A geospatial standards organization known as the Open Geospatial Consortium

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11
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4answers
611 views

Is there an exhaustive, searchable catalog of all GIS web services (e.g. OGC WMS/WFS, REST, SOAP)?

Many of us have struggled to get a list of GIS services that are available on the internet. Specifically map services that expose OGC based interfaces like WMS, WFS or Web Service interfaces like ...
10
votes
3answers
347 views

What does it mean “GML is an XML grammar”?

I'm trying to get my head around the theoretical side of XML and GML. The OGC web page for GML states that: The Geography Markup Language (GML) is an XML grammar for expressing geographical ...
10
votes
2answers
1k views

How to secure WFS services?

first time posting here.. Im currently tasked with finding a way to deploy wfs services to a number of clients. The services could be consumed by both desktop GIS software eg. MapInfo/ArcGis or by ...
9
votes
1answer
260 views

Driving Zone Computation using Web Processing Services

I am currently evaluating different OGC Services(WFS,WMS and WPS) for driving zone computation. As I am new to WPS services, I would like some suggestions regarding which OGC services to implement. ...
8
votes
2answers
1k views

Should I use WFS, WMS or SOS considering performance and security?

My task is to develop a web application which will visualize the temporal data on map and produce a kind of data flow (or animation) from the images/data which have been received from server. For ...
8
votes
3answers
208 views

are there UML models of the OGC standards available online (native files not pdfs)

Last time I checked, there were only PDFs with class diagrams available on the net (downloadable for at least 140 swiss francs a piece) , but not the UML models in a native format of a database ...
8
votes
1answer
533 views

What options are available for free Web Processing Service (WPS) client?

A number of products seem to be implementing the server side of the OGC Web Processing Service (WPS 1.0.0) and these are listed here. However, for the client side there are fewer options. Has ...
8
votes
1answer
272 views

Why is the OGC Symbology Encoding standard not being implemented and is SLD an alternative?

I searched exhaustively over the internet as well as at this How to export Symbology from ArcGIS to Microstation or QGIS? but didnt find a satisfactory answer. Hope to get the answers from the experts ...
7
votes
1answer
260 views

What are the differences between the OGC and ISO WKT/WKB specification?

Are the OGC-Simple feature access and the ISO (ISO/IEC 13249-3:2011 "Information technology - Database languages - SQL multimedia and application packages - Part 3: Spatial") significantly different ...
6
votes
4answers
2k views

How many WFS-T clients exist?

I would like to know which applications or libraries (proprietary or open source) offer transactional Web Feature Service (WFS-T) client functionality. Those include: Desktop or online applications ...
6
votes
2answers
2k views

OpenLayers filter: OGC (xml) or CQL?

While having not used filtering that much in OpenLayers, we are discussing which type of filtering we should use: The OGC XML filter or the more simple CQL filter? Are one of them more appropriate ...
5
votes
1answer
136 views

How to display some Ushahidi's layers (WFS) in my Web portal?

I'm working on a VGI Web portal. I'm using OpenLayers and the application is running throw the TomCat server. I would like to know if it's possible to display layers from Ushahidi or others VGI tools ...
5
votes
1answer
1k views

STGeomFromText not working on large polygons

I'm using Microsoft.SqlServer.Types to do intersections on polygons. SqlChars scFullSwath = new SqlChars(new SqlString(fullSwath)); SqlGeography fullSwathGeom = ...
4
votes
1answer
2k views

What's up with the GeoJSON spec and CRS as a IRM?

I'm writing a web API to our GIS data, currently revamping our geocoding service. I'm creating the option for folks to specify the output type as GeoJSON so I'm trying to follow the spec. Our data is ...
4
votes
3answers
2k views

Is it possible to make OGC WMS/WFS look like a ArcGIS Server layer, including functionality?

ESRI contacted me about this question. After a good talk the conclusion was that it is not wise to build a wrapper around WMS/WFS because of possible changes to the REST interface of ArcGIS Online ...
4
votes
1answer
193 views

Geometry Operands - BBOX vs Within - What's the difference?

What is the difference between the "BBOX" and "Within" spatial operators. Can anyone please shed some light?
4
votes
1answer
91 views

Is there public OGC Catalog Service (CSW) available which lets ArcGIS for Desktop with CSW Client Add (WMS) To Map?

This is a follow on from a Question that I asked last year entitled Is there a public OGC Catalog Service (CSW) available?. That Question has an Accept-ed Answer but I would now like to expand upon ...
4
votes
1answer
354 views

How to automate downloading “slices” of data from Web Coverage Service (WCS)?

I'd like to automate downloading "slices" of data from a WCS service. This is a WCS 1.1.2 service, supporting netCDF. The data are updated daily - forecasts from an atmospheric regional model - and ...
4
votes
1answer
283 views

Are there any Geospatial OData Feeds?

I see that OData V3 has support for geospatial types. Has anyone published a feed that uses the new geospatial data types?
3
votes
3answers
870 views

Open .NET implementation of the OGC Geometry Object Model from Simple Feature Access 1 specification?

I am looking for a .NET implementation of the geometry object model described in OGS's Simple Feature Access, Part 1 specification. Preferably lightweight. I don't need WKT support, just the ...
3
votes
2answers
3k views

OpenLayers: Combine multiple OGC filters

I have two OGC filters client side: <ogc:Filter xmlns:ogc="http://www.opengis.net/ogc"> <ogc:PropertyIsEqualTo matchCase="true"> ...
3
votes
1answer
608 views

Are these two OGC WKT projections the same? And if so, why are their reference strings different?

So here is the .prj text of a federal shapefile dataset of all public airports in its native OGC WKT format: ...
3
votes
1answer
159 views

How do I allow users to download a GeoTiff on my web map

I am hoping to get help with what I need to do in order to allow a user on my OpenLayers map to download a portion of a GeoTiff they are viewing through a WMS. The data is hosted through GeoServer. I ...
3
votes
1answer
332 views

SQLServer generating invalid WKT

I am a GIS novice using SQL 2008, with C# and the NetTopologySuite WKTReader type to work with some geometries. I have some data which I have been able to save into the database but when I read back ...
3
votes
2answers
259 views

ArcGIS Desktop - Web Services Definitions

Aside from .LYR files, is there a file format (preferably open) for defining web service endpoints for Arc products? For example, if I publish a WMS feed, can I provide a downloadable resource for ...
3
votes
1answer
32 views

What is the OGC way of representing Related features?

I have a point shapefile of Persons (The point is located at the registered address of the person) and a polygon shapefile of parcels. There is an owner_id attribute in the parcels shapefile, which ...
3
votes
1answer
400 views

Reading OGC geometry data from SQL server using R

I would like to write a script in R that creates a map using OGC geometry data that is stored on a Microsoft SQL server. Is there a way to read OGC geometry data using a query passed from R? Maybe ...
3
votes
1answer
141 views

OGIS Ole Db provider sample with read/write capability

I'm trying to determine what level of effort would be required to develop an OGIS Ole db provider for ArcGIS. There is a sample that is read-only. I would like to be able to edit featureclasses in ...
3
votes
1answer
238 views

MapServer SOS (Sensor Observation Service) Configuration

I tried to set up MapServer SOS but I faced a problem: the SOS doesn't return anything. You may see the map file I have created below: MAP NAME "SOS_DEMO" STATUS ON SIZE 400 300 ...
3
votes
0answers
70 views

Servers that implement OGC Geo/Time OpenSearch

The OGC is close to publishing the "OpenSearch Geo and Time Extensions", which can be downloaded from http://www.opengeospatial.org/standards/requests/116. That specification is based on, but extends, ...
3
votes
0answers
177 views

ArcGIS and SqlServer.Types: Does feature.Shape.SpatialReference.FactoryCode == srid?

I created a test implementation of the ESRI Geometry to WKT recipe provided by @SagebrushGIS. It seems to work great, but I'm wondering if the SRID value expected by Microsoft.SqlServer.Types ...
2
votes
6answers
4k views

Is there a public Web Map Tiling Service (WMTS) available?

Does anyone know of an "almost always available" service URL for a public facing Web Map Tiling Service (WMTS)? I'm keen to test WMTS client capabilities without having to configure a WMTS server.
2
votes
1answer
52 views

ArcGIS layer format

am I correct in saying that the ArcGIS layer format for styling maps (*.lyr) is not an OGC approved format? And this is the reason that QGIS cannot read the *.lyr files? Thanks Antonio
2
votes
1answer
59 views

What is the correct spelling: CSW or CS-W?

In different publications I read sometimes CSW or sometimes CS-W for the standard of transferring metadata-documents. What is the correct 'official' spelling?
2
votes
1answer
188 views

Any source code for converting an infix filter to a WFS filter?

A WFS GetFeature query looks something like this: ...
2
votes
1answer
673 views

Convert SqlGeometry data from SQL directly to Tiles / PNG file

I would like to know a basic method for 'exporting' SqlGeometry data from SQL Server 2008 to a Tile Server / PNG File generator. I already have a Silverlight Map application which uses a Custom Tile ...
2
votes
1answer
264 views

What resources are there to create a WPS from a web app?

I am developing a web app using the Weight of Evidence method and I need to create a web processing service out of it or enable it for web processing services. The code is in C# and includes an ...
2
votes
0answers
129 views

How to Create database using OGC compliant geometries and Custom type Geometries?

I am interested in storing geometry attributes in a PostGis database, so that it would be OGC compliant, along with OGC compliant geometry types like point,line, linestring, etc. I also wanted to ...
2
votes
0answers
92 views

How to get a Feature with a srsName?

This is a duplicate asked on AutoDesk Forum. If I form a request like this: ...
1
vote
2answers
230 views

How can I centralize QGIS connections for multiple QGIS installations

I have multiple computers with QGIS installed on them. I regularly use the same WMS / WFS services. Now I have to connect to these services for each QGIS installation separately. It would be great ...
1
vote
2answers
639 views

Is there a public OGC Catalog Service (CSW) available?

Is there an "almost always available" service URL for a public Catalog Service (CSW) available anywhere? I'm keen to test CSW client capabilities without having to configure a CSW server.
1
vote
1answer
337 views

Can use of GML Simple Features profile by Web Feature Service (WFS) be advertised?

The ArcGIS 10.1 documentation on Working with WFS services says: The GML Simple Features profile is recommended for use with ArcGIS and is the basis for WFS support in ArcGIS. Is there an easy ...
1
vote
1answer
905 views

Anyone try generating C# classes from http://schemas.opengis.net?

I'd like to generate gml/wfs/wms classes from the OGC schemas. Using xsd2code I receive numerous errors, one of them being "Invalid particle derivation by restriction". I'm curious is anyone has ...
1
vote
1answer
266 views

Can I create OGC Services via Geoserver automatically?

I am new to GeoServer and wonder how I can create OGC Services via Geoserver automatically. I have to publish my data (Shapefiles) with a Java program as OGC Services. How can I do that? BTW: I ...
1
vote
1answer
118 views

Making my GIS application OGC compliant

We have a stack of open source software's which we use to build a GIS. We would like to align our application to OGC as much as possible. I visited the site and read about the standards. Now my ...
1
vote
1answer
280 views

GeoServer Transformation Function (Categorize) Problem

I'm trying run three filter functions(Recode,Categorize,Interpolate) described at the bottom of this page http://docs.geoserver.org/stable/en/user/filter/function_reference.html Recode and ...
1
vote
1answer
381 views

Desktop client symbolozing a WMS layer by sending SLD to the WMS server?

Objective is simple: finding 'desktop software' (such as ArcGIS, QGIS, etc) that can load a WMS layer, and then send its own SLD to apply to the WMS server in order to get the WMS layer back with the ...
1
vote
1answer
89 views

OGC webservice engine like geoserver in .NET

In java there are a lots of third part libraries which can used to create OGC webserivce like wcs/wfs/wms etc. However I have not found anything similar in .NET. We are currently using ArcGIS ...
1
vote
1answer
499 views

OGC WMS Validation

We're trying to validate our WMS server with OGC standards,to do so OGC has a test page available. Here,only stacked on a single error wms:profiles-basic-1 (View Details): Failed When we look ...
1
vote
0answers
27 views

C++ parser for OGC Filter Encoding 1.0

I'm developing a C++ application and I have to parse a OGC Filter in order to implement querying functionality on a metadata repository. Does anyone know any C++ library to parse OGC Filters? Thanks. ...