Geography Markup Language (GML) is an OGC Standard for expressing geographical features.

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2
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1answer
381 views

OpenLayers WPS function fails in IE

I am making a WPS call in OpenLayers which works successfully in Chrome and Firefox but not in IE9. The response from IE tells me "Process failed during execution\nCould not convert to target type ...
6
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2answers
2k views

Why can't I edit KML/GML layers?

Newbie here confused by my first experience in QGIS I have a handful of lines defining a bike route. Originally they were saved in a .gml file and later translated into .kml so they could be viewed ...
10
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3answers
336 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 ...
4
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1answer
451 views

Is there an XML equivalent to GeoJSON?

In my web application, I am retrieving geospatial data from a server backend (Java) to the browser frontend (JavaScript). I am considering two options of how to serialize the data in this ...
1
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1answer
546 views

OpenLayers GML Polygon Performance

I'm working on a project where we have a large number of very detailed polygons being displayed on a image using Openlayers. The polygons are added to the map through a GML feed. We are having end ...
2
votes
1answer
801 views

What does “Error when writing Schema: A unique destination featuretype name could not be generated for” mean?

I have a bunch of GML datasets which I need to import to Esri featureclasses. I am using the Data Interoperability extension for ArcGIS, which should support this. However when trying to import my ...
3
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2answers
4k views

How do I convert GML to ESRI featureclasses?

I have a series of xml files containing gml tags such as : <gml:posList srsDimension="2">454780.3125 525867.9375 454762.0625 525994.5625 and I need to convert these into esri featureclasses. ...
1
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3answers
186 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 ...
4
votes
4answers
401 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 ...
1
vote
1answer
561 views

How to update GML layer without reloading local file?

I set up a GML layer with local GeoJSON file as data source: veclayer = new OpenLayers.Layer.GML("vector", "localfile.json", { format: OpenLayers.Format.GeoJSON, strategies: [new ...
9
votes
2answers
916 views

Storing GML surface in PostGIS

I'm using PostGIS 2.0.0 and would like to store a GML Surface in a way that allows calculating intersections between that surface and various points and lines. In my case, the Surface will have one ...
3
votes
1answer
264 views

How to show one to many relationships in GML from GeoServer/Postgis?

I am just figuring out how to use GeoServer and Postgis. I am using the States.shp example that came with GeoServer, and I have uploaded that into a table into the Postgis database. I have created a ...
9
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2answers
975 views

Why does one part of GML -> KML conversion not work on Google Maps?

Brand new to all of this, not even sure this is the right forum to ask in... I have a client who wants to visualise cancer incidence and mortality rates by local/unitary authority across Great ...
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votes
2answers
2k views

Why is my JSON not appearing on my webpage?

Greetings lovers of GIS, I came across this error whilst doing my JSON file. "Error in loading GML file" Everything works fine in localhost but dramatically wrong in my server. Any helping hands? ...
3
votes
1answer
274 views

Polygon Shared Boundaries in GML

Last week I was told on a phone conference that GML supports shared boundaries in Polygon's. I have been unable to find any documenatation to substantiate the claim. Here is the situation: I have a ...
7
votes
3answers
3k views

How to import/export geographic information (gml or csv file) to geodatabase?

I am searching for C#/Java libraries that can import and export geographic information (gml/csv file formats) from and to geodatabases. If not yet available, is there other way to do this task? Any ...
1
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0answers
94 views

Getting started with storing LoST and GML searching

I am working on a logging and search database application. The application will receive event records containing XML LoST values (RFC5222 Location-To-Service-Translation). These records will be ...
5
votes
1answer
321 views

Experience with Geoserver's GML Extension

I'd like to know if Geoserver's GML extension works (well) with GeoServer 2.1-RC2 and whether it will enable uploading of GML files via REST API.
4
votes
0answers
465 views

Why doesn't the gml 3.1.1 schema validate with xmllint?

Running xmllint on the gml 3.1.1 schema fails, even though the release notes claim that this release was created to get the schema to validate using 'common tools'. There's questions about this on ...
0
votes
1answer
193 views

In what form should make requests to geoserver gml file from javascript?

In what form should make requests to geoserver gml file from javascript?. I have made this question, but neither on nor XMLRequest jquery and have downloaded some of geoserver, geoserver values ...
2
votes
4answers
785 views

How do algorithms load pieces of maps?

If the user moves the mouse pointer to the top left corner of the screen, I want my software to auto-load the three tiles that are closest to the mouse pointer. My assumptions are that the smaller are ...
12
votes
6answers
2k views

What's an efficient way of detecting road junctions on a map?

I may receive maps from any source for my project, and for the C++ algorithm I'm making, it's imperative for the algorithm to know where road junctions (nodes where more than two road segments meet) ...
2
votes
1answer
722 views

how to download a file from geoserver gml from a url using javascript?

how to download a file from geoserver gml from a url using javascript? I'm doing a web application with javascript, but I could not download files from geoserver, the url given entry does not bring ...
7
votes
2answers
3k views

How to convert GML Surface to SHP Using OGR?

I have a very large .gml file with multiple layers in it. I would like to export one of these layers to .shp. It is a polygon layer (of lakes). However, I am getting the error: ERROR 1: ...
7
votes
3answers
3k views

How to write GML with Geotools?

I'd like to write GML using Geotools. Unfortunately, I can't find documentation on a GML Writer (except for this one from 2006: http://docs.codehaus.org/display/GEOTOOLS/WFS+++GML+DataStore). Could ...
7
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5answers
713 views

Tutorials for UML/GML

Do you know any good tutorials or any resources for learning from the beginning UML and GML ? I am asking because (later) i would like to learn how to make a application schemas in context of ...
3
votes
1answer
506 views

Is there a Java library to load data from a WFS server?

I am writing a java client to display remote GIS data. I want to load data provided in GML by a WFS server. Do you know a java library I could use for that?
3
votes
1answer
2k views

OpenLayers.Format.GML.parseFeature() with GML v3 data

I have a partial GML object with the geometry type polygon. The GML version must be 3+ since the coordinates are wrapped in the gml:posList tag: <gml:Polygon srsName="EPSG:25832" ...