One of the benefits of SVG files is the ability to edit them with JavaScript in an HTML page. To simplify the process I create a small app with Svelte where you can load an SVG file, edit it and then save it back to disk. Open an SVG file First I create a…

After converting a Shapefile to GeoJSON I can start creating the svg file. There are some repositories that can help. But I need something more specific. Conversion from GeoJSON to SVG must meet these requirements: keep the same aspect of the various geographical regions keep the various data for later…

The last few months have been a bit chaotic. I concentrated on how to create, update and modify maps. The aim is to obtain maps in SVG and PDF that can be used offline. And, perhaps, have a way to match data from excel files (or csv/json). Preamble One of the…

I keep putting my notes in order. This list of recommended posts is quite heterogeneous. But I think it’s worth keeping track of the most interesting things, and maybe sharing them with those looking for something interesting to read. But no more chatter and off with the five of the…

A few days ago Corey Thompson added events to the charts of my previous tutorial. I admit that I have deliberately left the subject. However, I took advantage of the question to investigate a little deeper on how to make the various graphs more interesting. First of all, here’s what…

One of my favorite hobbies is reading. I read a lot, books and more. But I don’t take notes on what I read: this is my fault. I want to start keeping track of the interesting things I read, week by week. I start today, with a collection of 5…

I haven’t decided yet if I will regularly post updates on Medium. But I want to have a place to keep track of this writing “experiment”. It is a topic that I have already partly covered in my travel diary. In this post I want to be more specific. I…

Documenting my progress as a programmer till January 2022. — A little over a month has passed since my last update: it’s time for a new update. Sooner or later I will be able to achieve regularity with these reports. I should do them on a monthly basis. They are used, above all to me, to understand how I am…

Serve a local folder of files to your browser — One of the difficulties I’m encountering working on the gest-dashboard project is related to how to view folders inside a browser. Or rather, how to use folders containing locally saved HTML files. As long as they are simple files this is not a problem. It gets harder when it comes…