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

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Skip a specified input layer in ogr2ogr

I am using ogr2ogr to load data from multiple GML files into PostGIS. As shown in the ogrinfo output below, each GML file has multiple layers. Had to open data source read-only. INFO: Open of `D:\...
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0answers
19 views

How WCS returns GML to Client?

I have searched many information in Internet but don't know for example how to implement a WCS service like GeoServer. I suppose they a Geo Sever need to use some (GML Schema like version GML 3.2.1 to ...
0
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1answer
56 views

Merge adjacent polygons

I want to write software that merges groups of (mainly) adjacent polygons. For example, merge the US counties into sales regions. Then, display either the boundary of these sales regions or fill them ...
4
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1answer
479 views

How to get a GML overlay on Google Maps?

Anyone know how to get a GML file to show as an overlay on Google Maps? To be honest I don't know my GML from my KML, or my ETRS89 from my WGS84, as this topic is completely new to me. A bit of ...
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0answers
242 views

Loading GML files to Mapinfo

I'm currently using MapInfo 12.5, I need to view certain gml files that I get (.gml format) using Mapinfo and use it to manipulate different layers. When I try to use the inbuilt "Import table" in ...
4
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0answers
326 views

Can GeoTools parse GML CRS definitions?

A kind of branching of this question. Soon I will need to handle GML Coordinate Reference Sysyem definitions in a Java servlet. Links: GML OGC reference. Concrete example. I know that GeoTools ...
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0answers
49 views

Load gml strings from an excel file

I have some gml strings in an excel file (example: gml:Point xmlns:gml="http://www.opengis.net/gml" srsName="xx" srsDimension="xx" gml:pos xx /gml:pos /gml:Point). I want to load these in ArcMap, but ...
6
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3answers
4k views

Convert GML to GeoJSON

I have downloaded a GML file from Statistics Canada and would like to convert it into GeoJSON to use parts of it in a D3 visualization on the web. However, I did not find a converter that would do ...
1
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1answer
339 views

GeoServer WMS OGC-filter fails with “I dont understand the tag: gml:Polygon”

I'm trying to construct an OGC filter to pass to a WMS GetMap request to GeoServer but I can't seem to do it. The goal is to show the parts of the layer that intersects with a supplied polygon. ...
0
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0answers
451 views

How to load GML to OL3?

I'm trying to load gml into openlayers3 there is the code: <html> <head> <title>Vector layer example</title> <link rel="stylesheet" href="ol3/ol.css" type="text/css"...
2
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1answer
812 views

Upload KML / GML / GeoJson to Geoserver through Rest API

What is the best option, if any, to upload a vector format like GeoJson, and or GML to Geoserver? The environment from which to upload will be a client web-application, so i cannot use curl. In the ...
1
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1answer
357 views

Creating Polyline from GML using PyShp?

I have a problem in creating some polylines in one Shapefile with PyShp 1.2. The plan is to read a GML file containing LineStrings and create a shapefile. The theory is clear, but the realworld is ...
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0answers
291 views

Problem with ST_IsValid: Unknown geometry type: 9 - CompoundCurve

The following is an example of a gml:Curve that was loaded into Postgres using FME. <gml:Curve srsName="urn:ogc:def:crs:EPSG::27700" gml:id="os.vmd.ny.38124.geom"> <gml:segments> <gml:...
1
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0answers
65 views

ogr2ogr: export intersected gml using shapefile

I'm trying to do the same as the ogr2ogr example given by http://gis.stackexchange.com/a/119404/6458 The difference is that my inputs are a GML and a shapefile. Export.shp should only contain the ...
1
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2answers
541 views

Exporting XSD from GML using QGIS or ArcGIS for Desktop?

I want to export a XSD from a GML. I already have the GML and I want to export a XSD that fits the GML For an ETL tool we've programmed, people have to deliver a GML, XML and XSD. Those people ...
2
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3answers
2k views

How to merge several GML files into one

I have a folder of GML files that I want to be able to merge to create one GML file that I can then view. I have tried this using the code described but searching for GML in this website without ...
2
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0answers
252 views

Validate a gml file

I receive a gml-like response from a RESTful Web service. It looks good for me but I can not imported in QGIS. Is there an online validation tool for a valid gml file? Or am I missing something for ...
1
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2answers
145 views

How to request paginated or filtered data from WFS 2.0?

I want to download a data set from a WFS 2.0 server via HTTP GET, with curl for instance. $ curl -X GET http://example.com/wfs/?service=WFS&request=GetFeature &version=2.0.0&typeNames=...
0
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1answer
27 views

What is the standard for GML? What fields are standard/required

I'm pushing some GML data into a Web Feature Service. And I want to keep to the GML/WFS standards when pushing my data. Could anyone point me towards a document that shows me this. Or a quick ...
5
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2answers
6k views

WFS Request Layer (GML) with Filter

Is there a solution to request the GML layer from Geoserver with filter like using bbox: http://localhost:8080/geoserver/tiger/ows?service=WFS&version=1.0.0 &request=GetFeature&typeName=...
2
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1answer
238 views

Creating a postgis database a GML application schema

Is there any open Source tool(automated or semi-automated) that converts GML application schema to a POSTGIS database/table .Specifically I have a huge application schema containing many feature-...
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2answers
171 views

Getting attribute table from WFS data source

I am attempting to get some WFS 2.0 INSPIRE data from the Finnish meteorological institute into a table format of some kind. Is there any software which can easily grab the attribute data for the WFS ...
-1
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1answer
119 views

sample xsd files from geographic sources

Where can I download sample xsd files for different features like road,rail,river,land etc.I need them urgently for checking the working of my project which works on the schema of geographic data.
4
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2answers
353 views

Read an INSPIRE GML in QGIS2.0 : gml:xlink resolving

I'm trying to read an INSPIRE GML, which contains internal and external links between the elements. I saw on the GDAL site that we can set environment variable in order to load this link in QGIS (http:...
1
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1answer
753 views

How does ArcGIS Desktop recognize WMS CRS?

I'm using ArcGIS Desktop 10 and working on a WMS service with Mars data. Currently the GetCapabilities shows <SRS>EPSG:4326</SRS>. I assume ArcGIS 10 reads this and therefore the WMS has ...
12
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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) ...
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2answers
62 views

PostGIS ST_GeomFromGML giving strange result

I'm currently running Postgres 9.1 with PostGIS 2.0. I am trying to create a polygon geometry from the following GML: <gml:Surface gml:id="ID_63_1413425013514_23322" srsName="urn:ogc:def:crs:EPSG:...
4
votes
4answers
3k views

What are the advantages either way between GML and Shapefiles?

After a good start many months ago of getting into GIS through QGIS, I had to drop what I was doing and did not touch it for quite some time. I am now able to get back into it and have a need to load ...
1
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0answers
119 views

JTS Geometry to GML3.1 encoding

I searched all the internet and I didn't find a solution to my problem. I want to convert a JTS geometry to a GML3.1 geometry. Geo tools says that have support but the have not (please check encode ...
0
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2answers
676 views

How to publish a GML file as a Web Feature Service (WFS)?

I am interested in publishing a GML file as a WFS. I don't want to use a database like PostgreSQL. What would be the rough steps I need to do for that? I like to use open source software (geoserver). ...
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0answers
70 views

How to load ALKIS (GML3) data in GeoTools

I wonder how I can load ALKIS GML (German gov geo data) in GeoTools. Here is a small sample dataset from the government: http://www.schleswig-holstein.de/LVERMGEOSH/DE/Service/Download/Testdaten/...
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0answers
67 views

Disabling XML schema when using GML3 decodeFeatureCollection in GeoTools

I wrote some code based on http://docs.geotools.org/stable/userguide/library/xml/geometry.html#id6 GML gml = new GML(Version.GML3); try { InputStream in = new FileInputStream("file.gml"); ...
1
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1answer
405 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
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1answer
269 views

How to get GML layer CRS with OGR Python?

I have a GML layer obtained from a WFS that looks like this: <wfs:FeatureCollection xmlns:ms="http://mapserver.gis.umn.edu/mapserver" xmlns:wfs="http://www.opengis.net/wfs" xmlns:gml="http://www....
1
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1answer
761 views

How to export a geojson file with correct order of coordinates?

I was testing rendering of data via GitHub in geojson format, because I wanted to use it for INSPIRE data. INSPIRE data are in GML 3.2.1 format. I've downloaded one of datasets from http://services....
2
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0answers
78 views

Converting GML to Geodatabase format by using Productivity Suite software

I am using ArcGIS desktop 10.2 version and would like to import MasterMap Integrated Transport Network from Digimap to ArcGIS, So I was following the steps: 1 Install Productivity Suites v 3.4.1 2 ...
1
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1answer
541 views

Editor to work on GML files

I am looking for a good way to work on GML files and would appreciate some personal experience. At the moment I am using nXML or SGML mode for Emacs but I wouldnt mind having an IDE/Emacs mode/... ...
1
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2answers
2k views

How to batch convert Shapefiles to GMLs?

I know how to do this within Quantum GIS but I have 30+ shapefiles that need to be converted to GML. Is there a Python script sample or plugin for Quantum GIS that I can use to convert my shapefiles ...
2
votes
1answer
181 views

PostGIS GML round trip confusion

I've investigated the issue of coordinate order in GML and each time I think I've got it but I find my self confused once again. I think some of my confusion may be to do with PostGIS. Doing a ...
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0answers
88 views

GML code with two objects

I have two objects to encode in GML: A road (Name: E22, Type: Motorway, Geometry: Line) A municipality (Name: Lund, Inhabitants: 100 000, Geometry: Polygon) My code is writen as below. Can ...
2
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1answer
102 views

Correct syntax for retrieving features from GML format in OpenLayers

Yesterday I made with qgis the shapefiles of my town and now I wanted to add them in a web application I'm making with OpenLayers. The problem is that, while it loads them perfectly with the wms ...
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0answers
696 views

How to load an external WFS (GML output format) in a Leaflet map?

I need to build a Leaflet map loading data from this external WFS service http://wms.pcn.minambiente.it/ogc?map=/ms_ogc/wfs/Numeri_Civici_2012.map&service=wfs&request=getCapabilities with ...
1
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0answers
171 views

QGIS 2.4.0 doesn't support multiple types of geometry in GML file

I'm testing GML 3.2.1 data according to INSPIRE Data specification (version 3.0). Data for theme Cadastral Parcels shall have both polygon geometry and definition point. When I download data from my ...
2
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1answer
148 views

Storing the GML application schema in postgres

I have to store the application schema for a GML file which is in Xsd format in PostgreSQL table. I want to use the ISO standards for that. From what I have searched I think ISO 19109 has to be used....
2
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0answers
44 views

extraction of metadata from gml file

I am in the need to extract metadata in XML format from a gml file following the standard ISO 19115 Can anyone suggest to me how to do that Is there any open source for the same
2
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1answer
402 views

How to create a shapefile or gml from a Oracle database using SDE.ST_Geometry?

I have a ORACLE database 10g(Oracle Database 10g Enterprise Edition Release 10.2.0.3.0) with a SDE.ST_Geometry field and i want to make a program in python so i can create several shapefiles based on ...
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1answer
403 views

Using FME to convert a MapInfo TAB to GML with style attributes

I have a FME transformer that converts MapInfo TAB files to GML. What I would like is for the pen colour, pattern and width information to be brought across to the GML somehow. It really doesn't ...
2
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0answers
302 views

Import GML data in SQL Server Spatial

I have GML file with Application Schema whose data I need to import into SQL Server Spatial. I have been creted database structure with all thing that I need in database, and now I need to fill it ...
1
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1answer
89 views

Unable to inspect GML file

I use FME to make GML file based on SQLServer data. When I create GML, I cann't see anything in FME Data Inspector or Universal Viewer. Like something is missing in file. I have schema, and ...
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0answers
44 views

Creating hierarchy of Feature Elements in MapForce

I use FME to translate SQLServer tables into gml document. In FME, I make one-one connections (every feature type produces new feature type in output). This document is not 'structured' as I want. ...