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QGIS - Spatial Thoughts

http://www.spatialthoughts.com/qgis

Open-source and liberally licensed tutorials and tips for QGIS. Widely used across the globe to learn and teach QGIS. http:/ www.qgistutorials.com. Becoming a QGIS Power User. Indian Institute of Remote Sensing (IIRS), Dehradun, India. Conducted a full day workshop at FOSS4G-India 2015 and taught hands-on exercises for Print Composer Atlas, Processing Framework and Python plugin development. [ Materials. Maps Engine Connector for QGIS. A short interview with an overview of the plugin.

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Spatial Thoughts

http://www.spatialthoughts.com/blog

Line Transact Surveys using OpenDataKit(ODK). This weekend, I got an opportunity to volunteer with a non-profit called Junglescapes. We took a day trip to the Bandipur forest in Karnataka where they have done extensive work in forest restoration. One of their success stories is working with the locals to remove invasive species such as Lantana . Creating Geospatial PDFs with GDAL Tools. Geo Data Processing with Mapshaper. Spatial Joins on the Command Line. Implementing a Field Data collection app for APD.

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Le Paper Globe - Spatial Thoughts

http://www.spatialthoughts.com/blog/misc/le-paper-globe

Sun 14 July 2013. A long pending weekend project is done. Printed, cut and folded a sturdy globe using the template from Le Paper Globe. This is not only fun, but a good prop to learn more about Geography. I envision it would make a fun do-it-yourself project with kids of all ages. Comments powered by Disqus. Line Transact Surveys using OpenDataKit(ODK). Creating Geospatial PDFs with GDAL Tools. Geo Data Processing with Mapshaper. Spatial Joins on the Command Line. QGIS Tutorials and Tips.

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Archives - Spatial Thoughts

http://www.spatialthoughts.com/archives.html

Archives for Spatial Thoughts. Sun 06 December 2015. Line Transact Surveys using OpenDataKit(ODK). Tue 27 October 2015. Creating Geospatial PDFs with GDAL Tools. Sat 24 October 2015. Geo Data Processing with Mapshaper. Sun 19 July 2015. Spatial Joins on the Command Line. Wed 29 April 2015. Implementing a Field Data collection app for APD. Sun 14 July 2013. Sat 06 July 2013. Calculate distance between a pair of lat/lon coordinates. Mon 29 October 2012. Notes from FOSS4G India - 2012. Sun 28 October 2012.

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Calculate distance between a pair of lat/lon coordinates - Spatial Thoughts

http://www.spatialthoughts.com/blog/gis/calculate-distance-spreadsheet

Calculate distance between a pair of lat/lon coordinates. Sat 06 July 2013. I recently had a need to calculate distance between a large number of latitude/longitude coordinate pairs. There are many options available if you want to import these in a GIS and run analysis. But there is a simpler and much more accesible way if you aren't doing very high accuracy calculations. I decided to write a simple. For Google Spreadsheets, which uses the well-known Haversine formula. Comments powered by Disqus.

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Spatial Joins on the Command Line - Spatial Thoughts

http://www.spatialthoughts.com/blog/gis/ogr-spatial-join

Spatial Joins on the Command Line. Sun 19 July 2015. GDAL and OGR libraries come with handy command-line tools. These tools are quite powerful and can save you a lot of effort if you know how to use them. Here I will show how to use the ogrinfo. Tools to perform spatial joins. A single command can do complex operations on your spatial data and save you a lot of clicking-around and data-munging in a GIS. The best way to get the command-line tools on Windows is via the OSGeo4W Installer. Command to check i...

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Implementing a Field Data collection app for APD - Spatial Thoughts

http://www.spatialthoughts.com/blog/odk/opendatakit-for-apd

Implementing a Field Data collection app for APD. Wed 29 April 2015. The Association for People with Disability (APD). Is a non-profit organization based out of Bangalore, India. Their mission is to reach out and rehabilitate people with disability from the under privileged segment. Over the past year, I along with my colleagues have been volunteering with them to develop a system that can help improve their field data collection efforts. This has many problems:. Server running on Google AppEngine. T...

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Notes from FOSS4G India - 2012 - Spatial Thoughts

http://www.spatialthoughts.com/blog/gis/foss4g-india-2012

Notes from FOSS4G India - 2012. Mon 29 October 2012. India’s first FOSS4G - India conference was organized on 25-26 October, 2012 at Hyderabad. This was a surprisingly low-profile event and there was very little buzz about it on the internet. I learnt about it just in time to register and make it to the event. Here I am sharing some notes and impressions. (notes are mostly from memory, so please excuse if I missed something). Keynote’s main message was that we should really focus on delivering applicatio...

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OpenDataKit (ODK) - Spatial Thoughts

http://www.spatialthoughts.com/opendatakit

Mobile Field Data Collection using OpenDataKit. Student Conference on Conservation Science (SCCS) 2015 - Bangalore. Introduce the participants to OpenDataKit (ODK) and taught practical skills to setup ODK tools for their own field data collection needs. Hands-on Workshop on OpenDataKit. Center for Ecological Studies, Indian Institute of Science (IISc), Bangalore. Active volunteer at Association of People with Disability - India. Deployed a ODK-based solution. Line Transact Surveys using OpenDataKit(ODK).

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Websites - Spatial Thoughts

http://www.spatialthoughts.com/websites

A crowd-sourced directory for GIS resources for India. A crowd-sourced directory for GPS resources for India. Line Transact Surveys using OpenDataKit(ODK). Creating Geospatial PDFs with GDAL Tools. Geo Data Processing with Mapshaper. Spatial Joins on the Command Line. Implementing a Field Data collection app for APD. QGIS Tutorials and Tips. 2015 Ujaval Gandhi · Powered by pelican-bootstrap3.