1
vote
2answers
1k views

OpenLayers - How to show UK Map with OSGB Projection

We are using OpenLayers for our GIS Application. We use Google and BingVE as source for the BaseMap. We use Projection in the OpenLayers with following code. We want to show UK Map with OSGB. ...
18
votes
4answers
5k views

What reliable GeoCoding service would you recommend me?

I'm looking for a web service providing a full address based on coordinates (and reverse). I'm ready to pay for that service. I don't want to use Google's API.
1
vote
1answer
339 views

CQL_TEXT in CSW doesn't work

I need to retrieve some data from CSW server running GeoNetwork. I'm using this query but it doesn't work: http://serverurl/geonetwork/srv/en/csw? REQUEST=GetRecords& SERVICE=CSW& ...
18
votes
2answers
379 views

How does Watson solve Geography problems?

In spite of losing to humans on the geography question, Watson still won Jeopardy. The explanations regarding this incorrect answer seem a bit lame to me (at 3:40 in the video). With a logo like ...
6
votes
1answer
1k views

What tile/tiling strategy should I use with GeoNode/GeoServer?

I've got a wicked GeoNode instance running, loaded with some basic vector data. I want to be able to serve our local-County aerial imagery as a basemap within GeoNode. I am thoroughly overwhelmed with ...
1
vote
1answer
676 views

How can i upgrade geoserver on a geonetwork install?

I have a default geonetwork install with Jetty and geoserver but i would like to upgrade to the latest (unstable) build of geoserver instead of the stable version it comes with. Any ideas how i can ...
4
votes
3answers
436 views

How can I programmatically determine if a shapefile contains points, polygons, or lines?

How can I programmatically determine if a shapefile contains points, polygons, or lines? ArcEngine 10, VS2010, C#
0
votes
0answers
241 views

A problem with Network Analyst C# code after upgrading to ArcGIS 10 [duplicate]

Possible Duplicate: IDatasetContainer2 CreateDataset method fails after upgrading to ArcObjects 10 I have a Network Analyst routine that worked for 9.3 and does not work with 10. I was ...
1
vote
1answer
303 views

Error when pointing Geoserver to PostGIS

I have a PostGIS database that contains all my GIS data along with metadata. I have it published as a Store in GeoServer. They are both installed on the same windows server 2008r2. When i try to add ...
3
votes
4answers
712 views

Update geometry(polygon) of shape file based on a point layer

I have two shape files. Polygon shape file Point file contains some points. Now i want to delete all the vertex of polygon shape file which are available in point file. I am using ...
9
votes
3answers
439 views

Help making the DARP example run

I've compiled and installed DARP branch. Is there any data example to test it?. I've used some data based on document instructions http://www.pgrouting.org/docs/1.x/darp.html but no results return. ...
5
votes
1answer
425 views

Extract many or clustered cells attributes around points

My question is similar to Extract raster values at points, but perhaps more complex. How to extract the attributes of clustered cells around a point/points? For example, I have many vegetation plots ...
4
votes
2answers
703 views

Has anyone use Network Links updates successfully with ArcGIS Explorer?

I've been trying to do updates of kml through a network link without success. Here is an example from the KML 2.1 tutorial. Load the following file (Point-load.kml) into AGX: <?xml version="1.0" ...
7
votes
4answers
10k views

Setting default zoom level in Openlayers

GISers!! With your help I was able get a shape file from the CAD file of the previous question. Now the next step is the display the shape file in Openlayers.... I wrote the script but the map ...
6
votes
2answers
313 views

Auto Balancing in EarthWork

I am not sure whether this question belongs here. I think it belongs more to Geo-technical, but anyway, I just give it a shot. During earthwork development, earth terrain has to be cut ( if the ...
7
votes
2answers
595 views

Is there a standard vertical datum for meters below the WGS84 ellipsoid, or below MSL?

I have data I am publishing a WMS layer representing data under the surface of the water, say temperature at 100m depth. What is the accepted way to represent this in WMS GetCapabilities document? ...
2
votes
1answer
105 views

Can you add more than one contact in FGDC compliant metadata?

I am new to following FGDC metadata standards. I have received an SDSFIE compliant geodatabase. My job is to build on this geodatabase. Each feature class already has FGDC compliant metadata. As I ...
10
votes
2answers
3k views

Programming Geoserver 2.0.2 to add a raster data store and layer without the UI

I have a directory of raster imagery that will be updated continually. From this imagery, I am making Image Pyramids using the Geotool's PyramidBuilder utility. I need to setup a cron job to ...
12
votes
5answers
14k views

Finding distance of point along polyline?

We need to find the distance of a series of point along a given polyline. We have a polyline dataset repsenting rivers in a catchment, broken up into river reaches (FID 1 through 35 for example). We ...
0
votes
1answer
1k views

Arcpy and arcobject [duplicate]

Possible Duplicate: How do I access arcobjects from python? Hi : I'd like to begin programming with Python in ArcGIS 10 by Arcobject.but i don't have any experience about python and ...
7
votes
4answers
3k views

Reading GeoTiff using .NET

Is there a managed library for reading the coordinates from a geotiff file in .NET ? I know it can be done thru GDAL, but I am looking for a managed alternative.
8
votes
5answers
3k views

How to use ColorBrewer in ArcGIS 10?

I've been using ColorTool (based on supreme ColorBrewer) for most of my mapping needs in ArcMap. After migrating to ArcGIS 10 I discovered that it will no longer be a case. Are there any other ...
6
votes
3answers
308 views

Can anyone share their experience with SpaceNavigator 3D mouse?

I was wondering if any of you had a chance to use any of the 3Dconnexion products in GIS setting? What are your experiences? Is something like SpaceNavigator worth investing into? Update: ...
7
votes
4answers
3k views

Symbolising One-to-many relationships

I have a polygon feature class which has various extent areas with a name which is unique I also have a table (in an FGDB) that has the extent names with a score value. But there can be many score ...
3
votes
1answer
231 views

What are the consequences of setting the SupportedImageReturnTypes to MIME in ArcGIS Server

I am currently exploring using the ExportMap function on the rest endpoint of a Cached Map Service.( I want to export only some layer within a Mapservice). I have found that if you change the ...
11
votes
4answers
397 views

Given a list of surveyor points, what is the algorithm used to simplify the points and retain the terrain characteristics?

Given a terrain and surveyor points sampled from from it or from its contours, is there any algorithm that one can use to simplify the points ( i.e., reduce the surveyor points number) and at the same ...
5
votes
4answers
2k views

What are my options for creating a tile cache via a WMS server which requires http authentication?

I'd like to create a tile cache and offer the tiles via TMS/WMS. The source is a WMS server that is protected by basic http authentication, but no SSL. I'll also need to reproject the tiles. This is ...
12
votes
4answers
453 views

What is a suitable Global/Universal Unique Identifier for a PostGIS database?

I have read that using OIDs as a primary key in a postgreSQL/PostGIS db is poor practice because there are instances where these can be reset. Sounds logical, but then what is a suitable alternative? ...
2
votes
1answer
457 views

Can GeoServer 2.0.2 access ArcSDE 10.0 databases?

It looks like ArcSDE 10.0 databases are not yet supported... At least documentation on the geoserver-2.0.2-arcsde-plugin doesn't appear to address it specifically, and I can't get it to work. Is ...
8
votes
3answers
2k views

R: Download a large DEM, change projection, and adjust to smaller scale

This is a process that takes just a few seconds in GIS software. My attempt to do it in R uses a large amount of memory then fails. Is there something wrong in my code, or is this just something R ...
2
votes
2answers
494 views

What product does “EDN ArcGIS Enterprise Advanced” key unlock?

I have a key to unlock something called "EDN ArcGIS Enterprise Advanced" I tried to unlock ArcEditor with the key - seemed like the obvious choice, but that didn't work. The key starts with first ...
14
votes
6answers
5k views

Generate points that lie inside polygon

I have polygon feature and want to be able to generate points inside it. I need this for one classification task. Generating random points until one is inside the polygon wouldn't work because it's ...
2
votes
2answers
475 views

Make a single layer multiple colors

I have a layer file that has a few polygons in it, each of these polygons is required to be a different color based a column in the DBF file. I normally color layers like this: ISimpleRenderer ...
4
votes
2answers
84 views

How can cities in a Metropolitan area share data collection costs?

Does anyone have any stories to tell (good or bad) about attempts to share the costs of data collection among cities/agencies in a metropolitan area? Aerial imagery is a primary example, but would ...
4
votes
3answers
2k views

Advice on using CityGML data and GIS

I'm looking for advice on how best to use the CityGML data-structure and GIS (preferably ArcGIS/QGIS). I've read through their website and wiki and saw a list of software here that can be used to view ...
17
votes
4answers
8k views

Joining non-spatial CSV file to spatial data (shapefile) using QGIS?

I have a CSV file which has postcode data in a field, but it is non-spatial e.g. no Easting and Northing. I have a shapefile with postcode in a field and some additional data. I want to join the ...
1
vote
5answers
2k views

Can you get the individual segment length from OpenLayers measure class?

OpenLayers has a OpenLayers.Control.Measure class to implement a measure tool. There is a measure and measure-partial event, both which are passed a variable containing the total distance. Is it ...
4
votes
0answers
335 views

Trying to fill polygon fills the entire map

I have been given some shp files to be displayed using Mapserver. Until now I was able to find the correct projections, display the map, and show labels. However, I have problems with polygon colors. ...
4
votes
2answers
1k views

R: overlay a line on a raster stack/brick, and get profile of cell values along the line

I've combed through R's raster functions and vignettes and can't seem to get this working. I want to specify a line/vector across a raster stack (a DEM and possibly related variables), and get a ...
2
votes
4answers
2k views

Table to Table script fails when copying to SDE

Since TBL2SDE no longer exists (we're running a 64-bit server and ArcGIS 10 doesn't include that executable on a 64-bit installation) I've been using the Table to Table script in ArcToolbox to copy ...
10
votes
4answers
804 views

Algorithm to calculate coverage + overlaps from a set of arcs

I have a shapefile containing arcs representing the path travelled by a truck spreading fertiliser onto a farm. Let's say I know the spread width is 30m, i.e. the truck can spread fertiliser 15m ...
3
votes
1answer
478 views

Null values in plugin data source

How do you appropriately setup a plugin data source to allow for null values (in .NET - C# preferred)? I'm currently setting up a field using: field.Type_2 = esriFieldType.esriFieldTypeSingle; ...
2
votes
2answers
2k views

How to recode field values based on field contents?

Is there a convenient (or even effective) method for recoding field values using the field calculator or standalone python script? In this case, I am given several unique strings to identify a type of ...
8
votes
2answers
689 views

What are the Pros and Cons of hstore data type in postgis?

PostgreSQL has a module named hstore that implement the use of key/value pairs (it's something like the OpenStreetMap model, but in a single table). What are the Pros and Cons of hstore regarding GIS ...
4
votes
1answer
3k views

Converting Lambert Conformal Conic to WGS84 using Proj.4

I am attempting to transform data from Lambert Conformal Conic lat/long and I am having some issues with the results. The shapefile I am attemtping to transform can be found here: ...
1
vote
1answer
405 views

Grass GUI integration

Is it possible to embed the GRASS map display to a C# application? I know that a PNG image can suffice but to make the application more interactive it could perhaps be integrated. In essence I would ...
2
votes
1answer
441 views

Oracle tracing, bind variables, and ArcSDE

Oracle tracing with TKPROF is the recommended way to troubleshoot data access performance problems with SDE/Oracle. Unfortunately, queries that differ in any way are considered "different" and ...
2
votes
3answers
330 views

Professional Certificates

Which professional certificates are most desired by employers seeking GIS professionals? Are there any online courses available online that provides certification? Thanks
10
votes
5answers
3k views

installing GEOS, PROJ, GDAL/OGR into a python virtualenv on Mac OS X

I am trying to setup an isolated python virtualenv to work on GIS projects on my Mac OS X. Sounds like I will need to install the GEOS, PROJ, GDAL/OGR from the kyngchaos site here ...
3
votes
4answers
421 views

Migrating from GIS to CAD

There seem to plenty of resources out there to help users of CAD software move to using desktop GIS but is the reverse also true.

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