search for: topographic

Hi there, I have two data sets, one of locations at different elevations (x,y,z) and the other of points that make up topographic contours (also x,y,z). I have used: result<-apply(distppll(data2,cbind(topocon[-nrow(topocon),],topocon[-1,])),1,min) where 'data2' are my measurement coordinates (x, y) and 'topocon' are my topographic contours (x,y). While this gives me an output of the distance from each dat...

Hi Sherri, There are examples of topographic maps which you have been pointed to, however, I suspect that you want to know where you can obtain topographic data from rather than a canned example. There are quite a few intricacies to the process so I will go through them for you. (1) Topography files can be found in the geomapdata library. Y...

Hi All- I would like to create a 3d topographic map using lat/lon and z(height). I have been scouring the R help pages and have not located the package I am looking for. Does anyone have a suggestion of package that will work for this? thanks- sherri

Dear list members I'm currently working on some topographic (elevation) data, and was somewhat surprised that the 'topo.colors' and 'terrain.colors' are of little to no use here. The problem is that these functions only return a palette of colours; they don't map depth values to colours. So if I plot (using 'image', 'per...

...alette from RGB or HSV 3-vectors. Maybe one of those will work for you. Jarek -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] Sent: Saturday, January 07, 2006 3:10 PM To: bogdan romocea Cc: r-help Subject: Re: [R] need palette of topographic colors similar to topo.colors() On Sat, 7 Jan 2006, bogdan romocea wrote: > Dear useRs, > > I got stuck trying to generate a palette of topographic colors that > would satisfy these two requirements: > - the pallete must be 'anchored' at 0 (just like on a map), with &gt...

Dear useRs, I got stuck trying to generate a palette of topographic colors that would satisfy these two requirements: - the pallete must be 'anchored' at 0 (just like on a map), with light blue/lawn green corresponding to data values close to 0 (dark blue to light blue for negative values, green-yellow-brown for positive values) - the brown must get d...

I tried to use R version of package I noticed the original MatLab Pckage is much better documented. I had a look at the R demo code "gtm_demo" and found that variable Y is used in advanced of being created: I wrote my own few lines as follows: inDir <- "C:/Documents and Settings/Monville/Alanine Dipeptide/DBP1/DHA" setwd(inDir) T <-

Hi all, I'm fairly new to R, so I'm still trying to feel out what is available to me. I would like to be able to plot joint density in a two dimensional plot where density is indicated by color or darkness gradients, like a 2d color coded topographic map. Ideally, the output would be something I could then plot other points or lines on. Currently, I'm calculating joint density with the function kde2d(), and plotted with persp(). Thanks a bunch. -Joe [[alternative HTML version deleted]]

Dear R-Listers, I have spatial data on an equidistant rectangular grid, similar to topographic data. I know that there are quite a few R-packages or base functions that provide nice iso-contours plot, but I don't want a plot, just the smoothed isocontour line of ONE level (e.g. 10 mm). Data sets are large, so it would be preferable if the availability of regular grid data could be explo...

I am trying to create a topographic map of an island - the filled.contour function works fine except i am experiencing difficulty trying to represent the sea properly. Basically I want the default colour blue for any instance where z=0, if I simply use the default topo.color I get shades of blue for z values up to 220 metres. Is ther...

...ity (the variance of residuals is small for small dependant variable values and increases for larger ones), which violates one assumption of the OLS method. Which of the numerous options should I choose? glm, robust lm, ... The problem is kept simple for now. I only try to explain the log of local topographic slope (dependent variable) with regard to the distance to the outlet of a catchment (independent variable) for a fixed drained area. Both variables are continuous. I ordered Venables and Ripley 2002, which I suspect is a sound reading for advanced stats with R, but it has not arrived yet and I nee...

...******** plot(numeric(0), numeric(0), NULL, *** 129,135 **** type="n", ann=FALSE) usr <- par("usr") rect(usr[1], usr[3], usr[2], usr[4], col="green3") ! contour(volcano, x, y, l, col="yellow", lty="solid", add=TRUE) box() title("A Topographic Map of Maunga Whau",font=4) title(xlab="Meters North", ylab="Meters West", font=3) --- 129,135 ---- type="n", ann=FALSE) usr <- par("usr") rect(usr[1], usr[3], usr[2], usr[4], col="green3") ! contour(x, y, volcano, col="yellow&...

Hi, I was trying to stack a topographic map readed in from esri shapefile with a contour map and a vector map. However, the plotMap(maptools) and contourplot(lattice) do not seem to work well on top of each other. Here is part of my code. xrange<-range(225000:350000) yrange<-range(2685000:2810000) basemap <...

...nique colours. For numbers that run from -4 to +2 you might want to use a diverging colour palette centred on zero. This might be continuous in some colour space or composed of a small number of discrete colours, each of which covers a range of values. Or it could be piecewise continuous as used in topographic maps - less than zero is blue, zero to 400 goes from sandy yellow to grassy green, 400 to 1000 goes from grassy green to rocky brown, then suddenly you hit the ice and 1000 and upwards is white. Or you could have a multivariate mapping where (x,y,z) -> (r,g,b,a) in complex and non-linear ways....

...k out the `--modify-window` option. Doesn't seem to stop all the folders being listed even though nothing is transferred. /usr/bin/rsync -av --modify-window=20 --no-whole-file --delete /music /NSA320-music/ . . . music/Yes/ music/Yes/Close to the Edge/ music/Yes/Fragile/ music/Yes/Tales From Topographic Oceans/ music/Yes/Yes Album/ music/Yes/Yessongs/ music/Yngwie Malmsteen, Joe Satriani & Steve Vai/ music/Yngwie Malmsteen, Joe Satriani & Steve Vai/G3- Rockin' in the Free World/ music/ZZ Top/ music/ZZ Top/Live From Texas/ music/ZZ Top/The Best of ZZ Top/ music/ZZ Top/ZZ Top Greatest Hi...

Hello, The other day Justin Peter presented a mini program to plot a topographic map with an overlay of the worldHires. I seemed interesting so I checked the ETOPO5 site and find that there is a new file ETOPO1 with a 1 minute grid. I downloaded it and tried a similar procedure. Now the ETOPO1.gz is 1 Gb and the uncompressed file is 5 Gb. They do not fit into my laptop. I tried...

...it more difficult to see them, thus making it harder to interpret the map. What I would prefer to do - Draw my data hexagons on a blank slate [ via imagecreate(width,height) function), then draw the county border on top of that, and then on top of that either draw the lakes/rivers and/or basic topographical lines. My preference obviously includes getting data sets for those things (county border, lakes/rivers, topography) in a format that I can parse with php to draw them with gd. My county does have some GIS data available: http://www.shastagis.co.shasta.ca.us/gissearch/search_new.aspx I don...

Hello Les, Sunday, December 14, 2014, 7:18:09 PM, you wrote: LM> Folders should only be listed if timestamps or permissions are different. Further experimentation shows this to be the case IF the destination is another local drive. Unfortunately the required destination is a CIFS share, which might change things. -- Best regards, Niamh mailto:niamh at

...to stop all the folders being listed even though nothing is > transferred. > > /usr/bin/rsync -av --modify-window=20 --no-whole-file --delete /music /NSA320-music/ > . > . > . > > music/Yes/ > music/Yes/Close to the Edge/ > music/Yes/Fragile/ > music/Yes/Tales From Topographic Oceans/ > music/Yes/Yes Album/ > music/Yes/Yessongs/ > music/Yngwie Malmsteen, Joe Satriani & Steve Vai/ > music/Yngwie Malmsteen, Joe Satriani & Steve Vai/G3- Rockin' in the Free World/ > music/ZZ Top/ > music/ZZ Top/Live From Texas/ > music/ZZ Top/The Best of ZZ T...

Hello, I have written a small set of R functions for doing Generative Topographic Mapping and variants, and would like to write part of the code in C++ using the MatClass Matrix Library ( http://les.man.ac.uk/ses/staff/crb/matclass/ ). Now, my problem is even before writing the code itself, to compile the MatClass library. Everything is OK under Windows but when trying to po...