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I want to map layer selection as the example of cartodb (http://cartodb.github.io/cartodb.js/examples/layer_selector.html), the difference is that I want to choose a date in the layer selector and it work as a filter and show me one other column data. Anyone have a solution that can help me soon...

Is it possible to include birds eye imagery in ArcMap?I need to add other layers too to this basemap (birds eye)Thanks أكثر...

This could possibly include meteorological data/precipitation data aggrigated on the district level and power line/ electric transmission infrastructure locations أكثر...

Is there a way to select polygons by geometry? I need to find a way to detect all the polygons that have a right angle, but I can't find a tool that can do that. I'm using QGIS 2.10.1 and ArcGIS for desktop 10.3.I'm open to any other free software. أكثر...

I'm a casual user of Qgis for my job. This latest project has taken me to unfamiliar waters and I need advice on last remaining steps to get me to my goal. My goal is to have a choropleth map of the lower 48 states of America with another layer of cities. Using data from the attribute tables...

boundaryStyleMap: ( -> styleMap = new OpenLayers.StyleMap 'default': @get('activeStyle') 'select': @get('editStyle') 'temporary': @get('editStyle') 'vertex': @get('vertexStyle') styleMap ).property('activeStyle') boundaryLayer: ( -> new OpenLayers.Layer.Vector...

by Jennie Saxe A few key elements of a basic emergency supply kit One of my favorite movie quotes of all time is from the character Edna Mode in the animated movie The Incredibles: “Luck favors the prepared.” Why do I like this quote? It’s simple: luck isn’t necessarily the answer...

This week, Pope Francis made an historic visit to Washington, DC, where he met with President Obama, addressed Congress, and lead a public rally to support moral action on climate justice. This summer, the Pope issued a landmark encyclical emphasizingour moral obligation to act on climate...

السلام عليكم ورحمة الله وبركاته إذا كانت المساحة ثابتة لا تتغير فإن السكان والحجاج هم فى زيادة دائمة واعدادهم فى كل عام فى تطور ، ولا يمكن لمساحة... أكثر...

I am looking to eliminate small slivers in a shapefile dataset using postgres SQL. What would work to dissolve features < 0.1 hectares into the neighbour with the longest shared boundary (1) or the neighbour with the largest area (2)? Basically I want to do what the eliminate function can do...

I have : 12 lines feature classes (lineFC) A polygon feature class (grid) Another polygon feature class with much bigger polygons (gridDivision) The process: Select one lines FC from a list Select one gridDivision Select all polygons in grid inside gridDivision Select...

I'm looking for help tweaking the python code discussed here: Attribute Table Subtract Value From Previous Value I'm having trouble figuring out how to adjust it for a date field in which I want to subtract a time by the previous time to get gaps. Here is what I have so far and the error...

I am creating a geoJSON layer, with pointToLayer returning circleMarkers. In that layer's oneachfeature, I am triggering a style change on hover, and this works fine. However, I cannot reset the style on mouseout. It all works with lines and polygons, but not with points created as circleMarkers...

Qgis-processing advises that output layers are specified with syntax such as ##foo=output vector The manual advises against manually loading output layers (in your script code) as QGIS will do this automatically based on the above code. What if the number of output layers is not known...

A decade ago we hosted our first panel on New Media in Geography at the AAG. I would like to revisit the topic this year in another panel that expands to include all of the ways that we informally publish/share information on the internet. There are many directions that the conversation could...

PLOS One, Published Online 26 August 2015 By Jonathan Aguilar, Greta G. Gramig, John R. Hendrickson, David W. Archer, Frank Forcella, and Mark A. Liebig “Anecdotal accounts regarding reduced US cropping system diversity have raised concerns about negative impacts of increasingly homogeneous...

By Melissa Dimas NYC residents affected by Superstorm Sandy call for action at last year’s People’s Climate March. It is climate week in the U.S. and here in New York City, we are coming up on the first anniversary of the People’s Climate March. Along with 400,000 other concerned citizens...

I would like to create my own provider with the processing toolbox. I see the example provider in my folder C:\QgisWien\bin...\algs\ExampleProvider. It seems to be a good start but unfortunately, I doesn't see the example provider in the processing toolbox. I see this post : Is there a way to...

How do i change the map interface in arcgis online and portal? I have been trying to find a clear answer online for about a week and I have yet to find anything helpful from ESRI or any forum. Basically I wanna go from this kind of interfance To this I dont have a lot of experience with...

I have polygons from coordinates in (python shapely) that looks like this POLYGON ((24.8085317 46.8512821, 24.7986952 46.8574619, 24.8088238 46.8664741, 24.8155239 46.8576335, 24.8085317 46.8512821))I would like to calculate the area of this polygon in km^2. What would be the best way to do...