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The Wandering Cartographer

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The Wandering...
Constructing the Pattern on the Sala de la Barca Ceiling I was flipping through Owen Jones’s Grammar of Ornament a couple months ago, and my eye was caught...
10 months ago
68

Constructing the Pattern on the Sala de la Barca Ceiling

from The Wandering Cartographer [alt+shift+b] in architecture

10 months ago
I was flipping through Owen Jones’s Grammar of Ornament a couple months ago, and my eye was caught by this handsome pattern I had not noticed before. This is Jones’s Plate XLII, in the chapter on designs from the Alhambra in Granada, Spain. He calls it, “Part of the ceiling of...
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The Wandering...
The Mathematics of the Pattern on the Sala de la Barca Ceiling (This is the math geek part about the Sala de la Barca ceiling. For instructions on constructing the...
10 months ago
66

The Mathematics of the Pattern on the Sala de la Barca Ceiling

from The Wandering Cartographer [alt+shift+b] in architecture

10 months ago
(This is the math geek part about the Sala de la Barca ceiling. For instructions on constructing the pattern with compass and straightedge, go over to Part 1.) In the process of figuring out how to draw this pattern, I ran into a lot of questions, and had to do more than a little...
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The Wandering...
Cartographic palettes and colour harmonies This story begins one day when I was assembling a map of the city of Edmonton, Alberta from...
over a year ago
63

Cartographic palettes and colour harmonies

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
This story begins one day when I was assembling a map of the city of Edmonton, Alberta from OpenStreetMap data. It was going to be a big map, a 42″ (106 cm) wide poster for a wall. The data was good, but the standard OSM colours were not. They would work fine for a street …...
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The Wandering...
Transforming French WW1 Lambert Coordinates to WGS84 Nord de Guerre Here’s a survey plat made in 1919 by a US Army unit in France. In the aftermath of...
a year ago
63

Transforming French WW1 Lambert Coordinates to WGS84

from The Wandering Cartographer [alt+shift+b] in architecture

a year ago
Nord de Guerre Here’s a survey plat made in 1919 by a US Army unit in France. In the aftermath of WW1, teams of American military surveyors produced these as they went around France mapping the grave sites of fallen soldiers. On this plat we can see a number of bearings and...
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The Wandering...
Making shaded relief directly from DEMs projected in degrees? In a presentation I gave at GeoIgnite 2021, I was explaining the process of using QGIS to make...
over a year ago
59

Making shaded relief directly from DEMs projected in degrees?

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
In a presentation I gave at GeoIgnite 2021, I was explaining the process of using QGIS to make shaded relief from DEMs, more or less as detailed in this post. There wasn’t time to explain the process of re-projection, so I rather boldly asserted that you don’t need to re-project...
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The Wandering...
Mapping Gottfried Merzbacher I’m wrapping up my work on Gottfried Merzbacher—a sort of back-burner project that’s been active and...
over a year ago
49

Mapping Gottfried Merzbacher

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
I’m wrapping up my work on Gottfried Merzbacher—a sort of back-burner project that’s been active and then dormant, on and off, for about seven years. It’s been a pleasure to learn about places like the Bayumkol valley, the relationship between the Saryzhaz and Kum-erik Rivers,...
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The Wandering...
QGIS 3 and Vector map tiles If you’ve ever tried printing a map from the Open Street Map tile service (available in QGIS through...
over a year ago
38

QGIS 3 and Vector map tiles

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
If you’ve ever tried printing a map from the Open Street Map tile service (available in QGIS through QuickMapServices plugin) you’ve experienced the annoyance of having all your labels come out tiny. In other words, you see this on the screen… But then you get this out of your...
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The Wandering...
Constructing Bourgoin’s Figure 171 – Part 2 Now that we know our way around the pattern (go back to Part 1), it should be fairly straightforward...
over a year ago
32

Constructing Bourgoin’s Figure 171 – Part 2

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
Now that we know our way around the pattern (go back to Part 1), it should be fairly straightforward to construct with a compass and straightedge. But be aware: any pattern that requires you to construct a pentagon is an advanced challenge. They are trickier to make than squares...
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The Wandering...
Mapping “Buffalo Days and Nights” by Peter Erasmus The Maps for Books collection has a new page: Peter Erasmus’s Buffalo Days and Nights. In 1920,...
over a year ago
30

Mapping “Buffalo Days and Nights” by Peter Erasmus

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
The Maps for Books collection has a new page: Peter Erasmus’s Buffalo Days and Nights. In 1920, Henry Thompson, an Alberta newspaperman, began interviewing 87-year-old Peter Erasmus, who lived near him in the area of Whitefish Lake, Alberta. Erasmus, who had been born in 1833 in...
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The Wandering...
Mapping Francis Younghusband in the Gobi Desert, 1887, Part 3: Hun-kua-ling sandhills to Ya-hu oasis [Go back to Part 2: From the Galpin Gobi to the Hun-kua-ling sandhills.] From here to the Ya-hu...
over a year ago
30

Mapping Francis Younghusband in the Gobi Desert, 1887, Part 3: Hun-kua-ling sandhills to Ya-hu oasis

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
[Go back to Part 2: From the Galpin Gobi to the Hun-kua-ling sandhills.] From here to the Ya-hu oasis (which Younghusband reaches on June 23rd) the route is obscure, and we find old maps less useful. We have to rely more upon comparing his route description with images of the...
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The Wandering...
53° 30′ N So, there I am, driving along in Edmonton, Alberta. I come to a stop light on Fort Road, look to my...
over a year ago
24

53° 30′ N

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
So, there I am, driving along in Edmonton, Alberta. I come to a stop light on Fort Road, look to my right and I see this: Is that a building with longitudes written on the roof?!?! And what are these longitudes? 9° 49’ W—that’s nowhere near Edmonton! Nor is 123°30’ E. What’s …...
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The Wandering...
Mapping Francis Younghusband in the Gobi Desert, 1887, Part 4: from the Ya-hu oasis to Hami. [Back to Part 3: from the Hun-kua-ling sandhills to the Ya-hu oasis] From Ya-Hu to Hami, we can see...
over a year ago
23

Mapping Francis Younghusband in the Gobi Desert, 1887, Part 4: from the Ya-hu oasis to Hami.

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
[Back to Part 3: from the Hun-kua-ling sandhills to the Ya-hu oasis] From Ya-Hu to Hami, we can see that Younghusband now has to turn south, as his own map shows. The journey takes from June 23rd to July 4th, or twelve days. His mapmaker places Ula Khutun almost halfway from...
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The Wandering...
Constructing Bourgoin’s Figure 171 – Part 1 Just veering off into geometry here…. In November I was watching Eric Broug, an Islamic geometric...
over a year ago
22

Constructing Bourgoin’s Figure 171 – Part 1

from The Wandering Cartographer [alt+shift+b] in architecture

over a year ago
Just veering off into geometry here…. In November I was watching Eric Broug, an Islamic geometric design guru, give a talk online at an Islamic art conference, and I noticed that behind him they were projecting an interesting pattern on the scrim. I froze the video and grabbed a...
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