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NOT Printing a wall-sized map (an alternative)

Published on 26.07.2015., in Ranting

Prologue

As you know, I like to travel. And as most of avid travellers out there, I like keeping a nice log of the places I've been. Everybody and their dog has some sort of a digital map with flags, which is convenient, easily updatable but for me — very impersonal. Back in 2011., when most of my ventures were bound to Europe, I just went and bought the biggest paper map of Europe I could find, printed loads of tiny flags and stuck them onto the map. The end result was both simple and beautiful:

Good ol' times
Good ol' times

However satisfying at the time, that map was not a long-term solution as it became insufficient that very same year, when I went to Finland and realised that most of it is not on this map I bought. At that point, I started considering getting a big, high resolution map of the world, but such a thing was not available in Serbia and I parked the idea until it became more of an issue.

Several months later, I moved to Amsterdam. While decorating my rental apartment, I was constantly thinking about where could I place the bigger brother of the map that I left home, but it didn't seem to fit. Then I started travelling outside Europe a lot, which made it clear that I would need a really big map for which there was no room in that apartment. Fast forward three years: I bought a bigger apartment and after all the decorating I was left with one relatively big and empty wall, in the so-called study.

The problem

Even though I expected otherwise, high resolution paper maps of the world are not easy to find. The maps I could find online were either too small, too childish or with too much accent on features I was not interested in. I just wanted as plain as possible political map with as many cities as possible, which would be around 2.2m wide. Apparently, that's too much to ask for. Then, I ran into a fantastic article by Dominik Schwarz on how to print a map that would satisfy most of my needs. Eagerly, I followed his advice on creating a huge, detailed print file and while my computer was busy stitching it, I started exploring printing and plastering alternatives in Netherlands (thinking it would be a bit of a hassle getting everything shipped from Germany). Then I realised one important thing: my wall is almost 1m shorter than Dominik's. Opening the huge map file in Photoshop and adjusting its print size to the available wall size revealed that the city names are no longer readable. It also revealed one other problem: if I were to place the map where I intended to, I would have to re-wire the light switch, because it would have to be behind the map. Since I was already in sour grapes mode, I added one more problem: I don't really like Mercator projection used by Google. The whole "Greenland looks as big as Africa" is not really my thing.

The solution

Then I started re-evaluating: what exactly is important to me and how can I achieve it. I wanted a political map with not too much text that would hold "flags" of places I've been to and fit the specific wall-size. When you remove the text, it becomes a lot easier. Namely, I should recognise the countries I've been to; while for the "overview-type" map I care more about the distribution of the "flags" than about the precise representation of the each one. That revealed another point: high-resolution was not mandatory either. So, how do you achieve a "low resolution" on something 2.2m wide? Using a sharpie.


Look, Ma, I'm using the ironing board!
Look, Ma, I'm using the ironing board!

Even though in this photo you can see a huge bunch of sharpies, in the end I only needed 3: a black 1mm "CD/DVD marker" for land outlines, a black 0.4mm "fineliner" for country borders and a red 0.4mm "fineliner" for cities. The map that I decided to use as a guideline is actually of a fairly high resolution — way higher than 1920x1080 deliverable by the projector — but even though I originally wanted to split the wall in 3x3 segments in order to get a virtual 5760x3240 resolution, I realised that I don't have the means to position the projector in such a way to cover all of those quadrants, so I settled with the low resolution and... it's Good Enough™:

The finished productThe finished product

It took a couple of hours to finish (a lot less than I expected) and it cost €1.4 (I borrowed the projector from my workplace). For that price, I'm ok that some country borders are a bit approximated. Yes, it's not the best map ever made but it fulfils all of my criteria with the added bonus that it's as personal as it gets.

Final words

I thought there would be more red dots
I thought there would be more red dots

In case you decide to do this with your wall, I would say: just go for it. It's easy, fast and margin for error is very minimal. Also, I've been reading all kinds of posts about the "science" of wall-tracing (where should you put the projector, how should you distort the image, etc.) and, personally, I call bull. As you can see from one of the previous photos, the projector was in a sub-optimal position, but I managed not to block the light and easily trace the borders. Speaking of which, I absolutely love the thickness contrast between the land borders and the country borders — and I think you would too — but maybe you'd want to re-consider the thickness (and maybe even colour) of the city marker as the red dots are very subtle. For me, it works, as it's not too distracting and it takes a bit of "exploration" to see where I went, but if you want it to be more in-your-face, I'd go for a thicker marker.


Finally, if you have your own take on putting a big map on your wall, I'd like to know how it went, so do drop me a line!




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