Questions tagged [cartography]
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23 questions
7 votes
2 answers
355 views
How can smartphones help geologists in the field?
Smartphones have incorporated many sensors and some of them can be helpful for a geologist in the field: They have GPS, so it is possible to register your route in a Google Maps map. I find this may ...
user20559
6 votes
1 answer
328 views
Old topographic maps of Odisha, India
For my research related to coastal Odisha, India I am mapping the coastal boundary. I have downloaded available Landsat images which date back to 1972. But I want to map the same for before 1972. I am ...
- 213
6 votes
6 answers
4k views
How can a starting point south of the north pole to an endpoint north of the south pole be halfway around the world?
NOTE: I first posted this question to the GIS StackOverflow site, but someone there said my question would be better suited to the Geography or Earth Science site. GIS seems the perfect place for the ...
3 votes
1 answer
321 views
Complete missing outcrop problem
Given A is upper limit of sand stone, B is the lower limit of the planes that are equal in distance and dip. Dip angle is 29 degrees. Complete the outcrop of this map. —————————————————————————- Now I ...
- 131
2 votes
0 answers
44 views
Literature on thematic 4D maps
I need to understand more about thematic 4D mapping. I would roughly classify it as a method of cartography. In particular I want to do research on what software is being used to create thematic 4D ...
- 161
5 votes
1 answer
95 views
Is sterescope still used to do cartography with orthophotography?
I used this tool at my degree a couple of lusters ago to do cartography with aerial orthophotos. We used it on cartography and geomorphology subjets. Source: gumtree.com The method consists ...
user12525
4 votes
1 answer
459 views
Great circle in UTM coordinates
I've got a question about calculation of great circles in Cartesian coordinates: Is it possible to compute points along a great circle in UTM coordinates, i.e. given two points P1(easting1, northing1)...
- 41
10 votes
2 answers
4k views
Are there seamounts as close as 100 m to the water surface and not inside any Exclusive Economic Zone?
I did not find any seamounts as close as 100 m to the water surface (100m from the mean surface level at the location of the mountain) that are not part of any Exclusive Economic Zone (EEZ.) Do any ...
- 246
4 votes
1 answer
627 views
How much of Earth's land area has antipodal land area?
Using the site antipodesmap one can quickly explore what the opposite point of the earth to any location would be. That is, the surface point connected to this point by a straight line through the ...
- 357
3 votes
3 answers
369 views
Is there a better system than latitudes and longitudes? [closed]
I am a student programmer, with very little knowledge of geography and am working with maps for a project, and have to convert latitudes and longitudes to points on a screen (map to pixels). So my ...
- 133
3 votes
2 answers
582 views
Elevation of a point on Earth
What purpose is served by taking sea level as the reference point for finding the height of any point on Earth when we all know that measuring the sea level is a very complex task and it differs from ...
- 131
4 votes
1 answer
3k views
What are the differences in terms of appearance between sandstone and limestone?
On the field, I find it very difficult to differentiate the two types of rocks just by looking at them.I know that you should do some analysis of the sample before any conclusions. But, for example in ...
- 161
1 vote
2 answers
87 views
Is there a name for the process of producing positional data for cartography?
Map-making requires two distinct processes, first to produce the data -- latitude, longitude and elevation -- of the points to be mapped; and second to represent this data on a flat surface as a map. ...
- 203
9 votes
3 answers
9k views
Is there a map that displays every country at its correct relative size?
I know that the standard Mercator projection is completely wrong when it comes to the relative sizes of countries (Greenland appears relatively much larger than in reality, for example). AFAIK they do ...
- 91
3 votes
2 answers
8k views
Why is the north considered as up, and south as down?
This question popped up in my head while watching LOTR, in wich a tree says: going south always feels like going down.
