Re: [R-sig-Geo] stplot question
Erin, See the help of xyplot in package lattice, in particular argument layout. On 03/05/2013 08:21 AM, Hodgess, Erin wrote: Hello! I have a spatio-temporal data set with 23 cities and 11 years of annual data. I have made it through krigeST without any problem. I use stplot and it works fine. It puts all of the plots on one page. My question: is there a way to have each of the stplots on separate pages, please? Thanks, Erin [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de http://www.52north.org/geostatistics e.pebe...@wwu.de ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
Re: [R-sig-Geo] stplot question
Thank you! I have: stplot(kr3, layout=c(0,11)) Now, of course, one more thing, please: the plots run one after another. Is there a way to do one at a time, please? My ideal is to have 11 png files. Thanks again, Erin From: r-sig-geo-boun...@r-project.org [r-sig-geo-boun...@r-project.org] on behalf of Edzer Pebesma [edzer.pebe...@uni-muenster.de] Sent: Tuesday, March 05, 2013 2:12 AM To: r-sig-geo@r-project.org Subject: Re: [R-sig-Geo] stplot question Erin, See the help of xyplot in package lattice, in particular argument layout. On 03/05/2013 08:21 AM, Hodgess, Erin wrote: Hello! I have a spatio-temporal data set with 23 cities and 11 years of annual data. I have made it through krigeST without any problem. I use stplot and it works fine. It puts all of the plots on one page. My question: is there a way to have each of the stplots on separate pages, please? Thanks, Erin [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de http://www.52north.org/geostatistics e.pebe...@wwu.de ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
Re: [R-sig-Geo] stplot question
Erin, if you don't specify the filename argument of the png file but leave it to the default value, you will end up with Rplot001.png Rplot002.png ... Rplot011.png See how the default is constructed to understand how you can modify this to your taste. On 03/05/2013 09:39 AM, Hodgess, Erin wrote: Thank you! I have: stplot(kr3, layout=c(0,11)) Now, of course, one more thing, please: the plots run one after another. Is there a way to do one at a time, please? My ideal is to have 11 png files. Thanks again, Erin From: r-sig-geo-boun...@r-project.org [r-sig-geo-boun...@r-project.org] on behalf of Edzer Pebesma [edzer.pebe...@uni-muenster.de] Sent: Tuesday, March 05, 2013 2:12 AM To: r-sig-geo@r-project.org Subject: Re: [R-sig-Geo] stplot question Erin, See the help of xyplot in package lattice, in particular argument layout. On 03/05/2013 08:21 AM, Hodgess, Erin wrote: Hello! I have a spatio-temporal data set with 23 cities and 11 years of annual data. I have made it through krigeST without any problem. I use stplot and it works fine. It puts all of the plots on one page. My question: is there a way to have each of the stplots on separate pages, please? Thanks, Erin [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de http://www.52north.org/geostatistics e.pebe...@wwu.de ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de http://www.52north.org/geostatistics e.pebe...@wwu.de ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] Transform 2or 3 raster with texture information in soil triangle classes.
Dear All, does anyone maybe know a R script or a software tool that transforms a set of texture rasters (sand , silt , caly) into one classified raster according the German triangle ‘‘Bodenkundliche Kartieranleitung 1994. I know that SAGA GIS does have such a function but I think the results are classified according the USDA classification. Thank you in advance, Swen ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] Spatial interpolation of rainfall timeseries with e.g. spacetime
Dear all, I work on rainfall-runoff processes in a semi-arid area. I have time series of about 15 rainfall stations within a small area (300 sqkm) and want to perform spatial interpolation (idw or kriging) on a 5min-timestep. Runoff processes respond in my research area often to short peaks of rainfall intensity - therefore I need to work on this short time intervals. First I would like to perform spatial interpolation on a 5 min time step but exclude time intervals with no rain so I receive a data set with about 5000 time steps for a single year. Second I want to build sums of hourly, daily, monthly and yearly rainfall on a grid base to apply water balance calculations. Finally I want to create a regular time series of mean rainfall over my watersheds on the 5 min time steps by the use of spatial polygons. In the beginning I tried to realize simple IDW interpolation considering the time steps with rainfall in a for-loop but I get stuck in the aggregation step for hourly, daily, ... rainfall because of the time gaps in my data deleting the no rain time steps. Then I found the package spacetime which seems to offer exactly the functionality I need. Following the Ireland wind example I could not understand how to modify the example with kriging using simple IDW method. Can someone give me a hint how to apply IDW over a spatial time series? I had also problems applying extract(grid, raster, fun=mean) on spatialpolygonsdataframe and spatialgriddataframe. Is it only working for the class spatialpolygons? I import my polygons by using readOGR() and the raster by read.asciigrid(). The rainfall data I use has the following format: Station Station01 Station02 Station03 Station04 Station05 Station06 Station 07 Station08 Station09 PosX18 195900 181950 192150 179550 176750 182950 170400 173100 PosY157550 150950 154550 141650 154700 157050 158450 147800 133500 01.03.2012 00:050 0 0 0 0 0 0.0 0.2 0.2 01.03.2012 00:100 0 0 0 0 0 0.0 0 0.1 01.03.2012 00:150 0 0 0 0 0 0.0 0.4 0.1 01.03.2012 00:200.2 0 0 0 0.2 0 0.0 0.2 0.1 01.03.2012 00:250.2 0 0.2 0 0.4 0.4 0.2 0.4 0.1 01.03.2012 00:300 0 0.4 0 0.4 0.2 0.4 0.6 0.1 01.03.2012 00:350.2 0 0.2 0 0.2 0.2 0.2 0.6 0.1 01.03.2012 00:400.2 0 0.2 0 0.4 0.2 0.2 0.8 0.0 01.03.2012 00:450 0 0.4 0 0.4 0.4 0.4 0.4 0.0 01.03.2012 00:500.2 0 0.4 0 0.2 0.2 0.4 0.2 0.0 01.03.2012 00:550.2 0 0 0 0.6 0.2 0.0 0.2 0.0 01.03.2012 01:000 0 0.4 0 0.2 0.2 0.4 0.2 0.1 01.03.2012 01:050.2 0 0.2 0 0.2 0.2 0.2 0 0.1 01.03.2012 01:100.2 0 0.2 0 0.2 0.2 0.2 0 0.0 01.03.2012 01:150 0 0 0 0.2 0.4 0.0 0 0.0 01.03.2012 01:200 0 0.2 0 0 0 0.2 0 0.0 01.03.2012 01:250 0 0 0 0.2 0.2 0.0 0 0.0 01.03.2012 01:300 0 0 0 0 0 0.0 0 0.0 01.03.2012 01:350.2 0 0 0 0 0 0.0 0 0.0 01.03.2012 01:400 0 0 0 0 0 0.0 0 0.0 01.03.2012 01:450 0 0 0 0 0 0.0 0 0.0 01.03.2012 01:500 0 0 0 0 0 0.0 0 0.0 01.03.2012 01:550 0 0 0 0 0 0.0 0 0.0 01.03.2012 02:000 0 0 0 0 0 0.0 0 0.0 Any help is kindly appreciated. Best regards Fabian ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] Directional correlograms
Hi everyone, I think this question has been asked previously as well, but I could not find the answer. Can someone show me how I can calculate directional correlograms using any spatial statistics package in R? Thanks in advance for your help. S- [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] creating a SGDF with transformed coordinates and spatial aggregation
Dear all, I have a large data frame in form of (Lon, Lat, Value) ((coordinates in EPSG:3035). I can convert the data frame into a object of class SGDF using the following commands: coordinates(df)=~x+y proj4string(df)=CRS(+init=epsg:3035) gridded(pts) = TRUE fullgrid(pts)=TRUE getGridTopology(df) x y cellcentre.offset 2638500 1430500 cellsize 50005000 cells.dim 664 797 However, when i transform the coordinates to EPSG:4326 and then try to convert it to a SGDF, i get the following error: coordinates(df)=~x+y proj4string(df)=CRS(+init=epsg:3035) pts = spTransform(df,CRS(+init=epsg:4326)) gridded(df) = TRUE suggested tolerance minimum: 0.154774 Error in points2grid(points, tolerance, round) : dimension 1 : coordinate intervals are not constant Any ideas, how i can obtain a regular grid. And off-course a reproducible example: x=c(5013500, 5018500, 4883500, 4888500, 4893500, 4898500, 4908500, 4948500, 4953500, 4958500, 4963500, 4973500, 4978500, 4988500, 5008500, 5013500, 5028500, 4878500, 4883500, 4888500, 4893500, 4898500, 4903500, 4928500, 4963500, 4968500, 4973500, 4978500, 4983500, 4988500) y=c(5395500, 5395500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500) z=c(1.74, 1.74, 1.82, 1.82, 1.82, 1.81, 1.81, 1.78, 1.77, 1.77, 1.76, 1.76, 1.75, 1.74, 1.73, 1.73, 1.72, 1.82, 1.82, 1.81, 1.81, 1.80, 1.80, 1.78, 1.75, 1.75, 1.74, 1.74, 1.73, 1.73) df1=data.frame(x,y,z) coordinates(df1) - c(x, y) proj4string(df1)=CRS(+init=epsg:3035) df1 = spTransform(df1,CRS(+init=epsg:4326)) gridded(df1)=TRUE suggested tolerance minimum: 0.311581 Error in points2grid(points, tolerance, round) : dimension 1 : coordinate intervals are not constant And with the example data, the spatial resolution is 5 km * 5 km and i would like to aggregate to 15*15 km. The new cellsize would be now an average of the corresponding values in 3*3 cells. Also what to do if come grid cells contain NA. I would be thankful if people could provide some ideas on how to get around this. Thanks a lot for your time. Navin [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] creating a SGDF with transformed coordinates and spatial aggregation
Sorry..i am resending my mail again ..first mail i sent as HTML format Dear all, I have a large data frame in form of (Lon, Lat, Value) ((coordinates in EPSG:3035). I can convert the data frame into a object of class SGDF using the following commands: coordinates(df)=~x+y proj4string(df)=CRS(+init=epsg:3035) gridded(pts) = TRUE fullgrid(pts)=TRUE getGridTopology(df) x y cellcentre.offset 2638500 1430500 cellsize 50005000 cells.dim 664 797 However, when i transform the coordinates to EPSG:4326 and then try to convert it to a SGDF, i get the following error: coordinates(df)=~x+y proj4string(df)=CRS(+init=epsg:3035) pts = spTransform(df,CRS(+init=epsg:4326)) gridded(df) = TRUE suggested tolerance minimum: 0.154774 Error in points2grid(points, tolerance, round) : dimension 1 : coordinate intervals are not constant Any ideas, how i can obtain a regular grid. And off-course a reproducible example: x=c(5013500, 5018500, 4883500, 4888500, 4893500, 4898500, 4908500, 4948500, 4953500, 4958500, 4963500, 4973500, 4978500, 4988500, 5008500, 5013500, 5028500, 4878500, 4883500, 4888500, 4893500, 4898500, 4903500, 4928500, 4963500, 4968500, 4973500, 4978500, 4983500, 4988500) y=c(5395500, 5395500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5390500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500, 5385500) z=c(1.74, 1.74, 1.82, 1.82, 1.82, 1.81, 1.81, 1.78, 1.77, 1.77, 1.76, 1.76, 1.75, 1.74, 1.73, 1.73, 1.72, 1.82, 1.82, 1.81, 1.81, 1.80, 1.80, 1.78, 1.75, 1.75, 1.74, 1.74, 1.73, 1.73) df1=data.frame(x,y,z) coordinates(df1) - c(x, y) proj4string(df1)=CRS(+init=epsg:3035) df1 = spTransform(df1,CRS(+init=epsg:4326)) gridded(df1)=TRUE suggested tolerance minimum: 0.311581 Error in points2grid(points, tolerance, round) : dimension 1 : coordinate intervals are not constant And with the example data, the spatial resolution is 5 km * 5 km and i would like to aggregate to 15*15 km. The new cellsize would be now an average of the corresponding values in 3*3 cells. Also what to do if come grid cells contain NA. I would be thankful if people could provide some ideas on how to get around this. Thanks a lot for your time. Navin ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] Topographical Data SOS
Hey R SIG GEO folks, I'm an amateur R user, and have been trying to make a topographical map of Nova Scotia, Canada, on and off for the past month (with little success). I can make a two dimensional map simply using base R, but I'd like to get some sort of heat/contour map with elevation. I'm curious if anyone out there has any ideas on where I should start. Thank you kindly for your time, Christine McLauchlan M.Sc. Candidate, Acadia University cmclauch...@upei.ca [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
Re: [R-sig-Geo] raster::crop() can fail when cropped region is too large to process in memory.
Robert Hijmans wrote Josh, Thanks for reporting this, I will make 'crop' more conservative. The easiest way to deal with this (I believe rare) problem is to change the default setting of maxmemory: rasterOptions(maxmemory=1e+07) After that, crop(r, E, filename=smallerRast) will likely run without a problem (although I cannot know for sure). Robert Robert, Thanks! I can confirm that setting maxmemory to 1e7 solves the problem. I believe that you may want to up n in canProcessInMemory, to n=5 (rather than n=4). With a bit of poking around, I found cases in which crop will fail even when canProcessInMemory(out, 4) -- TRUE, but wherever canProcessInMemory(out, 5) -- TRUE, the operation succeeds. Here's an example where crop fails when canProcessInMemory(out, 4) -- TRUE: r - raster(bigRast) E - extent(c(-179, 179, -89, 69)) crop(r, E, filename=smallerRast) In my use case, editing crop() to use canProcessInMemory(out, 5) made everything run smoothly, whereas one in five or so of cropping operations were failing when I used the default. Thanks for all of your work on this remarkable package, Josh -- View this message in context: http://r-sig-geo.2731867.n2.nabble.com/raster-crop-can-fail-when-cropped-region-is-too-large-to-process-in-memory-tp7582954p7582968.html Sent from the R-sig-geo mailing list archive at Nabble.com. ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] Re. Topographical Data SOS
Begin forwarded message: From: Christine Lynn Mc Lauchlan cmclauch...@upei.ca Date: March 5, 2013 7:34:15 PM GMT+01:00 To: CIO Student swagathnavi...@gmail.com Subject: Re: Re. Topographical Data SOS Hi Swagath, THIS IS PERFECT! Oh my, I have been stuggling with this for ages, and all I was missing it the simple geom_tile( ). Thank you so kindly, Christine On Tue, Mar 5, 2013 at 2:19 PM, CIO Student swagathnavi...@gmail.com wrote: Hi there, There are many ways to make a topographical map in R. Given below are two examples from R to create a topographical map of a volcano. require(grDevices); require(graphics) filled.contour(volcano, color.palette = terrain.colors, asp = 1) title(main = volcano data: filled contour map) library (ggplot2) library(reshape2 ggplot(melt(volcano), aes(x=Var1, y=Var2, fill=value))+geom_tile() I dont know if this is what you want to know? Cheers, Swagath Navin [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] question about image function
Hello again!
I'm running into a problem with the image function within a loop. When I put
it to the screen, it works fine, but when I put it to a PNG file, the picture
doesn't change.
Here is the code:
for(i in 1:11) {
j1 - (i-1)*n2 + 1
j2 - i*n2
predx -
data.frame(pred=kr3$var1.pred[j1:j2],lon=kr3@sp@coords[,1],lat=kr3@sp@coords[,2])
coordinates(predx) - ~lon+lat
proj4string(predx) - proj4string(kr3)
predx.wgs84 - spTransform(predx,CRS(+proj=longlat +datum=WGS84))
llSPix - as(llSGDF, SpatialPixelsDataFrame)
(st - system.time(llSPix$pred - idw(pred ~ 1,
loc=predx.wgs84,newdata = llSPix, nmax = 16)$var1.pred))
cat(stuff,i,\n)
f1 - paste(pred,i,a.png,sep=)
#Works fine
image(llSPix,pred,col=bpy.colors(),main=f1)
assign(file1,f1)
cat(filen,file1,\n)
png(filename = file1, width = GRD.wgs84$width,
height = GRD.wgs84$height,bg=transparent)
par(mar = c(0, 0, 0, 0), xaxs = i, yaxs = i)
image(llSPix, pred, col = bpy.colors())
dev.off()
kmlsetup(obj = GRD.wgs84, kmlfile =filename,
imagefile = file1, name =as.character(2000+i))
}
Has anyone run into this before, please?
Thanks,
Erin
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Re: [R-sig-Geo] question about image function
I don't see filename defined, or any packages required. Is it the png files
that are a problem or the 'kmlsetup' output? (whatever that is)
See the animation package for extremely simplifed image frame creation btw
On Wednesday, March 6, 2013, Hodgess, Erin wrote:
Hello again!
I'm running into a problem with the image function within a loop. When I
put it to the screen, it works fine, but when I put it to a PNG file, the
picture doesn't change.
Here is the code:
for(i in 1:11) {
j1 - (i-1)*n2 + 1
j2 - i*n2
predx - data.frame(pred=kr3$var1.pred[j1:j2],lon=kr3@sp
@coords[,1],lat=kr3@sp@coords[,2])
coordinates(predx) - ~lon+lat
proj4string(predx) - proj4string(kr3)
predx.wgs84 - spTransform(predx,CRS(+proj=longlat +datum=WGS84))
llSPix - as(llSGDF, SpatialPixelsDataFrame)
(st - system.time(llSPix$pred - idw(pred ~ 1,
loc=predx.wgs84,newdata = llSPix, nmax = 16)$var1.pred))
cat(stuff,i,\n)
f1 - paste(pred,i,a.png,sep=)
#Works fine
image(llSPix,pred,col=bpy.colors(),main=f1)
assign(file1,f1)
cat(filen,file1,\n)
png(filename = file1, width = GRD.wgs84$width,
height = GRD.wgs84$height,bg=transparent)
par(mar = c(0, 0, 0, 0), xaxs = i, yaxs = i)
image(llSPix, pred, col = bpy.colors())
dev.off()
kmlsetup(obj = GRD.wgs84, kmlfile =filename,
imagefile = file1, name =as.character(2000+i))
}
Has anyone run into this before, please?
Thanks,
Erin
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Hobart, Australia
e-mail: mdsum...@gmail.com
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Re: [R-sig-Geo] question about image function
When using png in a loop, especially one where the loop index is an
integer, I usually make use of the %02d in the file name, e.g.,
png(pred_%02d_a.png,...)
Clint BowmanINTERNET: cl...@ecy.wa.gov
Air Quality Modeler INTERNET: cl...@math.utah.edu
Department of Ecology VOICE: (360) 407-6815
PO Box 47600FAX:(360) 407-7534
Olympia, WA 98504-7600
USPS: PO Box 47600, Olympia, WA 98504-7600
Parcels:300 Desmond Drive, Lacey, WA 98503-1274
On Wed, 6 Mar 2013, Michael Sumner wrote:
I don't see filename defined, or any packages required. Is it the png files
that are a problem or the 'kmlsetup' output? (whatever that is)
See the animation package for extremely simplifed image frame creation btw
On Wednesday, March 6, 2013, Hodgess, Erin wrote:
Hello again!
I'm running into a problem with the image function within a loop. When I
put it to the screen, it works fine, but when I put it to a PNG file, the
picture doesn't change.
Here is the code:
for(i in 1:11) {
j1 - (i-1)*n2 + 1
j2 - i*n2
predx - data.frame(pred=kr3$var1.pred[j1:j2],lon=kr3@sp
@coords[,1],lat=kr3@sp@coords[,2])
coordinates(predx) - ~lon+lat
proj4string(predx) - proj4string(kr3)
predx.wgs84 - spTransform(predx,CRS(+proj=longlat +datum=WGS84))
llSPix - as(llSGDF, SpatialPixelsDataFrame)
(st - system.time(llSPix$pred - idw(pred ~ 1,
loc=predx.wgs84,newdata = llSPix, nmax = 16)$var1.pred))
cat(stuff,i,\n)
f1 - paste(pred,i,a.png,sep=)
#Works fine
image(llSPix,pred,col=bpy.colors(),main=f1)
assign(file1,f1)
cat(filen,file1,\n)
png(filename = file1, width = GRD.wgs84$width,
height = GRD.wgs84$height,bg=transparent)
par(mar = c(0, 0, 0, 0), xaxs = i, yaxs = i)
image(llSPix, pred, col = bpy.colors())
dev.off()
kmlsetup(obj = GRD.wgs84, kmlfile =filename,
imagefile = file1, name =as.character(2000+i))
}
Has anyone run into this before, please?
Thanks,
Erin
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Hobart, Australia
e-mail: mdsum...@gmail.com
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Re: [R-sig-Geo] question about image function
It's the png file. It seems to be writing the first data set over and over to
the various png files.
From: Michael Sumner [mdsum...@gmail.com]
Sent: Tuesday, March 05, 2013 2:41 PM
To: Hodgess, Erin
Cc: r-sig-geo@r-project.org
Subject: Re: [R-sig-Geo] question about image function
I don't see filename defined, or any packages required. Is it the png files
that are a problem or the 'kmlsetup' output? (whatever that is)
See the animation package for extremely simplifed image frame creation btw
On Wednesday, March 6, 2013, Hodgess, Erin wrote:
Hello again!
I'm running into a problem with the image function within a loop. When I put
it to the screen, it works fine, but when I put it to a PNG file, the picture
doesn't change.
Here is the code:
for(i in 1:11) {
j1 - (i-1)*n2 + 1
j2 - i*n2
predx -
data.frame(pred=kr3$var1.pred[j1:j2],lon=kr3@sp@coords[,1],lat=kr3@sp@coords[,2])
coordinates(predx) - ~lon+lat
proj4string(predx) - proj4string(kr3)
predx.wgs84 - spTransform(predx,CRS(+proj=longlat +datum=WGS84))
llSPix - as(llSGDF, SpatialPixelsDataFrame)
(st - system.time(llSPix$pred - idw(pred ~ 1,
loc=predx.wgs84,newdata = llSPix, nmax = 16)$var1.pred))
cat(stuff,i,\n)
f1 - paste(pred,i,a.png,sep=)
#Works fine
image(llSPix,pred,col=bpy.colors(),main=f1)
assign(file1,f1)
cat(filen,file1,\n)
png(filename = file1, width = GRD.wgs84$width,
height = GRD.wgs84$height,bg=transparent)
par(mar = c(0, 0, 0, 0), xaxs = i, yaxs = i)
image(llSPix, pred, col = bpy.colors())
dev.off()
kmlsetup(obj = GRD.wgs84, kmlfile =filename,
imagefile = file1, name =as.character(2000+i))
}
Has anyone run into this before, please?
Thanks,
Erin
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e-mail: mdsum...@gmail.commailto:mdsum...@gmail.com
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Re: [R-sig-Geo] question about image function
That was it...thanks so much!
From: Clint Bowman [cl...@ecy.wa.gov]
Sent: Tuesday, March 05, 2013 2:46 PM
To: Michael Sumner
Cc: Hodgess, Erin; r-sig-geo@r-project.org
Subject: Re: [R-sig-Geo] question about image function
When using png in a loop, especially one where the loop index is an
integer, I usually make use of the %02d in the file name, e.g.,
png(pred_%02d_a.png,...)
Clint BowmanINTERNET: cl...@ecy.wa.gov
Air Quality Modeler INTERNET: cl...@math.utah.edu
Department of Ecology VOICE: (360) 407-6815
PO Box 47600FAX:(360) 407-7534
Olympia, WA 98504-7600
USPS: PO Box 47600, Olympia, WA 98504-7600
Parcels:300 Desmond Drive, Lacey, WA 98503-1274
On Wed, 6 Mar 2013, Michael Sumner wrote:
I don't see filename defined, or any packages required. Is it the png files
that are a problem or the 'kmlsetup' output? (whatever that is)
See the animation package for extremely simplifed image frame creation btw
On Wednesday, March 6, 2013, Hodgess, Erin wrote:
Hello again!
I'm running into a problem with the image function within a loop. When I
put it to the screen, it works fine, but when I put it to a PNG file, the
picture doesn't change.
Here is the code:
for(i in 1:11) {
j1 - (i-1)*n2 + 1
j2 - i*n2
predx - data.frame(pred=kr3$var1.pred[j1:j2],lon=kr3@sp
@coords[,1],lat=kr3@sp@coords[,2])
coordinates(predx) - ~lon+lat
proj4string(predx) - proj4string(kr3)
predx.wgs84 - spTransform(predx,CRS(+proj=longlat +datum=WGS84))
llSPix - as(llSGDF, SpatialPixelsDataFrame)
(st - system.time(llSPix$pred - idw(pred ~ 1,
loc=predx.wgs84,newdata = llSPix, nmax = 16)$var1.pred))
cat(stuff,i,\n)
f1 - paste(pred,i,a.png,sep=)
#Works fine
image(llSPix,pred,col=bpy.colors(),main=f1)
assign(file1,f1)
cat(filen,file1,\n)
png(filename = file1, width = GRD.wgs84$width,
height = GRD.wgs84$height,bg=transparent)
par(mar = c(0, 0, 0, 0), xaxs = i, yaxs = i)
image(llSPix, pred, col = bpy.colors())
dev.off()
kmlsetup(obj = GRD.wgs84, kmlfile =filename,
imagefile = file1, name =as.character(2000+i))
}
Has anyone run into this before, please?
Thanks,
Erin
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[R-sig-Geo] writeOGR(GeoJSON) to string instead of file
Hi all,
This is a re-post from a few weeks ago.
I'm using writeOGR{rgdal} to a create GeoJSON temporary file then reading the
file and passing as a string in Java. It would be really nice to avoid writing
the temporary file, and have writeOGR return a GeoJSON string.
Is this possible?
My project requires passing spatial data from R to Java, and then storing data
as GeoJSON. I'm using RServe to interface between R and Java.
Thanks.
Philip Greenwood
Geospatial and Analytics eEnabler
Australian Urban Research Infrastructure Network (AURIN)
308 Doug McDonell Building, University of Melbourne
Tel: +61-(0)3-9035-8549
philip.greenw...@unimelb.edu.au
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[R-sig-Geo] ground overlays in KML
Hello again. I'm not sure if I should ask this here, but I thought it might be a place to start: I'm producing PNG files for ground overlays in Google Earth. After some help from you this afternoon, my png files are ready. However, the files do not run in sequence in Google Earth. It shows the last file only. Here is a little bit of the code: kml xmlns:xsd=http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd; xmlns:xmlns=http://www.opengis.net/kml/2.2/; version=1.0 Document Folder GroundOverlay name2001/name TimeSpanbegin 2001-01-01 /begin end 2001-12-31 /end/TimeSpan Iconhrefpreda_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlayGroundOverlay name2002/name TimeSpanbegin 2002-01-01 /begin end 2002-12-31 /end/TimeSpan Iconhrefpredb_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlayGroundOverlay name2003/name TimeSpanbegin 2003-01-01 /begin end 2003-12-31 /end/TimeSpan Iconhrefpredc_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlay /Folder /Document kml I'm also attaching the png files. Thanks for any help. attachment: preda_01.pngattachment: predb_01.pngattachment: predc_01.png___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
Re: [R-sig-Geo] ground overlays in KML
I imagine the final image is the last written. https://developers.google.com/kml/documentation/time explores various methods and additional tags employed for rendering sequences and controlling overlays. Hope it is in the right direction. Chris From: hodge...@uhd.edu To: r-sig-geo@r-project.org Date: Wed, 6 Mar 2013 02:07:11 + Subject: [R-sig-Geo] ground overlays in KML Hello again. I'm not sure if I should ask this here, but I thought it might be a place to start: I'm producing PNG files for ground overlays in Google Earth. After some help from you this afternoon, my png files are ready. However, the files do not run in sequence in Google Earth. It shows the last file only. Here is a little bit of the code: kml xmlns:xsd=http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd; xmlns:xmlns=http://www.opengis.net/kml/2.2/; version=1.0 Document Folder GroundOverlay name2001/name TimeSpanbegin 2001-01-01 /begin end 2001-12-31 /end/TimeSpan Iconhrefpreda_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlayGroundOverlay name2002/name TimeSpanbegin 2002-01-01 /begin end 2002-12-31 /end/TimeSpan Iconhrefpredb_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlayGroundOverlay name2003/name TimeSpanbegin 2003-01-01 /begin end 2003-12-31 /end/TimeSpan Iconhrefpredc_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlay /Folder /Document kml I'm also attaching the png files. Thanks for any help. ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
Re: [R-sig-Geo] ground overlays in KML
I had seen this today too...it doesn't seem to work either? Thanks though. Erin From: Chris English [sgl...@hotmail.com] Sent: Tuesday, March 05, 2013 9:11 PM To: Hodgess, Erin; Help R-Sig_Geo Subject: RE: [R-sig-Geo] ground overlays in KML I imagine the final image is the last written. https://developers.google.com/kml/documentation/time explores various methods and additional tags employed for rendering sequences and controlling overlays. Hope it is in the right direction. Chris From: hodge...@uhd.edu To: r-sig-geo@r-project.org Date: Wed, 6 Mar 2013 02:07:11 + Subject: [R-sig-Geo] ground overlays in KML Hello again. I'm not sure if I should ask this here, but I thought it might be a place to start: I'm producing PNG files for ground overlays in Google Earth. After some help from you this afternoon, my png files are ready. However, the files do not run in sequence in Google Earth. It shows the last file only. Here is a little bit of the code: kml xmlns:xsd=http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd; xmlns:xmlns=http://www.opengis.net/kml/2.2/; version=1.0 Document Folder GroundOverlay name2001/name TimeSpanbegin 2001-01-01 /begin end 2001-12-31 /end/TimeSpan Iconhrefpreda_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlayGroundOverlay name2002/name TimeSpanbegin 2002-01-01 /begin end 2002-12-31 /end/TimeSpan Iconhrefpredb_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlayGroundOverlay name2003/name TimeSpanbegin 2003-01-01 /begin end 2003-12-31 /end/TimeSpan Iconhrefpredc_01.png/hrefviewBoundScale0.75/viewBoundScale/Icon LatLonBoxnorth36.48445398908/northsouth25.9875545196567/southeast-93.5186130430667/eastwest-106.704257739431/west/LatLonBox /GroundOverlay /Folder /Document kml I'm also attaching the png files. Thanks for any help. ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
