#gisday — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #gisday, aggregated by home.social.
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"It is easy to take GIS tools for granted because they feel fast and intuitive. Yet every click depends on contributions from many fields. Surveyors measured land boundaries by hand. Mathematicians built the formulas for projections. Geodesists defined the reference frames. Engineers designed satellites and receivers. Programmers wrote the tools that display and analyze the data." #gisDay thoughts by Benedicta Boasiako https://gogeomatics.ca/the-story-beneath-the-map/
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"It is easy to take GIS tools for granted because they feel fast and intuitive. Yet every click depends on contributions from many fields. Surveyors measured land boundaries by hand. Mathematicians built the formulas for projections. Geodesists defined the reference frames. Engineers designed satellites and receivers. Programmers wrote the tools that display and analyze the data." #gisDay thoughts by Benedicta Boasiako https://gogeomatics.ca/the-story-beneath-the-map/
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Am #GISDay ehren wir Dr. Gladys West, die geniale Mathematikerin, deren geodätische Erdmodellierung in den 1970er-80ern die GPS-Grundlage schuf. Ihre SEASAT- & GEOSAT-Arbeit lieferte präzise Geoid-Modelle für heutige #geospatial-Apps. #wow 😮 #WomenInSTEM
RE: https://bsky.app/profile/did:plc:2xisupj43xdq7uvffzigis5p/post/3m5zli6p4622w -
In 2021 I gave a talk about “openness” briefly tracing the history from the Free Software movement, #GNU, and OSS, to open formats like XML and ODF, then to the #FreeCulture and #OpenData movement like #CreativeCommons, #Wikipedia, and #Wikidata.
I then pivoted to the parallel developments in the geospatial industry leading to the creation of what I call the open geospatial tripod: Open Geospatial Consortium, Open Source Geospatial Foundation, and OpenStreetMap.
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In 2021 I gave a talk about “openness” briefly tracing the history from the Free Software movement, #GNU, and OSS, to open formats like XML and ODF, then to the #FreeCulture and #OpenData movement like #CreativeCommons, #Wikipedia, and #Wikidata.
I then pivoted to the parallel developments in the geospatial industry leading to the creation of what I call the open geospatial tripod: Open Geospatial Consortium, Open Source Geospatial Foundation, and OpenStreetMap.
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We celebrated #GISDay with not one, but two Geomob events. A #geomobBER, but also a #geomobLX in the heart of the Portuguese capital.
Thanks as always to Startup Lisboa for opening your doors late to the community, and to our organisers @doublebyte and Miguel Marques for hosting such a wonderful evening.
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We celebrated #GISDay with not one, but two Geomob events. A #geomobBER, but also a #geomobLX in the heart of the Portuguese capital.
Thanks as always to Startup Lisboa for opening your doors late to the community, and to our organisers @doublebyte and Miguel Marques for hosting such a wonderful evening.
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For #GISDay, I re-digitized a whole city block of impervious polygons (with #topology) because the last person did such a bad job. No one will ever care or know. It took about 3 hours and yes all curves are curves, they are tangent, or fillets and sidewalks are all measured widths, the rest has to be from imagery
This is basically my job, to quietly fix things without thanks. I'm ok with that
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For #GISDay, I re-digitized a whole city block of impervious polygons (with #topology) because the last person did such a bad job. No one will ever care or know. It took about 3 hours and yes all curves are curves, they are tangent, or fillets and sidewalks are all measured widths, the rest has to be from imagery
This is basically my job, to quietly fix things without thanks. I'm ok with that
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How does economic complexity correlate with human development?
On today's #gisday I'll share my first attempt at a bivariate chloropleth map.
Admittedly, there's a lot going on and 25 tints can be hard to distinguish, plus I tried to keep it as accessible as possible marrying two accessible color ramps: Mako and Viridis.
#gis #qgis #mapping #CorrectTheMap -
Happy #GIS Day 2025!! Learn more about the event https://gisday.com/en-us/resources
#GISDay #spatial #business #location #intelligence #geography #GISchat #geospatial @esri @gisday @esrifederalgovt @esrislgov @esritraining @urisa
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Happy #GIS Day 2025!! Learn more about the event https://gisday.com/en-us/resources
#GISDay #spatial #business #location #intelligence #geography #GISchat #geospatial @esri @gisday @esrifederalgovt @esrislgov @esritraining @urisa
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In celebration of #GISDay 2025 here is the only instance I know where geographic information systems and geodatabases are specifically named and described, to vampires, in a major motion picture.
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In celebration of #GISDay 2025 here is the only instance I know where geographic information systems and geodatabases are specifically named and described, to vampires, in a major motion picture.
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Welcome to the biggest GIS Marketing day ever - #GISDay - where we try for the 40th year in a row to tell people why what we do is important and have those same people go "just drawing on a computer". Then everyone drinks afterwards.
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Welcome to the biggest GIS Marketing day ever - #GISDay - where we try for the 40th year in a row to tell people why what we do is important and have those same people go "just drawing on a computer". Then everyone drinks afterwards.
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🌍 World GIS Day: We are releasing a global satellite dataset of road surfaces for humanitarian routing & monitoring infrastructure change.
Paved vs. unpaved roads worldwide, based on high-res imagery to support better routing, accessibility mapping & planning where data is scarce.
🔗 Learn more: https://heigit.org/heigit-releases-global-satellite-dataset-for-humanitarian-routing-and-mapping-infrastructure-change/
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🌍 World GIS Day: We are releasing a global satellite dataset of road surfaces for humanitarian routing & monitoring infrastructure change.
Paved vs. unpaved roads worldwide, based on high-res imagery to support better routing, accessibility mapping & planning where data is scarce.
🔗 Learn more: https://heigit.org/heigit-releases-global-satellite-dataset-for-humanitarian-routing-and-mapping-infrastructure-change/
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This #Canada #Forest Cover #Map by Tewodros Alemayehu is one of many cool maps from Western University's #GISDay Map Gallery!
https://gisdays-westernu.hub.arcgis.com/pages/2025-map-gallery
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This #Canada #Forest Cover #Map by Tewodros Alemayehu is one of many cool maps from Western University's #GISDay Map Gallery!
https://gisdays-westernu.hub.arcgis.com/pages/2025-map-gallery
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GIS Days is next week. Western University has organized a virtual conference for Nov 17, 18, and 20. Free registration, drop in and out for whichever presentations pique your interest. https://gisdays-westernu.hub.arcgis.com/
#GIS #GISday -
GIS Days is next week. Western University has organized a virtual conference for Nov 17, 18, and 20. Free registration, drop in and out for whichever presentations pique your interest. https://gisdays-westernu.hub.arcgis.com/
#GIS #GISday -
Today is the day #gisday at #cmu in #pittsburgh
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Today is the day #gisday at #cmu in #pittsburgh
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High-Level Overview for #CMU #GISDAY
Held on the second floor of the Cohon University Center at CMU
https://gisdaypgh.com/program -
High-Level Overview for #CMU #GISDAY
Held on the second floor of the Cohon University Center at CMU
https://gisdaypgh.com/program -
What Is a Better Way To Recognise GIS Day 2024 Than My And Also Stolen Mappy Memes?
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#GIS #spatial #mapping #GISDay2024 #memes #GISday #mappymeme #community #spatialdata #usecase #alldataisspatial -
What Is a Better Way To Recognise GIS Day 2024 Than My And Also Stolen Mappy Memes?
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#GIS #spatial #mapping #GISDay2024 #memes #GISday #mappymeme #community #spatialdata #usecase #alldataisspatial -
#30DayMapChallenge Day 21: Conflict
Map showing the UN Buffer Zone (Green Line) that cuts through the historic center of #Nicosia, #Cyprus. It highlights the ongoing division and the impact it has on the city's landscape.Yesterday, after #GISDay organised by KIOS Research and Innovation Center of Excellence, we enjoyed a lovely dinner near one of the checkpoints.
The map was created in #QGIS using the Dark Matter vector tile from MapTiler via the MapTiler plugin.
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#30DayMapChallenge Day 21: Conflict
Map showing the UN Buffer Zone (Green Line) that cuts through the historic center of #Nicosia, #Cyprus. It highlights the ongoing division and the impact it has on the city's landscape.Yesterday, after #GISDay organised by KIOS Research and Innovation Center of Excellence, we enjoyed a lovely dinner near one of the checkpoints.
The map was created in #QGIS using the Dark Matter vector tile from MapTiler via the MapTiler plugin.
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With #GISDay wrapping up, I just wanted to share the news that #IDRISI will be free starting December 2nd. IDRISI was the first #GIS software I learned and it has great tools for environmental modeling. https://www.clarku.edu/centers/geospatial-analytics/2024/08/27/announcement-terrset-liberagis/
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With #GISDay wrapping up, I just wanted to share the news that #IDRISI will be free starting December 2nd. IDRISI was the first #GIS software I learned and it has great tools for environmental modeling. https://www.clarku.edu/centers/geospatial-analytics/2024/08/27/announcement-terrset-liberagis/
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🌍✨ Happy GIS Day from BetaNYC! 🎉
Today, we celebrate the power of maps to drive change and amplify voices. 🗺️💪 Dive into Naeema’s inspiring blog post, “Justice is in the Mapping,” and learn how GIS empowers communities for environmental justice. 🌱📊
📖 Read it here 👉 https://beta.nyc/2024/11/20/justice-is-in-the-mapping-a-reflection-of-a-mapping-for-environmental-justice-workshop/
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🌍✨ Happy GIS Day from BetaNYC! 🎉
Today, we celebrate the power of maps to drive change and amplify voices. 🗺️💪 Dive into Naeema’s inspiring blog post, “Justice is in the Mapping,” and learn how GIS empowers communities for environmental justice. 🌱📊
📖 Read it here 👉 https://beta.nyc/2024/11/20/justice-is-in-the-mapping-a-reflection-of-a-mapping-for-environmental-justice-workshop/
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You can explore the full 1:63k series in the GeoPortal here: https://bit.ly/41fjDdV
To learn more about the Historical Topographic Maps Digitization Project, visit the project website here: https://ocul.on.ca/topomaps/
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This year, we’ve put together a feature about the 1:63k series! If you’re curious about where you might have found lighthouses, cheese factories, orchards, & sleigh roads back in the 1920s and 30s, take a minute to explore: https://bit.ly/3YXjGIn
Spot the cheese factory on the map below!
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Last year we shared an animation created by one of our GIS Developers, Anugra Shah, showing changes to the Port Lands of Toronto over time using the 1:50k topographic maps series. If you missed the animation last year, check it out below!
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The 1:63k index series was produced between 1906-1953 & includes nearly 500 individual map sheets for Ontario. These maps provide detailed geographic information about Ontario, often showing infrastructural developments & environmental changes over time.
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The 1:63k index series was produced between 1906-1953 & includes nearly 500 individual map sheets for Ontario. These maps provide detailed geographic information about Ontario, often showing infrastructural developments & environmental changes over time.
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Happy #GISDay2024!
Our historical topographic maps 1:63k index is one of our most popular collections year after year. These georeferenced maps show both natural and man-made features such as relief, roads, railways, waterways, bridges, lighthouses, mills, forests, & more.
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Happy #GISDay2024!
Our historical topographic maps 1:63k index is one of our most popular collections year after year. These georeferenced maps show both natural and man-made features such as relief, roads, railways, waterways, bridges, lighthouses, mills, forests, & more.
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In honor of #GISday I'd like to shout out what used to be the chaos of U.S. Postal Service's map showing possible challenges to mail delivery... alas, it’s much more orderly now ( https://uspstools.maps.arcgis.com/apps/webappviewer/index.html?id=1fc1c26bb31246b39087606c65b83020 ), this screenshot is from January 2023.
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Happy #GISDay 🗺️
Spatial research is great with #opensource software such as @qgis.fosstodon.org.ap.brid.gy, but to make it #reproducible #rstats can be very helpful, for example in relation to transport of wood in the Roman period: https://www.researchgate.net/publication/384108657_Securing_transport_of_wood_over_water_on_the_Roman_Rhine, reproducible code: https://doi.org/10.5281/zenodo.7581545 -
Neste #GISDay facémonos eco desta nova de @gciencia: De Altri a Ence: os oito conflitos ambientais en Galicia dos que alerta un mapa europeo
https://www.gciencia.com/medioambiental/de-altri-a-ence-os-oito-conflitos-ambientais-en-galicia-dos-que-alerta-un-mapa-europeo/ -
Happy #GISDay2024 to my fellow #geospatial colleagues!! May you have a maptastic day!! Learn more: https://tinyurl.com/396duveh
#GISDay #geography #geographyteacher #location #spatial #business #intelligence #GISchat #GIStribe #GIS #esri #arcgis #maps #geospatial #mapstodon @esri @esrifederalgovt @esrislgov @esritraining
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Happy #GISDay2024 to my fellow #geospatial colleagues!! May you have a maptastic day!! Learn more: https://tinyurl.com/396duveh
#GISDay #geography #geographyteacher #location #spatial #business #intelligence #GISchat #GIStribe #GIS #esri #arcgis #maps #geospatial #mapstodon @esri @esrifederalgovt @esrislgov @esritraining
