0
votes
1answer
112 views

How to get nearby tiles from a location?

I want to get the tile in which a particular location lie and also its nearby tiles. Is there any google map api which could return this information.
1
vote
3answers
198 views

Looking for large GML files containing vector polygon data

I have few vector data files with 500 to 700 MB GML files. But I am looking for files larger than these preferably 1 GB, 2 GB. It would be helpful if somebody can provide some pointers regarding the ...
9
votes
2answers
2k views

How to get the second nearest neighbor between two point patterns in R?

Is there a way to get the distances for the second nearest neighbor between two point patterns in R? The spatstat package has a function called nncross but it only applies to the nearest neighbors ...
2
votes
1answer
268 views

Does anyone know of a 'best practice' Seabed Survey Data Model (SSDM)?

Many of the offshore oil/gas companies are adopting an initiative from Shell for delivery of spatial data. This is called an SSDM, which is really an ESRI file geodatabase with a standardised ...
2
votes
1answer
161 views

How to tell if an ArcGIS Service is secure?

I am creating a .NET REST SOE for ArcGIS Server 10, and I will need to determine if a map service (or image) is secure or not. Is there a property on a MapService that would tell me this in either ...
6
votes
1answer
780 views

What server and API to use for displaying complex polygons with dynamic symbology?

Background I need to interface a map into an existing website which allows the user to query a database and which currently results in a table listing population statistics per county. For example, ...
4
votes
4answers
498 views

Looking for web and desktop tools with GML support

I am a graduate student and a novice in GIS field. I have few GML files that contain vector polygon data and I want to see them in a map format. The problem is that I do not have access to ...
4
votes
2answers
7k views

Viewing .las format LIDAR data in QGIS?

Is there an easy path to visualizing this LIDAR data? I have QGIS, and some USGS LIDAR data in (.las) format downloaded from http://lidar.cr.usgs.gov/ . This means I have both the (.las) and ...
2
votes
1answer
422 views

A software architecture for viewing/editing roads and routes

I have a routing software module which uses PostGIS/pgRouting to calculate routes. The road network is generated from an .osm file with osm2pgrouting tool. I need to enhance the functionality of the ...
5
votes
3answers
4k views

OpenLayers on mobile device: possible to use local map tiles?

Is that possible for an OpenLayers app (running on mobile device) to load the map tiles that are deployed in the device, if the app is able to access these files (e.g., using PhoneGap)? from this ...
7
votes
2answers
584 views

Alternatives to ESRI Business Analyst

Does there exists any other software that can do store-level trade area analysis without much programming overhead? I am particularly interested in: Creating cutomer-derived trade areas that ...
7
votes
3answers
5k views

How to delete multiple selected polygons at once?

I'm new at this, a novice at best. I'm using QGIS 1.7.3. I simply want to select a large number of polygons on screen and hit the delete key to delete them and resave the shapefile. Can this be done?
2
votes
5answers
894 views

How to reconcile UTF encoding for OpenStreetMap

I frankly am a bit confused when I am working outside the United States so please excuse my ignorance. I downloaded some shapefiles for Moldova (MoldovaData) and had a question regarding the encoding ...
1
vote
1answer
580 views

Data Driven Pages reading angles in attribute tables question

Is there a way to emulate the Data Driven Pages process (ArcGIS 10) of reading angles (rotation) in a polygon shape file? Screen shot of the DDP window with rotation field and corresponding attribute ...
4
votes
1answer
529 views

Can you edit an SDE table via ArcObjects when not added to ArcMap

I have a table that is in SDE, what I want to do is in my userform click on the "Save" button, and the table will be edited even though it is not within the map document. Is this possible? I have ...
3
votes
1answer
965 views

clip linestring by length

Is there a way to clip a linestring based on distance? For example, linestring from a to b is 150 meters. I would like to get the linestring from a to a point that is is 75 meters away from a ...
2
votes
0answers
546 views

GDAL tiling DTED (dt2) dataset as gdal2tiles for 3D Maps

i am searching some webgl technologies to create 3d map with digital elevation data. for web tech. i have found ReadyMap SDK to create 3d map from TMS... in ReadyMap for elevation data it uses sth ...
0
votes
1answer
378 views

Error when using .isalnum in ArcGIS fieldcalculator

ArcGIS keeps throwing an error when I use the following script in the field calculator, using Python: pre-logic script code: y= () if !fieldx!.isalnum(): y= 1 else: y= 0 Fieldy= y The ...
3
votes
2answers
319 views

Postgis Grid Points on Boundary Issue

Hi all hoping someone can help me out with this issue. I've got a table of polygons which are grid squares which get overlayed on a map. These are used when querying data so that points get grouped ...
3
votes
3answers
1k views

IFeatureBuffer - performance considerations (ArcObjects)

I'm trying to optimize my code to make it faster. I have a loop that reads some string input and creates points with the help of IFeatureBuffer and IFeatureCursor. If I create the buffer inside tho ...
1
vote
1answer
500 views

“Wrapper” script or “wrapper” web app for mapserver?

So I have been reading up on http://mapserver.org/cgi/wrapper.html and was wondering if there are any more substantial examples of creating a full-fledge web application (using python and, if ...
3
votes
0answers
312 views

SAP Integration in Esri [closed]

I looking a way to integrate Esri solutions with SAP solutions. I have seen APOS http://www.apos.com/ESRIGIS/ but don't have any experience with integration betweend Esri and SAP. So then maybe ...
1
vote
2answers
865 views

GeoExt Legend Modification To Include Feature Count

GeoExt has Legend capability but is is quite basic which shows only feature types like in example http://api.geoext.org/1.0/examples/legendpanel.html. How could it be modified display legend with ...
7
votes
3answers
6k views

How to add Raster legends in QGIS map composer?

Is there a plugin or method to add legends for raster layers (with a custom colourmap) as an item in the print composer?
3
votes
4answers
1k views

ArcMap 10.0 Python script tool - Have the script tool dialog box stay open past successful completion of script

Is there a way to have the script dialog box have the radio button that says "Close this dialog when completed successfully" unchecked for any user who runs the script tool? Is there configuration ...
0
votes
1answer
219 views

I am looking for a library or API to do vector overlay for two map layer (shapefiles or GML files)

I need to perform vector overlay operation on any two map layers as ArcGIS and Grass GIS performs. I am wondering is there any API or library ( in C, C++ or Java) so that I can use that third party ...
2
votes
0answers
129 views

Performance issues after upgrading from 9.2 to ArcGIS Mobile release 10 [closed]

We have recently upgraded an application originally written for ArcGIS mobile release 9.2 to the release 10. Even though we have just made a code conversion (no code refractory was applied), the ...
7
votes
1answer
1k views

Coordinate grid display on a rotated map

I have a series of maps that require me to rotate my data frame within my layout screen (north "rarely" points up in these maps). I ONLY want to show east coordinates on the top/bottom and ONLY north ...
2
votes
2answers
495 views

How to combine vector layer and wms layer based on some constraints?

I would like to group wms and vector layer together but with some constraints in openlayers. The requirement is, if lets say vector layer 1 is selected then its corresponding wms layer should also be ...
1
vote
1answer
3k views

Loading a raster using Openlayers and Mapserver

I'm trying to load a raster into my browser using Openlayers. I can examine my WMS raster layer using OpenJump, but I'm not able to get it to load into my browser. My mapfile is as follows: MAP ...
3
votes
2answers
194 views

Why does OpenLayers display red tiles for USGS map?

I am trying to display the USGS national map via OpenLayers: http://viewer.nationalmap.gov/viewer/ OpenLayers is able to display the USGS map. However, when I zoom in, the tiles turn red. Could ...
4
votes
2answers
384 views

How to import GDAL in Jython?

I'm trying to use jython with GDAL on Windows. Python and GDAL are installed through MS4W and work perfectly together. Jython is installed manually, but I can not import GDAL. I tried to update ...
2
votes
0answers
244 views

How to print tiled mapservices?

I have created a few GeoExt webmapping projects using Ubuntu10.04 / Tomcat6 / Geoserver /Postgis but have no good solution regarding printing the maps. Using GeowebCache I am not able to export to pdf ...
0
votes
1answer
300 views

Which ESRI Silverlight API version goes with which Silverlight version?

I am trying to get my references right in a Silverlight app. I cannot find the ESRI Silverlight API goes with Silverlight 3. I can only find the latest version of the ESRI Silverlight API (Version ...
4
votes
2answers
1k views

Is it possible to publish a geoprocessing services that uses a custom gptool on ArcGIS Server 10?

I have developed a custom GP tool in C# which does a bunch of processing on a given layer. It works great in ArcMap on all machines that I have deployed it to. I created a model which uses this tool ...
33
votes
4answers
8k views

GIS professionals working from home?

How many of you out there work from home? What kind of company / organization do you work for (private, government, municipal, institution..?). How did you convince your employer it was a good idea? ...
2
votes
1answer
8k views

Python :ImportError: DLL load failed: The specified module could not be found

I am working on Python plugins for QGIS. I set my variables as PATH :=C:\OSGeo4W\apps\qgis;%PATH% PYTHONPATH:=C:\OSGeo4W\apps\qgis\python But when I try to run my .py file in IDLE I get an error ...
0
votes
1answer
251 views

find out those points which are intersecting each other using spatial filter in C# arcobjects [duplicate]

Possible Duplicate: Determine overlapping points using a spatial filter in ArcObject I have a point layer having thousands of point, now what i have to do using Spatial filter i have to ...
3
votes
3answers
2k views

ESRI File GeoDatabase: Unicode/Codepage problem - Convert UTF-8 to ANSI

I have a Codepage issue, and for now I am a bit stumpped My original source data contains multiple country data delivered in SHP (UTF-8). The data is then merged into a File GeoDB as the data is too ...
2
votes
0answers
129 views

Bounding box for app engine?

I'm using python 2.7 and app engine. To do bounding box we used geomodel but it executes more then 5 seconds in table with 350 records. It's to slow. Can you please suggest better solution ? Is ...
1
vote
0answers
66 views

How to configure mapserver correctly on cherokee?

I am attempting to configure mapserver using fastcgi on cherokee and here's what I have got at the moment:- Unfortunately, that doesn't seem to be enough as I somehow need to have mapserv ...
4
votes
4answers
2k views

Determine overlapping points using a spatial filter in ArcObject

I have a point layer with thousands of points. Using a spatial filter, I have to find out those points which are intersecting each other. Then the objectid's of the intersecting points should be ...
4
votes
1answer
705 views

How to create a shortcut (a button) for “Make this the only selectable layer” in Python 2.6?

I'm trying to create a script in Python 2.6 to make a button or a keyboard shortcut for "Make This The Only Selectable Layer". I came across the following VBA scripts on the net, but the problem is ...
4
votes
3answers
433 views

How to choose a language for web map development?

I am building a web map application using: GeoServer OpenLayers Tomcat I would like to build a web application, where the user can log in and have the map arranged according to their profile. ...
10
votes
2answers
800 views

Metadata -auto build using python

We have a large (10,000 plus) repository of spatial data (shp/gdb/tab vectors and ecw/tif rasters and also las, xyz and DEM data) where some have metadata records in xml using anzlic metadata editor. ...
3
votes
1answer
3k views

How to set the Output Extent (Environment Setting)?

I'm a bit confused as I'm trying to figure out how to set my output extent before creating Thiessen Polygons in a loop of ~100 points shapefile. (ArcMAP 10.0 - Python) for i in range(3,51,1): ...
1
vote
0answers
113 views

Calculate Point C using distance and bearing from points A and B? [duplicate]

Possible Duplicate: Calculating Lat/Lng X miles from point I'm from old school so have not done math for ages. So I need some help to solve this problem, please :) I have two points such ...
2
votes
1answer
2k views

OpenLayers call ArcGIS WFS: no feature returned

I spent a long time looking for an example using OpenLayers to call ArcGIS WFS, however, almost none is found... currently the code I wrote is based on the example of GeoServer, however, no feature is ...
10
votes
2answers
418 views

Looking for best practices for determining turn penalties

Shortest path routing will often return routes with a lot of turns (zigzag shape). If you want to get routes with fewer turns, you can use turn penalties to make turning more "expensive". What are ...
0
votes
2answers
845 views

Couldn't load GLMapCore: findLibrary returned null

Im getting this Error when loading an ESRI map inside the Android Environment. This didn't happen with ESRI's .1 Alpha SDK, but it does happen with their 1.0.0 SDK. I know it has something to do with ...

15 30 50 per page