for questions related to topographic maps and other quantitative representations of relief, especially those that use contour lines, or other types of lines connecting places of equal elevation
Questions tagged [topographical-lines]
3 questions
37
votes
8 answers
Drawing a Topographical Map
I've been working on a visualization project for 2-dimensional continuous data. It's the kind of thing you could use to study elevation data or temperature patterns on a 2D map. At its core, it's really a way of flattening 3-dimensions into…
benjismith
- 16,559
- 9
- 57
- 80
6
votes
4 answers
How to make topographic map from sparse sampling data?
I need to make a topographic map of a terrain for which I have only fairly sparse samples of (x, y, altitude) data. Obviously I can't make a completely accurate map, but I would like one that is in some sense "smooth". I need to quantify…
Norman Ramsey
- 198,648
- 61
- 360
- 533
1
vote
1 answer
When I Call Open Topography GET, it installs a .tif file, but R is unable to create a raster image from file
library(raster)
library(rgdal)
library(elevatr)
library(rgeos)
library(leaflet)
library(RColorBrewer)
library(rgl)
r1 <- raster()
s1 <- stack()
base <- 'https://portal.opentopography.org/API/globaldem?demtype=AW3D30'
api_key <-…
Ben Dennison
- 25
- 6