Questions tagged [gml]

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

Filter by
Sorted by
Tagged with
-1
votes
1answer
90 views

What is standard for GML?

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 ...
2
votes
2answers
953 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=...
1
vote
2answers
774 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
votes
1answer
628 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.
1
vote
2answers
263 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:...
1
vote
0answers
305 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 ...
1
vote
0answers
184 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/...
1
vote
0answers
242 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"); ...
3
votes
1answer
1k 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....
2
votes
0answers
234 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: Install Productivity Suites v 3.4.1 ...
2
votes
2answers
416 views

Import file format with colors

I am very new to QGIS, so please excuse me if my question seems stupid to you. I have a small question regarding setting manually colors for points and lines. I have a bunch of nodes and vertices to ...
2
votes
1answer
471 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 ...
1
vote
1answer
592 views

GeoJSON and GML WFS not working after GeoServer upgrade

I've recently migrated Geoserver from a Geoserver 2.1 to a clean install of Geoserver 2.5 and copied across my data files. However, I'm not finding that clicking Layer Preview, going to the All ...
1
vote
2answers
2k 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 ...
1
vote
1answer
386 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 ...
3
votes
2answers
1k views

Adding Drawn Feature to existing Layer

-A layer that contains multiple features - I want to draw new features with new OpenLayers.Control.DrawFeature and to add them to my layer. var control = new OpenLayers.Control.DrawFeature(layer,...
2
votes
0answers
175 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
votes
1answer
289 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
votes
1answer
1k 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 ...
2
votes
1answer
205 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 ...
4
votes
1answer
4k 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 ...
1
vote
1answer
781 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
votes
0answers
774 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
vote
1answer
184 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 ...
3
votes
1answer
2k views

Loading external WFS (GML output format) in 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& ...
0
votes
1answer
74 views

GML TimePeriod mapping in MapForce

I made a SQLServer database structure based on an XSD schema I got. In that schema two fields have gml:TimePeriodType. In database I put two columns for each field of this type (begin and end) and the ...
2
votes
1answer
793 views

Transform wkb to gml geometry using FME

Maybe (and probably) this is stupid question, but I am totaly new to FME and geometry conversion. I need to transform WKB field from SQLServer to GML geometry using FME software. How can I do this?
1
vote
0answers
306 views

Parse GML with OpenLayers

In our project we do a GetFeature request to a WFS service. This service returns some GML. To parse this GML, we are playing with the GML parser of OpenLayers. This is working as long the GML isn't '...
1
vote
0answers
387 views

Tutorials related to the transformation of building geometries from CityGML to KML/Collada?

I have some 3D building geometries in CityGML that I want to transform into KML/KMZ. Apparently the way KML works is to build the geometry in Collada and do the georeferencing in the actual KML file. ...
0
votes
2answers
259 views

Consuming gml generated by sql server As.GML()

Sql server has a method As.GML to produce GML file from geography/geometric type. Is there a good example to utilize this GML on other mapping platform such as QGIS? I have ask a related question here,...
2
votes
1answer
1k 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
vote
1answer
314 views

Simple georeferenced 3D data format for building models

I am looking for a simple georeferenced 3D-data format to store very simple building models. Each building should be represented as a number of poylgons, semantics do not matter. It would be ideal if ...
4
votes
2answers
1k 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:...
10
votes
2answers
4k views

Remove unneeded columns from geographic data file?

I have some GML data that has some unneeded columns in it. I'd like to remove these columns in order to reduce the file size. (To clarify: I mean that the file has many points in it, and each of these ...
1
vote
1answer
232 views

How to compose WFS GetFeature link from WMS capabilities definition?

This publication of geoinformation provides download links for GetCapabilities documents via WMS. The platform also runs a WFS service as can been seen here. I wonder if it is possbile to compose a ...
2
votes
1answer
386 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-...
2
votes
2answers
806 views

Saving a gml layer does not change coordinates

I am trying to export a gml layer to geojson with lat/lng as the preferred coordinate system. So what I did was a 'save as' on the layer with selected CRS: 'IGNF: WGS84G'. Now I was hoping it ...
0
votes
2answers
4k views

Converting gml to geojson using Python and ogr with geometry transformation? [closed]

Does anyone have an idea how to convert gml to geojson (with attributes) using Python with ogr bindings? It should be possible to transform geometries to different coordinate system. I can not use ...
1
vote
1answer
1k 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 ...
3
votes
4answers
4k views

GML Parser for C++/Java/…?

I am looking for a good parser for the latest GML (Geographic Markup Language) version in preferably: C++/Java/Ruby/... I am especially interested in reading the geometry of individual features. Does ...
1
vote
0answers
78 views

OpenLayers2 - Get LayerName from GML Response object

I am using the WMGetFeatureInfo control in OpenLayers to select items from my layers and return GML. I use this to get an attribute from the GML; var val = evt.features[0].attributes.UID; //Where ...
1
vote
1answer
1k 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/... ...
6
votes
3answers
881 views

Linux Tool to visualize CityGML file

I am looking for a linux program that allows me to visualize CityGML models (3D). I have tried a whole bunch so far (most of them via wine but also native ones) but I couldn't get a single one of them ...
4
votes
1answer
159 views

What is the best format to encode polygons such as lakes?

I am looking for a standard format to encode polygons, such as lakes, in one file that is easy to create and common so that others can use it in different GIS systems. Every file will contain data on ...
1
vote
2answers
2k views

Exporting 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....
1
vote
0answers
64 views

Problem with Taverna?

I want to use Taverna to call an OGC WFS, and the file returned from WFS is GML, but what I want is SVG, so I have to convert GML to SVG by using Taverna. The Method I used ExecuteProcess_gml2svg, ...
3
votes
1answer
1k views

How to write GML and GeoJSON features while retaining attributes in .NET?

I am developing a .NET project [C#] that needs to export/write features as GML and GeoJSON, including, of course, the attributes; data could queried by a database or manually entered. I checked ...
0
votes
1answer
94 views

GML Simple Feature compliance test

I'm in the process of defining a GML schema from a database schema, the idea is for it to be GML simple feature compliant. However I can't find a way to confirm this compliance other than reading the ...
1
vote
1answer
3k views

OS Vectormap GML files into PostGIS

I am having difficulty in efficiently dealing with OS Vectormap data that comes in GML format. In the past I used the Plugin for QGIS (OS GML Tools) to batch convert folders of compressed GML (.GZ) ...
2
votes
1answer
2k views

Programmatic conversion between GML and GeoJSON

I am modifying a .Net (C#, MSSQL) system to add some geography that I'd like to display on a leaflet map. I had originally expected to save GeoJSON directly into text strings in the DB, but after ...