Kshitij Raj Sharma
Student, Coopernicus Masters in Digital Earth | Open Source Geospatial Developer | OSGeo Nepal | AI Engineer at HOTOSM
Salzburg, Austria
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I am Kshitij raj sharma from Nepal , An OSM enthusiastic , Open Source Spatial Developer , Geomatics Engineer. I love maps and love contributing & making tools that benefits humankind
Area of Expertise
Collaborative field mapping with Field-TM
Despite heroic efforts by mapping communities on HOT's Tasking Manager, many parts of the world are still unmapped. Often the data does not reflect the reality on the ground, particularly when it comes to OSM tags.
Field-TM aims to help validating existing data with field verified information, and to add additional tags based on the situation on the ground. The goal is not to re-invent the wheel, but to leverage existing tech and coordinate the mapping amongst teams.
VirtuGhan : Virtual Computation Cube for EO Data
VirtuGhan is a Virtual Computation Cube designed for efficient on-the-fly tile computation of Earth Observation Data, similar to Google Earth Engine but utilizing open-source tools. It enables tiles based calculations on satellite images at various zoom levels using COGs, rio-tiler. The project prioritizes efficient computation over storage, allowing direct analysis of images without needing to store the entire dataset. Read more : https://github.com/kshitijrajsharma/VirtuGhan/
Raster & Vector analysis using Uber H3 Indexes and PostgreSQL
In this talk, we will explore how we can use Uber H3 indexes for both vector and raster analysis. We'll discuss performance considerations, limitations, advantages, and how H3 tiles with raster cell values can be presented on maps. We'll also cover Raster-to-H3 conversion strategies. Our toolkit will include rasterio, gdal,COG,PostgreSQL and their integration with H3 Python and h3ronpy libraries. We'll go through the analysis process using vector datasets from OSM & couple of available COG
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