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Where are the GUIDs for object class and workspace extensions stored in SDE for Oracle? I've looked through GDB.ITEMS but can't seem to find it. I think SQL Server stores it in an .xml column but I don't see the equivalent in Oracle. أكثر...

I use arcgis 10.1 (arcinfo licence) with arcsde to connect to a SQL Server database. The initial dataset has around 100k polygons (used for land registration, having a resolution that is around 1cm and using an MTM projection). Many geoprocessing operations were made on the dataset to build...

I have a feature class that contain many overlapping polygons. Each polygon has a field value which I would like to add together wherever the polygons overlap. There are about 100 polygons each with complex boundaries and some are multi-part polygons. Below is conceptual diagram of what I would...

So I am defining a function for use in a ArcGIS tool that will verify attributes, catch errors, and obtain user input to rectify those error. I want the tool to select and zoom to the segment that is being currently assessed so that they can make an informed decision. This is what I have been...

I have a DEM and a series of points. I'd like to measure the change in slope along the series of points. Distinguishing between uphill and downhill slopes matter to me, and ArcGIS' slope function renders all slopes as absolute values. I'm working with ArcGIS' Spatial Analyst and 3D Analyst...

I would like to be able to detect relationship classes in a file GDB. Because users of my script might have only an ArcView level license, they would not be able to manipulate the schema of a feature class (specifically to add a field) that is in a workspace that has relationship classes. How...

Esri publishes Getting to Know ArcGIS, a comprehensive introduction to the features and tools in ArcGIS for Desktop. The book also introduces the new ArcGIS Pro application. أكثر...

One of the most active volcanoes on the Indonesian island of Java spewed fresh ash and gases in early July 2015. أكثر...

I had major performance difficulties with MapServer version 6.0.3 (MS4W 3.0.6) and need latest version of Mapscript but i cant find it for windows. Anybody can help me to find latest compiled (binary) of Mapscript(PHP) or compile it from source for windows? أكثر...

I'm getting started on the recently released Citizen Problem Reporter AGOL App. One of the steps is to set up an AGOL hosted featurelayer. I've done that, the app is up and running in a test state, but I'd like to edit some of the coded values to be more in tuned to what our organization...

I think the issue outlined in this question PostgreSQL default values in QGIS 2.8.1 and ticket #12391 is not fully solved yet. Negative numeric values, and dates are not used by QGIS 2.8.2 correctly. 2.6 works. Example:ALTER TABLE bla ALTER COLUMN vres SET DEFAULT -32768.0; => shows up as "vres...

I have a geocoder based on Tiger/Line data running on PostGIS. I need to find census block for a given address. How can I do it? Like I can do for census tract: SELECT get_tract(ST_Point(-71.101375, 42.31376) ) As tract_name; What would be similar query for finding census block and block...

Is possible to add text background color using python on ArcGIS(ArcMap 10)? I wrote a function that able to change font color of the string but I want to add background color to it as well def changeColor ([s1]): return "" + [s1] + ""Following links show me how add background color manually...

Further to my earlier question Is there any way to load data into GDB tables with relationship classes to composite data as geometric network with out making them simple first ? I have FGDB with few M-N composite relationships classes that contain geometric network. Every few weeks or month I...

Summary: Wetland channels constructed in downtown Rapid City, South Dakota, effectively reduced many pollutants in stormwater runoff, according to a recent U.S. Geological Survey report Contact Information: Galen Hoogestraat ( Phone: 605-394-3264 )...

I have a point feature class and a polygon feature class (NTA - Neighborhood Tabulation Areas). I want to assign each record in the point feature class an NTA that it falls into. Also, neither of these feature classes has a common field. أكثر...

I am trying to import lat long coordinates to a map in ArcGIS. This is the procedure I use for my data that is on csv format. Add Data/ XY event data/ Run This is the errror: ERROR 000055: Cannot create a Query Table for this workspaceFailed to execute (MakeXYEventLayer). أكثر...

I'm trying to plot in R all the subway lines and stations in downtown New York. I would just need the shore-sea line and the lines with the stations. I tried to follow the approach shown in the Osmar package documentation. Essentially, downloading all the nodes in the area and then sub setting...

I am currently working in the field of isochrones and the underlying algorithms. What now causes problems is not the calculation if the isochrone itself, but the visualization of the results. The result of my isochrone algorithm are points and edges. In fact I do have a working solution, but for...

Here's the setup: I have a leaflet map with point data, to which I have applied leaflet.label and leaflet.markercluster. I add the clustered point data at a particular zoom level (code below). All works as planned until I zoom back out (points removed) and in again (points added). The labels...