Open Source Geo Tools
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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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Open Source Geo Tools Tyler Mitchell

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Open source geo tools tyler mitchell

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.nameFROM counties, stationsWHERE 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


Summary

Summary


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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