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Open Source Geo Tools Tyler Mitchell. Tyler Mitchell. Geographer Open Source Geospatial Advocate GIS Manager at Timberline, B.C. Author Web Mapping Illustrated Using Open Source GIS Toolkits (O\'Reilly). Data Components. Spatial data access API. Real-time apps. Databases. Files.

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Presentation Transcript
slide1

Open Source Geo Tools

Tyler Mitchell

tyler mitchell
Tyler Mitchell

Geographer

Open Source Geospatial Advocate

GIS Manager at Timberline, B.C.

Author Web Mapping Illustrated Using Open Source GIS Toolkits (O\'Reilly)

data components
Data Components

Spatial data access API

Real-time

apps

Databases

Files

data components1
Data Components

C

C++

Images

WMS

Python

WFS

Geospatial Data

Abstraction Layer (GDAL)

MapServer / GeoServerfor web services

Shape files

GeoTIFF

GML/XML

CSV/Text

Real-time GPS

Web Services

Search

PostgreSQLPostGIS

MySQL

functional components
Functional Components

Visualisation

Analysis

Manipulation

Creation

Data

Conversion

data creation
Data Creation

Creation

Data

data creation1
Data Creation

Creation

Data

conversion
Conversion

Raster conversion

> gdal_translate -of GTiff input.jpg output.tif

> gdal_translate -of ECW input.jpg output.ecw

Vector conversion

> ogr2ogr -f GML output.gml input.shp

Conversion

Data

manipulation
Manipulation

Raster clip

> gdal_translate -projwin -122.19 52.21 -122.08 52.11

input_dem.tif output_clip.tif

Manipulation

Data

manipulation1
Manipulation

PostGIS query to buffer points

> CREATE TABLE station_areas AS ( SELECT buffer(geo_points,2) FROM stations WHERE..

Manipulation

Data

analysis
Analysis

Analysis

Data

analysis1
Analysis

PostGIS query to analysis distances

> SELECT county.name FROM counties, stations WHERE distance(counties.geo, stations.geo) < 10 AND stations.power > 150;

name

-----------

Barnstable

Dukes

Nantucket

Plymouth

Analysis

Data

analysis2
Analysis

Analysis

Data

visualisation
Visualisation

Visualisation

Data

visualisation1
Visualisation

Visualisation

Data

visualisation2
Visualisation

Visualisation

Data

visualisation3
Visualisation

Visualisation

Data

visualisation4
Visualisation

Visualisation

Data

watch for
Watch For...

Continued progress of GDAL

Desktop GIS/mapping to stabilise

Further consolidation

Bridging between OSGeo/commercial

Web service platforms (OWS)

GUI to spatial database functions

"Foundation" development

contact follow up
Contact & Follow-up

MapTools.org

FreeGIS.org

O\'Reilly Network Weblogoreillynet.com

[email protected]

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