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Is there a way of calculating the number of unique text strings in a field in ArcGIS 10.1? I have a number of repeated strings in this field, but would like to calculate the number of unique strings in a field based on groupings from another field. E.g - Current table: Field 1 Field 2...

Troy Lambert takes a look at how the power of GIS can be leveraged to greatly influence healthcare as we know it. The post Where Have You Been? Using GIS to Analyze Residential History and Health Care appeared first on GIS Lounge. أكثر...

I started with a continuous spline raster of hotspots, classified by standard deviations from the mean. This displays as 7 classes, but since it's a continuous raster in ArcGIS 10.2, it appears nice and smooth. However, my goal is to take the splined continuous raster that looks nice and smooth...

I have a folder with many .gws files in it. I have to open each one individually and print to pdf. This consumes a lot of time and is very tedious. I know not a lot of people work with geomedia but I am stuck with it for now. I have been trying to work with a small python code to try to open and...

is it possible to perform tasks such as find connected,find loop ,...which is available in Schematic Network Analyst toolbar in ArcMAP ,by ArcGIS Server and schematic service? أكثر...

I have 4 feature types and writing to a single xls file using FME. For every feature type i have one table Sheet for his own. How can i sort the table sheets with FEM before creating the xls-file? I use FME 2012 SP3 Thanks in advance for your help. أكثر...

I'm losing the custom settings of my map when I perform simple filtering analysis and "Create Dataset from Query". Here's what I'm doing: I've created a map where I've specified my color scheme, updated the Info Window with the fields I want visible and update the legend. I then...

I have a set of points defined by their longitude and latitude, and I would like to check if they lie within a "polygon" on sphere. By polygon on sphere, I mean area in between 4 lines going between 4 points that I have. As I understand it, Polygon will give me straight lines that are cast onto...

I've developed a geoprocessing service that accepts a personal geodatabase as an attachment. After this MDB is copied to the server, I'd like to use ArcPy to open it, edit some feature classes, then append the data to an existing SDE dataset. Given that ArcGIS Server GP Services are running...

I have a problem with including path of the local tileLayer (generated in OpenStreetMap) in Leaflet. Here is the code in which I define path to the map.png var map = L.map('map', { zoom: 8, layers: L.tileLayer('/tiles/{z}/{x}/{y}.png') }); Errors in my console: GET...

I've got a ~500M shapefile I'd like to place where it is publicly accessible and can be found via search. Specifically this dataset is the Bernalillo County, NM assessor parcel and tax database, which would be of some interest to others, but it way too large for GeoCommons. I'd prefer a geo-data...

ee how senseFLY uses Surface Pro alongside their civilian drone technology to create amazing maps and models for humanitarian and conservation efforts. Surface Pro provides the computing power necessary to process data virtually anywhere in a small, lightweight package. أكثر...

Using the WPS plugin in Geoserver 2.8, I am able to use the PointStacker funtion in order to generate a cluster output via WMS. SLD is used to filter the number of features in a feature collection for styling. count 1 Is it possible to use gs:Aggregate to filter for...

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I have downloaded some DTMs and created feature datasets and dataclasses where I projected the coordinate system to the British National Grid. ArcGIS isn't letting me digitise though. Any ideas what's wrong? أكثر...

I need to find an algorithm or method that can detect outlier latitude longitude points in a trajectory during post-processing, which can then be fixed (brought back into the trajectory's path based on its neighbours). As an example of the kind of outlier points I would like to detect and fix...

Let's assume I have a raster image consisting of 0's and several donut-shaped rings of 1's. This raster could for example be the result of classifying a satellite image with ponds and lakes in it into two classes: 1) pond shoreline, pixel value 1 and 2) other, pixel value 0. See image for...

I want to make a map showing pubs in London but don't know how to go about getting the data. I have looked on digimap and downloaded a few things but none seem to be right. any ideas? أكثر...

I'm applying PointStacker transformation on one of my layers using Geoserver 2.5.2 and OpenLayers 2. I know, that I have 7 datapoints located on the exact same location. However, when I change the zoom level the stacked point is moving around randomly.I would've thought that the stacked point's...

I am looking for a shapefile representing the coastlines of North America, such as something like this:http://www.diva-gis.org/gdata Does anyone have any suggestions? أكثر...