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

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5
votes
2answers
828 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 ...
1
vote
1answer
96 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 ...
2
votes
1answer
189 views

Create image (TIFF/PNG) from geodetic (lat/long) data

Using Java, I need to render a bunch of geodetic data to an image, ideally TIFF or PNG. Specifically this is weather data, with each sample having a latitude, longitude, and amplitude value. I'd like ...
2
votes
1answer
262 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. ...
2
votes
0answers
545 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 ...
2
votes
1answer
357 views

geotools parsing kml with multigeometry only gives me first geometry

I'm trying to parse the states.kml file (http://docs.geotools.org/latest/userguide/_downloads/states.kml) on the geotools website using the following code: Parser parser = new Parser(new ...
5
votes
2answers
109 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 ...
1
vote
0answers
184 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 ...
0
votes
2answers
424 views

storing images in mysql from WebGIS applications

I'm a complete amateur at writing code. I would like to make an application for storing LNG, lat, and other data, as well as images in mysql. I've set up, I made a separate application for storing ...
1
vote
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!
1
vote
0answers
146 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
4k 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 ...
2
votes
1answer
193 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 ...
1
vote
0answers
138 views

Interpolating shapefile of points to grid using Java?

I am looking for a method/prog/library(java) to interpolate points from a shapefile to a grid (file). I have seen arcgis can do that but i am looking for something free. More specific: i have ...
3
votes
1answer
161 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 ...
1
vote
0answers
121 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 ...
1
vote
0answers
209 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
2answers
375 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 ...
2
votes
1answer
563 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
326 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 ...
0
votes
0answers
133 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 ...
1
vote
2answers
292 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 ...
1
vote
0answers
42 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 ...
0
votes
1answer
243 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 ...
1
vote
1answer
2k 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
votes
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 ...
2
votes
1answer
700 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?
1
vote
1answer
82 views

Redcap Shapefile Error

For some reason I am unable to import shape files in the form of point data to REDCAP. Do these data points need projected coordinate systems? I am aware that the sample size is 500 when double ...
1
vote
1answer
1k 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 ...
3
votes
1answer
153 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 ...
0
votes
0answers
120 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
1k views

Lambert93 to WGS84, IGN algorithms, longitude problem

I'm looking for a Java-based solution to convert coordinates from Lambert93 to WGS84. I found this, "lambert-java", which is an implementation of the algorithms (PDF) published by IGN (French ...
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 ...
3
votes
1answer
434 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 ...
2
votes
3answers
2k views

ArcSDE 10: How to read/write to Oracle with ST_GEOMETRY using Java

I found the following in the deprecation plan of ArcGIS 10.2: ArcGIS 10.2 will be the last major release to support the ArcSDE SDK with the ArcSDE C and Java APIs. Today many other options are ...
1
vote
0answers
137 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 ...
0
votes
0answers
155 views

ArcGIS Custom Toolbox crashes ArcMap 10.0

I have prepared Custom ArcToolBox using ArcObjects in java. It was working fine before though was giving NullPointerException but this something java related error and that is fine. Later I have ...
0
votes
1answer
69 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
vote
0answers
154 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
votes
0answers
437 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, ...
0
votes
1answer
174 views

Spatial query without spatial database module?

I have the following scenario: Oracle database without the spatial module. Application in J2EE with the following architecture: -- Entity -- Persistence (DAO / JPA + JDBC) -- Business (BC) -- Vision ...
0
votes
2answers
298 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 ...
0
votes
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() ...
0
votes
1answer
140 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?
0
votes
0answers
100 views

Does ArcGIS (arcObjects SDK for java) support multiline labels using TextSymbol?

Is it possible to add multline labels using textsymbols in ArcGIS 10.1 (SDK for Java) in a 3d model? In my system, even the spaces are getting omitted, for a String s="this is \n war" Label ...
1
vote
0answers
31 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 ...
0
votes
0answers
83 views

unable to insert newline and spaces in textelement in java

i am working in arcgis desktop with eclipse in java. i have created a textsymbol and added it to a textelement which i need to add on another layer(the model is a 3Dglobe and not a map). i am able to ...
1
vote
2answers
598 views

Get selected features on ArcMap in arcMap Addin (eclipse)

I am building a custom arcMap Addin button which onclick event tells info about selected features. Following is my java class --- public class Break extends Button { /** * Called when the button ...
1
vote
1answer
65 views

Does charactermarkersymbol work differently in linux?

I have just started working in GIS. i am trying to project an aeroplane glyph font (character index=111) using charactermarkersymbol but unable to do it in linux. I am getting the same spherical ...
6
votes
4answers
492 views

Migrate in a new programming GIS language

The last five years I have been working with VBA and ArcObjects for developing a specific application within ArcGIS. That project that began around 2008-2009 carried out with VBA and ArcObjects which ...