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I created a mosaic dataset in ArcMap 10.2 from tiles of ASTER DEM's at 30m resolution. I am attaching the image of what my export looks like. You can see that there are extremely large, alternating pixels. These are apparent upon export to a pdf of tiff and also when you zoom way-in in data view...

Michele GeoMattix shows you a quick method to create a polygon that defines your GIS study area in ArcMap. أكثر...

Watch a free online seminar on September 17 to learn how to use this curated collection of rich, authoritative content to add context, gain insight, and enhance your ArcGIS maps and apps. أكثر...

Collector for ArcGIS on Windows 10 is available in Beta! We are excited to announce that Collector for ArcGIS on the Windows 10 platform is now available in Beta. Since January 2013 organizations have been using Collector on the iOS and Android platforms to gather and update data in the field...

I'm running a geonetwork 3.0.1 instance on tomcat7. Regularly, i.e. every few actions of my only user, my tomcat runs into a PermGenSpace error. This especially occurs during harvesting of other catalogues. I already configured geonetwork to use Postgres (postgres.xml). Then I adapted...

I´m trying to use a variable as part of the output path of a shutil command.Unfortunately I couldn´t work it out how to do it. Can anybody help? import arcpyimport shutilName = arcpy.GetParameterAsText(0)shutil.copyfile("C:\\test.txt", "C:\\%Name%.txt")This question here is similar, but was...

This question already has an answer here: Adding arbitrary code to ArcGIS ModelBuilder? 3 answers Does anyone know how/if you can use in-line variable substitution for an input path name in...

Although the Wikipedia includes a multitude of fine maps, its cartographic archive is by no means uniformly excellent. Perhaps the worst Wikipedia map that I have encountered, posted to the left, depicts Argentinian provinces in accordance with their HDI (Human Development Index*) rankings. As...

A typical output from geotiflib mey look like this: Geotiff_Information: Version: 1 Key_Revision: 1.0 Tagged_Information: ModelTiepointTag (2,3): 0 0 0 1547250 5415950 0 ModelPixelScaleTag (1,3): 100...

I have a postgis layer (layer.sql), which I am trying to add to my database (mydatabase). The postgis layer is stored on S3 (https://s3.us.../layer.sql). I can add the layer to my database when it is stored on my local machine using psql mydatabase < ~/layer.sql but I'm failing to add the layer...

Bonjour à Tous. J'ai vraiment besoin d'aide. je dispose de ARCGIS 10.2.2 . j'ai traité des images de MODIS d'années différentes. j'ai converti chaque image en polygone après traitement. Maintenant je veux superposer ces deux shape pour voir réellement l'évolution de la dégradation. Merci et...

Environment Agency Lidar Opendata Released Formats/Resolutions available:LIDAR Composite Digital Surface Model at 1m spatial resolution LIDAR Composite Digital... Map and GIS News finding blog. With so many Maps and GIS sites online now it is hard to find the good from the not so good. This...

I'm writing a short script that iterates over a list of feature classes and sets values for a specific field ("Contour_Type"), based on the values in two other fields ("Type" and "Depression"). It seems my script does not pass the 'with arcpy.UpdateCursor(i) as cursor' line. I've searched for an...

I am currently entering my second year in my Masters of Urban Planning. I am 50/50 on whether to go for Ph.D or not. If not, I will do consulting. But the Ph.D is at the back of my mind (nagging more so). I have thought about in 10 years opening my own firm but I do not mind teaching or being a...

I am trying to create or utilize a lookup table to identify which Massachusetts Municipality my address is in. Do you know of an online resource available, or a way to identify the municiaplity uses FIPS codes? I currently only have the following fileds. Address, City, State, Zip, MSA 5 digit...

I have a custom CartoDB map that uses data I have uploaded and styled. The map works perfectly and I would like to use it as a basemap in a different application. Is there any way to use this map as a tile service? I realize that I could use CartoDB.js in the external application but I do not...

In another related development, the number of satellites for commercial and government applications is set to grow more than the market value of the business over the next decade. A research by Euroconsult says an average of 140 satellites with a launch mass over 50 kg are expected to be...

PLOS One, Published online 26 August 2015 By Kevin J. Rich, Michael Ridealgh, Sarah E. West, Steve Cinderby, and Mike Ashmore “There is increasing recognition of the importance for local biodiversity of post-mining sites, many of which lie near communities that have suffered significant social...

I've already managed to select feature by ID in a layer and zoom to it using pyqgis. The canvas considered this changes but the map that I exported as PDF doesn't consider this changes. This is my code. expr = QgsExpression("\"ID_PARCELL\"=1440") it = vlayer.getFeatures(QgsFeatureRequest(expr))...

I have two layers: first layer includes polygons of districts, second layer containts points (phytocoenological relevées). The goal is to create a new layer that will contain max 3 randomly selected phytocoenological relevées belonging to one district area (now, particular district contain...