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Questions tagged [opengis]

OpenGIS is a term used by the Open Geospatial Consortium (OGC) standards organization to describe their open standards for the storage and exchange of geographic data.

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Guidelines for GIS application development

I'm supposed to create a GIS application for my MSc, and I was wondering what are the best free and (preferably) open source technologies for development? What programming language to use for the development of such an application? Known choices…
Joksim
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Generating JAXB classes for http://schemas.opengis.net/wfs/1.1.0/wfs.xsd

I'm trying to use JAXB to generate classes for this schema: http://schemas.opengis.net/wfs/1.1.0/wfs.xsd I downloaded that schema to a local file, and now I'm trying to generate the JAXB classes. First I get this error: [ERROR] Property "Title" is…
Kevin Workman
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How to find if a point exists in which polygon

How to find if a point exists in which given set of polygons ? I have coordinates like polygonA = 1(0,0),2(0,5),3(3,4),4(3,5),5( 2,2) polygonB = 1(10,10),2(10,15),3(13,14),4(13,15),5(12,12) I have a point as (6,4) now want to search if this point…
Jigar Shah
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3
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3 answers

Available GIS toolkits?

We are considering using ESRI's ArcGIS Engine to write an application with some GIS features. The GIS toolkit features that we are primarily concerned with are: 3D visualization: Blend elevation data with raster or vector data. Embed GIS…
Dan Homerick
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How to convert an EPSG coordinate to a latitude / longitude?

I have the following OpenGis data, which I want to convert to a latitude/longitude coordinate (as used by Google maps).
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Arnold Daniels
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1 answer

Why curve is 1-dimensional object?

In "OpenGIS® Implementation Standard for Geographic information - Simple feature access - Part 1: Common architecture" is stated: A Curve is a 1-dimensional geometric object that is the homeomorphic image of a real, closed, interval in the…
Timofey
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1 answer

How does one filter a SpatialIndexFeatureCollection?

When looking at the documentation for Geotools FeatureCollection, the subsection on Performance Options notes: TreeSetFeatureCollection: the traditional TreeSet implementation used by default. Note this does not perform well with spatial queries as…
Rob Cannon
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How to get intersected lines by endPoint or startPoint using filter Geotools

I have a LineString featureSource. For one feature from source I want to take intersected lines by startPoint or endPoint from same featureSource. I tried this for just endPoint: Filter filter = ff.intersects(ff.literal(featureLastCoordinate),…
cgrgcn
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How to adjust the difference between the coordinate from openstreetMap and google map

I have downloaded the OSM from OpenstreeMap that came with all nodes from the map and their respective coordinates. Now I have to plot a node (latitude and longitude) on Google Map, but all coordinates goes in different places than it should be. To…
Roberto Ferraz
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phpmyadmin, MariaDB 10 and Point columns

Trying to edit a column of a table in MariaDB using PHPmyAdmin v5.1.1 gives me trouble. It saves the column as binary and I need to edit the whole row in order to be able to edit it as text. Even doing so, when choosing Edit/Insert next to the…
m33ts4k0z
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How can I store two API values in MYSQL Point

I receive lan and lot data from an API in PHP and extract them from the response with ($jsonData[0]['lat']); and $jsonData[0]['lon']);. How can I add them two my MySQL column location as a POINT value?
timlwsk
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KML with network links and thousands of polygons

I have 8000 polygons that I need to show on Google maps (certain US Zip/Postal codes -- not all of them). I have a "root" KML file that contains 10 network links that divide these zip codes up by region. In those region network links, I have more…
Sean
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1 answer

GeoTools Maven Issue - Import Confusion

I'm following a solution posted here which uses Java to convert square degrees to square metres. I'm having a problem with the maven imports. Specifically, following the GeoTools Maven Quickstart here, I'm still getting Cannot resolve method errors…
Mathomatic
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How to usw TouchXML to parse opengis xls?

I'd like to parse a osm generated xml file. It has got the structure of opengis xls. I really don't know how to parse that with TouchXML. Hope you guys can help me on that… Here's some sample xml code:
danielreiser
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How to output features into a tile with geotools

I'm sorry to ask a question here. I'm new to geotools. Now I need a function to output features into a tile. Function is defined as follows: public Image getTile(FeatureCollection features,Style style,double minX,double minY,double maxX,double…
gollon
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