Drone mapping and GIS reference content from an experienced professional. Photogrammetry, LiDAR, GCPs, ArcGIS, and survey-grade accuracy.https://aerocartwright.com/en-ushttps://aerocartwright.com/library/point-cloud-classification-photogrammetry/https://aerocartwright.com/library/point-cloud-classification-photogrammetry/Classify drone point clouds into ground/vegetation/buildings with Metashape, LAStools, PDAL, CloudCompare, ArcGIS Pro. Tool decision framework.Wed, 01 Jul 2026 00:00:00 GMTPhotogrammetryhttps://aerocartwright.com/library/metashape-processing-settings/https://aerocartwright.com/library/metashape-processing-settings/A practitioner's guide to Agisoft Metashape processing settings: what each quality slider controls, why the tradeoffs matter, and three presets for real jobs.Mon, 29 Jun 2026 00:00:00 GMTPhotogrammetryhttps://aerocartwright.com/library/image-overlap-drone-mapping/https://aerocartwright.com/library/image-overlap-drone-mapping/Image overlap drone mapping: 75/60 is the floor, not the target. Here's what fails when overlap is wrong and how to set photogrammetry overlap by job type.Wed, 24 Jun 2026 00:00:00 GMTPhotogrammetryhttps://aerocartwright.com/library/odm-vs-odx-2026-fork/https://aerocartwright.com/library/odm-vs-odx-2026-fork/In April 2026 WebODM forked the OpenDroneMap stack and renamed it — ODM became ODX, NodeODM became NodeODX. Which one you actually install, and why.Mon, 22 Jun 2026 00:00:00 GMTSoftware & Processinghttps://aerocartwright.com/library/drone-mapping-automated-missions/https://aerocartwright.com/library/drone-mapping-automated-missions/WaypointMap vs Litchi Pilot vs DroneLink vs DJI Fly for automated Mini 4 Pro missions. KMZ workflow for RC 2, MSDK apps for Android.Fri, 19 Jun 2026 00:00:00 GMTConsumer Drone Mappinghttps://aerocartwright.com/library/drone-mapping-deliverables-export/https://aerocartwright.com/library/drone-mapping-deliverables-export/Orthomosaic export settings, point cloud formats, DEMs, coordinate systems — and how to package drone deliverables so clients can actually use them.Wed, 17 Jun 2026 00:00:00 GMTPhotogrammetryhttps://aerocartwright.com/library/drone-map-doming-effect/https://aerocartwright.com/library/drone-map-doming-effect/The drone map doming effect causes systematic elevation errors up to 13 ft — and the orthomosaic looks fine. Here's how to detect, fix, and prevent it.Mon, 15 Jun 2026 00:00:00 GMTPhotogrammetryhttps://aerocartwright.com/library/drone-mapping-quality-report/https://aerocartwright.com/library/drone-mapping-quality-report/The drone mapping quality report looks reassuring — until a client finds 8-inch errors. Learn to read every Pix4D and Metashape number before delivery.Mon, 15 Jun 2026 00:00:00 GMTSurvey Accuracyhttps://aerocartwright.com/library/drone-mapping-flight-parameters/https://aerocartwright.com/library/drone-mapping-flight-parameters/Drone mapping flight parameters: GSD, overlap, altitude, speed. 80% frontal / 70% side minimums. Accuracy improves 11x from 60% to 80% overlap.Fri, 12 Jun 2026 00:00:00 GMTConsumer Drone Mappinghttps://aerocartwright.com/library/checkpoints-vs-control-points-drone-survey/https://aerocartwright.com/library/checkpoints-vs-control-points-drone-survey/GCP residuals measure fit, not accuracy. Drone survey checkpoints provide independent validation. How to set them up in Pix4D, Metashape, WebODM.Wed, 10 Jun 2026 00:00:00 GMTSurvey Accuracyhttps://aerocartwright.com/library/photogrammetry-linux-compared/https://aerocartwright.com/library/photogrammetry-linux-compared/Compare RealityScan, OpenDroneMap, Meshroom, and COLMAP for photogrammetry on Linux. Headless processing, Docker deployment, and which tool fits your workflow.Mon, 08 Jun 2026 00:00:00 GMTTechnologyhttps://aerocartwright.com/library/diy-ground-control-points-drone-mapping/https://aerocartwright.com/library/diy-ground-control-points-drone-mapping/Set up survey-accurate GCPs without a surveyor or RTK. DIY target construction, budget measurement equipment, and field procedures that work.Fri, 05 Jun 2026 00:00:00 GMTConsumer Drone Mappinghttps://aerocartwright.com/library/multispectral-drone-non-agriculture/https://aerocartwright.com/library/multispectral-drone-non-agriculture/Multispectral drones aren't just for crops. Water quality, wildfire, building inspection, mining, forestry — 7 non-ag applications with ROI.Wed, 03 Jun 2026 00:00:00 GMTTechnologyhttps://aerocartwright.com/library/drone-data-arcgis-pro/https://aerocartwright.com/library/drone-data-arcgis-pro/Drone data in ArcGIS Pro: import orthomosaics, point clouds, DSMs. Workflow to volume calculations, contours, and ArcGIS Online delivery.Mon, 01 Jun 2026 00:00:00 GMTSoftwarehttps://aerocartwright.com/library/dji-mini-mapping-accuracy-benchmarks/https://aerocartwright.com/library/dji-mini-mapping-accuracy-benchmarks/DJI Mini 4 Pro mapping accuracy: ±6-16 ft GPS-only, ±4-12 in with DIY GCPs, ±0.5-1.2 in with surveyed GCPs. Consumer vs enterprise drones.Fri, 29 May 2026 00:00:00 GMTConsumer Drone Mappinghttps://aerocartwright.com/library/gaussian-splatting-drone-operators/https://aerocartwright.com/library/gaussian-splatting-drone-operators/3D Gaussian Splatting for drone operators: vs photogrammetry, accuracy benchmarks, software and pricing, hybrid workflow, what it cannot do.Wed, 27 May 2026 00:00:00 GMTPhotogrammetry Workflowhttps://aerocartwright.com/library/digital-twins-drone-construction/https://aerocartwright.com/library/digital-twins-drone-construction/Digital twin construction contracts pay $3K-15K/month recurring. The three-tier service model, CRS alignment, platforms, and how to win your first.Mon, 25 May 2026 00:00:00 GMTBusinesshttps://aerocartwright.com/library/first-orthomosaic-90-minutes/https://aerocartwright.com/library/first-orthomosaic-90-minutes/Fly a grid mission with a consumer drone, process a georeferenced orthomosaic in WebODM within 90 minutes. No GCPs, no survey gear, no paid software.Fri, 22 May 2026 00:00:00 GMTConsumer Drone Mappinghttps://aerocartwright.com/library/bvlos-drone-operations/https://aerocartwright.com/library/bvlos-drone-operations/BVLOS is coming. Part 108 rules, waiver process, equipment, PPK workflows, and the crew-savings math for corridor and linear infrastructure.Wed, 20 May 2026 00:00:00 GMTRegulationshttps://aerocartwright.com/library/webodm-cloud-why/https://aerocartwright.com/library/webodm-cloud-why/WebODM cloud vs local: AWS spot costs ($3-5/job), egress surprises, decision framework for when cloud wins vs when your workstation is better.Mon, 18 May 2026 00:00:00 GMTProcessing & Softwarehttps://aerocartwright.com/library/odm-ecosystem-intro/https://aerocartwright.com/library/odm-ecosystem-intro/WebODM, NodeODM, ClusterODM, and the new ODX fork — what each does in the free, open-source Pix4D alternative, and how to start mapping.Fri, 15 May 2026 00:00:00 GMTSoftware & Processinghttps://aerocartwright.com/library/webodm-vs-pix4d-consumer-drone/https://aerocartwright.com/library/webodm-vs-pix4d-consumer-drone/Free WebODM vs paid Pix4D for consumer drone imagery: orthomosaic quality, accuracy, real cost math, and exactly when each one is worth it in 2026.Wed, 13 May 2026 00:00:00 GMTConsumer Drone Mappinghttps://aerocartwright.com/library/nerf-vs-photogrammetry/https://aerocartwright.com/library/nerf-vs-photogrammetry/NeRF vs photogrammetry for drone mapping: accuracy numbers, output products, georeferencing limits, and a decision framework for when each wins.Mon, 11 May 2026 00:00:00 GMTPhotogrammetry Workflowhttps://aerocartwright.com/library/drone-mapping-processing-checklist/https://aerocartwright.com/library/drone-mapping-processing-checklist/Drone processing checklist: CRS setup, alignment QA, GCP integration, checkpoint validation, quality report review. Prevents accuracy failures.Fri, 08 May 2026 00:00:00 GMTData Processinghttps://aerocartwright.com/library/consumer-drone-mapping-guide/https://aerocartwright.com/library/consumer-drone-mapping-guide/Consumer drone mapping buyer's guide: DJI Mini 4 Pro vs Mini 3 Pro vs Autel Evo Nano+. Accuracy, rolling shutter, GCP needs — field-tested verdicts.Wed, 06 May 2026 00:00:00 GMTDrone Hardwarehttps://aerocartwright.com/library/qgis-drone-data/https://aerocartwright.com/library/qgis-drone-data/Complete QGIS workflow for drone data: import orthomosaics, build pyramids, contours from DEMs, point clouds, QField field review. QGIS 3.44 LTR.Mon, 04 May 2026 00:00:00 GMTGIS & Data Processinghttps://aerocartwright.com/library/drone-post-flight-checklist/https://aerocartwright.com/library/drone-post-flight-checklist/Post-flight QA checklist: image review, coverage verification, metadata validation, 3-2-1 backup. Part 4 of the drone mapping checklist series.Fri, 01 May 2026 00:00:00 GMTField Operationshttps://aerocartwright.com/library/united-flight-1980-drone-san-diego/https://aerocartwright.com/library/united-flight-1980-drone-san-diego/United Flight 1980 reported striking a red drone on approach to San Diego International Airport. Here's what the incident reveals about mixed airspace risk and what every Part 107 operator needs to understand.Thu, 30 Apr 2026 00:00:00 GMTAviation & Regulationshttps://aerocartwright.com/library/coordinate-systems-drone-operators/https://aerocartwright.com/library/coordinate-systems-drone-operators/WGS84 vs NAD83, state plane, vertical datums — the CRS settings drone operators get wrong, and how to fix them in Metashape, Pix4D, and ODM.Mon, 27 Apr 2026 00:00:00 GMTSurvey Accuracy & GCPshttps://aerocartwright.com/library/gcp-deployment-checklist/https://aerocartwright.com/library/gcp-deployment-checklist/GCP deployment checklist: placement, measurement procedure, photo documentation, field logging. Every step from planning through pre-flight.Fri, 24 Apr 2026 00:00:00 GMTField Operationshttps://aerocartwright.com/library/what-is-orthomosaic/https://aerocartwright.com/library/what-is-orthomosaic/An orthomosaic is a georeferenced image mosaic built from overlapping drone photos. How photogrammetry creates one, GSD, GeoTIFF vs COG, GIS use.Wed, 22 Apr 2026 00:00:00 GMTDrone Mapping Fundamentalshttps://aerocartwright.com/library/dsm-vs-dtm-vs-dem/https://aerocartwright.com/library/dsm-vs-dtm-vs-dem/DSM vs DTM vs DEM for drone operators: definitions, how each is derived from photogrammetry, ground classification, and when each product is required.Mon, 20 Apr 2026 00:00:00 GMTDrone Mapping Fundamentalshttps://aerocartwright.com/library/drone-mapping-mission-planning-checklist/https://aerocartwright.com/library/drone-mapping-mission-planning-checklist/Altitude, GSD, overlap, battery budget — the four parameters that decide whether drone mapping data is usable. Mission planning checklist for surveyors.Fri, 17 Apr 2026 00:00:00 GMTField Operationshttps://aerocartwright.com/library/lidar-vs-photogrammetry/https://aerocartwright.com/library/lidar-vs-photogrammetry/LiDAR vs photogrammetry for drone surveys: real accuracy numbers, hardware costs, processing workflows, and a decision framework — when each technology wins, and when it doesn't.Thu, 16 Apr 2026 00:00:00 GMTLiDAR & Remote Sensinghttps://aerocartwright.com/library/drone-survey-positioning-tiers/https://aerocartwright.com/library/drone-survey-positioning-tiers/Four positioning tiers for drone surveys: GPS, RTK/PPK, GCPs, and full RTK+GCPs+checkpoints. Match accuracy to the job — not every project needs the top tier.Wed, 15 Apr 2026 00:00:00 GMTSurvey Accuracy & GCPshttps://aerocartwright.com/library/drone-pre-flight-checklist/https://aerocartwright.com/library/drone-pre-flight-checklist/Pre-flight checklist for drone surveys: airspace verification, weather assessment, equipment inspection. Part 1 of the 7-phase drone mapping checklist series.Sat, 11 Apr 2026 00:00:00 GMTField Operationshttps://aerocartwright.com/library/webodm-odm-split/https://aerocartwright.com/library/webodm-odm-split/WebODM split from the OpenDroneMap nonprofit on April 6, 2026. What changed, why, and migration steps — new GitHub URLs, Docker images, docs.Fri, 10 Apr 2026 00:00:00 GMTSoftware & Processinghttps://aerocartwright.com/library/pix4d-vs-metashape-vs-webodm-vs-realitycapture/https://aerocartwright.com/library/pix4d-vs-metashape-vs-webodm-vs-realitycapture/WebODM vs Pix4D vs Metashape vs RealityCapture: pricing, speed, accuracy, and GCP workflow compared — and which one wins for survey-grade work in 2026.Wed, 08 Apr 2026 00:00:00 GMTSoftware & Processinghttps://aerocartwright.com/library/drone-mapping-checklist/https://aerocartwright.com/library/drone-mapping-checklist/Six-phase drone mapping checklist from pre-flight to deliverable handoff. Based on aviation protocols — prevents costly reflys and data rejection.Tue, 07 Apr 2026 00:00:00 GMTField Operationshttps://aerocartwright.com/library/drone-survey-accuracy/https://aerocartwright.com/library/drone-survey-accuracy/Real drone survey accuracy in 2026: ±2–5 cm horizontal, ±3–12 cm vertical typical. RMSE vs CE90 vs LE90 explained, ASPRS classes, 5 red flags in any quality report.Fri, 03 Apr 2026 00:00:00 GMTSurvey Accuracy & GCPshttps://aerocartwright.com/library/drone-mapping-its-all-about-risk/https://aerocartwright.com/library/drone-mapping-its-all-about-risk/Drone mapping risk framework: regulations, crashes, airspace, privacy, GPS spoofing. Four categories with LAANC, insurance, ADS-B, and checklists.Wed, 01 Apr 2026 00:00:00 GMTAviation & Regulationshttps://aerocartwright.com/library/rtk-vs-ppk-drone-mapping/https://aerocartwright.com/library/rtk-vs-ppk-drone-mapping/RTK vs PPK for drone surveys: both hit 1-3cm accuracy. RTK corrects in real time, PPK processes post-flight. Failure modes, costs, when to use each.Mon, 30 Mar 2026 00:00:00 GMTSurvey Accuracy & GCPshttps://aerocartwright.com/library/ground-control-points-drone-survey/https://aerocartwright.com/library/ground-control-points-drone-survey/How many ground control points does a drone survey need? 5 GCPs for under 5 acres, 8–12 for 50–500. Distribution beats density — and always include independent checkpoints.Fri, 27 Mar 2026 00:00:00 GMTSurvey Accuracy & GCPshttps://aerocartwright.com/library/why-you-should-consider-yourself-a-professional-pilot/https://aerocartwright.com/library/why-you-should-consider-yourself-a-professional-pilot/Your Part 107 certificate puts you in the same FAA system as airline captains. Sectional charts, LAANC, ADS-B In — airspace discipline matters.Fri, 27 Mar 2026 00:00:00 GMTAviation & Regulationshttps://aerocartwright.com/library/pix4dmatic-2-deep-dive/https://aerocartwright.com/library/pix4dmatic-2-deep-dive/PIX4Dmatic 2.0 absorbs PIX4Dsurvey into three tiers. Full comparison vs Metashape and DJI Terra on price, accuracy, GCP workflows, and deliverables.Tue, 24 Mar 2026 00:00:00 GMTSoftware & Processinghttps://aerocartwright.com/library/hardware-guide-drone-mapping/https://aerocartwright.com/library/hardware-guide-drone-mapping/Drone mapping hardware guide: CPU, GPU, RAM, NVMe requirements for photogrammetry. Workstation builds by project size and processing software.Fri, 13 Feb 2026 00:00:00 GMTHardware & Equipmenthttps://aerocartwright.com/library/drone-data-what-is-it/https://aerocartwright.com/library/drone-data-what-is-it/Drone data explained: imagery, orthomosaics, point clouds, elevation models, 3D meshes. How photogrammetry turns photos into geospatial products.Fri, 01 Dec 2023 00:00:00 GMTData & Deliverableshttps://aerocartwright.com/library/welcome-to-aerocartwright/https://aerocartwright.com/library/welcome-to-aerocartwright/AeroCartwright: drone mapping education and geospatial tools from a working GIS professional with firefighting, academic, and federal field experience.Wed, 05 Apr 2023 00:00:00 GMTGetting Started