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This is not so much a direct question as it is a request for any information or experiences others may have had with issues similar to this and how they went about mitigating them. A little history: We are the EGIS group for a rather large city and using ARCSDE and ARCDESKTOP v 10.3 in a...

I'm new to GIS and tile servers. I've installed TinyOWS pretty successfully except for what looks like to be some dependency issues. I have installed PostGIS and als PostgreSQL. PostGIS is supposed to come with raster and topology support, so I assume it is already installed but not enabled...

Congratulations to Heather Moncrief on being named GIS Online Student Spotlight for her outstanding work in Applications in GIS (GIS 5100). Welcome to the spotlight Heather! Heather is a graduate student in the Biology Department here at UWF and will earn her MS in Biology at the end of...

Hi, I'm trying to use GetClosestShape but can't find a full explanation of every parameter. What I need is to find if the endpoint of a road is close to another road (let's say less than 5 meters) and get the closest road and segment. How can it be don... أكثر...

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I'm having trouble with the Alter Field Data Management tool -- it will not allow me to create a field name longer than 31 characters. The table I'm using is a File Geodatabase table, where the character limit on field names is 64 characters. When importing and creating tables, I'm allowed to...

Using the network analyst tool in Arcmap 10.2, I want to link service area polygons to the original point data that inspired them. So I have data on the locations of several thousand retail sites and UK road network data (Meridan 2). I want to count the number of retail sites that are available...

Does anyone know a nice and easy way to recenter a tiled raster table in PostGIS? By recentering I mean that I have a raster that is centered on the Pacific, but I need to recenter it on Greenwhich/Europe. In a sense the effect would be to offset pixels while "rolling" pixels that fall off the...

This In The Scan blog will continue under the Lidar News brand under my ownership. Continue reading → Click Title to Continue Reading... أكثر...

For millions of homework- and test-weary youth in the USA, “June” is a magic word. It conjures the end of the school year and the start of sublime summer vacation. June is the month that students—laggards and high achievers alike—anticipate with glee. Not to mention teachers. For non-teaching...

I'm pretty new in the python world, and I'm working with the python console inside QGIS (Master version on a Debian machine). I have written some scripts, all of them are in the same directory (e.g. $HOME/works/scripts). So I have the following: my_script.py (the algorithm itself. It works if...

I have a very simple map (http://www.nyc.gov/html/dcp/download/bytes/nybb_15b.zip) and I have never before worked with shapefiles in any way. Can someone tell me what I need to do in order to change each borough's colour and to remove the outline? (Usually I use Python.) The map below was made...

Using Python, I want to join one point feature (centroid node) to the closest 4 links (polylines), but spreading the search in the 4 directions around my point, so that I have: 1 centroid-link connector North-East, 1 centroid-link connector North-West, 1 centroid-link connector South-West, 1...

pgrouting php problem "pg_fetch_result(): Unable to jump to row 0 on PostgreSQL resul I'm trying to build a simple routing web-app using pgrouting, followed some tutorial and the latest workshop. Because I'm using PostgreSQL 9.3(x64), Postgis 2.1.1, and pgrouting 2.0 so I did some modification...

The*GI_Forum 2015*offers a platform for dialogue among geospatial minds in an ongoing effort to support the creation of an informed GIS Society. Bearing in mind different perspectives from a variety of professions, presentations, workshops and exhibitions will concentrate on innovations in...

Salut à tous, je souhaite afficher sur ma carte des niveaux de couleurs qui changent en fonction de l'importance de la surface de l أكثر...

I have a map with elevation grid format, some elevation data are missing from the measurements, I don't know how to fill these data points, I don't... أكثر...

is there a way to add custom elements (checkboxes, or more ...) or change some elements properties (colours ?) in the genuine layer tree view of QGIS using PyQgis ?How should i do that ?Thanks ! أكثر...

On the http://spatialreference.org, for almost all SRS are definied WGS84 Bounds and Projected Bounds. How to obtain this bounds from postgis? Spatial_ref_sys does not contains this information. أكثر...

rm(list=ls(all=TRUE))#mean of the training samples have to be generated before starting the process.require(rgdal)require(mvtnorm)require(rgl)StartPath