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I have the need to be able to set a value of a gdb table to the NEXTVAL of an Oracle sequence. I have to be able to do this through an ArcPy function that will also handle setting the ArcPy OBJECTID in the table (such as InsertCursor will automatically increment that field). I have tried the...

I am creating my own routable network using pgRouting. I would like my shortest path queries to prefer a route made up of the same attribute. For example, in the image below (please excuse my terrible drawing), I don't necessarily care if the best route is made up of either A or B as long as...

A friend and I have been building, for the first time, a webgis that enables queries and visualizations of data. Our work looks a bit like this: http://www.communityindicators.net.au/files/SingleMap/atlas.html We used PostgreSQL, Leaflet library, and PHP Zend Framework. These may be different...

I have the problem with low quality raster. Now it looks like this: I would like to change this to looks like this: Im using ArcGIS, ArcScan. After some work with photoshop and reclassify with ArcGIS i get sth like that. And after Arcscan i get: I dont really know if im using arcscan...

I am getting myself acquainted with Esri GIS Tools for Hadoop. Working with Hive. One of my tables, A, has user lat-lons. Another, B, has landmarks and their lat-lons. How do I join two tables so that I get all landmarks names and their locations from B within a given distance (radius) from...

I have followed this well-known sequence to use the Geoserver printing module: cd /var/lib/tomcat7/webappssudo wget http://ares.boundlessgeo.com/geoserver/2.6.x/geoserver-2.6.x-latest-war.zipsudo unzip geoserver-2.6.x-latest-war.zip geoserver.warcd...

I've downloaded a tile of a freely accessible LiDAR DEM of the UK from http://environment.data.gov.uk/ds/survey#/download. But I don't know how to open it. The files inside have the *.asc extension.I can see that this extension is not among those supported by Gdal. And, neither Sentinel...

I have created a script tool for ArcMap 10.3.1 that will move a legend around a data frame so as not to obscure a specified map layer when using data driven pages. However, I'm encountering an interesting problem when attempting to align the legend to the right edge of the data frame. Here is...

Here is my situation. I am running ESRI ArcGIS Server and Desktop 10.2 on SQL Server 2008 R2. I would like to populate the Latitude and Longitude fields from point data (Signs data collected using ESRI Collector App) when saving. I have guessed as using a SQL server trigger on the table, but to...

Apologies for the potential simplicity of this problem but I just cant find a solution! I need to create a series of points along a line at a specific interval. I am using ArcMap 10.2.1 and the obvious tool appears to be Construct Points. I have tried to follow the instruction steps given on...

I m very new to ol3.I have a osm map on which i display a geojson file (point).I'd like to create a popup on click for each point to show attributes. I cant find a sort of very basic step by step tuto to do that, even on openlayers-3 examples.Does anyone have some useful links ?thx a lot...

This question already has an answer here: How do you get all the results from a Selection made by Attribute or Location using ArcPy? 2 answers In a sentence, how do you test in Arcpy whether a feature...

  QGIS 2.12 ‘Lyon’ is out with many new features about analysis tools, application and project options, browser, data providers, data management, digitising, labelling, map composer, QGIS server, symbology and many other categories. Have a look at the new features by visiting the official QGIS...

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A new version of the free GIS mapping system QGIS 2.12 Lyon has recently been released,*and focuses on customization based on user preferences and improvements for more efficient workflows.*This system provides the unique opportunity to individuals and business to obtain GIS capability without...

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