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I need a good quality rasterized world map, Winkel-Tripel projection, in which all countries have different (random?) colors. No borders, text, grid or anything else on the map. Is GIS the right way to go? I found a lot of map data on naturalearthdata.com. Can I create this map with QGIS? Do I...

On Tuesday, July 21, 2015, more than 300 GIS professionals came together in San Diego, California for the 5th annual GIS Managers’ Open Summit.* The GIS Managers’ Open Summit is an “unconference”-style event designed to help GIS managers, business and technology strategists, and other decision...

I need to print a map from ArcMap. I'm going to use a plotter and want to print it on a A0 format paper. But...the layout settings are totally driving me crazy!As you can see in the pictures below there are 3 boxes I can play with: "Printer Paper" (Which is the smallest solid one in the top...

Three of Lost Art Cartography's maps have been chosen by ESRI to be featured in its annual map book. أكثر...

Annapolis' Chesapeake Conservancy received a special achievement award during the 2015 Esri International User Conference. أكثر...

Esri maps visualize the impact of Hurricane Katrina. أكثر...

By Marcia Anderson Make sure tires on playgrounds have drainage holes to prevent rainwater from accumulating and causing a mosquito breeding problem. I have a vivid memory of visiting a childcare center on Staten Island, NY. When I approached a corner of the backyard, a swarm of mosquitoes...

This question is meant to be primarily on QGIS software but all other software solutions are welcome as far as it is possible to achieve it as easy as possible, preferably out of the box. Though the limitation is static map (to be printed) so no interactive web map solutions applicable here. Is...

I'm new to postGIS and am having trouble finding an answer to this question. I have loaded UK postcode data (OSGB36, SRID 27700 with eastings and northings fields) into a postGIS database. I now want to generate a geom column to store the point information. I can find some clear instructions on...

I would like to format numbers as percentages in cartodb. What are the best functions to display numbers with decimals, comma separators or percenteges? Thanks أكثر...

Bonjour, Je souhaiterais utiliser l'utilitaire csv2ArcGISStyle (https://github.com/williamscraigm/csv2ArcGISStyle) mais j'ai du mal à comprendre comment on peut l'exécuter. D'après ce que j'ai compris, les extensions .cs indique que cet utilitaire est codé en C# et/ou.NET et qu'il faut...

Bonjour à la communauté! Avant de faire une bêtise, je préférerais avoir l'avis des forumeurs pour l'installation de LizMap sur mon serveur du boulot. Je l'ai installé en local, ça fonctionne super! Cependant, maintenant, j'aimerais l'installer sur le serveur du taf, sous Windows Server...

Bonjour :) Voila je viens solliciter votre aide car je suis totalement bloqué, étant pris de cour par le temps, je me suis permise de poster un message ici après plusieurs recherche :) Je vous explique la situation : On m'a fournis une BDD (sous Postgres), contenant en autre des... أكثر...

Bonjour. Je voudrais savoir si il était possible sur QGIS de créer une sorte de script qui permettrait d'automatiser la création de colonnes dans les données attributaires des couches. En effet j'ai besoin de créer une dizaine de champs sur toutes mes couches, je voudrais éviter de le faire...

I have imported a shapefile into CartoDB (it is the only one I can get my hands on, since it's a small geographic region, non-US) - it includes shapes of all the municipalities in a federal state. It turns out though that the shapefile creates two seperate maps when imported into CartoDB...

I am trying to create a polyline from the points that I query from a polygon. I have a polygon, and I am getting its edges, casting them to segments, and then use QueryNormal to get the mid point for that edge. I get 2 different points from 2 edges, I want to create a curve from those 2...

I needed to properly comment some code I was just wondering if I had commented all of it correctly? I'm new to programming and was doing this for practice. #This function will assign the proper projection of the infile to the outfile.def projection_fix(infile, outfile, sr):#This code...

What is the default mosaic_method for MakeMosaicLayer_management (see help here)? Usually, the docs say This is the default after the default value. And that is usually first option listed. Is the default mosaic_method CLOSEST_TO_CENTER or something else? MakeMosaicLayer_management...

Following is an screen-shot where ASTER DEM raster layer has been overlaid by a road linestring vector layer. I want to extract those DEM pixels which are lying exactly beneath the linestrings. I want to assign the corresponding elevation values to each and every linestring. Which PostGIS...

How can I draw a polygon on PDF in python? I am using http://www.blog.pythonlibrary.org/2010/03/08/a-simple-step-by-step-reportlab-tutorial/ for making PDF file. Please help me. أكثر...