[R-sig-Geo] Attempt to set index in SET_STRING_ELT

for a four-county region in the (SanFran) Bay Area. I have previously successfully downloaded the OSM road network for a larger extent of the same geography (albeit directly rather than using the osmdata package). Dr. Jochen Albrecht, GISP (he/him/his) Professor for Computational and Theoretical

[OSGeoLive] OSGeoLive cloud service providers

would cost me $1,300 per month for 25 VMs - something that I cannot afford. Cheers, Jochen Dr. Jochen Albrecht, GISP (he/him/his) Professor for Computational and Theoretical Geography and Graduate Adviser (Personal NAVIGATE Availability Link <https://hunter-cuny.campus.eab.com/p

Re: [OSGeoLive] Asking projects to add a docker section in their quickstarts?

actually teaching GIS. A template or recipe book on how to set up OSGeoLive on hosting platforms such as AWS, Azure, Google Cloud, or Alibaba Cloud, and possibly finding sponsors to fund such setups would help tremendously in the wider use of OSGeoLive. Cheers, Jochen Dr. Jochen Albrecht, GISP

[OSGeoLive] OSGeo-live flash drive not detected on various platforms

Let me start with the positive news: I distributed a 32 GB flash drive to my 20 students and a good number of them could happily boot from the NTFS-formatted flash drive and proceed. It all works well on the eight-years old Dell computers in our labs. But I have not succeeded to help any of my

[OSGeoLive] Booting from Osgeo-live flashdrive on a Mac

As part of my Advanced GIS course, I provided every student with a 32 GB OSGeo-live flashdrive, formatted with NTFS on two partitions. They both fine on a variety of Windows computers (as well as my Pop OS Linux laptop) but they are not recognized on my students' Macs. I don't have a Mac and no

Re: [OSGeo-Discuss] Improving usability of INSPIRE data in FOSS4G client applications

This is extremely useful! Thank you, Marco. Dr. Jochen Albrecht, GISP Professor for Computational and Theoretical Geography Department of Geography and Environmental Science Hunter College, City University of New York 695 Park Avenue - HN 1030 New York, NY 10065 On Thu, Dec 12, 2019 at 11:09 AM

[OSGeo-Discuss] GIS accessibility for visually impaired students

ind anything for OSGeo software. Any suggestions, advice, or comments will be welcomed. Cheers, Jochen Dr. Jochen Albrecht, GISP Professor for Computational and Theoretical Geography Department of Geography and Environmental Science Hunter College, City University of New York 695 Park Avenue -

[Qgis-user] Failed to import OSM data: XML error: Storing node 1, 920, 141, 933 failed.

I am trying to import a full version (700 GBytes) of OSM into SpatiaLIteand everything is going smoorthly - until it doesn't. Is there a way to run this import in a more transparent fashion, so that I can see what the error is? I was surprised that as the import kept chugging along, no disk space

[Bug 1529686] [NEW] Trying to upgrade from 15.04 to 15.10 the upgrade aborts in the middle of fetching packages

Public bug reported: Upgrading to version 15.10 Setting new software channels Could not calculate upgrade I am running a regular version of 15.04 and unchecked unofficial (GIS) software packages ProblemType: Bug DistroRelease: Ubuntu 15.04 Package:

[Qgis-user] qgis_app.dll is missing (QGIS 2.12)

I am getting an odd error on my 64-bit Win 8 machine trying to run QGIS 2.12. Nothing happens when I try to run is as a regular user. When I run it with administration privileges I get a Windows error "*The program can't start because qgis_app.dll is missing from your computer*". It is indeed

[Qgis-community-team] qgis_app.dll is missing (QGIS 2.12)

I am getting an odd error on my 64-bit Win 8 machine trying to run QGIS 2.12. Nothing happens when I try to run is as a regular user. when I run it with administration privileges I get a Windows error "*The program can't start because qgis_app.dll is missing from your computer*". It is indeed

[R-sig-Geo] source of Bivand reference to 1986 Medicaid data

A student of mine, who not only carefully read Roger's chapter in Fischer & Getis (2009) *Handbook of Applied Spatial Data Analysis* but then also wanted to explore the code snippets, pointed out to me that a data set referenced in that chapter does not seem to have a web presence. Does anyone on

Re: [R-sig-Geo] Question about derivative work - what is the license for map derived using e.g. spatial predict function?

the claimant's effort would not be worth it. Cheers, Jochen Dr. Jochen Albrecht Computational and Theoretical Geography HN 1030 Hunter College CUNY 695 Park Avenue New York, NY 10065 On Thu, Nov 27, 2014 at 4:50 PM, Tomislav Hengl he...@spatial-analyst.net wrote: Hi Barry, Thanks

[postgis-users] Replicating ArcGIS relationship classes in PostGIS

I am working on behalf of a small non-profit that has so far used ArcGIS but is interested in moving open source. What kept them from making the move so far is that they are heavy users of relationship classes. The only discussion (inconclusive) that I could find was initiated by Lee Hachadoorian

[R-sig-Geo] (no subject)

[[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] error messages after applying expand() method of raster package

Hi: I am trying to synchronize the extents of a bunch of raster data sets (originally .tif) I am working with but run into problems with the expand() function. The function itself seems to work. str() and ncell() tell me that everything is fine. But when I try to save or plot the result, I get

Re: [R-sig-Geo] error messages after applying expand() method of raster package

) Error in .local(.Object, ...) : Unable to create dataset is related to your (lack of) permissions to write to your working directory or something or other like that. Robert On Thu, Jun 14, 2012 at 3:49 PM, Jochen Albrecht jochen.albre...@gmail.com wrote: Hi: I am trying

Re: [postgis-users] High Concurrency R* in GiST?

Have a look at http://www.cs.purdue.edu/spgist, Carlos. It was written for a dated version of PostgreSQL but you given your background, it may be less work that building something from scratch. It is a fairly low-level implementation of Samet's 2006 bible and hence allows to derive R* trees

[R-sig-Geo] time slot in space-time sparse data frame (spacetime package)

Hi: 1. I am working with the spacetime package and have successfully ingested a dataset into its *irregular* space-time data frame using coordinates for space, an xts object for time and auxiliary data for the attribute data. Next I tried to create a sparse space-time data frame (i.e. a grid)

Re: [postgis-users] MakeLine for geography coordinates

various listservs as well as Obe/Hsu's PostGIS in Action but could not find an answer to my problem. Cheers, Jochen On Mon, Apr 4, 2011 at 8:32 AM, Sandro Santilli s...@keybit.net wrote: On Mon, Apr 04, 2011 at 08:28:25AM -0400, Jochen Albrecht wrote: Could you please just edit

[postgis-users] MakeLine for geography coordinates

for geography is yet rather limited. Am I too early in my attempt to use PostGIS, i.e., should I switch to other packages or can you think of work-arounds for my tasks laid out above? Cheers, Jochen Jochen Albrecht Hunter College, CUNY ___ postgis-users

[R-sig-Geo] raster values disappear in polygonsToRaster

This is an odd one. I have used polygonsToRaster repeatedly and successfully. But this evening I am stumped by the fact that the raster values are properly reported as part of the function output but seem not to make it into the raster object. What went wrong here? Cheers, Jochen

[R-sig-Geo] Moving origin of a raster dataset

I have a global raster dataset that has its origin at the Greenwich meridian and counts from here 360 degrees around the dateline to arrive back at Greenwich. All my other datasets have their origin at the dateline and count from -180 degrees to plus 180 degrees. I am at a loss how to line

Re: [R-sig-Geo] Moving origin of a raster dataset

understand your problem, rotate was made to do just what you want. M On 10/7/2010 9:15 AM, Jochen Albrecht wrote: Do you Robert, or anybody else have any ideas how to get all datasets to fit within one 360 degree-wide range? I don't care whether this is from -180 to +180, or from 0 to 360

[R] allocating vector memory 1 GByte on Windows XP / Vista / 7

Let me begin stating that I read all help files and faq's on the subject matter (there aren't more than about a dozen) but either did not find solutions or found them not to work. Here is the issue. I am trying to run a spatial regression on a medium-sized dataset. Part of the functions in the

[R-sig-Geo] spdep neighbor generation and subsequent regression analysis

Hello: On first sight, this is about read.gal[2,3] and read.gwt2nb, but in the long run, it is about strategies for working with very large datasets. Here is the background. With Robert Hijmans' support, we generated a comprehensive database of world-wide green house gas emissions (GHGs) and a

[R-sig-Geo] where to tweak memory allocation settings

Fellow spatial statisticians: I am trying to align a bunch of world-wide datasets at 0.1 degree resolution. I figured that the easiest way to do that is to create a dataset where the rownames form the index that allows to relate all my variable-sized point datasets to. I therefore created a