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The startup-uses the DC Open Data Portal created by Esri. أكثر...

The city's IT department partnered with Esri, utilizing its ArcGIS platform to provide residents with real-time crime data via an interactive map on the city's website. أكثر...

If you have been to any NSGIC meeting, or have read the April 13th post on the National Address Database Summit meeting in Linthicum, Maryland, you will know that realizing the development of a publicly accessible National Address Point Database (NAPD) with X and Y coordinates, is a very high...

We just launched the Map Matching API. The API allows for cleaning noisy GPS traces by matching them against Mapbox Streets - all over a simple HTTP interface. It is powered by the Open Source Routing Machine’s fast map matching feature we built earlier this year in April. The API is now...

Why is my infowindow disabled on the data set I uploaded from NYCOpen Data or the sample data on CartoDB? أكثر...

Is there a way to import google maps into ArcMap as a raster, vector, WMS or other format layer? I need to use/manipulate the data within ArcMap as Googlemaps does not have the necessary tools. I tried using the googlemaps engine connector but it doesn't seem like it would let you do this...

I need assistance creating a ratio/comparison map that shows two fields within a polygon feature What's the best way to display the data? أكثر...

I try to join a polygon layer and a multipoint layer. When the model runs, it keeps saying that "Failed to execute. Parameters are not valid. ERROR 000840: The value is not a Layer." How could I solve it? أكثر...

I'm working on a small-scale site survey in qGIS, and for engineering purposes I need to print physical copies of the map that can be used with an engineering ruler. Basically, I need a way to print a scale bar that has intervals that will actually be 1". The map is at 1":500", and I'm using...

I'm looking to implement a 3D/2D tactical display in a browser. This should be capable of plotting maybe 100 tracks and their histories with 0.5 second updates. I've researched the available technologies and considering using the following stack. GeoServer with PostGIS backend...

I have two tables, one contains lines (test_line) and the other contains the points at the vertices of the lines (test_line_vertex). I want to split the line into individual segments based on the vertices. I tried the following query: CREATE TABLE test_intersect AS SELECT...

3D printed cars are going to get a lot of people's attention, especially in Detroit. Continue reading → Click Title to Continue Reading... أكثر...

I am considering using Common Query Language (CQL) to add filter parameter to a HTTP curl query which runs against a WFS server. I found out that GeoServer supports CQL via WFS. Can I tell from a GetCapabilities document if the WFS is served by GeoServer? How can I test if CQL is supported by...

I have a DrawFeature tool. create= new OpenLayers.Control.DrawFeature(myVecLayer,OpenLayers.Handler.Polygon);app.mapPanel.map.addControl(create);I have a store. st = new GeoExt.data.FeatureStore({ layer: myVecLayer, fields: [ {name: 'id', type: 'int'}, {name: 'mydata'...

I have a PostGIS db, and I want to find the points that lie within some region (a bounding box). I have two sets of coordinates, from which I can get all four rectangle points that form the box (if needed). My data column in question is named 'point' and it is also of type point. Is there...

Joe Peters discusses enabling ENVI through ArcGIS for server in this recorded presentation, originally presented at the 2014 Esri UC. See how ENVI for ArcGIS enables ENVI image analysis across the ArcGIS platform. From desktop analysis to web-enabled applications, it’s easy to share your ENVI...

Last semester I assisted a colleague in teaching a GIS-based course at the local university. We had our students collect data in the field using Collector for ArcGIS, perform analysis and author maps in ArcMap, then publish their maps in the form of Story Maps in ArcGIS Online. I had been...

Yemen’s Al Mahrah Governorate has much in common with Oman’s adjacent Dhofar Governorate. The two areas share the seasonally humid landscape of the south-central Arabian coastal uplands, and both have large non-Arabic-speaking communities, which instead speak languages in the Modern South...

Earlier this month, Garmin released it’s new product – Varia Rearview Bike Radar, a low-energy radar sensor that scans up to 140m behind a bicycle for traffic. Varia Rearview is the result of Garmin’s acquisition, earlier this year, of a South African bike radar startup ikubu which developed...

I am doing land cover classification with an hyperspectral image of Santa Barbara, CA. The spatial resolution is 6.4 meters but I couldn't find any high spatial resolution land truth data for validation. Someone recommends me that I can generate random points in the classification map and see if...