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Esri and NASA are collaborating to improve access to imagery and raster data stored in the cloud using a combination of two technologies. أكثر...

GeoInquiries are designed to be fast and easy-to-use instructional resources that incorporate advanced web mapping technology. Each 15-minute activity in a collection is intended to be presented by the instructor from a single computer/projector classroom arrangement. No installation, fees, or...

Summary: The Barnett Shale contains estimated mean volumes of 53 trillion cubic feet of shale natural gas, 172 million barrels of shale oil and 176 million barrels of natural gas liquids, according to an updated assessment by the U.S. Geological Survey This estimate is double the...

I am attempting to request a png image using NodeJS and dojo/request from an ArcGIS Server REST feed, and return the image to the client. I need nodeJS to add a token to the request as a query parameter as my services are secured and I want to control their security through node and not on the...

I am trying to write a script that identifies all Shapefiles within my folder structure and write a list of the .shp files with their full path file name to a newly created .txt file. I was able to get this code to work with PNG files but when i try to search for .shp files i get a...

I've got a DEM ("ASTER_Nepal.tif") and a slope ("ASTER_Slope.tif") and am trying to create a new raster for elevation values between 2000 & 7000m and between 5 & 60 degree slope. I've tried to use the raster calculator but the expression escapes me and I cannot get it to work! Any help...

I have a DEM.Created all files related to watershed including accumulation, direction, streams etc...I'm stuck creating a dam.I request you to please let me know how to build an artificial 'dam' across a stream/river. Please suggest any software/methods to do. أكثر...

I was looking for interactive query options for SQL Server (similar to SQL Server Management Studio). The "DB Manager" works great for Postgres and I'm primarily using the Load as new layer as I build out spatial queries. I would love to be able to do the same thing with SQL Server. Currently...

I have two line shapefiles that overlap 50% of the time. I want to generate a new single shapefile that includes attributes of both datasets AND no duplicate segments. A short segment from one layer will split the longer segment from the other and they will combine to form a new segment made of...

Just installed Whitebox 3.2.3 and I'd like to import a 14 MB.img file. The data import options do not list .img as a file source. A web search has also turned up nothing. Any ideas would be appreciated. أكثر...

I have an AutoCAD file that I want to convert to Shapfile to appear in a map by API for JavaScript in .net. What do I do? أكثر...

The 2013 and 2014 Retail MarketPlace and Business Summary map services will be moved to retired status and become unavailable on December 31, 2015. Esri recommends updating to the 2015 services, layers, and web maps listed below, as soon as possible. See below for recommended replacements. Read...

I've a dataset of SMS records in PostgreSQL, where each record has a lat/lng and a timestamp in the format YY/MM/DD hh:mm:ss. What I would like to do, is create cluster(s) to highlight SMS messages that were sent close together both spatially and temporally. So far I have some SQL that can tell...

I'm a QGIS neophyte and I'm looking for a little help. I'm trying to integrate QGIs into my forensic investigation practice, with regard to investigating and processing accident scenes. I take a fairly high volume of photos and in some cases, it would be helpful to add a point layer to a QGIS...

I have two polygon shp files that do not have a common ID. I'm trying to link the datasets with a common ID based on spatial location. Is there a tool/process to link features (common ID in the attribute table) from one polygon layer that are spatially located inside of features of the...

يبدو أن موقع جوجل يتجه إلى إنهاء خدمة البريد الإلكتروني الخاصة به Gmail وإطلاق تطبيق بديل له يدعى صندوق الوارد (Inbox) الذي أطلقته الشركة نسخته التجريبة في شهر أكتوبر/ تشرين الأول العام الماضي. وبدأت الشركة في توجيه مستخدمي البريد الإلكتروني من هواتفهم الذكية إلى تطبيق inbox بدلا عن Gmail . وبعد...

The International Hydrographic Organization (IHO) S-100 Universal Hydrographic Data Model is the latest evolution for the IHO’s approach to Digital Hydrographic Data. *Anticipation for the standard has been growing in the hydrographic community over the past few years. *The S-100 series of...

Storing large volumes of data in the cloud Storing large volumes of imagery in the cloud and transmitting the data to client applications has always created a quandary. Do you want it large, slow and accurate; or fast, small and of unknown accuracy? For the first option, you can store and...

On Thursday, December 7th, Collector for ArcGIS on the Windows 10 platform was released into Windows Store. One week later we are now updating Collector on the iOS and Android platforms as well. The December update contains key new functionality that is driven from your feedback. Here are the...

I have designed a geological observational spatial database in PostgreSQL/PostGIS to manage geochemical samples, QAQC and geological map objects. Now is the not so fun/easy part of designing a front end to manage all the 1:1 and 1:Many related tables. I have extensive experience with MS Access...