An object-oriented cross-platform programming language developed by Sun Microsystems.

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1answer
145 views

GWT-OpenLayers - BoundingBox selection

I'm searching for a way to get the bounds of a bounding box a user can drag on a map with gwt-openlayers but i can't figure out how to translate the javascript stuff to the javaside of the wrapper ...
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0answers
221 views

Looking for java (or python) APIs to read shapefiles

Consider a work flow which receives a data field, e.g. “basemap” as shown in the image, and fills polygons with color on the basis of its numeric values. I am interested in java programming to carry ...
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2answers
574 views

Converting WKT to WKB

How can I convert a WKT string to a WKB byte[] in Java using postgis functions? I need to save that WKT string in a postgis database (geometry column. Thanks
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2answers
205 views

How to extract common outline of multiple polygons with code?

I'm not really asking for a chunk of code to do this, but more of an algorithm I can work with myself. For example, this is the state of Maine, obviously, and I have the points of each county ...
2
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3answers
291 views

Making tracking data available to Geoserver

I have tracking data from GPS, which gives latitude, longitude, heading, etc. Right now it's stored in a non-standard database (Accumulo) and I'm looking into how best to make the data available for ...
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0answers
150 views

Hibernate Spatial - Query within an X kilometer radius?

I am new to Hibernate Spatial, and am trying to perform a simple query of objects within a given radius. I've created a number of entries in my database with properties corresponding to a latitude ...
3
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1answer
1k views

How to edit a given version of geodatabase?

I have a versioned geodatabase. Any of that versions are used only by one user. So then user called "XXX" has a version called "XXX". So then now I want to make a changes on given version, but when I ...
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1answer
2k views

How to calculate centroid of a polygon defined by a list of longitude/latitude points? [duplicate]

I've imported some polygons (ways) from OpenStreetMap and now want to calculate the centroids of them. For this purpose I wrote following code: final List<Point2D.Double> points = ...
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1answer
30 views

Restricting access to geoserver module

I built an extension module for Geoserver 2.5 using Maven and Wicket. It places a Label to the left of the navigation list that calls a HTML-Page in Geoserver when clicked. It looks and works as it ...
2
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1answer
234 views

How to modify the coordinates of a SHP geometry using Geotools?

I have a shapefile with some polygons. I would like to change the height for this elements using Java. The rest of the attributes should be the same. I've thought using GeoTools but I haven't found ...
1
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1answer
92 views

ArcSDE Java API: Find centroid of SeShape object?

I've inherited an ArcSDE 9.3 Java app that needs some fixing. The basic task is to find the centroid of a polygon retrieved from an SDE geodatabase, but lately it's been returning the 0th vertex ...
5
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2answers
761 views

Overpass XML query for finding all buildings inside a polygon

I want to run following Overpass QL query in order to get way IDs of all buildings inside a polyon: way(poly:"50.7 7.1 50.7 7.2 50.75 7.15")[building]; >; out ids; Since I'm using the osm-common ...
2
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1answer
226 views

netCDF-java has trouble reading this netCDF file(format) and fetching values from the latlon dimension

I'm developing an application where I need to extract variable-values from netCDF files. I'm processing several different formatted netCDF files and now one format seems to be creating some issues. ...
5
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2answers
106 views

How to read all IDs of all ways inside a polygon?

I have an OSM map of a larger region. Inside that region is a city with a boundary specified by a polygon. I want to retrieve IDs of all ways (ideally - of all buildings) inside that boundary (inside ...
2
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0answers
523 views

Building java based desktop map application using embedded database such as spatialite

I am relatively very new to building GIS based applications and have a very limited understanding in this area. So I need some help in building a java based desktop application which would generate ...
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0answers
173 views

Getting tiles from WMTS document

I was wondering if there is a library which I can use to retrieve TileMatrix/Tile information from a WMTS Capabilities document. I have been trying to use geotools but it seems as though it does not ...
1
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0answers
29 views

How to reproduce the gdal utility programs in Java by GDAL Java bindings [duplicate]

Can anyone tell me how can I reproduce the gdal utility programs gdal_translate, gdalwarp and gdal2tiles in java by GDAL Java bindings? Thanks!
2
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1answer
186 views

Easiest way to read roads, railroads, buildings from an OSM map

I'm prototyping a Java application, which uses an OSM map of a small city. I need to extract from the OSM map the coordinates of roads, railroads, power lines and buildings. At the moment I'm ...
2
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1answer
44 views

How to generate features to test different implementations of LinearRing?

I have some code that throws the following exception: Points of LinearRing do not form a closed linestring and I want to check if my code is calling this correctly by supplying some features that ...
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0answers
138 views

How to use ArcGIS to reverse geocode and get road segment number?

I am now in a project which need to make reverse geocoding , namely ,given the latitude and longitude(assumed that the location is in a street), I want to get the road segment it is located in. What I ...
3
votes
1answer
3k views

How to use OpenStreetMap in Java?

I have a requirement of GIS to be implemented using Java. I have read the developer guide for OpenStreetMap but there is insufficient information for its setup technically. I am completely new to ...
3
votes
2answers
798 views

Merging Shapefiles With Geotools

I am trying to merge some shapefiles with different schemas in geotools. Im aware of ogr2ogr, but for now I would like to figure out this problem with Geotools. The steps I'm taking are: 1) Create a ...
2
votes
1answer
247 views

how to create a web app in java(spring framework) with automated service publishing to the ArcGIS server?

I am a newbie and my requirement is to create a web application in java. The app depicts the data like success, failures of my orgainsation's ventures at various Geo locations. The geo data is stored ...
3
votes
1answer
151 views

How to mark a particular point in MapPanel?

There is a component called MapPanel, which displays OpenStreetMaps. I want to mark some places on the displayed map, without changing the underlying map. Those marked places are identified by ...
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0answers
115 views

Csv To Shape Error

I have found a usefull tool to convert csv files into shape files with geotools: http : // docs.geotools.org/latest/userguide/tutorial/feature/csv2shp.html#create-a-shapefile-from-a-featurecollection ...
2
votes
2answers
349 views

How do I generate SLD programmatically?

Is there any api,pulgin for generating SLD? Note: I want to generate SLD programatically. I have property stored in database from which i would like to generate sld. I also want to generate various ...
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0answers
192 views

GDAL in Java fails on ReadRaster()

To summarize, trying to read a raster keeps giving me an UnsatisfiedLinkError that makes sense, but looking into the compiled GDAL jar, I don't know how to fix. gdal.AllRegister(); TheFile = ...
2
votes
1answer
491 views

Get coordinates of a building with geocoding

I want to get the coordinates of a building with geocoding. At the moment I use the GeoCoder class for android to get from the selected address the coordinates, but these are not corresponding to the ...
0
votes
1answer
268 views

Can I use GeoTools with Gradle?

I am going to implement shapefile uploading from a webform, and ingestion into PostGIS. One problem I am having is that my project is using Gradle for dependency management. I am unfamiliar with ...
1
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2answers
272 views

Where is the open Java client for ArcGIS Server?

Short of hacking the Android SDK into your Java project, are there any Java clients that can consume and work with ArcGIS Server services? e.g. create Feature Sets, Geometries, perform ...
2
votes
0answers
420 views

How to start developing with Jeppesen C-MAP?

I've just downloaded all the contents from the FTP of Jeppesen for their product called C-MAP CM93. I've been reading the documentation contained in the SDK folders, but I can't figure out how to ...
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0answers
41 views

giving a java program access to network analyst calculations

I have a fire department simulator written in Java that simulates a year of fire department responses. There is a Java method/function that calculates time between two coordinates using a fairly ...
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0answers
128 views

Create shape file with point

I am trying to create a .shp file with Point shapes. I am following this tutorial: http://docs.geotools.org/latest/userguide/tutorial/feature/csv2shp.html I create the project, no syntax error and ...
0
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1answer
227 views

getDestinationGeographicPoint() in geotools returns wrong coordinates in South/West

I am trying to calculate a coordinate given an azimuth, distance and start point. If my code uses an start coordinate in North/East quadrant, all goes fine. But, by using 0,0 coordinates, an azimuth ...
3
votes
1answer
316 views

How to parse ArcGIS Server generated output XML?

I have a use case in which I need to parse the XML generated by an ArcGIS server, then push that data to another API. The ArcGIS server sits behind the firewall at our customer's site and exposes a ...
3
votes
1answer
2k views

Difference between ArcObjects SDK for Java and ArcGIS Runtime SDK for Java and ArcGIS Engine

What is the difference between ArcObjects SDK for Java and ArcGIS Runtime SDK for Java and ArcGIS Engine. I have ArcGIS Desktop 10.1 on my laptop. What do I need to create ArcGIS desktop applications ...
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1answer
1k views

OpenLayers - Show a WMS Layer from GeoServer

I'm trying to acesses with OpenLayers code an example of the embedded GeoServer map (the map of tasmania), which acts as a local server on my machine. However, every time I open the .html, the map ...
2
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1answer
652 views

GeoServer - Show Maps in a Application Java

How can I display a GeoServer's Map inside a Java's Desktop Application? I would like to display it inside a Java App instead of a browser. Is this possible?
3
votes
1answer
140 views

Generate WFS-T requests

I want to create WFS-T update/insert/delete requests in my java application. As a result I want to save the requests in XML encoding, as specified by the OGC standard. Does someone know a library ...
1
vote
1answer
894 views

combine several polygon objects in one polygon object with geotools (is it possible)?

I have several polygon objects and I need to "merge (or combine or dissolve)" them toghether into one polygon object. With a GIS tool like Quantum GIS, I do this with Geoprocessing option "Combine ...
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0answers
117 views

Is it possible to load multiple OSM regions in osm2po?

I need to use a few smaller European countries (100MB). Is it possible to do this in osm2po? Or can some other tool be used to merge the maps into one pbf file?
3
votes
1answer
391 views

How to Choose Geoserver and GeowebCache Configuration Options?

I have two Win 2008 R2 Servers currently dedicated to running one instance of Geoserver each. We are looking at setting up geowebcache. Win Servers have 2Gb Ram and they do nothing but run Geoserver ...
0
votes
1answer
67 views

Problem running mvn install for geoexplorer

What's the solution to this: http://www.paste.to/MjU5ODE= I'm getting the same error on Ubuntu 12.04. Installed with: Java 1.6.0_27 (OpenJDK), Maven 2.2.1 and Ant 1.8.2 Is the Ant version the ...
1
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0answers
125 views

Routing from individual start point to individual destination point

I'm doing routing on android using OpenStreetMap. The routing is working well. But the problem is that I do not know how to use the individual points of the user. I use osm2po to convert the OSM data ...
1
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0answers
145 views

Why use C# rather than Java API of ArcGIS Engine (or vice versa)?

I'm going to lead a development of an ArcGIS Engine application and facing the choice mentioned in the title. We have all licenses to develop our application in C#, so Microsoft's licences are out of ...
2
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0answers
409 views

JTS - Java Topology Suite - Calculate radius from a given point

From point A, I want to check if a point B is within a certain radius from A. How calculate it usindo JTS? I tried this: Coordinate posicaoAtual = new Coordinate(-12.974900375893823, ...
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2answers
279 views

Destop application using arcobjects library

I develop a destop application with following environment - 1) Java jdk version 6 update 25 (for 32bit ). 2) Java Arcobjects Library. 3) Window Xp. Its working smoothly on 32 bit Computer , my ...
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1answer
65 views

What does `findCloseEdges` do in osm2po?

I have something like this: int[] edges = graph.findCloseEdges(lat, lon, 1); // returns only one element RoutingResultSegment rrs = graph.lookupSegment(edges[0]); LatLon[] latlons = rrs.getLatLons() ...
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1answer
135 views

Get road type (clazz) in osm2po

Can I get clazz of a segment in Java? For example, RoutingResultSegment rrs = graph.lookupSegment(path[j]) How can I get rrs's clazz?
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0answers
30 views

examples for Text3dElement

i am working in arcgis10. in java. can you all provide me with links to some sample program of Text3dElement. til now what i have implemented is given below Text3DElement td=new ...