Map | Digital Archive Systems Tech Blog

Datawrapper: A Data Visualization Tool for Researchers and Journalists

Introduction In Digital Humanities (DH) research, data visualization is an essential means of communicating analytical results. However, sophisticated visualization using tools like D3.js or Python’s Matplotlib requires programming knowledge. Datawrapper is a tool that lets you create professional charts, maps, and tables without any coding. It primarily targets journalists and researchers and is used by major media outlets such as The Washington Post and The Guardian. Key Features of Datawrapper 20+ Chart Types Datawrapper supports a wide range of visualization formats, from basic charts like bar graphs, line charts, and scatter plots to donut charts, area charts, and range plots. You can choose the optimal representation method to match the nature of your data. ...

March 15, 2026 · 3 min · Nakamura

Trying Out Peripleo

Overview I investigated how to use “Peripleo,” so here are my notes. “Peripleo” is described as follows. Peripleo is a browser-based tool for the mapping of things related to place. https://github.com/britishlibrary/peripleo This time, I will introduce how to use it in combination with “Rekichizu” (Historical Maps), which was introduced in the following article. Result You can try it out at the following URL. https://nakamura196.github.io/peripleo/ The repository is available here. ...

December 13, 2024 · Updated: December 13, 2024 · 4 min · Nakamura

Notes on Extracting Latitude and Longitude from Google Maps Short URLs

Overview I had an opportunity to extract latitude and longitude from a Google Maps short URL like the following. https://goo.gl/maps/aPxUgDJ9KP2FLFkN7 https://goo.gl/maps/aPxUgDJ9KP2FLFkN7 At that time, two sets of latitude and longitude could be obtained, so this is a personal note on the matter. Extraction Method I received the following answer from GPT-4. -– Answer below — It is not possible to directly extract latitude and longitude from a Google Maps short URL (goo.gl/maps/...). However, by expanding this short URL to obtain the original URL, you can extract the latitude and longitude from that URL. ...

August 22, 2023 · Updated: August 22, 2023 · 2 min · Nakamura

[Omeka S Module Introduction] Mapping Module

Overview This is an introduction to the “Mapping” module for integrating maps with Omeka S. https://omeka.org/s/modules/Mapping/ Installation This module can be installed using the standard method for Omeka S. Adding Location Information On the item editing screen, add location information from the “Mapping” tab. Map-based search and display are available on the public site.

November 25, 2022 · Updated: November 25, 2022 · 1 min · Nakamura