The Heron Mapping Client

HERONMAPPING CLIENT

Web Mapping Made Easy

Just van den Broecke - OpenGeoGroep - Viewer Shootout - Dec 14, 2012

maandag 17 december 2012

WEB MAPPING CLIENTS

OpenLayersMapQuery


http://www.openlayers.org/

http://www.openlayers.org/

http://geotux.tuxfamily.org/index.php?option=com_myblog&task=view&id=257&Itemid=59&lang=en

2011


http://geotux.tuxfamily.org/index.php?option=com_myblog&task=view&id=257&Itemid=59&lang=enxt

http://geotux.tuxfamily.org/index.php?option=com_myblog&task=view&id=257&Itemid=59&lang=enxt

http://geotux.tuxfamily.org/index.php/en/geo-blogs/item/291-comparacion-clientes-web-v6

2012




do we need yet another

web mapping client ?


HERON - MOTIVATION

Make web mapping (really) easy

Leverage the power of existing frameworks

Reusability for recurring apps like Viewers

Viewer Templates: e.g. service previews

Not an Island: provide for a complete web app


HERON - CONCEPTS

Declarative Programming

Component Based

Complete Webapp

Build on GeoExt (+ExtJS+OpenLayers)

the configuration is the app the app is the configuration


HELLO HERON

Heron.layout = { xtype: 'window', title: "Hello Heron", height: 280, width: 450,

items: [ { xtype: "gx_mappanel", layers: [new OpenLayers.Layer.WMS("World Map", "http://tilecache.osgeo.org/wms-c/Basic.py?"

{layers: 'basic', format: 'image/png' })], zoom: 1 } ]};

http://lib.heron-mc.org/heron/0.61/examples/minimal


http://tilecache.osgeo.org/wms-c/Basic.py?

http://tilecache.osgeo.org/wms-c/Basic.py?

http://lib.heron-mc.org/heron/0.61/examples/minimal/index.html


HELLO HERON

http://lib.heron-mc.org/heron/latest/examples/minimal




CASES


http://apps.heron-mc.org/previewapp




ARCHITECTURE

ExtJSOpen

Layers

GeoExt

Heron

Heron Apps


HERON HIGHLIGHTS

Configuration is the Application and v.v.

Based on major frameworks: OpenLayers, GeoExt, ExtJS (GXP planned)

Advanced widgets and features: LayerTrees, Printing, Vector/GML/INSPIRE, Editing, Grid Display, Export Excel etc.

Client-only: no server included or neededexcept standard OGC-WMS/WFS/., Printing, Proxy

Complete webapp, not just a Map/Viewer


HERON ADVANTAGESConfiguration-Basedno to minimal custom coding less code == less maintenancecustomers (PDOK, RVOB) maintain their own appsfixes/new Heron features benefit all apps

Development Speed

Standard frameworks OpenLayers, GeoExt, ExtJS (GXP planned)

No custom servers needed

Complete webapp, not just a Map/Viewer


LACKING IN HERON

Mobile

Learning curve configurationGeoExt/ExtJS/OpenLayers

Need more documentation


WHEN TO USE HERON

Functional “GIS Desktop-like Apps” toolbars/buttons/forms!

Preview-like apps/automatic configs PDOK, deegree

(Vector-)Data-intensive appsGML/WFS/INSPIRE

Whole website needed mini-CMS, see e.g. kademo.nl

Customers that are “semi-programmers”


DEVELOPMENT

Sponsors: Dutch Kadaster, RVOB

Initially developed by Just Objects and Geodan (ESDIN)

Main contributors from OpenGeoGroep.nl

Milo van der Linden, Just van den Broecke

Google Code project (GPLv3)

http://code.google.com/p/geoext-viewer - project

http://groups.google.com/group/geoext-viewer-devel - mailing list


http://code.google.com/p/geoext-viewer

http://code.google.com/p/geoext-viewer

http://groups.google.com/group/geoext-viewer-devel

http://groups.google.com/group/geoext-viewer-devel

HERON -LINKS

http://heron-mc.org

http://lib.heron-mc.org - hosted libshttp://apps.heron-mc.org/previewapp - demo


http://heron-mc.org

http://heron-mc.org

http://heron-mc.org

http://heron-mc.org



The Heron Mapping Client

Technology

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