karsten vennemann, seattle free and easy web mapping

Karsten Vennemann, Seattle

Free and Easy Web Mapping

Free and Easy Web Mapping slide 2 of 21

Talk overview

Goals

Explore selected Web Mapping Options focus on free and easy to set-up

overview & functionality live example map for each service

(point locations shape of GIS projects)

Highlights of Services


Goals Introduce to free and easy Web mapping

options i.e. free of charge & least technically challenging

Present a selection of the most prominent offerings of free and easy Web mapping providers

Comparison of functionality and restrictions to support informed decisions for choosing services


For Web Mapping an organisation typicallyhas their own server(s) hardware + software

setup


For certain use cases an organisation might benefit

from using free ( and easy to use) solutions of Online Web Mapping Solution

Service Providers


Free and easy Web mapping

options(a selection)

Google Maps + Fusion tables

ArcGIS online

GeoCommons

MapBox

Carto DB


Overview of free mapping services Provide free services, with optional paid

upgrade plan

Limitations on use (who), access and/or data storage flexibility architecture & functionality (paid or other) data storage size and formats map projection (all services in sperical mercator)

Similarities map projection (all services in spherical mercator) geographic search functions (all)

Services often provide APIs for programming (beyond easy)


Google Fusion Tables + Maps one option using Google maps via storage on

google drive (others options are KML or using API)

functionality includes some google base map styling private data in drive, publish for mapping styling of makers ID box html to embed in web site

data formats upload kml, shape files (via shape escape), csv, MS Excel file

limitations - any user, storage 5GB max (G. Drive) mapping featues < 100,000, > 500 features will show as dots, max five layers from Fusion Tables limited flexibility without API (e.g. Base layers Google

only)


Google Fusion Tables + Maps

http://www.shpescape.com/

Data on G drive

Data import


Data import

http://fusion-tables-api-samples.googlecode.com/svn/trunk/FusionTablesLayerWizard/src/index.html

Google Fusion Tables + Maps

Creates HTML for web page

http://osgis.terragis.net/google_no_roads_projects.html


ArcGIS online functionality

create, store, manage and share maps, apps, and data

tools: ID, measure, bookmarks, print, driving directions

style layer & ID tool via GUI, legend, base layers ESRI + OSM

access to large shared content ArcGIS REST API

limitations private individuals, non profit & educational

organizations free account data always public (groups for paid

accounts) storage 2GB max

data upload shape file (zip), csv file, GPS data file (gpx) ,

1000 feat. max, (250 geocoding addresses).


GeoCommons functionality

public and private data and maps + access to shared content

3D view using Google Earth plugin merge maps, edit data, GIS tools & analyze functions base layers: Google, Bing, NASA, OSM, Acetate download data in many formats (shape files, Excel, and KML) GeoIQ API (REST API and a JavaScript API)

limitations any user, private limited to 20MB storage and 10 private

maps analyses (two concurrent, 10/day) user groups: 5 max/user, 5 people/group geocoding 5,000 row limit

data upload: numerous formats

(part of ESRI since July 2012)


MapBox functionality

make it easy to design and publish beautiful custom maps

focused on tile storage (design options using TileMill) public and „private“ data,

private maps still accessible if URL known base layers: MapBox, Custom MapBox.js, ( REST + static) API, SDK toolkit for iOS

apps.

limitations vector data formats only GeoJSON, Tiles (MBTiles format)

-> more functionality planned regarding markers digitizing GUI fo data, but to include data files

need to use JS + HTML any user 3,000 map views/month + 50 MB storage


GUI Tools


TileMill complements MapBox

TM in a nutshell

desktop app

styling via CartoCSS

Photoshop like options

create & upload tiles

MBTiles format


CartoDB functionality

store data, raster + vector work with data (filter, edit

and merge datasets via GUI) styling via CartoCSS

visualization wizard GUI (simple, choropleth, bubble)

base layers: Google, Nokia, MapBox, Custom cartodb.js, SQL API, examples: layer with Google maps

or Leaflet

limitations any user, no private data 5 MB storage and 5 tables data upload: many formats


Highlights (small selection)

Google Maps + Fusion tables …map your data via google drive

ArcGIS online ...host your data and combine with large selection of shared data

GeoCommons …feature rich services + private data + analysis + large sel. shared data

MapBox …host your own base map (& create via TileMill)

Carto DB …store your own data, filter and manage via SQL, style via GUI

karsten vennemann, seattle free and easy web mapping

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