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I'm learning about PostGIS, and I would like to create a SQL to cut a raster with a shapefile to work in my R program. I managed creating a new table, but I would like build it without a new table. I'm executing this code to create table (its working): SELECT...

I noticed a strange behavior in layers created with DB manager. Tested it in QGIS 2.6.1 and QGIS 2.12.0 In QGIS 2.6.1. When i create a layer based on a sql query with the setting "Avoid selecting by feature id" turned off, i cannot start editing session on this new layer. The "start editing"...

My organization is considering hiring a company to capture new LiDAR data to help with current storm water issues that we are currently experiencing. I am a GIS analyst that has been assigned with this task. Our current quote is for roughly 70 square km and the project deliverables will...

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I Created Model which use for input file to create raster and i want to store the data in sde, my model working well if it is arcMap but after publishing the model and when same tool improt from arcgis server it showing excution error. أكثر...

I am trying to run a Tabular Intersection on ArcGIS 10.2.2 between a 1000m buffer and a forest layer to establish the percentage cover and total area of trees within the buffer areas. Everytime I run them though it will run for a couple of hours and then complete with the error message "WARNING...

Can anyone suggest methods in filtering out trees and buildings from a DSM so as to come up with a reliable DEM? What I have is a grid from a LIDAR data (.tif file, with 1m resolution). I was going to clean out the unnecessary items so I presume that I can solicit suggestions from here...

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Re: Given path is not supported This is the contents of the egp file: buttonface Divisions.shp C:\Projects\EasyGIS\EasyGIS\Maps\Divisions ... أكثر...

Good day my dear friends.I want to create png file from lealfet map.I use html2canvas library, and leaflet map tiles and other elemets converts to png greatfully, but not svg-elements(offsets). I know, that there is some code to redraw all svg elements to canvas( var canvas = L.canvas();var map...

i'd like to extract values from a rasterstack, cell by cell, and create a list of the values: ext

I am attempting to obtain the rainfall erosivity "R" factor for the RUSLE Soil Loss equation using rainfall PRISM 30 year history data. I have both monthly and annual data that comes into ArcMap as rasters, so in total I have 13 raster images in Arc Map. In the images below, I have placed the 12...

Bonjour Pour faire connaître ce petit projet de visualisation et de cartographie que j'ai réalisé pour soutenir une cause un peu militante, celle d'une association de défense du paysage ( Paysages de France (http://paysagesdefrance.org/) ) : ةvaluation et visualisation d'un projet...

We have produced two versions of our Santa Tracker. Santa is expected to take off on December 24th at 10am UTC. If you are not sure what time that is in your time zone you can use Google’s count down clock instead. Google Earth API based Santa Traker Google Earth Santa Tracker     We […] The...

I am having trouble with what seems like a simple task, so I need some help. I imported a csv file and converted it to gdb format, and now I want to export it back to csv. The file will be the exact same as before I imported it, except I want to keep the Arc Map generated OID. However, when I...

Bonjour, Je cherche à ajouter automatiquement la date de création dans une composition. comme indiqué dans la doc, j'ajoute une étiquette et saisi dans les propriétés principales, la fonction "[%month( $now ) || ' ' || year( $now )%] pour voir apparaitre (Affiché en HTML coché) comme résultat...

After switching to ArcMap 10.2 I've noticed that my definiton queries will seemingly randomly remove themselves. I have no idea what triggers the deletion since I have noticed it after reordering items in the TOC, turning layers on or off, adding new layers, changing the symbology, even after...

Maintenance and management of solid waste disposal sites includes various tasks such as landfill inspection, reporting, planning and monitoring. Recent advancements in contemporary mapping technology enabled easier management of these activities, as we can see in various landfill management...

I'm just beginning to learn how to use SAGA 2.1.2 tools within QGIS 2.12.1 on a Windows 7 64 bit computer by working through exercises in Mastering QGIS by Menke et al. (https://www.packtpub.com/application-development/mastering-qgis). Chapter 7 introduces the SAGA raster calculator and "Clip...

I work with several MXD'S and i try to update a group layer named "allHa" containing several layers with this code: import arcpy,os,sys,stringimport arcpy.mappingfrom arcpy import envenv.workspace = r"D:\PROJECTS\road_20\gis"sourceLayer =...