41554 blogs · [ { "id": "01a087a0-c9b5-7230-90fc-6592b6f76814", "title": "ETL With OpenStreetMap: Simple Things Are Simple, But Then What?", "url": "https://martijn.vanexel.net/20251115-etl-with-openstreetmap/", "published_at": "2025-11-15T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592b7b1e5ad", "title": "POI classification and OSM, a match made in hell", "url": "https://martijn.vanexel.net/20251115-poi-classification-osm/", "published_at": "2025-11-15T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592b8a1c16b", "title": "What The Quad update", "url": "https://martijn.vanexel.net/20250916-whatthequad/", "published_at": "2025-09-16T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592b8e75905", "title": "Meet Your Mappers 1.2 is out", "url": "https://martijn.vanexel.net/20250903-meet-your-mappers-1.2.0/", "published_at": "2025-09-03T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592b9c687e3", "title": "I built a little command line tool to track my time", "url": "https://martijn.vanexel.net/20250820-timetracker/", "published_at": "2025-08-19T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592b9d1ca45", "title": "Pedestrian Accessibility in OpenStreetMap", "url": "https://martijn.vanexel.net/20250815-osm-pedestrian-automated-reports/", "published_at": "2025-08-15T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592ba12385c", "title": "Meet Your Mappers", "url": "https://martijn.vanexel.net/20250524-meet-your-mappers-sotmus-2025/", "published_at": "2025-06-24T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592ba964b01", "title": "MapRoulette at 13 years old", "url": "https://martijn.vanexel.net/20250623-maproulette-sotmus-2025/", "published_at": "2025-06-23T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bb36e9e1", "title": "OpenStreetMap JOSM Turn Lane Tagging Tutorial Video", "url": "https://martijn.vanexel.net/20250401-josm-lane-mapping-tutorial/", "published_at": "2025-04-08T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bb64e6e2", "title": "Meet Your Mappers - Discover OpenStreetMappers Around You!", "url": "https://martijn.vanexel.net/20250401-meetyourmappers/", "published_at": "2025-04-01T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bc1b2ed9", "title": "Building an OSM Tools Quick Access Browser Extension", "url": "https://martijn.vanexel.net/20250330-osm-tools-browser-extension/", "published_at": "2025-03-30T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bc697ae5", "title": "My Obsidian Daily Note Template", "url": "https://martijn.vanexel.net/20250328-obsidian-daily-template/", "published_at": "2025-03-28T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bd17d3b7", "title": "Obsidian Tasks", "url": "https://martijn.vanexel.net/20250323-obsidian-tasks/", "published_at": "2025-03-23T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bdf40f87", "title": "Frontend / Full Stack online learning paths", "url": "https://martijn.vanexel.net/20240915-frontend-fullstack-online-learning/", "published_at": "2024-09-15T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592be368538", "title": "JOSM tip: filtering", "url": "https://martijn.vanexel.net/20240914-josm-filtering/", "published_at": "2024-09-14T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592be681a55", "title": "Quadkeys are sometimes hard to find", "url": "https://martijn.vanexel.net/20241013-what-the-quad/", "published_at": "2024-09-13T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592bf2ad775", "title": "Running JOSM as a Java Web Start application on Linux Mint", "url": "https://martijn.vanexel.net/20240630-running-josm-as-jws-application/", "published_at": "2024-06-30T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c0286035", "title": "street art", "url": "https://martijn.vanexel.net/20240530-i-streetart/", "published_at": "2024-05-30T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c02a37c8", "title": "OSM Pedestrian Density Visualization", "url": "https://martijn.vanexel.net/20230428-osm-pedestrian-quality-analysis-qgis/", "published_at": "2023-04-28T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c0916f69", "title": "Capturing and uploading 360° imagery with Mapillary: 3. Front vs Side", "url": "https://martijn.vanexel.net/20230303-capturing-360-with-mapillary-3-front-side/", "published_at": "2023-03-03T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c0cccaed", "title": "Keeping a thematic OpenStreetMap database up-to-date with osm2pgsql", "url": "https://martijn.vanexel.net/20230227-keeping-osm-database-uptodate-osm2pgsql/", "published_at": "2023-02-27T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c0f76b5b", "title": "Capturing and uploading 360° imagery with Mapillary: 2. BIKE", "url": "https://martijn.vanexel.net/20230226-capturing-360-with-mapillary-2-bike/", "published_at": "2023-02-26T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c1d9f475", "title": "Capturing and uploading 360° imagery with Mapillary: 1. WALK", "url": "https://martijn.vanexel.net/20230223-capturing-360-with-mapillary/", "published_at": "2023-02-23T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c276b336", "title": "New Motiv", "url": "https://martijn.vanexel.net/20230130-new-motiv/", "published_at": "2023-01-30T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c317c8a7", "title": "RapiD Bookmarklets", "url": "https://martijn.vanexel.net/20230121-rapid-bookmarklets/", "published_at": "2023-01-21T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c3b5c676", "title": "trip to hawai'i", "url": "https://martijn.vanexel.net/20230103-trip-to-hawaii/", "published_at": "2023-01-03T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c419036d", "title": "adding high quality gis data to osm, one feature at a time", "url": "https://martijn.vanexel.net/20220927-gis-data-to-osm/", "published_at": "2022-09-27T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c4a5d2a3", "title": "trip to kansas", "url": "https://martijn.vanexel.net/20220926-trip-to-kansas/", "published_at": "2022-09-26T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c558bb67", "title": "twitter break", "url": "https://martijn.vanexel.net/20220921-twitter-break/", "published_at": "2022-09-21T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c60fc794", "title": "cruft", "url": "https://martijn.vanexel.net/20220904-cruft/", "published_at": "2022-09-04T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c6d538da", "title": "dealing with peaks and troughs", "url": "https://martijn.vanexel.net/20220824-productivity-peaks-troughs/", "published_at": "2022-08-24T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c7ce6258", "title": "weekend hack: photo page", "url": "https://martijn.vanexel.net/20220802-weekend-hack-photo-page/", "published_at": "2022-08-02T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c806dcef", "title": "fujifilm x100f wide aperture problems", "url": "https://martijn.vanexel.net/20220723-fujifilm-x100f-wide-aperture-quality-issues/", "published_at": "2022-07-23T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c8b114e1", "title": "🚧 old posts below⬇ 🚧", "url": "https://martijn.vanexel.net/20220701-oldposts/", "published_at": "2022-07-01T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c9492649", "title": "adding microsoft building footprints to OSM with MapRoulette: why, and how", "url": "https://martijn.vanexel.net/20220523-adding-ms-building-footprints-to-osm-maproulette/", "published_at": "2022-05-23T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592c9b6e09f", "title": "rhodes mark 1 restoration - part 1", "url": "https://martijn.vanexel.net/20220224-fender-rhodes-mark-1-restoration-part-1/", "published_at": "2022-02-24T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592caa7f24c", "title": "experiments with pyosmium, part 2", "url": "https://martijn.vanexel.net/20220203-pyosmium-part2/", "published_at": "2022-02-03T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cb4d0cea", "title": "experiments with pyosmium, part 1", "url": "https://martijn.vanexel.net/20220126-pyosmium-part1/", "published_at": "2022-01-26T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cbc5fefb", "title": "oliebollen", "url": "https://martijn.vanexel.net/20210101-oliebollen/", "published_at": "2021-01-01T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cbf8a976", "title": "aerial photography of the netherlands in the 1930s", "url": "https://martijn.vanexel.net/20200628-aerial-photography-nehterlands/", "published_at": "2020-06-28T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cce2e184", "title": "live openstreetmap mapping on twitch is fun", "url": "https://martijn.vanexel.net/20200624-openstreetmap-twitch/", "published_at": "2020-06-24T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cd7b6e73", "title": "displacement", "url": "https://martijn.vanexel.net/20200306-displacement/", "published_at": "2020-03-06T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cd930be5", "title": "google map is wrong", "url": "https://martijn.vanexel.net/20200306-google-map-is-wrong/", "published_at": "2020-03-06T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592ce1ad2b5", "title": "announcing maproulette challenges for fixing up tiger in utah", "url": "https://martijn.vanexel.net/20200303-maproulette-utah/", "published_at": "2020-03-03T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cebed8cc", "title": "create your own maproulette challenge: updating deprecated tagging", "url": "https://martijn.vanexel.net/20200222-maproulette-challenge-update-deprecated-tagging/", "published_at": "2020-02-22T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cfb973e9", "title": "30 minutes", "url": "https://martijn.vanexel.net/20200216-30-minutes/", "published_at": "2020-02-16T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592cfc6f1b7", "title": "openstreetmap how-to: clean up after tiger", "url": "https://martijn.vanexel.net/20200114-openstreetmap-tiger/", "published_at": "2020-01-14T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d0376c4a", "title": "photography full circle", "url": "https://martijn.vanexel.net/20200101-photography-full-circle/", "published_at": "2020-01-01T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d0c6de70", "title": "technical deep dive: creating the maproulette tesla parking lot challenge", "url": "https://martijn.vanexel.net/20191227-osm-maproulette-tesla-parking/", "published_at": "2019-12-27T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d1983da0", "title": "granola v2", "url": "https://martijn.vanexel.net/20190714-granola-v2/", "published_at": "2019-07-14T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d20fef40", "title": "weekend ride to sun tunnels and transcontinental railroad", "url": "https://martijn.vanexel.net/20190429-ride-to-suntunnels/", "published_at": "2019-04-29T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d2c2a068", "title": "fun with fuji x100f advanced filters", "url": "https://martijn.vanexel.net/20181015-fujifilm-x100f-advanced-filters/", "published_at": "2018-10-15T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d384d726", "title": "my overnight ultralight backpacking gear list", "url": "https://martijn.vanexel.net/20180903-ultralight-backpacking-list/", "published_at": "2018-09-03T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d39026df", "title": "first granola", "url": "https://martijn.vanexel.net/20170226-granola/", "published_at": "2017-02-26T00:00:00+00:00" }, { "id": "01a087a0-c9b5-7230-90fc-6592d3b68bed", "title": "hacking a standing desk for $114", "url": "https://martijn.vanexel.net/20160103-standing-desk/", "published_at": "2016-01-03T00:00:00+00:00" } ] posts Claim your blog

Back to martijn.vanexel.net

Blog · corpus.blog/blogs/martijn.vanexel.net/posts

martijn.vanexel.net

martijn.vanexel.net

2025

ETL With OpenStreetMap: Simple Things Are Simple, But Then What?original ↗

15 Nov 2025

POI classification and OSM, a match made in hell original ↗

15 Nov 2025

What The Quad update original ↗

16 Sept 2025

Meet Your Mappers 1.2 is out original ↗

3 Sept 2025

I built a little command line tool to track my time original ↗

19 Aug 2025

Pedestrian Accessibility in OpenStreetMap original ↗

15 Aug 2025

Meet Your Mappers original ↗

24 Jun 2025

MapRoulette at 13 years old original ↗

23 Jun 2025

OpenStreetMap JOSM Turn Lane Tagging Tutorial Video original ↗

8 Apr 2025

Meet Your Mappers - Discover OpenStreetMappers Around You!original ↗

1 Apr 2025

Building an OSM Tools Quick Access Browser Extension original ↗

30 Mar 2025

My Obsidian Daily Note Template original ↗

28 Mar 2025

Obsidian Tasks original ↗

23 Mar 2025

2024

Frontend / Full Stack online learning paths original ↗

15 Sept 2024

JOSM tip: filtering original ↗

14 Sept 2024

Quadkeys are sometimes hard to find original ↗

13 Sept 2024

Running JOSM as a Java Web Start application on Linux Mint original ↗

30 Jun 2024

street art original ↗

30 May 2024

2023

OSM Pedestrian Density Visualization original ↗

28 Apr 2023

Capturing and uploading 360° imagery with Mapillary: 3. Front vs Side original ↗

3 Mar 2023

Keeping a thematic OpenStreetMap database up-to-date with osm2pgsql original ↗

27 Feb 2023

Capturing and uploading 360° imagery with Mapillary: 2. BIKE original ↗

26 Feb 2023

Capturing and uploading 360° imagery with Mapillary: 1. WALK original ↗

23 Feb 2023

New Motiv original ↗

30 Jan 2023

RapiD Bookmarklets original ↗

21 Jan 2023

trip to hawai'i original ↗

3 Jan 2023

2022

adding high quality gis data to osm, one feature at a time original ↗

27 Sept 2022

trip to kansas original ↗

26 Sept 2022

twitter break original ↗

21 Sept 2022

cruft original ↗

4 Sept 2022

dealing with peaks and troughs original ↗

24 Aug 2022

weekend hack: photo page original ↗

2 Aug 2022

fujifilm x100f wide aperture problems original ↗

23 Jul 2022

🚧 old posts below⬇ 🚧original ↗

1 Jul 2022

adding microsoft building footprints to OSM with MapRoulette: why, and how original ↗

23 May 2022

rhodes mark 1 restoration - part 1 original ↗

24 Feb 2022

experiments with pyosmium, part 2 original ↗

3 Feb 2022

experiments with pyosmium, part 1 original ↗

26 Jan 2022

2021

oliebollen original ↗

1 Jan 2021

2020

aerial photography of the netherlands in the 1930s original ↗

28 Jun 2020

live openstreetmap mapping on twitch is fun original ↗

24 Jun 2020

displacement original ↗

6 Mar 2020

google map is wrong original ↗

6 Mar 2020

announcing maproulette challenges for fixing up tiger in utah original ↗

3 Mar 2020

create your own maproulette challenge: updating deprecated tagging original ↗

22 Feb 2020

30 minutes original ↗

16 Feb 2020

openstreetmap how-to: clean up after tiger original ↗

14 Jan 2020

photography full circle original ↗

1 Jan 2020

2019

technical deep dive: creating the maproulette tesla parking lot challenge original ↗

27 Dec 2019

granola v2 original ↗

14 Jul 2019

weekend ride to sun tunnels and transcontinental railroad original ↗

29 Apr 2019

2018

fun with fuji x100f advanced filters original ↗

15 Oct 2018

my overnight ultralight backpacking gear list original ↗

3 Sept 2018

2017

first granola original ↗

26 Feb 2017

2016

hacking a standing desk for $114 original ↗

3 Jan 2016