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St. Louis County Police uses Esri Partner, HunchLab for predictive policing. أكثر...

I am very happy so see that Redis now offers a Geo API I would like to host a service where, given a latitude-longitude pair, I retrieve a bounding-box (of OSM) from a pgsql query. Since I expect queries to be done in the proximity of each other, I would like to cache the bounding-boxes...

Can someone elaborate on Jason's answer from this 2013 post? I'm struggling to impletment a similar strategy. A code sample would be helpful. Thanks! How to add ArcPy Feature Layer to ArcMap automatically? Recap: Q. With Python, how do I get the MakeFeatureLayer_management layer that is...

I am working on creating a transit feed with General Transit Feed Specifications in mind. I'm torn into how detailed the routes should be for the shapes.txt. Do I map just when the bus is on the main road? Or should I show what parking lot entrance it uses or how it turns around at the end of...

Is there any tool available for extracting the X, Y and Z channels from a .las file and exporting them to a .csv or similar file? أكثر...

I'm curious to the underlying "cleaning" differences between restarting the entire ArcGIS Server process with stopserver.sh vs. doing a stop through the arcgis/admin console. http://server:port/arcgis/admin/machines//stopObviously stopserver.sh shuts down the entire process, and admin-stop will...

I am trying to create a feature service from a feature collection. Prior to that, a query was performed and a featureSet was produced. However, I get the circular json error when I try to create a feature layer from the query results. Suggestions? mapServiceUrl= ; var...

Is it possible to retrieve the size of a shapefile using python and arcpy? If so, how? أكثر...

Just built a model that uses 3D Analyst - Surface Volume. I am trying to use a z factor of 1. Whenever I run the model my output table shows that a Z factor of 0.999998 was used instead of 1. I know this is a very small difference but even so, it is skewing my results somewhat. Really what I...

I inherited a line shapefile in ArcMap that is used to represent a road network. The problem is that the road network is pretty large and it is impossible for me to: Tell if the end of each line (road segments) is "connected" to either an edge, vertex, or the end of another line (road...

# Script to use Layers in MXD source file paths to locate and redefine projectionsimport arcpy, glob, os, sys, arcgisscriptingmxd = arcpy.mapping.MapDocument("N:\MXDs\_ThomaKL\MXD GPS Valves\GPS_Shapefile_Paths.mxd")for lyr in arcpy.mapping.ListLayers(mxd): if lyr.supports("DATASOURCE")...

I have a polyline feature with all the railway tracks of a country. However, there are many discontinuities in the polyline (maybe 15 feet), that is, at several locations the polyline has a break of 15 feet. How do I make this polyline continuous such that I can run network analyst tool with...

Does anyone know I need to use ESRI's Create Spatial Type functionality when creating a field in a non ESRI / non geodatabase Oracle 11g database? I have an older customer database in Oracle. After enabling the datatype ST_GEOMETRY on the database via Oracle's Locator functionality, I added a...

I am using ArcGIS 10.3 for Desktop. I have 2 point features centroid and station. I want to snap all the points of centroid to the nearest point in station such that centroid is only snapped with points of station. أكثر...

Introduction L’environnement et le changement climatique concernent les deux côtés de la rive méditerrannée. Au Maroc, la conscience écologique s’est développée depuis le Sommet de Rio en 1992 et a obtenue une nouvelle dynamique par l’adoption de la nouvelle Constitution l’année dernière. La...

We are excited to announce that beta 3 of the ArcGIS API for JavaScript 4.0 is now available. The following are some of the highlights of this release. Developer-friendly widgets All widgets in version 4.0 of the ArcGIS API for JavaScript are being reengineered to enhance their...

I have 2 maps with the district borders of a country and I want to combine their features based on their location on the map but the borders of the districts don't overlap perfectly. I tried to use spatial join but in many cases it mixes the features of one district with the features of the...

I need to know if Grass Gis is a correct program to work with a shape file (.shp). I can´t open my shape file (328000Kb) in that program because i want to dissolve a shape file because on qgis the process is very slow. أكثر...

This video shows how to calculate Area in QGIS أكثر...

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