happy to hear suggestions about integrations with other services we might add here

e.g., would we want to monitor releases of various software packages via RSS/Atom subscriptions

well that comes through pretty ugly

ouch, yeah it does :confused: Is that just the regular zotero feed? I’ve linked to a group in the #networks channel, but it hasn’t posted any updates today so I don’t know what to expect

yeah, that’s a regular Zotero feed; slack seems to be grabbing the embedded HTML; I’ll see if I can play with the feed parameters to get some other payload that might be less scary

embedded json rather, but anyway

hmmm struggling with Zotero read api syntax

@ryanfb!

@paregorios!

It’s like IRC all over again

except we’ve got more folks in this channel than have ever been in <irc://irc.freenode.net:6667/pleiades>

true. There’s lots of channels, but not much talk though.

one of the things I hope to get rolling in here is more discussion around gazetteer/geodataset alignment, collation, etc.

that would be cool

@diffendale!

@cejo!

welcome welcome

@paregorios: thanks!

Wait, so is there a difference between the RSS bot and the bit with the Zotero logo? :confused:

@mdlincoln: nope, just the latest entry was after full configuration. It’s actually a Zapier integration. It lets you customize the icon that goes with a given RSS “zap”.

@paregorios: +1 on pared-down place post

yeah, so to be transparent: I’ve taken the liberty of configuring two (I’ll use the term loosely) “bots” on this channel. One watches an Atom feed ( https://api.zotero.org/groups/30/collections/AT2F5JR9/items/top?format=atom&v=3 ) from the “Geo Spatial” collection in the “Digital Humanities” group library on http://Zotero.org and posts here a link to any new record it finds. It goes by way of http://Zapier.com, which gave me the ability to be selective about what content in each feed entry gets pushed through to slack. The other one is a simple http://slack.com RSS feed integration, drawing on http://geohumanities.org/rss.xml (the feed for the ADHO GeoHumanities SIG website).

If either of them gets annoying, feel free to complain or rip them out yourselves.

“Persepolis from the Air” has some quite nice 3D mapping and architecture in it. https://m.youtube.com/watch?v=yysHJk0v5XA

Wrong link. Try this: https://www.youtube.com/watch?v=uJf5bnHUIQw

That’s quite a good illustration of DEM from photographs!

Hello! I’m possibly coming at it from a different angle, but I’m often asked to suggest tools that historians, curators and others can use to georeference historical materials, particularly over historical maps. I’ve seen people use HistoryPin, Heurist, Google Maps, Neatline and manual processes (e.g. look up coordinates for a place, copy the values to a spreadsheet), but can anyone suggest something better? And for bonus points, something that lets a non-technical person load a historical map would be great - is Google Earth their best option right now?

(Or https://www.mapsmarker.com/features/ ?)

@mia I don’t have recent experience with modern tools for map registration, rubber sheeting, and feature extraction so I’m not sure what to suggest there. Hopefully we can recruit into the channel some of the NYPL developers, who I think have a lot of experience in that area. GIS librarians at various places would also be good. I am actively (time-sliced) encouraging people like that whom I know to join.

it occurs to me that @sfsheath may have some recent experience working with students on this sort of thing

@meganslemons (with The Emory Center for Digital Scholarship) and I worked out a GeoServer workflow script. For those using GeoServer to deliver geospatial data online, the script runs select GDAL processing on raster images to optimize for displaying in Leaflet and other web mapping libraries. It then uploads the processed files to GeoServer, fills in selected fields based on your metadata files, and publishes a layer.

You can access the script and documentation here: https://github.com/emory-libraries-ecds/GeoServer-Workflow

Many thanks to Eric Willoughby at Georgia State University for helping us fine-tune the GDAL commands. The script is an evolving project, and we welcome any feedback.

thanks @jay.varner

QGIS has good tools for rubber sheeting. Last semester I had students follow this tutorial: http://www.qgistutorials.com/en/docs/georeferencing_basics.html . Most succeeded in getting that to work. 1/2

MapTiler is a good program for turning referenced maps into the raw data for display on the web. http://www.maptiler.com . I bought the $29.00 license.

thanks @sfsheath

But there is an open source work flow as well. Someone made maptiles of John Snow’s cholera map. I’m googling for that now but there’s lots of noise in that search….

Found it! https://rpubs.com/walkerke/custom_tiles It is worth a read if you like this sort of thing. And for those thinking about trying it at home, different versions of QGIS come with different versions of the gdal2tiles command. And you can get that elsewhere as well. Which is to say, “Be careful out there”/YMMV.

It’s alive!!!!

for those who are just learning - a great guide to all of the tools in the Mapbox ecosystem (how they work and how they work together) https://www.mapbox.com/help/how-mapbox-works/

Really great tutorial on how you can add an external tile later to a http://geojson.io generated map (example uses @nypl_labs’s Map Warper as source) https://github.com/maptimelex/maptimeWET/wiki/GeoJSON.io:-Add-an-external-tile-layer-(The-easier-way)

@captain.primate: I’m exploring http://GeoJSON.io thanks to your tip from the morn. I’m missing how to save those external tile layers (or the references thereto). Think I’ve RTFMed, but I’m super-green with GeoJSON. Am I missing something simple, or do I need to get deeper with GeoJSON, or something?

adding layers to the map are done through the javascript mapping library (leaflet.js or mapbox.js)