsttworecipes,youwillgetanoverviewoftwoverypopularopen-sourceweb-
mappingengines—
MapServer
and
GeoServer
.Inbothoftheserecipes,youwillsee
how to implement the WMS and WFS services using PostGIS layers.
In the third recipe, you will implement a
WMS Time
service using MapServer to ex-
pose time-series data.
Inthenexttworecipes,youwilllearnhowtoconsumethesewebservicestocreatea
webmapviewerwithtwoverypopularJavaScriptclients.Inthefourthrecipe,youwill
useaWMSservicewith
OpenLayers
,whileinthefifthrecipe,youwilldothesame
thing using
Leaflet
.
In the sixth recipe, you will explore the power of
transactional WFS
to create web-
mapping applications that are able to edit data.
Finally,inthelasttworecipes,youwillunleashthepowerofthepopular
Django
web
framework,whichisbasedonPython,anditsnice
GeoDjango
library,andseehow
itispossibletoimplementapowerful
CRUD
GISwebapplication.Intheseventhre-
