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Category: Tutorial

Processing Sentinel-1 SAR images using Sentinel Application Platform (SNAP)

In this tutorial, I will walk through some of the basic steps needed to process the Sentinel-1 SAR data using SNAP. For this tutorial, I am using SNAP version 7.0. You can check the version of the SNAP from Help -> About SNAP…

  1. If you do not have already, go ahead and download the SNAP
CONTINUE READING

Adding and Updating attribute to a shapefile using ArcPy

In this tutorial, we will be adding the attribute to the shapefile and updating its value using ArcPy. You need to have ArcGIS installed in order to use ArcPy. This script has been tested with ArcGIS Version 10.6 but should work with most versions.

Go ahead and download the data from here. This data … CONTINUE READING

Batch zipping your shapefiles with Python

In this tutorial, we are going to write a simple script to zip your shapefiles so you can upload them to Google Earth Engine (GEE). If you are following along, refer to this post, you can see that GEE takes in certain kind of files in for it to be valid shapefile. Alternatively, you … CONTINUE READING

Making forest map using GLAD TCC and TCH Layers

Use the following code or follow the linkCONTINUE READING

Make a simple landcover classification map using Regression Tree

The full code for classification after obtaining sample points is here. The full code for classification with sample points generated on the fly is here.

Note: This is a very simple method for generating Landcover maps meant for showing the basic workflow for generating Landcover maps. You can use more sophisticated algorithms like CONTINUE READING

Filter a Feature Collection by attribute in Google Earth Engine

The full source code for the same can be found here.

  1. If you do not have the data yet, you can download it from here. I downloaded the Admin 1 boundary, but this method is generic, so applies to any shapefile that you have.
  2. Open up the QGIS or any other GIS software
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Uploading a shapefile to Google Earth Engine

  1. In Code Editor, shapefiles can be uploaded to the assets. In the code editor, on the left side panel, go to Assets.
  2. Click NEW and Table upload.shape-file-upload
  3. In the popup screen. Make sure you have the correct path for the asset. Click SELECT. Point to the directory that has your shapefile. Earth Engine
CONTINUE READING

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