Displaying 20 results from an estimated 900 matches similar to: "Reading a TIFF file"
2012 Oct 23
1
12-bit functionality in tiff package
Hi,
We have recently been using the tiff package for reading tiff images into the Bioconductor Package EBImage. This has been extremely helpful in conjunction with other steps to eliminate dependencies on ImageMagick.
However, it seems that 12-bit images are not supported. We were wondering if there are plans to extend the functionality of the readTIFF() function in the tiff package to
2010 May 03
1
ISO Eric Kort (rtiff)
I wanted to ask Eric a question or two about the rtiff package, but his
listed email address bounces w/ 550 error. Does anyone know how to
reach him, or whether he's actively maintaining rtiff?
If anyone's interested, my primary desire is for rtiff (or other tool)
to provide me with the raw range of pixel values in a tiff file. rtiff
dumps straight into a pixmap object, so the
2007 Jan 12
7
Making TIFF images with rtiff
Many medical journals and publishers require that images, whether
photographs or line art, be submitted as high resolution .TIFF images.
One option for R users is to produce an image in one format and to
convert it to a .TIFF file using a second software program. My
experience has been that this option often results in images of poorer
quality, often with blurry contours, and a loss of
2009 Sep 16
1
Can someone please explain why the last tick mark on this chart is not showing?
Hi all,
I'm trying to log chart but with natural looking tick marks. My
specifications are very specific -- it must indicate the lowest
number's tick as well as the maximum.
I've attached sample code and data for a particular case (and there
are a few more like this) where the bottom tickmarks on the chart are
not set to where I want them to be and yet they fit in the ylim range.
2008 Feb 18
2
fonts
Hello every body, i?m testing some w32 apps with wine and I found some problems.
Trying to install ArcGIS (My first installation), I had the following error: Need internet explorer 6.
Well I installed IE 6, and continue installing ArcGIS, it was installed succesfully, but it installed Phyton, and throw some problems.
Well finally installed I run ArcGIS and the fonts were crazy, I didnt see
2013 Mar 05
1
R-help Digest, Vol 121, Issue 5
On R 2.15.2 and ArcGIS 9.3.1, it works for me in ArcCatalog but you have to follow the particulars here:
http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Accessing_delimited_text_file_data
For example:
write.table(test, '***.tab', sep = '\t', row.names = F)
The extension .tab and sep = '\t' are required for text files. Didn't test row.names=T but I
2013 Mar 04
1
Mysterious issues with reading text files from R in ArcGIS and Excel
It seems within the last ~3 months Ive been having issues with writing text or csv files from a R data frame. The problem is multifold and it is hard to filter out what is going on and where the problem is. So, Im hoping someone else has come across this and may provide insight.
My current settings for R:
R version 2.15.2 (2012-10-26)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1]
2008 Apr 04
2
Reading an ArcGIS raster file
Dear members,
How can I read and plot an ArcGIS raster file into R ? The file has extension .aux and contains floating point bathymetry data. The purpose is to create a spatial model in R that uses ArcGIS map data. I have managed to read and plot various shape files into my R project, but I am stuck with this now. I am new to this list and also to R, so any help would be much appreciated.
Many
2012 Sep 02
1
why variations in accuracy between R to ARCGIS for the same point reprojection?
Hi everyone,
I wonder if anyone knows the reason why the outputs of the same
reprojection in r and arcgis are different?. The magnitude of the
change can be up to 40 km in the poles.
Basically, I have a database of points equally separated by one degree
over the globe.
In ARCGIS, I am projecting the data in GCS-WGS-1984 and then
reprojected it to Berhmann to ensure equal area
2011 Apr 11
4
nndist R vs. ArcGIS
Can anyone tell me why I would get different average nearest neighbor values
for the same set of coordinates between ArcGIS 10 and R? Sometimes the
difference in distance is over 1.3 km.
Alexis
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View this message in context: http://r.789695.n4.nabble.com/nndist-R-vs-ArcGIS-tp3442375p3442375.html
Sent from the R help mailing list archive at Nabble.com.
2003 Oct 10
1
R(D)-COM stat conenctor for ArcGIS
Hi everybody,
I heard about "R(D)-COM Stat connector" for ArcGIS, but i am not
sure what that is. I did a search in the archive but it seems i am
not getting anything back.
can anybody explain me what that is, and where i can find more
info about it? There is any possibility to run R from inside
ArcGIS?
there is more than RArcInfo and Shapefile which can
2011 Oct 26
1
Win7pro can't authenticate dcom identity
I have a Samba 3.4.7 PDC set up (Ubuntu 10.10/OpenLDAP) and have configured
a Windows 7 Pro 64 bit workstation as a domain member. Logins and shares
work without a hitch.
I'm running into a problem with ArcGIS 10 Server on Windows using domain
accounts for the services. ArcGIS post-install fails because it won't take
the username/password combination of the domain account. I initially
2009 Jun 15
1
display SVG, PNG, GIF, JPEG, TIFF, PPM in new plot frame
Dear R-help
I want to display an image file in a new plot frame.
SVG is my preferred format, but I can also consider
PNG, GIF, JPEG, TIFF, and PPM (from ImageMagick).
By way of background (although not material to this
posting), the image file is generated by a call to
'dot' (part of the 'Graphviz' suite) after the required
.dot file has been produced using hand-crafted R code.
2011 Jul 29
5
HIRHAM netcdf files
Can someone help me out with a "small" problem?
I've started using netcdf files recently, and I want to extract the grid id
and also the coordinates from a HIRHAM netcdf file.
I know how to extract a slice of dataset both in space and in time and I
also know the area that this file should cover, however I have no idea
regarding the reference for both LAT/LON and RLAT/RLON.
I tried
2008 Sep 12
2
Join data by minimum distance
I am wondering if there is a function which will do a join between 2 data.frames by minimum distance, as it is done in ArcGIS for example. For people who are not familiar with ArcGIS here it is an explanation:
Suppose you have a data.frame with x, y, coordinates called track, and a second data frame with different x, y coordinates and some other attributes called classif. The track data.frame has
2006 Nov 27
1
Help with response CIs for lme
Hi,
Can someone please offer a procedure for going from CIs produced by
intervals.lme() to fixed-effects response CIs.
Here's a simple example:
library(mlmRev)
library(nlme)
hsb.lme <- lme(mAch ~ minrty * sector, random = ~ 1 | cses, Hsb82)
(intervals(hsb.lme))
(hsb.new <- data.frame
minrty = rep(c('No', 'Yes'), 2),
sector = rep(c('Public',
2006 Nov 28
1
Slight discrepancy between predict.lm() and all.effects()
In the course of exploring response prediction, I stumbled upon a
small discrepancy between the CIs produced by predict.lm() and
all.effects()
require(mlmRev)
require(effects)
hsb.lm <- lm(mAch ~ minrty * sector, Hsb82)
hsb.new <- data.frame(
minrty = rep(c('No', 'Yes'), 2),
sector = rep(c('Public', 'Catholic'), each = 2))
hsb.eff <-
2012 Oct 17
1
Unable to install rtiff package
Hello all,
i am using Ubuntu 12.04 and I have R 2.14.1
When i try to install the rtiff package I got this error:
> install.packages("rtiff")
Installing package(s) into
?/home/lapalmejo/R/i686-pc-linux-gnu-library/2.14?
(as ?lib? is unspecified)
--- Please select a CRAN mirror for use in this session ---
Loading Tcl/Tk interface ... done
trying URL
2011 Nov 04
2
How to write a shapefile with projection
Hi,
?
I am trying to write a shapefile with projection. I have
my data in a data.frame called try and consists in xy coordinates and a
numerical attribute value z1.
?
Libraries loaded are: sp, rgdal, raster, maptools
?
head(try)
???????? x?????? ??? y??? ? ? ? ? ? ? ??? z1
1 610237.1 ???????? 3375751
???????????? 8.221
2 610236.1 ???????? 3375750
???????????? 8.153
3 610236.1 ????????
2013 Apr 12
1
produce a map in ARCGIS from a GAM output
Hi,
I am trying to predict the habitat suitability of lobster with GAMs. I need to produce a map in ArcGis of the predicted densities. I did some search and the function predict.gam seems to do the job.
Is this the right way to do it? when you apply the function you get the predicted values (different from your input data points) but I do not understand what is the procedure with the spatial