Download presentation
Presentation is loading. Please wait.
Published byDorothy Arnold Modified over 9 years ago
1
Open Source Geo Tools Tyler Mitchell
2
Open Source Geo Tools Tyler Mitchell Geographer Open Source Geospatial Advocate GIS Manager at Timberline, B.C. Author Web Mapping Illustrated Using Open Source GIS Toolkits (O'Reilly)
3
Open Source Geo Tools Tyler Mitchell Data Components DatabasesFiles Spatial data access API Real-time apps
4
Open Source Geo Tools Tyler Mitchell Data Components PostgreSQL PostGIS MySQL Shape files GeoTIFF GML/XML CSV/Text Real-time GPS Web Services Search Geospatial Data Abstraction Layer (GDAL) MapServer / GeoServer for web services CC++ Python ImagesWMS WFS
5
Open Source Geo Tools Tyler Mitchell Functional Components Creation Manipulation Visualisation AnalysisData Conversion
6
Open Source Geo Tools Tyler Mitchell Data Creation Data Creation
7
Open Source Geo Tools Tyler Mitchell Data Creation Data Creation
8
Open Source Geo Tools Tyler Mitchell Conversion Data 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
9
Open Source Geo Tools Tyler Mitchell Manipulation Data Manipulation Raster clip > gdal_translate -projwin -122.19 52.21 -122.08 52.11 input_dem.tif output_clip.tif
10
Open Source Geo Tools Tyler Mitchell Manipulation Data Manipulation PostGIS query to buffer points > CREATE TABLE station_areas AS ( SELECT buffer(geo_points,2) FROM stations WHERE..
11
Open Source Geo Tools Tyler Mitchell Analysis Data Analysis
12
Open Source Geo Tools Tyler Mitchell Analysis Data Analysis PostGIS query to analysis distances > SELECT county.name FROM counties, stations WHERE distance(counties.geo, stations.geo) 150; name ----------- Barnstable Dukes Nantucket Plymouth
13
Open Source Geo Tools Tyler Mitchell Analysis Data Analysis
14
Open Source Geo Tools Tyler Mitchell Visualisation Data Visualisation
15
Open Source Geo Tools Tyler Mitchell Visualisation Data Visualisation
16
Open Source Geo Tools Tyler Mitchell Visualisation Data Visualisation
17
Open Source Geo Tools Tyler Mitchell Visualisation Data Visualisation
18
Open Source Geo Tools Tyler Mitchell Visualisation Data Visualisation
19
Open Source Geo Tools Tyler Mitchell Summary
20
Open Source Geo Tools Tyler Mitchell 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
21
Open Source Geo Tools Tyler Mitchell Contact & Follow-up MapTools.org FreeGIS.org O'Reilly Network Weblog oreillynet.com tylermitchell@shaw.ca
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.