نتائج البحث

A trailer featuring various Earth observation images put together for the ‘My planet from Space’ exhibit in the Paris Science Museum at the Palais de la Découverte. The beauty and fragility of our planet is celebrated through stunning clips and satellite images that touch on the topics of water...

Bonjour à tous, J'aimerais utiliser Pyscripter pour bosser sur mon code Python dans le cadre de développement de plugin pour QGIS : Mon souci est que je n'arrive pas à importer le module PyQt4, malgré mes essais : - modifier le script python_init.py avec import PyQt4 (Menu Outils) - dans...

En un grafiti en un muro cerca del canal de Mart أكثر...

The December 2015 Living Atlas Community Webinar is now available! In this webinar, Let us show you HOW, Courtney Claessens explained how you can answer*growing open data demands by sharing your data with the public to enable them to access, explore, and use your data to solve real world...

I'm working with the arcgis javascript API on a webmap. I have a feature layer on some server which I'm consuming in my webmap and now I want to get the different symbols/icons of that layer one by one in order to display it in a text next to the map (but NOT using the legend widget).Is that...

When I connect oracle layer are not enabled me all editing options. I can create and delete but not update. It is an issue of users? permissions or privileges? metadata? All works OK in AutoCADMap3D with the same credentials. I'm working on Oracle Spatial 11g and QGIS 2.12 أكثر...

I am using Arcmap 10.1 and am trying to create a legened that will display a polygon layer as a single line. أكثر...

In QGIS 2.0.1, is there a way to automatically slice up one shape file and export it as multiple files using polygons defined in another shape file? I have a detailed shape file that categorizes the land ownership of the entire state of Arizona. (It's called "az_surf_mgmt" on this page.) As a...

By Melissa McCullough I’ve been in the environmental protection business for a long time, and I’ve watched great progress, however slowly. Cleaner air and water. Action on the ozone hole. Acid Rain. International attention to persistent bioaccumulators. But we all know how much is left to do...

Creating and Using Authoritative Geographic Data ArcGIS Online is rapidly emerging as the platform of choice for the creation and dissemination of authoritative geographic data content. This post explains how this unique data ecosystem works, how to access that data, and how to contribute your...

I've got the following (2D!) situation of overlapping polygons: I would like to have the polygon border dissolved such that I have only one polygon left. I thought this was a definitive case for the dissolve tool, but somehow the result is bizarre: What did I do wrong? I haven't chosen the...

here is my first question in this forum:On the python console in QGIS what ist the difference between the following two code snippets (activeLayer is a polygon layer): 1) iface.activeLayer().selectedFeatures()[0].geometry().type()>>> 32) f =...

I need to merge multiple kml files into a single one.I found that I could use "ogr2ogr -append" but I have to do it through c++ and my Google-fu hasn't been successful so far.So, any ideas? Also, I would appreciate any advice on adding new fields(and manually values in that field) in a kml file...

Opening plugins for the first time on QGIS 2.12.0 Lyon there is a window popping up saying "fetching repositories". You can't do anything until it's finished. It then takes it ages to fetch. Any solutions? (I'm using windows 7) أكثر...

Here's an interesting scenario I came upon yesterday and I wanted to throw it out as a question to try help me visualize what is happening. I have a single point (a person, say) who is looking for the nearest transit station. The person's location is in Lat/Long and the transit station is a...

I am trying to figure out where a geometry is residing in respect to another geometry. My Image explains things better, I have Square nodes A, and B. and I have circle Child nodes X, and Y. I have all the nodes available. Is there a way to find where the node is residing in respect to its parent...

I have a list of addresses in one layer and a polygon layer of census block groups for the local town, all stored in postgis. I have a nice display right now that labels each polygon with a count of houses within that block group by creating a postgis view along the lines of: create view...

I am attempting to write a python script that will reproject & merge a series of .tif files then clip them to the boundaries of a .shp file. I have successfully used the subprocess module to do step 1, but am not sure how to use subprocess to run another second operation. Below is an example of...

I am having a problem with the clip and the intersect tool on QGIS Valmiera. I have a large vector map of sublocations of a country and am trying to clip them to a district level since I do not need the data for the entire country. I have save both to the project CRS, and have done this multiple...

I am beginner and wanna know how to check whether I have done Georeferencing. anyways I can't see grid though it's activated on "table of content". help please أكثر...