https://geosat.com.co/en/blog Applied geospatial intelligence: cadastre, GIS, satellite imagery and more. en https://geosat.com.co/en/blog/anla-geographic-storage-model-checklist https://geosat.com.co/en/blog/anla-geographic-storage-model-checklist A preparation checklist for MAG structure, layers, domains, geometry, metadata and traceability under Resolution 2182 of 2016. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT AMBIENTAL ANLA MAG Resolution 2182 of 2016 geographic storage model environmental licensing metadata https://geosat.com.co/en/blog/common-anla-mag-submission-errors https://geosat.com.co/en/blog/common-anla-mag-submission-errors Review patterns for wrong versions, missing layers, domains, CRS, geometry, nulls, metadata and missing traceability. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT AMBIENTAL MAG errors ANLA geospatial quality domains environmental traceability https://geosat.com.co/en/blog/dane-data-territorial-intelligence https://geosat.com.co/en/blog/dane-data-territorial-intelligence Steps for retaining population universe, denominator, cutoff, territorial code and licence when integrating DANE statistics into coverage and prioritisation maps. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Territorial intelligence DANE data geostatistical framework territorial analysis geographic indicators https://geosat.com.co/en/blog/decree-0381-territorial-planning-determinants https://geosat.com.co/en/blog/decree-0381-territorial-planning-determinants How to inventory determinants, sources, geometry, validity, scale and conflicts during the regulatory transition without turning GIS into legal advice. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT ORDENAMIENTO Decree 381 of 2026 territorial determinants POT municipal GIS traceability https://geosat.com.co/en/blog/epsg-9377-energy-data-colombia https://geosat.com.co/en/blog/epsg-9377-energy-data-colombia What to record when transforming energy data to MAGNA-SIRGAS 2018 Origen-Nacional: source CRS, operation, units, controls and final format. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT ENERGÍA EPSG 9377 MAGNA-SIRGAS reprojection UPME energy data https://geosat.com.co/en/blog/eudr-plot-geolocation-colombia https://geosat.com.co/en/blog/eudr-plot-geolocation-colombia A guide to linking suppliers, products and plot geometry without confusing Colombian data readiness with certification or legal compliance in the European Union. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Supply chains EUDR Colombia plot geolocation agricultural traceability GeoJSON quality https://geosat.com.co/en/blog/geoportal-cost-colombia https://geosat.com.co/en/blog/geoportal-cost-colombia How to estimate a geoportal from data, users, functions, integrations, security, availability and operations without publishing universal prices. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT WEBGIS geoportal cost WebGIS map viewer GIS architecture operations https://geosat.com.co/en/blog/geospatial-mrv-carbon-nature-projects https://geosat.com.co/en/blog/geospatial-mrv-carbon-nature-projects A guide to linking spatial units, baselines, monitoring, calculations and evidence without confusing a data platform with environmental validation or certification. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Climate and nature geospatial MRV carbon and nature environmental baseline evidence traceability https://geosat.com.co/en/blog/gis-mining-colombia-data-permits https://geosat.com.co/en/blog/gis-mining-colombia-data-permits How to integrate titles, constraints, environmental data and operations without turning a spatial overlay into a legal conclusion or misusing AnnA Minería data. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Mining and territory GIS for mining AnnA Minería mining geospatial data spatial traceability https://geosat.com.co/en/blog/gis-pomca-watershed-data-colombia https://geosat.com.co/en/blog/gis-pomca-watershed-data-colombia A data path for inventorying sources, sustaining zoning, documenting land-use conflict and updating watershed monitoring without losing provenance. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Watersheds and environment POMCA Colombia watershed GIS environmental zoning geospatial metadata https://geosat.com.co/en/blog/gis-road-inventory-invias-corridors https://geosat.com.co/en/blog/gis-road-inventory-invias-corridors How to model corridors, segments, bridges, signs, inspections and interventions without confusing historical inventory with current condition. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT INFRAESTRUCTURA GIS road inventory road corridors INVÍAS road assets inspection https://geosat.com.co/en/blog/icde-agreement-003-geospatial-data https://geosat.com.co/en/blog/icde-agreement-003-geospatial-data An operational reading of Agreement 003 of 2025: inventory, ownership, metadata, quality, publishing and follow-up based on verified dates. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT INTEROPERABILIDAD ICDE Agreement 003 of 2025 geospatial data interoperability data governance https://geosat.com.co/en/blog/insar-subsidence-monitoring-colombia https://geosat.com.co/en/blog/insar-subsidence-monitoring-colombia How to assess feasibility, coherence, observation geometry and field evidence before using InSAR time series to prioritise inspections. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Earth observation InSAR Colombia subsidence monitoring Sentinel-1 ground deformation https://geosat.com.co/en/blog/iso-metadata-quality-ogc-geoservices https://geosat.com.co/en/blog/iso-metadata-quality-ogc-geoservices A local workflow to review XML, identification, ownership, extent, dates, licences and OGC capabilities before expert assessment. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT INTEROPERABILIDAD geospatial metadata GetCapabilities OGC ISO 19115 data quality https://geosat.com.co/en/blog/ladm-col-pot-data-model https://geosat.com.co/en/blog/ladm-col-pot-data-model A readiness guide for objects, sources, identifiers, relationships, determinants and metadata during the Decree 381 of 2026 transition. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT ORDENAMIENTO LADM_COL-POT POT data model territorial planning Decree 381 of 2026 https://geosat.com.co/en/blog/municipal-gis-risk-management-guide https://geosat.com.co/en/blog/municipal-gis-risk-management-guide How to organise hazards, exposure, vulnerability, events and actions so a municipal risk GIS supports priorities without replacing technical studies. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Risk management municipal risk management municipal GIS hazard maps territorial exposure https://geosat.com.co/en/blog/qfield-offline-field-data-colombia https://geosat.com.co/en/blog/qfield-offline-field-data-colombia Steps for designing forms, identifiers, basemaps, packages and reconciliation before sending field teams to areas without continuous connectivity. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT Field data collection QField Colombia offline data collection mobile QGIS field teams https://geosat.com.co/en/blog/sinc-road-information-structuring-colombia https://geosat.com.co/en/blog/sinc-road-information-structuring-colombia A guide to organise segments, location, inventory, condition, evidence and ownership before mapping road information to SINC v6. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT INFRAESTRUCTURA SINC v6 road information road inventory road management Colombia https://geosat.com.co/en/blog/sustainable-webgis-geoportal-architecture https://geosat.com.co/en/blog/sustainable-webgis-geoportal-architecture Data, service, application, security and operations design that lets a geoportal change its interface without rebuilding rules or sources. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT WEBGIS WebGIS architecture geoportal PostGIS OGC API GIS operations https://geosat.com.co/en/blog/upme-storage-model-energy-projects https://geosat.com.co/en/blog/upme-storage-model-energy-projects A method to organise layers, attributes, domains, metadata and traceability before producing SHP or GDB in EPSG:9377 for the applicable UPME scope. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT ENERGÍA UPME storage model energy geospatial data EPSG 9377 geodatabase SHP https://geosat.com.co/en/blog/utility-network-cadastre-colombia-guide https://geosat.com.co/en/blog/utility-network-cadastre-colombia-guide A practical method to inventory utility assets, define identifiers, control topology and preserve traceability without confusing networks with parcel cadastre. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT UTILITIES utility network cadastre utilities topology GeoJSON asset management https://geosat.com.co/en/blog/validate-geojson-topology-utility-networks https://geosat.com.co/en/blog/validate-geojson-topology-utility-networks What to review before integrating a utility GeoJSON: structure, declared CRS, geometry, duplicates, connectivity, attributes, traceability and diagnostic limits. Sat, 18 Jul 2026 00:00:00 GMT GEOSAT UTILITIES validate GeoJSON network topology geospatial quality metadata utilities https://geosat.com.co/en/blog/mapgis-modernization-open-geospatial-architecture-colombia https://geosat.com.co/en/blog/mapgis-modernization-open-geospatial-architecture-colombia What public sources establish about MapGIS Flex 3, MapGIS5, MapGIS9 and MapGIS10, and how to assess an implementation before renewing or migrating. Fri, 17 Jul 2026 00:00:00 GMT Daniel Marulanda GIS MapGIS modernization MapGIS migration MapGIS QGIS PostGIS geospatial architecture Colombia MapGIS geoportal GIS architecture assessment https://geosat.com.co/en/blog/mapgis-vs-qgis-postgis-colombia https://geosat.com.co/en/blog/mapgis-vs-qgis-postgis-colombia What an organization is actually comparing between the MapGIS suite and an architecture with QGIS, PostGIS, services and open viewers. A layer, cost and workflow matrix. Fri, 17 Jul 2026 00:00:00 GMT Daniel Marulanda GIS MapGIS vs QGIS MapGIS PostGIS MapGIS alternative open GIS architecture MapGIS migration Colombia https://geosat.com.co/en/blog/arcgis-qgis-migration-case-studies-government-savings https://geosat.com.co/en/blog/arcgis-qgis-migration-case-studies-government-savings A comparison of six public-sector GIS migrations: which savings were reported, which were projected, what was reinvested, and which figures remain unknown. Thu, 16 Jul 2026 00:00:00 GMT Daniel Marulanda GIS ArcGIS to QGIS migration QGIS case studies Esri license savings QGIS government PostGIS public sector open source GIS software GIS total cost of ownership https://geosat.com.co/en/blog/arcgis-qgis-postgis-migration-colombia-costs-2026 https://geosat.com.co/en/blog/arcgis-qgis-postgis-migration-colombia-costs-2026 How to calculate the total cost of moving from ArcGIS to QGIS/PostGIS in Colombia, including support, infrastructure, training and documented cases. Thu, 16 Jul 2026 00:00:00 GMT Daniel Marulanda GIS ArcGIS cost Colombia 2026 ArcGIS to QGIS migration QGIS PostGIS Colombia Esri licensing costs GIS total cost of ownership open source software migration https://geosat.com.co/en/blog/geospatial-foundation-models-ai-gis-2026 https://geosat.com.co/en/blog/geospatial-foundation-models-ai-gis-2026 NASA/IBM's Prithvi, Google DeepMind's satellite embeddings, ESA's Major TOM and the LLM assistants inside ArcGIS and QGIS: what changed between 2024 and 2026, what is verifiable, and what it means for Colombia. Thu, 02 Jul 2026 00:00:00 GMT Daniel Marulanda AI artificial intelligence GeoAI foundation models remote sensing ArcGIS QGIS https://geosat.com.co/en/blog/aerial-lidar-survey-colombia-when-cost https://geosat.com.co/en/blog/aerial-lidar-survey-colombia-when-cost Aerial LiDAR is the go-to tool for capturing bare ground under dense vegetation. This guide explains how it works, when it justifies its cost versus photogrammetry, and which variables set the price of a project in Colombia. Thu, 25 Jun 2026 00:00:00 GMT Daniel Marulanda TOPOGRAPHY LiDAR aerial LiDAR point cloud DTM topography photogrammetry elevation models https://geosat.com.co/en/blog/sentinel-2-vs-landsat-which-to-choose-colombia https://geosat.com.co/en/blog/sentinel-2-vs-landsat-which-to-choose-colombia Two free constellations, two different logics. We compare the resolution, frequency, bands and historical archive of Sentinel-2 and Landsat, and explain when each one fits —and why the answer is often to use both. Thu, 25 Jun 2026 00:00:00 GMT Daniel Marulanda GIS Sentinel-2 Landsat satellite imagery remote sensing spatial resolution monitoring https://geosat.com.co/en/blog/vegetation-indices-beyond-ndvi-colombia https://geosat.com.co/en/blog/vegetation-indices-beyond-ndvi-colombia NDVI is the starting point, not the answer to everything. This guide explains what each vegetation index measures, where NDVI saturates or misleads, and how to pick the right index for the crop and the agronomic question in Colombia. Thu, 25 Jun 2026 00:00:00 GMT Daniel Marulanda AGTECH vegetation indices NDVI NDRE NDWI SAVI EVI precision agriculture remote sensing https://geosat.com.co/en/blog/deforestation-satellite-monitoring-colombia https://geosat.com.co/en/blog/deforestation-satellite-monitoring-colombia How forest loss is detected from space in Colombia: Sentinel and Landsat sensors, early-warning systems, IDEAM's role, and how organizations can stand up operational deforestation monitoring. Tue, 16 Jun 2026 00:00:00 GMT Daniel Marulanda MONITORING deforestation satellite monitoring early warning Sentinel Landsat forests https://geosat.com.co/en/blog/digital-elevation-models-dem-dtm-dsm-colombia https://geosat.com.co/en/blog/digital-elevation-models-dem-dtm-dsm-colombia DEM, DTM and DSM are not synonyms. This guide clarifies the difference, reviews the sources available for Colombia (SRTM, COP30, ALOS, LiDAR) and explains when each model is the right choice. Tue, 16 Jun 2026 00:00:00 GMT Daniel Marulanda GIS elevation models DEM DTM DSM LiDAR topography https://geosat.com.co/en/blog/mass-appraisal-gis-cadastre-colombia https://geosat.com.co/en/blog/mass-appraisal-gis-cadastre-colombia Mass appraisal is the economic heart of the multipurpose cadastre. How homogeneous zones are built, the role GIS plays, which methods are used, and how the quality of land valuation is controlled in Colombia. Tue, 16 Jun 2026 00:00:00 GMT Daniel Marulanda CADASTRE mass appraisal multipurpose cadastre homogeneous zones land valuation GIS IGAC https://geosat.com.co/en/blog/artificial-intelligence-gis-geospatial-colombia https://geosat.com.co/en/blog/artificial-intelligence-gis-geospatial-colombia What AI really changes in the geospatial workflow: land cover classification, automated cadastral validation, change detection and prediction, with Colombian examples. Sat, 06 Jun 2026 00:00:00 GMT Daniel Marulanda AI artificial intelligence machine learning GIS remote sensing automation https://geosat.com.co/en/blog/land-use-change-analysis-qgis https://geosat.com.co/en/blog/land-use-change-analysis-qgis How to measure land cover and land use change between two dates with QGIS and Sentinel-2: classification, transition matrix and change map, with Colombian data. Sat, 06 Jun 2026 00:00:00 GMT Daniel Marulanda GIS QGIS land use change remote sensing supervised classification Sentinel-2 https://geosat.com.co/en/blog/oil-palm-satellite-monitoring-colombia https://geosat.com.co/en/blog/oil-palm-satellite-monitoring-colombia How satellite monitoring detects stress, bud rot and yield drops in oil palm before the human eye can. Indices, resolution and costs for Colombia. Sat, 06 Jun 2026 00:00:00 GMT Daniel Marulanda AGTECH oil palm satellite monitoring NDVI precision agriculture remote sensing https://geosat.com.co/en/blog/territory-digital-twin-colombia https://geosat.com.co/en/blog/territory-digital-twin-colombia Beyond the map: what a territory digital twin is, how it differs from a traditional GIS, and real applications in cadastre, road management and risk in Colombia. Sat, 06 Jun 2026 00:00:00 GMT Daniel Marulanda INNOVATION digital twin geospatial AI BIM-GIS smart city multipurpose cadastre https://geosat.com.co/en/blog/multipurpose-cadastre-complete-guide https://geosat.com.co/en/blog/multipurpose-cadastre-complete-guide Complete guide to Colombia's multipurpose cadastre. Definition, the 5 components (physical, legal, fiscal, economic, environmental), regulatory framework (Law 1955, Decree 148, Resolution 388), phased implementation, costs and fiscal benefits for municipalities. Tue, 26 May 2026 00:00:00 GMT Daniel Marulanda CADASTRE multipurpose cadastre IGAC LADM-COL Decree 148 2020 Resolution 388 cadastral manager cadastral operator https://geosat.com.co/en/blog/choosing-geospatial-consultancy https://geosat.com.co/en/blog/choosing-geospatial-consultancy A guide for evaluating geospatial consultancies. Experience, tech stack, proprietary products, LADM-COL, migration, AI, references, and more. Thu, 20 Feb 2025 00:00:00 GMT Daniel Marulanda GUIDE geospatial consultancy Colombia GIS evaluation https://geosat.com.co/en/blog/cadastral-software-colombia-comparison https://geosat.com.co/en/blog/cadastral-software-colombia-comparison Comparison of LADM-COL cadastral software platforms in Colombia. IGAC tools, commercial platforms, and full-service solutions. Sat, 15 Feb 2025 00:00:00 GMT Daniel Marulanda CADASTRE cadastral software LADM-COL Colombia Terraes comparison https://geosat.com.co/en/blog/arcgis-qgis-government-decision-guide https://geosat.com.co/en/blog/arcgis-qgis-government-decision-guide Decision framework for choosing between ArcGIS and QGIS in Colombian government agencies. Costs, LADM-COL, migration, and real cases. Wed, 12 Feb 2025 00:00:00 GMT Daniel Marulanda GIS ArcGIS QGIS government Colombia migration decision https://geosat.com.co/en/blog/drone-topography-colombia-costs https://geosat.com.co/en/blog/drone-topography-colombia-costs Complete guide to drone topography in Colombia. Costs per hectare, achievable accuracies, Civil Aviation regulations, and comparison with traditional surveying. Mon, 10 Feb 2025 00:00:00 GMT Daniel Marulanda TOPOGRAPHY drones topography photogrammetry Colombia costs https://geosat.com.co/en/blog/choosing-cadastral-operator https://geosat.com.co/en/blog/choosing-cadastral-operator What to look for when hiring a cadastral operator. LADM-COL experience, technical capacity, proprietary software, XTF export, and IGAC compliance. Wed, 05 Feb 2025 00:00:00 GMT Daniel Marulanda CADASTRE cadastral operator LADM-COL IGAC multipurpose cadastre https://geosat.com.co/en/blog/qgis-basic-tutorial https://geosat.com.co/en/blog/qgis-basic-tutorial Practical introduction to QGIS for government staff. Installation, data loading, visualization, spatial queries, and publishing with GeoServer. Sat, 25 Jan 2025 00:00:00 GMT Daniel Marulanda GIS QGIS tutorial government GIS GeoServer https://geosat.com.co/en/blog/sentinel-2-environmental-monitoring https://geosat.com.co/en/blog/sentinel-2-environmental-monitoring How to use free Sentinel-2 imagery for deforestation monitoring, vegetation cover, and land-use change detection in Colombia. Sat, 18 Jan 2025 00:00:00 GMT Daniel Marulanda MONITORING Sentinel-2 environmental monitoring deforestation Colombia NDVI https://geosat.com.co/en/blog/terraes-cadastral-platform https://geosat.com.co/en/blog/terraes-cadastral-platform Architecture, features, and use cases of Terraes, the LADM-COL cadastral platform with which we have updated 9 municipalities. Virtual office, XTF export, and AI validation. Fri, 10 Jan 2025 00:00:00 GMT GEOSAT SOFTWARE Terraes LADM-COL cadastre platform software https://geosat.com.co/en/blog/implementing-ladm-col https://geosat.com.co/en/blog/implementing-ladm-col What is LADM-COL, how the data model works, how to generate XTF files, and what IGAC requires. Based on our experience in 29 municipalities. Wed, 08 Jan 2025 00:00:00 GMT Daniel Marulanda CADASTRE LADM-COL XTF IGAC cadastre https://geosat.com.co/en/blog/ai-automated-cadastre https://geosat.com.co/en/blog/ai-automated-cadastre How we apply artificial intelligence to automate cadastral validation, detect inconsistencies, and reduce errors in property management. Sun, 05 Jan 2025 00:00:00 GMT Daniel Marulanda AI AI cadastre automation machine learning validation https://geosat.com.co/en/blog/postgis-cadastre-guide https://geosat.com.co/en/blog/postgis-cadastre-guide How to use PostGIS as a geospatial database for cadastral management. Installation, data structure, spatial queries, and connecting to QGIS. Fri, 20 Dec 2024 00:00:00 GMT Daniel Marulanda SOFTWARE PostGIS cadastre QGIS PostgreSQL https://geosat.com.co/en/blog/ndvi-crop-monitoring https://geosat.com.co/en/blog/ndvi-crop-monitoring Analysis of new satellite indices (MSAVI, GNDVI, OSAVI) and when to use each in Colombian crops. Mon, 04 Nov 2024 00:00:00 GMT Daniel Marulanda AGTECH NDVI MSAVI OSAVI agriculture https://geosat.com.co/en/blog/ladm-col-18-municipalities https://geosat.com.co/en/blog/ladm-col-18-municipalities What the LADM-COL standard is, how XTF export works, and what it means for cadastral management in Colombia. Tue, 22 Oct 2024 00:00:00 GMT Daniel Marulanda CADASTRE LADM-COL XTF cadastre https://geosat.com.co/en/blog/cadastral-operator-software https://geosat.com.co/en/blog/cadastral-operator-software Why the next decade of cadastre will be defined by code quality. Mon, 30 Sep 2024 00:00:00 GMT Daniel Marulanda OPINION cadastre software opinion