Home on Spatial Thoughts

Agentic Coding for Geospatial

Mon, 01 Jan 0001 00:00:00 +0000

Learn how to use agentic AI for solving complex geospatial problems

Geospatial Developer Essentials

Mon, 01 Jan 0001 00:00:00 +0000

A new course covering Git, GitHub, Cloud fundamentals, and Data Versioning with Kart.

Introduction to QGIS

Mon, 01 Jan 0001 00:00:00 +0000

A hands-on introduction to QGIS for newcomers to GIS.

Mastering GDAL Tools

Mon, 01 Jan 0001 00:00:00 +0000

GDAL is an open-source library for raster and vector geospatial data formats. The library comes with a vast collection of utility programs that can perform many geoprocessing tasks

Python Foundation for Spatial Analysis

Mon, 01 Jan 0001 00:00:00 +0000

AI-assisted introduction to coding for geospatial practioners.

Advanced QGIS

Mon, 01 Jan 0001 00:00:00 +0000

Take your QGIS skills to the next level with automation, modelling and advanced visualization.

Automating GIS Workflows with QGIS

Mon, 01 Jan 0001 00:00:00 +0000

This is an intermediate-level class that takes a deep dive into the Processing Toolbox for building fast, automated and reproducible workflows.

Building Your Geospatial Portfolio Website

Mon, 01 Jan 0001 00:00:00 +0000

A gentle introduction to Git, GitHub, and Web Development for building a personal portfolio website.

Cloud Native Remote Sensing with Python

Mon, 01 Jan 0001 00:00:00 +0000

Learn remote-sensing using modern open-source stack.

Creating Publication Quality Charts with Google Earth Engine

Mon, 01 Jan 0001 00:00:00 +0000

This is an intermediate-level class that covers novel datasets and shows how to create high-quality data visualizations with Google Earth Engine and Google Charts. This class also

End-To-End Google Earth Engine

Mon, 01 Jan 0001 00:00:00 +0000

Learn to use Google Earth Engine for remote sensing analysis at scale.

From Cloud to Desktop: Working with Earth Engine Data in QGIS

Mon, 01 Jan 0001 00:00:00 +0000

Use cloud-based datasets in your QGIS workflows.

Google Earth Engine for Water Resources Management

Mon, 01 Jan 0001 00:00:00 +0000

The aim of this course is to introduce Google Earth Engine platform to apply remote sensing techniques using openly available Earth Observation datasets. The course also teaches pa

Mapping and Data Visualization with Python

Mon, 01 Jan 0001 00:00:00 +0000

This is an intermediate-level class that covers Python libraries for creating static and dynamic visualizations, dashboards, and interactive web apps. You will learn how to create

Storytelling with GeoLibre

Mon, 01 Jan 0001 00:00:00 +0000

A new workshop on GeoLibre - the open-source web-based GIS - covering story maps, 3D walkthroughs and animations.

PyQGIS Masterclass - Customizing QGIS with Python

Mon, 01 Jan 0001 00:00:00 +0000

A hands-on class that teaches you how to customize QGIS using the Python API. This intermediate-level course is intended for users who want to learn how to use programming techniqu

Python Foundation for Spatial Analysis (October 2026)

Wed, 21 Oct 2026 00:00:00 +0000

Advanced QGIS (September 2026)

Wed, 16 Sep 2026 00:00:00 +0000

Introduction to QGIS (September 2026)

Wed, 02 Sep 2026 00:00:00 +0000

Learn Cloud Native Remote Sensing with Python in 30 Days

Fri, 28 Aug 2026 00:00:00 +0000

Welcome to #PythonRemoteSensingChallenge - Learn Cloud Native Remote Sensing with Python in 30 Days! We have designed this challenge to help you learn how to process, analyze and visualize satellite...

Agentic Coding for Geospatial (August 2026)

Mon, 17 Aug 2026 00:00:00 +0000

Cloud Native Remote Sensing with Python (August 2026)

Tue, 04 Aug 2026 00:00:00 +0000

Introduction to QGIS (July 2026)

Tue, 14 Jul 2026 00:00:00 +0000

Cloud Native Remote Sensing with Python (June 2026)

Tue, 23 Jun 2026 00:00:00 +0000

Building Your Geospatial Portfolio Website (June 2026)

Wed, 10 Jun 2026 00:00:00 +0000

Reflections on AI as an Educator

Tue, 12 May 2026 00:00:00 +0000

This is an ongoing post with my thoughts on how AI is changing how we learn and how to keep your skills relevant.

Building Your Geospatial Portfolio Website (May 2026)

Wed, 06 May 2026 00:00:00 +0000

Learning SQL with DuckDB

Tue, 05 May 2026 00:00:00 +0000

Historically, the open-source spatial analysis workflows lived in different silos

Python Foundation for Spatial Analysis (April 2026)

Wed, 08 Apr 2026 00:00:00 +0000

Advanced QGIS (April 2026)

Thu, 02 Apr 2026 00:00:00 +0000

Advanced QGIS (March 2026)

Wed, 25 Mar 2026 00:00:00 +0000

Building a CRM for My Small Business

Fri, 20 Mar 2026 00:00:00 +0000

I started Spatial Thoughts in 2020 as an online training academy. We have been hosting cohort-based training courses ever since and the business has steadily grown over the years. As with many small...

Introduction to QGIS (March 2026)

Tue, 10 Mar 2026 00:00:00 +0000

Understanding and Monitoring Earth Engine Quota

Mon, 09 Feb 2026 00:00:00 +0000

Google recently announced Earth Engine Noncommercial Tiers for Google Earth Engine. This is a big change that affects all the non-commercial users of the GEE platform. Before the change, if you...

End-To-End Google Earth Engine (2026 Cohort for Googlers)

Wed, 04 Feb 2026 00:00:00 +0000

FOSS4G Asia 2026

Thu, 29 Jan 2026 00:00:00 +0000

The FOSS4G Asia 2026 conference was hosted at Nashik, India from 21-25 January 2026. This was a special event for me because I was part of the local organizing committee and worked alongside a...

From Cloud to Desktop: Working with Earth Engine Data in QGIS (December 2025)

Wed, 17 Dec 2025 00:00:00 +0000

Python Foundation for Spatial Analysis (December 2025)

Tue, 02 Dec 2025 00:00:00 +0000

FOSS4G 2025 Auckland

Sun, 23 Nov 2025 00:00:00 +0000

The Free and Open Source Software for Geospatial (FOSS4G) 2025 conference happened in Auckland, New Zealand from 17-23 November 2025. It was a week-long event with 2 days of workshops followed by 3...

Get a Country-specific World Map in QGIS

Mon, 13 Oct 2025 00:00:00 +0000

QGIS comes bundled with a simplified version of the Natural Earth Countries shapefile that is suitable for quick map-making. The layer can be loaded into your canvas by typing the keyword world in...

Geo for Good 2025

Sun, 21 Sep 2025 00:00:00 +0000

Geo for Good is Google's annual conference focused on their geospatial and cloud offerings. The 2025 edition of the summit was hosted at both New York and Singapore. I was glad to take part in the...

End-To-End Google Earth Engine (September 2025)

Mon, 15 Sep 2025 00:00:00 +0000

Google Earth Engine for Water Resources Management (August 2025)

Mon, 04 Aug 2025 00:00:00 +0000

Mapping and Data Visualization with Python (July 2025)

Mon, 07 Jul 2025 00:00:00 +0000

Advanced QGIS (June 2025)

Wed, 25 Jun 2025 00:00:00 +0000

Python Foundation for Spatial Analysis (June 2025)

Mon, 16 Jun 2025 00:00:00 +0000

QGIS User Conference 2025

Wed, 11 Jun 2025 00:00:00 +0000

The QGIS International User Conference 2025 happened in Norrköping, Sweden from 2-3 June 2025. I have been to the previous conferences in 2024, 2023 and 2019 and always look forward to the annual...

PyQGIS Masterclass - Customizing QGIS with Python (May 2025)

Mon, 05 May 2025 00:00:00 +0000

End-To-End Google Earth Engine (April 2025)

Tue, 01 Apr 2025 00:00:00 +0000

Extracting Building Heights from Open Buildings 2.5D Temporal Dataset

Sat, 29 Mar 2025 00:00:00 +0000

In this post, you will learn how to work with the Open Buildings 2.5D Temporal data and download it for many useful downstream applications, such as Visibility Analysis, Population Modeling, and 3D...

Advanced QGIS (March 2025)

Mon, 17 Mar 2025 00:00:00 +0000

Introduction to QGIS (3-6 March 2025)

Mon, 03 Mar 2025 00:00:00 +0000

End-To-End Google Earth Engine (Jan 2025)

Mon, 20 Jan 2025 00:00:00 +0000

Python Foundation for Spatial Analysis (January 2025)

Thu, 09 Jan 2025 00:00:00 +0000

Creating QGIS Models with Optional Inputs and Conditional Processing

Fri, 29 Nov 2024 00:00:00 +0000

QGIS Model Designer offers powerful functionality for automating workflows. Many workflows are based on conditional logic that can generate different outputs based on the inputs provided. This post...

Advanced QGIS (November 2024)

Tue, 12 Nov 2024 00:00:00 +0000

Tiling Large Exports in Google Earth Engine

Wed, 23 Oct 2024 00:00:00 +0000

When exporting large rasters from Google Earth Engine, it is recommended that you split your exports into several smaller tiles. In this post, I will share the best practices for creating tiled...

#PythonDatavizChallenge - Learn Mapping and Data Visualization with Python in 30 Days

Sun, 13 Oct 2024 00:00:00 +0000

Welcome to #PythonDatavizChallenge - Learn Mapping and Data Visualization with Python in 30 Days! We have designed this challenge to help you learn how to create charts, maps, animations, dashboards...

Geo for Good 2024

Sat, 05 Oct 2024 00:00:00 +0000

Geo for Good is Google's annual summit that brings together users of Google mapping tools. It's usually a large conference hosted at Google HQ in Mountain View, California. This year however, they...

QGIS User Conference 2024

Sat, 14 Sep 2024 00:00:00 +0000

The QGIS International User Conference 2024 happened in Bratislava, Slovakia from 9-10 September 2024, followed by the Contributor Meeting from 11-13 September 2024. This is one of my favorite events...

End-To-End Google Earth Engine (July 2024)

Mon, 29 Jul 2024 00:00:00 +0000

Python Foundation for Spatial Analysis (July 2024)

Thu, 18 Jul 2024 00:00:00 +0000

#PyQGISChallenge - Master QGIS Python Development in 30 Days

Mon, 15 Jul 2024 00:00:00 +0000

Welcome to #PyQGISChallenge - Master QGIS Python Development in 30 Days! We are launching our PyQGIS Masterclass course on YouTube and have designed this challenge to help you learn how to customize...

Introduction to QGIS (8-16 July 2024)

Mon, 08 Jul 2024 00:00:00 +0000

Exploring the Global 30m Land Cover Change Dataset (1985-2022) GLC_FCS30D

Sat, 29 Jun 2024 00:00:00 +0000

A temporally consistent global multi-class time-series classification dataset is critical to understand and quantify long-term changes. Till now, the choices were limited to lower resolution datasets...

Mapping and Data Visualization with Python (June 2024)

Tue, 25 Jun 2024 00:00:00 +0000

End-To-End Google Earth Engine (June 2024)

Mon, 03 Jun 2024 00:00:00 +0000

#30DaysOfQGIS - Master QGIS in 30 Days

Mon, 13 May 2024 00:00:00 +0000

Welcome to #30DaysOfQGIS! We have launched our Advanced QGIS course on YouTube and have designed this challenge to help you master QGIS! Spend 30 minutes each day for the next 30 days to level-up...

PyQGIS Masterclass - Customizing QGIS with Python (April 2024)

Thu, 25 Apr 2024 00:00:00 +0000

Rendering Print Layouts from QGIS Models

Mon, 08 Apr 2024 00:00:00 +0000

When automating GIS workflows, one often needs to automate the creation of cartographic outputs. The QGIS Model Designer allows you to build a workflow by combining multiple Processing algorithms....

Reprojecting and Aggregating Rasters with GDAL

Tue, 02 Apr 2024 00:00:00 +0000

When working with raster datasets of different projections and resolutions, it is often desirable to reproject them to the same projection and align them to the same pixel grid. In this post, we will...

Advanced QGIS (April 2024)

Mon, 01 Apr 2024 00:00:00 +0000

End-To-End Google Earth Engine (March 2024)

Mon, 04 Mar 2024 00:00:00 +0000

GDAL and Google Cloud Storage (GCS)

Mon, 26 Feb 2024 00:00:00 +0000

GDAL has support for GDAL Virtual File System which allows GDAL library and command-line tools to work with files on network storage. This is critical in the era of Cloud-Native Geospatialwhere it is...

Teaching Remote Sensing to Kids

Sat, 24 Feb 2024 00:00:00 +0000

I was recently asked to deliver a session on Earth Science for kids. My daughter goes to an after-school science program at Max Science where they teach science with unique and fun hands-on...

Mastering GDAL Tools (February 2024)

Mon, 19 Feb 2024 00:00:00 +0000

Estimating Above Ground Biomass using Random Forest Regression in GEE

Wed, 07 Feb 2024 00:00:00 +0000

In this post, we will learn how to build a regression model in Google Earth Engine and use it to estimate total above ground biomass using openly available Earth Observation datasets.

Python Foundation for Spatial Analysis (February 2024)

Mon, 05 Feb 2024 00:00:00 +0000

End-To-End Google Earth Engine (Googlers' Cohort January 2024)

Fri, 19 Jan 2024 00:00:00 +0000

Google Earth Engine for Water Resources Management (January 2024)

Mon, 08 Jan 2024 00:00:00 +0000

LISS4 Image Processing using XArray and Dask

Mon, 25 Dec 2023 00:00:00 +0000

ISRO recently released the full archive of medium and low-resolution Earth Observation dataset to the public. This includes the imagery from LISS-IV camera aboard ResourceSat-2 and ResourceSat-2A...

Enhancing Land Cover with Local Knowledge

Wed, 22 Nov 2023 00:00:00 +0000

Dynamic World is a new landcover product developed by Google and World Resources Institute (WRI). It is a unique dataset that is designed to make it easy for users to develop locally relevant...

Mapping Building Density with Open Building Datasets

Sat, 16 Sep 2023 00:00:00 +0000

Extracting building footprints from high-resolution imagery is a challenging task. Fortunately we now have access to ready-to-use building footprints dataset extracted using state-of-the-art ML...

Understanding Pixel Weights in Zonal Statistics

Thu, 13 Jul 2023 00:00:00 +0000

An important concept in spatial statistics is pixel weights. When calculating pixel statistics with a polygon, partial pixel overlaps are treated differently by different packages and you need to...

QGIS International User Conference 2023

Tue, 25 Apr 2023 00:00:00 +0000

QGIS User Conference 2023 took place in Netherlands on 18-19 April, 2023. This conference was organized by the Dutch QGIS User Group in the small town of 's -Hertogenbosch.

Automated Coastline Extraction from Satellite Images using Google Earth Engine

Wed, 18 Jan 2023 00:00:00 +0000

In this article, I will outline a method for extracting shoreline from satellite images in Google Earth Engine. This method is scalable and automatically extracts the coastline as a vector polyline....

Running QGIS Processing Tools on the Command Line with qgis_process

Sat, 30 Jul 2022 00:00:00 +0000

Modern versions of QGIS comes with a handy command-line utility called qgis_process. This allows you to access and run any Processing Tool, Script or Model from the Processing Toolbox on a terminal....

Managing Earth Engine Assets using the GEE Python API

Thu, 24 Feb 2022 00:00:00 +0000

If you are like me, you have a lot of assets uploaded to Earth Engine. As you upload more and more assets, managing this data becomes quite a cumbersome task. Earth Engine provides a handy...

Weighted Multi-Criteria Overlay Analysis using GDAL Tools

Mon, 31 Jan 2022 00:00:00 +0000

Multi-criteria Overlay Analysis is the process of the allocation of land to suit a specific objective on the basis of a variety of attributes that the selected areas should possess. Although this is...

Creating Animated Plots with Matplotlib

Fri, 14 Jan 2022 00:00:00 +0000

Matplotlib has functionality to created animations and can be used to create dynamic visualizations. In this post, I will explain the concepts and techniques for creating animated charts using Python...

Temporal Gap-Filling with Linear Interpolation in GEE

Mon, 08 Nov 2021 00:00:00 +0000

Many applications require replacing missing pixels in an image with an interpolated value from its temporal neighbours. This gap-filling technique is used in several applications, including:

Working with QA Bands and Bitmasks in Google Earth Engine

Thu, 19 Aug 2021 00:00:00 +0000

Most optical satellite imagery products come with one or more QA-bands that allows the user to assess quality of each pixel and extract pixels that meet their requirements. The most common...

Split Polygons into Equal Parts using QGIS

Sat, 12 Jun 2021 00:00:00 +0000

In this post, I describe how we can use built-in QGIS processing tools to create a workflow to split polygons into equal parts. Using a clever algorithm and Feature Iterator tool in the Processing...

Calculating Weighted Centroids

Fri, 14 May 2021 00:00:00 +0000

In this post, I will outline techniques for computing weighted-centroids in both QGIS and Google Earth Engine. For a polygon feature, the centroid is the geometric center. It can also be thought of...

Aggregating Gridded Population Data in Google Earth Engine

Thu, 13 May 2021 00:00:00 +0000

Google Earth Engine makes it easy to compute statistics on gridded raster datasets. While calculating statistics on imagery datasets is easy, special care must be taken when working with population...

QGIS for Urban and Regional Planning

Mon, 15 Mar 2021 00:00:00 +0000

I recently taught a 1-month long course on GIS Applications in Urban and Regional Planning. We explored how GIS can be applied to solve problems in 6 different thematic areas. In this post, I will...

K-Means Clustering with Equal Sized Clusters in QGIS

Sun, 31 Jan 2021 00:00:00 +0000

K-Means Clustering is a popular algorithm for automatically grouping points into natural clusters. QGIS comes with a Processing Toolbox algorithm 'K-means clustering' that can take a vector layer and...

Spatial Homogeneity Testing of Raingauge Data with Advanced QGIS Expressions

Thu, 26 Nov 2020 00:00:00 +0000

Rainfall is arguably the most frequently measured hydro-meteorological variable. It is a required input for many hydrological applications like runoff computations, flood forecasting as well as...

Working with Gridded Rainfall Data in Google Earth Engine

Wed, 28 Oct 2020 00:00:00 +0000

Many useful climate and weather datasets come as gridded rasters. The techniques for working with them is slightly different than other remote sensing datasets. In this post, I will show how to work...

Histogram Matching in Google Earth Engine

Tue, 14 Jul 2020 00:00:00 +0000

Color correction is an important process working with satellite and aerial imagery. A common technique used to balance the colors across multiple images is Histogram Matching. While the algorithm has...

Fast Point-in-Polygon Analysis with GeoPandas and Uber's H3 Spatial Index

Wed, 01 Jul 2020 00:00:00 +0000

Spatial indexing methods help speed up spatial queries. Most GIS software and databases provide a mechanism to compute and use spatial index for your data layers. QGIS as well as PostGIS use a...

Calculating Area in Google Earth Engine

Fri, 19 Jun 2020 00:00:00 +0000

When working on Remote Sensing applications, many operations require calculating area. For example, one needs to calculate area covered by each class after supervised classification or find out how...

Fixing Rasters with Missing Data using QGIS, GDAL and Python

Wed, 17 Jun 2020 00:00:00 +0000

When working with raster data, you may sometimes need to deal with data gaps. These could be the result of sensor malfunction, processing errors or data corruption. Below is an example of data gap...

Lessons from Hosting Online Training Events

Tue, 12 May 2020 00:00:00 +0000

As everyone who is involved in teaching and training knows, the past few months have been hard. We all had to make changes to accommodate working from home and adopting online teaching methods....

History and Evolution of Location Intelligence Technology

Sat, 18 Apr 2020 00:00:00 +0000

I was invited to participate in a panel discussion on Geospatial Intelligence for #LetsTalkDeepTech Webcast hosted by Swiggy. I talked about the history and evolution of this space and gave a deep...

Extracting Time Series using Google Earth Engine

Mon, 13 Apr 2020 00:00:00 +0000

Time series analysis is one of the most common operations in Remote Sensing. It helps understanding and modeling of seasonal patterns as well as monitoring of land cover changes. Earth Engine is...

Calculating Shared Border Lengths Between Polygons

Wed, 08 Apr 2020 00:00:00 +0000

In a previous post, I showed how to use the aggregate function to find neighbor polygons using QGIS. Using aggregate functions on the same layer allows us to easily do geoprocessing operations...

Creating Maps with Google Earth Engine and PyQGIS

Sat, 04 Apr 2020 00:00:00 +0000

Google Earth Engine (GEE) is a powerful cloud-based system for analysing massive amounts of remote sensing data. One area where Google Earth Engine shines is the ability to calculate time series of...

Snapping GPS tracks to Roads using PyQGIS and OSRM

Sat, 22 Feb 2020 00:00:00 +0000

If you have collected GPS tracks, you know that the results can have varying accuracy. The track points collected along a route are not always on the road and can be jittery.

Exporting Print Layouts from Processing Scripts

Sun, 09 Feb 2020 00:00:00 +0000

When trying to automate your GIS workflows, one important step is the production of maps. Creating and exporting maps in QGIS is done via the Print Layout. One can automate creation of maps via the a...

Reclassifying Rasters using gdal_calc

Sat, 28 Dec 2019 00:00:00 +0000

gdal_calc is one of the lesser used tools among the GDAL utilities. There aren't many examples of using it in the wild and some advanced features are not well documented. I am finding myself using it...

Optimizing Office Commute with Uber Movement Data

Fri, 08 Nov 2019 00:00:00 +0000

In a previous post, I showed how to use the Uber Movement Travel Times data to create isochrones. In this post, we will explore another use case of this dataset. Say you are concerned about loss of...

Generating Random Points with a Specific Distribution

Thu, 07 Nov 2019 00:00:00 +0000

Generating pseudo-random data is important for many aspects of research work. QGIS provides for many methods of generating random points to facilitate this.

Convert between Orthometric and Ellipsoidal Elevations using GDAL

Sat, 26 Oct 2019 00:00:00 +0000

When working with elevation data, sometimes you may discover that 2 datasets from different providers have very different elevation values for the same location. A common reason for this being each...

Fuzzy Table Joins in QGIS

Thu, 26 Sep 2019 00:00:00 +0000

Table Joins are a way to join 2 separate layers based on a common attribute value. QGIS has a Join Attributes By Field Value algorithm that allows you to perform table joins. A limitation of this...

Analyzing Urban Mobility with Uber Movement Data

Thu, 15 Aug 2019 00:00:00 +0000

Mapshaper is a free and open-source software for spatial data processing. It is written in javascript and runs in your browser without any extra plugins and can perform a range of analysis. It...

Find Neighbor Polygons using Summary Aggregate Function in QGIS

Thu, 23 May 2019 00:00:00 +0000

Read my previous posts Summary Aggregate and Spatial Filters and Advanced Aggregate Expressions to Automate QA to learn more about the powerful aggregate function.

Advanced Aggregate Expressions to Automate QA in QGIS

Fri, 19 Apr 2019 00:00:00 +0000

This post is the continuation of Summary Aggregate and Spatial Filters in QGIS. I have been exploring aggregate functions more and have found interesting ways to automate tasks in QGIS. One such...

Summary Aggregate and Spatial Filters in QGIS

Fri, 12 Apr 2019 00:00:00 +0000

QGIS expression engine has a powerful a summary aggregate function that can do spatial joins on the fly. This enables some very interesting uses.

Approximating Geodesic Buffers with PyQGIS

Fri, 05 Apr 2019 00:00:00 +0000

When you want to buffer features that are spread across a large area (such as global layers), there is no suitable projection that can give you accurate results. This is the classic case for needing...

Creating Animated Flight Lines in QGIS

Thu, 21 Mar 2019 00:00:00 +0000

You may have seen a map where source and destination points are connected via curved lines. It is possible to create such a map in QGIS with a simple trick - using custom projections and...

QGIS User Conference 2019

Fri, 08 Mar 2019 00:00:00 +0000

I got a chance to attend the 3rd Annual QGIS User Conference at A Coruña, Spain.

Convert between UTM and Degree coordinates using Google Spreadsheets

Sun, 29 Apr 2018 00:00:00 +0000

Converting between different coordinate reference systems or projection is a fairly standard feature in a GIS. There are a number of command line tools also available for performing bulk-conversions....

OpenAQ Workshop Notes

Fri, 25 Nov 2016 00:00:00 +0000

I recently attended the OpenAQ workshop in Delhi . The workshop’s goal was to bring tech, science and media folks working on air quality together and brainstorm how to use open data to tackle air...

Line Transact Surveys using OpenDataKit(ODK)

Sun, 06 Dec 2015 00:00:00 +0000

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...

Creating Geospatial PDFs with GDAL Tools

Sun, 25 Oct 2015 00:00:00 +0000

GeoPDF is a unique data format that brings the portability of PDF to geospatial data. A GeoPDF document can present raster and vector data and preserve the georeference information. This can be a...

Geo Data Processing with Mapshaper

Sat, 24 Oct 2015 00:00:00 +0000

Mapshaper is a free and open-source tool that is best known for fast and easy simplification. Other tools for simplification - like QGIS or ogr2ogr - do not preserve topology while simplifying. This...

Spatial Joins on the Command Line

Sun, 12 Jul 2015 00:00:00 +0000

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 and...

Implementing a Field Data collection app for APD

Wed, 29 Apr 2015 00:00:00 +0000

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...

Le Paper Globe

Sun, 14 Jul 2013 00:00:00 +0000

A long pending weekend project is done. Printed, cut and folded a sturdy globe using the template from Le Paper Globe.

Calculate distance between a pair of lat/lon coordinates

Sat, 06 Jul 2013 00:00:00 +0000

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...

Notes from Carotonama

Sun, 28 Oct 2012 00:00:00 +0000

I was at #cartonama conference in Bangalore on 23rd September, 2012. It was wonderful to be among geogeeks and see the energy and enthusiasm. Got to see some great demos and LBS apps from startups in...

Notes from FOSS4G India - 2012

Sat, 20 Oct 2012 00:00:00 +0000

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...

GIS Project Ideas for Thesis/ Dissertation/ Internship

Mon, 25 Oct 2010 00:00:00 +0000

Many students have asked me for ideas on what topic they should choose for their Thesis. I have debated this myself when I was a student. The ideal topic would be the one that allows you to dive into...

About

Mon, 01 Jan 0001 00:00:00 +0000

Who we are, how open content pays for itself, and the people who teach the classes.

Cancellations and Refunds

Mon, 01 Jan 0001 00:00:00 +0000

We have a very liberal cancellation and refund policy for all our instructor-led online classes.

Contact

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How to reach Spatial Thoughts: general queries, and logistics and support for our live classes.

Discounts and Scholarships

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At Spatial Thoughts, we want to make learning accessible to everyone. We offer student discounts and scholarships for all our training programs.

Learning Resources

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All our free and open learning resources: the full material of our courses as open courseware, and suggested learning paths through them by technology and level.

Privacy Policy

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At Spatial Thoughts LLP, accessible from https://spatialthoughts.com/, one of our main priorities is the privacy of our visitors. This Privacy Policy document contains types of information that is collected and recorded by Spatial Thoughts LLP and how we use it.

Spatial Thoughts Academy

Mon, 01 Jan 0001 00:00:00 +0000

Started in 2020, our online academy has grown to serve participants from over 100 countries. We offer short cohort-based courses that help you learn and master complex skills.

Introduction to QGIS

Advanced QGIS

Python Foundation for Spatial Analysis

Agentic Coding for Geospatial

What makes our academy unique

Globally Accessible

We have mastered the art of delivering a perfect learning experience online. All of our courses are offered in a live online environment making them accessible to everyone. We have trained thousands of participants from across the globe.

Free Mentoring and Support

We are your support system as you start applying your newly acquired skills to real-world problems. We offer free lifetime support to all our participants - ensuring you are never stuck.

Cohort-Based Learning

Going through a course alongside a group of peers is a proven way to learn faster and more effectively. Your questions are answered live and code errors are debugged in real-time.

Networking and Support

All the participants become part of our global alumni network. Join our monthly online meetups to keep updated with latest developments and connect with other professionals.

Unique Teaching Style

Our classes are fun, informal, and highly interactive. The sessions consist of lectures, hands-on exercises, live quizzes, discussions, and personalized problem-solving.

Globally Recognized Certification

All of our courses come with employer verifiable certification. We are one of the handful QGIS.org certifying organizations globally and offer the most affordable program to earn your QGIS certification.

Our courses are designed to address the gap between the traditional GIS skillset and the needs of modern large-scale spatial analytics.

Sponsor a Candidate

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You can sponsor candidates to attend our live instructor-led certification courses. Each batch of our live training courses has two free seats reserved for scholarships.

Talks and Lectures

Mon, 01 Jan 0001 00:00:00 +0000

Ujaval Gandhi is an accomplished public speaker and a keen follower of the geospatial industry. He has been invited to speak at talks, lectures, and panel discussions at various industry and academic events.

Terms of Service

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Welcome to Spatial Thoughts! By accessing or using our website, you agree to comply with and be bound by the following Terms of Service. Please read these terms carefully before using our website.

Testimonials

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Reviews from participants of our live classes.