I'm writing an article on the Kon-Tiki expedition.
The article will look much like this [1] earlier
article I did. It is in Swedish, but you get the
picture. It is not scientific or anything and what
I need is a couple of simple but clear maps: Peru,
Polynesia, and so.
I'm a CLI, LaTeX, gnuplot etc. user so it would be
cool to have a program to produce simple maps, and not
just for this article God willing.
I've heard about and installed gmt (Generic Mapping
Tools) for my Debian which seems to be exactly what
I need, but I failed to find a simple example to
execute, and the examples I did find I couldn't
execute, as I only found the scripts, not the
data files!
Even tho probably gmt is great I'm not dead set on
using that in particular.
What I would like to to is, for example, one puts in
a file that one wants a black and white PNG not bigger
than some size, showing the Pacific Ocean including
Hawaii and Easter Island, and then the program outputs
the map.
Screen shot from Google Maps not good enough?
You can de-saturate it in Photoshop or Gimp
or whatever.
Alan Browne <alan.browne@freelunchvideotron.ca>
writes:
Screen shot from Google Maps not good enough?
You can de-saturate it in Photoshop or Gimp
or whatever.
It is good enough in terms of quality but not the
enjoyment of work. I know it is possible to do the way
I do it, so I'm gonna keep looking...
You can get vector representations of just about any
place on earth from Open Street Map.
<http://www.openstreetmap.org/#map=5/51.500/-0.100>
You'll have to do some work to figure out how to get
what you need, but it's probably the best
open-source map data that's available.
I did it! :)
Here is the command to get Fatu Hiva!
gmt pscoast -R-138.75/-138.55/-10.6/-10.4 -JM6i -Pc \
-Ba0.33/a0.33/WeSn -S0/100/200 -Ggray -Dh \
-W0.1 > fatu-hiva.ps
The result (the PNG after convert(1)):
http://user.it.uu.se/~embe8573/pics/fatu-hiva.png
http://user.it.uu.se/~embe8573/pics/fatu-hiva.ps
Still, not much of a map tho... I'll have to figure
out how to add the villages... and mountains... and
moais... and aku-akus!
But it is possible, just like I knew that it would be! :)
The result (the PNG after convert(1)):
http://user.it.uu.se/~embe8573/pics/fatu-hiva.png
http://user.it.uu.se/~embe8573/pics/fatu-hiva.ps
Still, not much of a map tho... I'll have to figure
out how to add the villages... and mountains... and
moais... and aku-akus! But it is possible, just
like I knew that it would be! :)
https://www.google.ca/maps/place/10%C2%B033'36.0%22S+138%C2%B034'12.0%22W/@-10.4932872,-138.6811578,13z/data=!4m2!3m1!1s0x0:0x0
Is much better.
as is
https://www.openstreetmap.org/directions?from=w%20138%2034%20%2C%20s%2010%2033#map=13/-10.4972/-138.6631
Much easier to use what others have done than to
start from scratch.
Alan Browne <alan.browne@freelunchvideotron.ca>
writes:
The result (the PNG after convert(1)):
http://user.it.uu.se/~embe8573/pics/fatu-hiva.png
http://user.it.uu.se/~embe8573/pics/fatu-hiva.ps
Still, not much of a map tho... I'll have to figure
out how to add the villages... and mountains... and
moais... and aku-akus! But it is possible, just
like I knew that it would be! :)
https://www.google.ca/maps/place/10%C2%B033'36.0%22S+138%C2%B034'12.0%22W/@-10.4932872,-138.6811578,13z/data=!4m2!3m1!1s0x0:0x0
Is much better.
as is
https://www.openstreetmap.org/directions?from=w%20138%2034%20%2C%20s%2010%2033#map=13/-10.4972/-138.6631
Day one is not about comparing quality to others who
have spent years on their work.
Day one is getting your foot thru the door to see if
You're wasting your time. I have nothing against using or making
my own tools. Indeed I write all sorts of s/w for my needs
(personal and business), but only because it is unique to my
needs. I don't re-invent what has already been done. That is
wasteful.
Careful, I suspect you just agreed with him, motivation wise ;)
On 2016-03-26 14:54, Emanuel Berg wrote:
Alan Browne <alan.browne@freelunchvideotron.ca>
writes:
The result (the PNG after convert(1)):
http://user.it.uu.se/~embe8573/pics/fatu-hiva.png
http://user.it.uu.se/~embe8573/pics/fatu-hiva.ps
Still, not much of a map tho... I'll have to figure
out how to add the villages... and mountains... and
moais... and aku-akus! But it is possible, just
like I knew that it would be! :)
https://www.google.ca/maps/place/10%C2%B033'36.0%22S+138%C2%B034'12.0%22W/@-10.4932872,-138.6811578,13z/data=!4m2!3m1!1s0x0:0x0
Is much better.
as is
https://www.openstreetmap.org/directions?from=w%20138%2034%20%2C%20s%2010%2033#map=13/-10.4972/-138.6631
Day one is not about comparing quality to others who
have spent years on their work.
One doesn't waste time on things solved (and usually better so)
by others.
Day one is getting your foot thru the door to see if
<loopy fantasy talk deleted>
You're wasting your time. I have nothing against using or making
my own tools. Indeed I write all sorts of s/w for my needs
(personal and business), but only because it is unique to my
needs. I don't re-invent what has already been done. That is
wasteful.
Careful, I suspect you just agreed with him,
motivation wise ;)
Not at all. He wants to re-invent what others have
done quite well.
His primary goal is to write a historical paper.
Getting side tracked on s/w techniques to generate
maps appears to me to be a distraction from his
goal. Were he writing a paper on generating maps
that would be another kettle of fish.
Sysop: | Keyop |
---|---|
Location: | Huddersfield, West Yorkshire, UK |
Users: | 379 |
Nodes: | 16 (0 / 16) |
Uptime: | 85:01:09 |
Calls: | 8,091 |
Files: | 13,069 |
Messages: | 5,849,016 |