Ignite Spatial Boston 3 March 24, 2011

History and Growing Pains of OLIVER

Aleda Freeman

MassGIS

(Office of Geographic Information)

Information Technology Division

Commonwealth of MA

http://maps.massgis.state.ma.us/temp/oliver_ignite_spatial_boston_3.ppt

Ignite Spatial Boston 3 March 24, 2011

MassGIS = digital library with > 1,000 datalayers:

Landuse Wind Speed

Aerial Impervious

Photos Surface

Ignite Spatial Boston 3 March 24, 2011

Wind engineer

Where to put turbine?

Wind speed +Elevation + Roads + Zoning + Open Space +Wetlands

Vernal Pools Near?

Schools +Vernal Pools + Roads +Open Space

Teacher

Fisherman Real Estate Agent

Boat Ramps +Ponds +Roads

Aerial Photos +Parcels +Schools +Hospitals +Libraries + Open Space +Public Transit

Where to fish? Where to suggest houses?

Ignite Spatial Boston 3 March 24, 2011

A/Z buttons concepts

Zoom =

Where am I? How do I get to where I want to go?

Add =

How do I find the data that I want to add?

Ignite Spatial Boston 3 March 24, 2011

1. ESRI ArcView 3.x 2. ESRI ArcView 3.x runtime3. ESRI ArcView IMS 4. ESRI ArcIMS + MapAccess WMS + Java Web Start 5. GeoServer WMS + Java Web Start OLIVER6. GeoServer WMS + OpenLayers/GeoExt OLIVER

Viewer Technical History Late 1990s – 2011

Ignite Spatial Boston 3 March 24, 2011

MORIS = MA Ocean Resource Information System

Ignite Spatial Boston 3 March 24, 2011

GeoServer OpenLayers

GeoExt Bing geocoding

Google Yahoomaps User

Interface Library (YUI)

Ignite Spatial Boston 3 March 24, 2011

Type ahead search box

Ignite Spatial Boston 3 March 24, 2011

Flexible Bing geocoding

Ignite Spatial Boston 3 March 24, 2011

Various basemaps

Ignite Spatial Boston 3 March 24, 2011

Permalink to bookmark or email your map to someone

Ignite Spatial Boston 3 March 24, 2011

Flexible “identify” now a query with sort/select

Ignite Spatial Boston 3 March 24, 2011

Flexible Data Export

Ignite Spatial Boston 3 March 24, 2011

Opacity slider for layers (and basemaps)

Ignite Spatial Boston 3 March 24, 2011

Measure length, area - various units available

Ignite Spatial Boston 3 March 24, 2011

Configurable now:-Layers in folders-Layers on map-Extent-Basemap-Measure units-Title-Help-WMS server

Future: -Which tools are “on”

Different “Viewers”:

OLIVER – general dataMORIS – ocean dataSPOLIVER – crime statsMassBays Habitat AtlasMA State Facilities Viewer

Ignite Spatial Boston 3 March 24, 2011

code.google.com/p/morisoliver

Ignite Spatial Boston 3 March 24, 2011

MassGIS Funded:

-Programmable linked dropdowns to zoom to a feature-Editing tools-User “Comment” tool – tell us: wrong spelling, wrong place-More configurability – which tools

Coming Attractions

MOP Funded:

-Google Chrome, Safari support-Bring in other WMS-Misc. Issues

Ignite Spatial Boston 3 March 24, 2011

2 Main Types of OGC API Requests

WMS – Web Map Service (GetMap)- Image of a map returned (PNG, TIFF, etc)- Can get a legend graphic

WFS – Web Feature Service (GetFeature)- Feature info returned (attributes and/or coordinates)

For WMS or WFS:- Can filter on attributes or geometry- Can get data back in > 3,000 projections

Requests can be URL or XMLMany output formats: JPG, PNG, GML, KML, SHP, PDF,

XLS, CSV

Ignite Spatial Boston 3 March 24, 2011

http://lyceum.massgis.state.ma.us