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Sharing knowledge, tutorials, and reflections on Engineering and Technology trends.

2026-09-01 General

Nobody has time to learn one more piece of software: AI and open source

Last month I needed a photogrammetric flight grid over an area that was already open in QGIS, with the property...

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2026-08-26 Transport Engineering

Logis: waste collection routing in QGIS

Logis, my new QGIS plugin, has been approved in the official plugin repository as version 0.1.8, flagged experimental. It groups...

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2026-08-22 General

How to Compute the Federal Network's Ideb When INEP Does Not Publish That Series

Between 2019 and 2025 the average secondary-education Ideb rose in the state-run schools and fell in the federal schools I...

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2026-08-15 Transport Engineering

SIG-Bus: editing a route's GTFS timetable without opening the .zip

The BHTrans feed is loaded in QGIS, route 3350 is selected, and a few morning trips need to leave ten...

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2026-08-03 General

Two Years on Linux with AI: Emancipation or a Swapped Dependency?

Last week the laptop stopped waking from suspend. Black screen, fan spinning, and only Ctrl+Alt+F3 would hand me back a...

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2026-07-28 Geoprocessing

GisBR 0.4.3: SSL Certificates for Fresh Windows/OSGeo4W Installs

Someone installs QGIS from scratch through OSGeo4W, opens GisBR and tries to download any official layer. The answer is unable...

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2026-07-14 Transport Engineering

Desire Lines 0.3.2: Portuguese interface and QGIS 4.x (Qt6) compatibility

The Desire Lines plugin picked up two updates that change who can use it and where. The interface is now...

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2026-07-06 Geoprocessing

GisBR 0.3.2: OSM Road Networks and the End of the Experimental Label

About two years ago I talked with professor Xuesong (Simon) Zhou, from Arizona State University, one of the authors of...

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2026-07-01 Geoprocessing

GisBR: Brazil's Official Spatial Datasets Straight into QGIS

GisBR, my new QGIS plugin, has been approved in the official plugin repository as an experimental release. It brings the...

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2026-06-26 Transport Engineering

SIG-Bus: from the interface to the PDF report

SIG-Bus’s interface is deliberately compact: each button maps to a step in the analysis workflow, and no field asks for...

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2026-06-24 Urban Planning

How a Master Plan Is Built: the Five Stages in Practice

A Master Plan has to be revised at least every ten years. Yet before a single line of the bill...

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2026-06-24 Urban Planning

Reading the Territory: Diagnosing the Real City with Open Data

Reading the Territory is the stage where a Master Plan swaps the idealized city on paper for the city that...

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2026-06-16 Transport Engineering

SIG-Bus: GTFS Reader and Passenger Demand Integration for QGIS

SIG-Bus has a well-defined purpose: read GTFS feeds inside QGIS, cross-reference them with per-stop boarding records, and deliver synthetic reports...

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2026-06-03 Transport Engineering

Desire Lines 0.2.0: AoN allocation on Delaunay networks and QGIS usability updates

The new update of the Desire Lines plugin (version 0.2.0) introduces advanced flow allocation tools and significant usability enhancements. The...

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2026-05-28 Urban Planning

The Master Plan: Why It Relies on Surveying and Mapping

The Master Plan (in Brazil, Plano Diretor) is the basic law governing a municipality’s urban development and expansion policy, as...

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2026-05-21 Transport Engineering

Desire Lines plugin available in the official QGIS repository

The Desire Lines plugin is now integrated into the official QGIS plugin repository. This approval makes installation straightforward via the...

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