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#RailwayHistoryMap

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Martin Hoffmann

It took an afternoon of fiddling with advanced maths,* but the dotted line approach also now works with track decoration such as electrification marks.

(Yes, all these lines have the same number of strokes. Yes, that means I had to roll my own dash mechanics.)

* Multiplication and division, mostly.

Three parallel set of double track lines. One set is green, two are purple, all of them are formed of very short dashes. Each pair has little stroke marks on the right track. The green one has them in pairs of two, the middle purple one single marks, and the right purple one has purple single marks and green paired marks. All the marks align perfectly with the short dashes.
Public
Martin Hoffmann

I’ve decided to make a change to the overview scale of the : Abandoned light railways and interurban trams will now be shown but will have stations marks and labels only at the larger scale (i.e., zoom level 10 in the web version). This will allow adding them in regions that had lots of them, like the Netherlands or northern Italy, without turning the map into a confusing mess. This will be a side project while the main focus is still on adding the missing European countries …

Public
Martin Hoffmann

I’m renovating the Kaliningrad Oblast on the since it was one of the first regions. As part of that I want to add the missing lines added post war. If anyone happens to have information about the now closed Chernyakhovsk avoiding line, in particular the names of its junctions with existing lines, that would be helpful as I wouldn’t have to make up some placeholders (in Russian, which will go wrong).

Public
Martin Hoffmann

I’ve been struggling with medium scale for the , particularly on how to represent non-passenger lines. I think this ladder pattern works quite well. Using wide strokes for double track lines rather than showing individual tracks also feels better for understanding complex junctions.

Excerpt of an experimental version of the Railway History Map showing some select lines around Hamburg-Harburg and Maschen Rbf in medium scale. Double track lines are wide strokes instead of two narrow strokes. Non-passenger lines are shown with a very short dash pattern.
Public
Martin Hoffmann

Quick update: I made it through the “numbered” lines in Poland – even with skipping a bunch I ended up at nearly 700 of them. Now for all the things closed before 1985 – another 300 or so lines – and then Poland is done.

Public *
Martin Hoffmann

Which reminds me: Does anyone perchance know an online source for French topographical maps from the first half of the 20th century? I still need to add the secondary lines to the but quite a few are already missing on the 1950s maps that IGN has.

Edited to add: In order to be able to trace the lines, the scale needs to be at least 1:100,000 but something like 1:50,000 or even better would be great.

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