lostmapper https://video.osgeo.org/c/lostmapper/videos I'm wandering in the world of cartography and geographic information systems, all the while sharing what I learn with you! Tue, 26 May 2026 21:30:48 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://video.osgeo.org lostmapper https://video.osgeo.org/lazy-static/avatars/6013d645-47cb-4d00-9cfc-abd9b9325147.png https://video.osgeo.org/c/lostmapper/videos All rights reserved, unless otherwise specified in the terms specified at https://video.osgeo.org/about and potential licenses granted by each content's rightholder. https://video.osgeo.org/feeds/podcast/videos.xml?videoChannelId=662 <![CDATA[Running PostGIS with Docker on Windows, Mac & Linux]]> https://video.osgeo.org/w/9cZiX3fMCtpPwhZgRw3oqa https://video.osgeo.org/w/9cZiX3fMCtpPwhZgRw3oqa Thu, 28 Dec 2023 21:06:30 GMT Learn how to run #postgis on Windows, Mac and Linux using #docker & Docker Compose, then connect with #qgis to create tables and layers!

0:00 - Intro
0:22 - What is Docker?
0:52 - Installing Docker
1:21 - Docker Compose Configuration
4:42 - Starting PostGIS with Docker Compose
5:38 - Connecting to PostGIS from QGIS
7:08 - Hiding ID Fields
7:48 - Stopping PostGIS with Docker Compose
8:40 - Outro

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Mastodon: https://mapstodon.space/@lostmapper
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Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult Running PostGIS with Docker on Windows, Mac & Linux Learn how to run #postgis on Windows, Mac and Linux using #docker & Docker Compose, then connect with #qgis to create tables and layers! 0:00 - Intro 0:22 - What is Docker? 0:52 - Installing Docker 1:21 - Docker Compose Configuration 4:42 - Start... <![CDATA[Getting Started with PostGIS in QGIS on macOS]]> https://video.osgeo.org/w/pxcBCc4oHhAZvUi9NdWxXf https://video.osgeo.org/w/pxcBCc4oHhAZvUi9NdWxXf Thu, 28 Dec 2023 21:03:18 GMT This video will get you up and running with #PostGIS in #QGIS. I show you how to install a convenient version of PostGIS, connect to it through QGIS, create tables and import data from a #Shapefile.

0:00 - Intro
0:25 - What is PostGIS?
0:48 - Installing Postgres.app
2:27 - Enabling PostGIS Extensions in PostgreSQL
4:17 - Connecting to PostGIS from QGIS
5:02 - Creating Schemas and Tables in PostGIS
6:13 - Adding Data to a PostGIS Table/Layer
7:03 - Importing Data into PostGIS
9:50 - Summary and Suggested Books

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult Getting Started with PostGIS in QGIS on macOS This video will get you up and running with #PostGIS in #QGIS. I show you how to install a convenient version of PostGIS, connect to it through QGIS, create tables and import data from a #Shapefile. 0:00 - Intro 0:25 - What is PostGIS? 0:48 - Ins... <![CDATA[Getting Started with PostGIS in QGIS on Windows]]> https://video.osgeo.org/w/bRrjXpTBKLWN17LNHj7LXq https://video.osgeo.org/w/bRrjXpTBKLWN17LNHj7LXq Thu, 28 Dec 2023 21:00:54 GMT In this video we''ll use EnterpriseDB and StackBuilder to get you up and running with #PostGIS on Windows. Then we'll connect to PostGIS from QGIS and make a table!

0:00 - Intro
0:18 - Installing PostgreSQL
1:38 - Enabling PostGIS with StackBuilder
3:05 - Creating a Database User
4:40 - Connecting to PostGIS from QGIS
6:40 - Connecting to PostGIS with pgAdmin

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Mastodon: https://mapstodon.space/@lostmapper
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Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult Getting Started with PostGIS in QGIS on Windows In this video we''ll use EnterpriseDB and StackBuilder to get you up and running with #PostGIS on Windows. Then we'll connect to PostGIS from QGIS and make a table! 0:00 - Intro 0:18 - Installing PostgreSQL 1:38 - Enabling PostGIS with StackBuild... <![CDATA[30 Day Map Challenge 2023: Day 10 - North America (Livestream)]]> https://video.osgeo.org/w/7w9PcpQZrNqN8nnbWFXZ8H https://video.osgeo.org/w/7w9PcpQZrNqN8nnbWFXZ8H Thu, 28 Dec 2023 20:56:43 GMT Today I livestreamed on Windows! I used #QGIS to create a map of the countries & sovereignties that make up the Caribbean Sea. Lots of data filtering, labels using expressions, customized callouts, layout struggles and pronunciation learning in this one. #30daymapchallenge

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 10 - North America (Livestream) Today I livestreamed on Windows! I used #QGIS to create a map of the countries & sovereignties that make up the Caribbean Sea. Lots of data filtering, labels using expressions, customized callouts, layout struggles and pronunciation learning in th... <![CDATA[30 Day Map Challenge 2023: Day 15 - OpenStreetMap]]> https://video.osgeo.org/w/vhsySzBjgdQhPZYTeMmcW5 https://video.osgeo.org/w/vhsySzBjgdQhPZYTeMmcW5 Thu, 28 Dec 2023 20:54:42 GMT We’re working with OpenStreetmap for Day 15 of the #30daymapchallenge. We’ll learn how to use the QuickOSM plugin for #QGIS to download data and then style that data similarly to the OpenStreetMap tiles. Happy #GISDay!

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 15 - OpenStreetMap We’re working with OpenStreetmap for Day 15 of the #30daymapchallenge. We’ll learn how to use the QuickOSM plugin for #QGIS to download data and then style that data similarly to the OpenStreetMap tiles. Happy #GISDay! <![CDATA[30 Day Map Challenge 2023: Day 13 - Choropleth]]> https://video.osgeo.org/w/6LUq3GwHiESkhJ5VjyFzmJ https://video.osgeo.org/w/6LUq3GwHiESkhJ5VjyFzmJ Thu, 28 Dec 2023 20:52:24 GMT For Day 13 - Choropleth I take the map we made on Day 3 - Polygons and improve it using advice from the book "Making Maps". #30daymapchallenge

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Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 13 - Choropleth For Day 13 - Choropleth I take the map we made on Day 3 - Polygons and improve it using advice from the book "Making Maps". #30daymapchallenge https://30daymapchallenge.com/, https://www.guilford.com/books/Making-Maps/Krygier-Wood/97814625099... <![CDATA[30 Day Map Challenge 2023: Day 12 - South America]]> https://video.osgeo.org/w/uXFwbLxvyQqVdnmEwPXXwx https://video.osgeo.org/w/uXFwbLxvyQqVdnmEwPXXwx Thu, 28 Dec 2023 20:48:24 GMT It's #30daymapchallenge Day 12 - South America and we're making a map of the continent using the flags of each country. France also makes an appearance.

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 12 - South America It's #30daymapchallenge Day 12 - South America and we're making a map of the continent using the flags of each country. France also makes an appearance. https://30daymapchallenge.com/, https://www.naturalearthdata.com, https://en.wikipedia.or... <![CDATA[30 Day Map Challenge 2023: Day 11 - Retro]]> https://video.osgeo.org/w/dCTFNcMDRF6WG3GNAZC9Mr https://video.osgeo.org/w/dCTFNcMDRF6WG3GNAZC9Mr Thu, 28 Dec 2023 20:45:58 GMT It's Day 11 of #30daymapchallenge and the theme is "Retro". In this video I show you how to make a map like the ones featured in the 80s classic "WarGames" using #QGIS. That means lots of glowing lines, simple geometric symbols, console fonts and secret military data! Or maybe just public military data...

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 11 - Retro It's Day 11 of #30daymapchallenge and the theme is "Retro". In this video I show you how to make a map like the ones featured in the 80s classic "WarGames" using #QGIS. That means lots of glowing lines, simple geometric symbols, console fonts and ... <![CDATA[30 Day Map Challenge 2023: Day 8 - Africa]]> https://video.osgeo.org/w/3qXHTCsY5ZbeR5mUYy3kMU https://video.osgeo.org/w/3qXHTCsY5ZbeR5mUYy3kMU Thu, 28 Dec 2023 20:44:43 GMT Learn how to use Balloon Callouts and synchronize Symbology/Label coloring in #QGIS. That’s right - it’s Day 8 of #30daymapchallenge and we’re mapping western African countries for fun and learning!

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 8 - Africa Learn how to use Balloon Callouts and synchronize Symbology/Label coloring in #QGIS. That’s right - it’s Day 8 of #30daymapchallenge and we’re mapping western African countries for fun and learning! https://30daymapchallenge.com/, https://www.... <![CDATA[30 Day Map Challenge 2023: Day 9 - Hexagon]]> https://video.osgeo.org/w/6dkjJ4FNE24yED6sXRDymk https://video.osgeo.org/w/6dkjJ4FNE24yED6sXRDymk Thu, 28 Dec 2023 20:42:47 GMT For Day 9 of #30daymapchallenge we're collecting point data into a hexagon grid and styling it based on the number points using #qgis.

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Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 9 - Hexagon For Day 9 of #30daymapchallenge we're collecting point data into a hexagon grid and styling it based on the number points using #qgis. https://30daymapchallenge.com/, https://www.naturalearthdata.com, Buy me a Coffee: https://ko-fi.com/l... <![CDATA[30 Day Map Challenge 2023: Day 7 - Navigation]]> https://video.osgeo.org/w/s84joXmKezLtXZCz2bmFb2 https://video.osgeo.org/w/s84joXmKezLtXZCz2bmFb2 Thu, 28 Dec 2023 20:40:08 GMT For #30daymapchallenge Day 7 (Navigation) I’m revisiting adding images to Labels and make a map of businesses in my town. This time I use a Geometry Generator for better positioning control and the Blob type to store images as Feature Attributes. #QGIS for the win!

Geometry Generator Expression:
make_point("auxiliary_storage_labeling_positionx", "auxiliary_storage_labeling_positiony")

Raster Image Expression:
'base64:'||to_base64("image")

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]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 7 - Navigation For #30daymapchallenge Day 7 (Navigation) I’m revisiting adding images to Labels and make a map of businesses in my town. This time I use a Geometry Generator for better positioning control and the Blob type to store images as Feature Attributes. ... <![CDATA[30 Day Map Challenge 2023: Day 6 - Asia]]> https://video.osgeo.org/w/tD7sEot4hGFPe5yKUF8MQa https://video.osgeo.org/w/tD7sEot4hGFPe5yKUF8MQa Thu, 28 Dec 2023 20:38:07 GMT Let's make a map of the 10 most populated places in Asia using Natural Earth data for Day 6 of the #30daymapchallenge. We'll duplicate layers and style them differently, filter data, dissolve a bunch of countries together for a nice shadow and make a full size layout to top it all off - all in #QGIS!

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 6 - Asia Let's make a map of the 10 most populated places in Asia using Natural Earth data for Day 6 of the #30daymapchallenge. We'll duplicate layers and style them differently, filter data, dissolve a bunch of countries together for a nice shadow and mak... <![CDATA[30 Day Map Challenge 2023: Day 4 - A Bad Map]]> https://video.osgeo.org/w/7pnurbbZEzYoy5rYiNcmNL https://video.osgeo.org/w/7pnurbbZEzYoy5rYiNcmNL Thu, 28 Dec 2023 20:32:54 GMT In this video I use a lot of drop shadows and fight the urge to make improvements to a map. It's Day 4 of the #30daymapchallenge - make a bad map!

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 4 - A Bad Map In this video I use a lot of drop shadows and fight the urge to make improvements to a map. It's Day 4 of the #30daymapchallenge - make a bad map! https://30daymapchallenge.com/, https://en.wikipedia.org/wiki/Big_Audio_Dynamite, Buy me a ... <![CDATA[30 Day Map Challenge 2023: Day 5 - Analog]]> https://video.osgeo.org/w/eZ8XrYTGY5rSyM2hza984X https://video.osgeo.org/w/eZ8XrYTGY5rSyM2hza984X Thu, 28 Dec 2023 20:32:32 GMT I take an alternate definition of the word "analog" and make a map of the real world locations found in the game #Fallout76 for #30daymapchallenge. I use an Expression to get a two-line label and a Raster Image Marker to put screenshots of the game next to those labels.

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 5 - Analog I take an alternate definition of the word "analog" and make a map of the real world locations found in the game #Fallout76 for #30daymapchallenge. I use an Expression to get a two-line label and a Raster Image Marker to put screenshots of the ga... <![CDATA[30 Day Map Challenge 2023: Day 3 - Polygons]]> https://video.osgeo.org/w/fmbzYt1Ur7PtKZHeJZNp2w https://video.osgeo.org/w/fmbzYt1Ur7PtKZHeJZNp2w Thu, 28 Dec 2023 20:28:53 GMT The theme for Day 3 of the #30daymapchallenge is Polygons! In this video I show you how to make a map of postal codes and use Graduated Symbology to represent their attributes.

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 3 - Polygons The theme for Day 3 of the #30daymapchallenge is Polygons! In this video I show you how to make a map of postal codes and use Graduated Symbology to represent their attributes. https://30daymapchallenge.com/, https://data-algeohub.opendata.arc... <![CDATA[30 Day Map Challenge 2023: Day 1 - Points]]> https://video.osgeo.org/w/71QAeqJhK1by18fYiYYc5R https://video.osgeo.org/w/71QAeqJhK1by18fYiYYc5R Thu, 28 Dec 2023 20:27:16 GMT Eager to participate in the #30DayMapChallenge but have limited time? Follow this video and learn how to make a Point map of California National Parks using QGIS in under 20 minutes. Pick your own state and show me what you made!

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 1 - Points Eager to participate in the #30DayMapChallenge but have limited time? Follow this video and learn how to make a Point map of California National Parks using QGIS in under 20 minutes. Pick your own state and show me what you made! https://30daym... <![CDATA[30 Day Map Challenge 2023: Day 2 - Lines]]> https://video.osgeo.org/w/b6p8xAdMRy9GsUuaza9QXq https://video.osgeo.org/w/b6p8xAdMRy9GsUuaza9QXq Thu, 28 Dec 2023 20:24:53 GMT Today’s theme is Lines and I show you how to make a map of the Longest US Interstates in under 14 minutes with QGIS. I use things like Collect Geometries, Layer Filters, Field Calculator and Map Legends.

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 30 Day Map Challenge 2023: Day 2 - Lines Today’s theme is Lines and I show you how to make a map of the Longest US Interstates in under 14 minutes with QGIS. I use things like Collect Geometries, Layer Filters, Field Calculator and Map Legends. https://30daymapchallenge.com/, https:/... <![CDATA[3 Ways to Convert Singlepart Layers to Multipart Layers in QGIS]]> https://video.osgeo.org/w/cqEYeW3ouE4NeetqmoDD4U https://video.osgeo.org/w/cqEYeW3ouE4NeetqmoDD4U Thu, 28 Dec 2023 20:24:29 GMT Learn how to convert Singlepart Layers to Multipart Layers using Promote to Multipart, Collect Geometries and Aggregate in QGIS

00:00 - Intro
00:09 - Overview
00:47 - Project Setup
02:10 - Method 1: Promote to Multipart
03:28 - Method 2: Collect Geometries
05:17 - Method 3: Aggregate
08:52 - Outro

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Mastodon: https://mapstodon.space/@lostmapper
Web site: https://lostmapper.com
Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult 3 Ways to Convert Singlepart Layers to Multipart Layers in QGIS Learn how to convert Singlepart Layers to Multipart Layers using Promote to Multipart, Collect Geometries and Aggregate in QGIS 00:00 - Intro 00:09 - Overview 00:47 - Project Setup 02:10 - Method 1: Promote to Multipart 03:28 - Method 2: Collect ... <![CDATA[Working with Multipart Features in QGIS]]> https://video.osgeo.org/w/q6EN9meEuk6EZZMUS16JED https://video.osgeo.org/w/q6EN9meEuk6EZZMUS16JED Thu, 28 Dec 2023 20:18:50 GMT In this video I’ll be showing you how to create and edit multipart features in QGIS. We’ll be covering multipart polygons, lines and points.

00:00 - Intro
00:09 - Overview
00:19 - Using QGIS 3.28 LTR
00:46 - What is a MultiPart Feature?
01:01 - Multipart Polygons
04:04 - Multipart Lines
04:53 - Multipart Points
05:40 - Enabling the Advanced Digitizing Toolbar
06:02 - Creating MultiPolygon Layers
07:47 - Adding Parts to a MultiPolygon Feature
09:49 - Creating MultiLine Layers
11:26 - Adding Parts to a MultiLine Feature
12:19 - Creating MultiPoint Layers
13:14 - Adding Parts to MultiPoint Feature
14:25 - Deleting Parts from a Multipart Feature
15:12 - Splitting Parts in a Multipart Feature
16:14 - Converting Multipart Layers to Singlepart Layers
18:51 - Outro

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Mastodon: https://mapstodon.space/@lostmapper
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Email: brian@lostmapper.com

]]> lostmapper Science & Technology nonadult Working with Multipart Features in QGIS In this video I’ll be showing you how to create and edit multipart features in QGIS. We’ll be covering multipart polygons, lines and points. 00:00 - Intro 00:09 - Overview 00:19 - Using QGIS 3.28 LTR 00:46 - What is a MultiPart Feature? 01:01 - M... <![CDATA[Working with Polygon Layers in QGIS]]> https://video.osgeo.org/w/aXR6PpGH3gexgDtb7rjWyt https://video.osgeo.org/w/aXR6PpGH3gexgDtb7rjWyt Thu, 28 Dec 2023 20:13:40 GMT Learn how to create Polygon Layers and how to add, edit, move, delete and style Polygons in QGIS. I also go over Snapping and Topological Editing.

00:00 - Intro
00:30 - When to use Polygon Layers and Polygons
01:22 - Project Setup
01:32 - Creating a Polygon Layer
03:22 - Adding Polygons to a Polygon Layer
05:42 - Editing Polygons
06:55 - Adding Holes (Rings) to Polygons
07:52 - Editing Rings
08:35 - Filling Rings
10:10 - Snapping & Topological Editing
12:08 - Reshaping Polygons
13:54 - Snapping Vertices
15:59 - Styling Polygons
17:35 - Outro

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Mastodon: https://mapstodon.space/@lostmapper
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]]> lostmapper Science & Technology nonadult Working with Polygon Layers in QGIS Learn how to create Polygon Layers and how to add, edit, move, delete and style Polygons in QGIS. I also go over Snapping and Topological Editing. 00:00 - Intro 00:30 - When to use Polygon Layers and Polygons 01:22 - Project Setup 01:32 - Creatin...