Technical Insights & Perspectives

Deep dives into geospatial AI, cloud-native infrastructure, machine learning pipelines, and the emerging technologies shaping how we understand and interact with spatial data.

TerraLabel labeling interface showing AI-powered polygon selection on satellite imagery
Geospatial AI 26 January 2025 14 min read

One Click to Polygon: SAM2-Powered Satellite Labeling

TerraLabel turns a single click into a precise vector polygon on satellite imagery. Open-source, built on SAM2, deck.gl, and FastAPI.

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Terminal with code and data processing
Geospatial | 23 January 2025

The 20 GDAL/OGR Commands I Use Every Week

Reproject, convert, merge, and inspect raster and vector data from the terminal. Copy-paste-ready commands for GeoTIFF, GeoJSON, and everything in between.

GDALOGRCLI
5 min read
3D rendering of Earth from space
3D Visualization | 20 January 2025

A 3D Globe on Cloudflare: COG Tiles, TiTiler, and Three.js

COG tiles from R2, TiTiler in Cloudflare Containers, Three.js WebGL rendering. A serverless pipeline for interactive 3D Earth visualization.

CloudflareThree.jsTiTiler
12 min read
Global distribution of 105 million Foursquare POIs
Geospatial | 17 January 2025

DuckDB vs PostGIS vs Sedona: 105M POI Benchmark

DuckDB ran 10 spatial queries across 105M Foursquare POIs in 26 seconds with zero setup. PostGIS and Sedona needed significantly more infrastructure for comparable results.

DuckDBPostGISApache Sedona
15 min read
Earth from space showing city lights and data connections
Geospatial | 21 December 2024

GeoParquet 2.0: Native Geometry and a 191x Query Speedup

Bbox covering indexes in GeoParquet 2.0 make spatial queries 191x faster. Native GEOMETRY and GEOGRAPHY types eliminate the WKB decode step entirely.

GeoParquetParquetGeospatial
12 min read
Database server infrastructure with glowing connections
Database | 20 December 2024

PostgreSQL 18: io_uring Delivers 3x I/O Performance

Native async I/O with io_uring gives PostgreSQL 18 a 3x throughput boost on I/O-heavy workloads. Also shipping: skip scan, UUIDv7, and virtual generated columns.

PostgreSQLio_uringPerformance
14 min read
Python programming concept with code on screen
Programming Languages | 19 December 2024

Python 3.14 Drops the GIL: T-Strings and Free Threading

Production-ready free threading, t-strings for injection-safe templates, and native concurrent interpreters. Python 3.14 is the biggest runtime change in a decade.

PythonFree ThreadingT-Strings
15 min read
NASA satellite view of Earth showing atmospheric patterns
Data Engineering | 18 December 2024

Zarr 3 + Icechunk: Git for Petabyte-Scale Arrays

Icechunk adds transactional commits, branching, and time travel to Zarr 3 arrays on object storage. Version control for multi-dimensional scientific data, not just code.

ZarrCloud NativeScientific Computing
14 min read
Abstract data visualization with glowing points and lines
Visualization | 17 December 2024

deck.gl v9 Ships WebGPU: What Changes for Geospatial

The first geospatial vis library on WebGPU. deck.gl v9 rewrites the rendering pipeline via luma.gl v9, unlocking compute shaders and GPU-driven layer updates.

deck.glWebGPUluma.gl
12 min read
Satellite view of Earth showing cloud patterns and landmasses
Geospatial AI | 10 December 2024

Clay: One Foundation Model for All Earth Observation

Clay replaces dozens of task-specific remote sensing models with a single pre-trained system. Fine-tune for land cover, change detection, or crop classification with 10x less labeled data.

Machine LearningRemote SensingFoundation Models
12 min read
Modern data center with blue lighting
Infrastructure | 8 December 2024

PMTiles and COG Killed My Tile Server

HTTP range requests on static files replace dedicated tile infrastructure. PMTiles and COG serve maps directly from S3/R2 with no backend, no cache layer, and 90% lower cost.

CloudPMTilesCOG
10 min read
Aerial view of agricultural fields showing geometric patterns
Machine Learning | 5 December 2024

SAM2 in Production: Segmenting Satellite Imagery at Scale

Geo-SAM2 and samgeo turn Meta's foundation model into a production remote sensing tool. Zero-shot building extraction, crop boundaries, and flood mapping without training data.

SAM2SegmentationRemote Sensing
11 min read
Aerial view of a modern city skyline at dusk
Visualization | 2 December 2024

Digital Twin Cities with CesiumJS, deck.gl, and 3D Tiles

3D Tiles 1.1 streams photogrammetry meshes of entire cities into the browser. CesiumJS and deck.gl render them with real-time sensor overlays for urban planning and infrastructure ops.

Digital TwinCesiumJSdeck.gl
13 min read
Team collaborating at computer workstations
DevOps | 28 November 2024

Most Internal Developer Portals Fail. Here Is Why.

Backstage adoption stalls at 60% of orgs that try it. The portal-is-the-platform fallacy ignores golden paths, self-service infra, and developer workflow integration.

Platform EngineeringBackstageDeveloper Experience
9 min read
Abstract database visualization with connected nodes
Database | 25 November 2024

PostGIS + pgvector: 3 Billion Vectors in One Database

Earth Index runs PostGIS and pgvector in a single PostgreSQL instance to serve 3B embeddings for planetary environmental monitoring. One database for spatial queries and vector search.

PostGISpgvectorVector Database
14 min read
Close-up of electronic circuit board and microprocessor
Machine Learning | 22 November 2024

ML Inference on 250mW: TinyML for Geospatial Sensors

TinyML runs object detection and anomaly classification on microcontrollers drawing under 250mW. Real-time inference at the sensor, no cloud round-trip required.

Edge AITinyMLIoT
10 min read
Code on a computer screen showing syntax highlighting
Software Development | 18 November 2024

Svelte 5 Runes: 2-3x Faster Startup, 60-80% Smaller Bundles

Svelte 5 compiles reactivity away at build time. Runes replace the magic $: label with explicit $state, $derived, and $effect primitives that outperform React on every benchmark.

SvelteJavaScriptReactivity
11 min read
Industrial sensors and monitoring equipment
Infrastructure | 15 November 2024

MQTT to Kafka: Streaming 1M Sensor Events per Second

MQTT handles device ingestion; Kafka handles backpressure, replay, and fan-out. The architecture for bridging OT sensor networks to IT analytics at industrial scale.

KafkaMQTTIoT
12 min read
Digital security lock concept with circuit patterns
Security | 12 November 2024

Zero Trust Kubernetes: 57% Fewer Attacks in Practice

Network policies, mTLS via Linkerd, and Calico eBPF enforcement. A practical Zero Trust implementation for Kubernetes that reduced attack surface by 57% in production.

Zero TrustKubernetesSecurity
13 min read

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