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

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65 views

how to retrieve ATMs List from OSM

I am using this command to get the ATMs list osmosis --read-xml my_map.osm --tf accept-nodes amenity=atm --write-xml output-nodes.osm But it is giving the list of nodes and ways also...I want only ...
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0answers
566 views

Successfully extracting values from a GRIB2 file…is it possible?

Let me say first that I'm starting to work with GRIB2 files, I've read the docs, and more or less know how they are structured. My goal is to be able to parse some GRIB2 files from NOAA, more ...
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1answer
857 views

ArcGis Server Java script API error code 500 while using proxy.ashx on one particular server

I am looking for help with using proxy.ashx in Javascript API on one particular server at a client site. We have a GP service that the proxy is used to access (when request is more than 2048 ...
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2answers
675 views

Offline entire planet in Java Desktop app

Sorry if this question has already been asked, but I need your help. In program that we are developing we need to integrate maps. Here are the requirements that are put for integration: Maps should ...
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1answer
470 views

Filter Vector Layer Features

I'm using OpenLayers - 2.11,GeoServer 2.13, ExtJS 3.4, and Java for developing GIS based web applications. I have added some point features in one vector layer. It has id, name, address, etc. Can I ...
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1answer
1k views

why I can not run hibernate-spatial (in eclipse)

I have a problem with Hibernate Spatial. I followed the tutorial 4.x, and I created my project using maven. after correcting some minor errors in pom.xml and in persistence.xml, executing the project ...
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1answer
164 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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2answers
745 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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256 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
249 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 ...
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2answers
207 views

MS4W (MapServer 4 Windows) - version 3.0.3 Crashes JVM and Tomcat frequently. How to fix this?

I am using MS4W (MapServer 4 Windows with Java Mapscript) - v 3.0.3 for a GIS web application hosted over Tomcat 6.0.33 with Java jdk1.6.0_13 and PostgreSQL 9.1 with PostGIS 1.5.2 @ the database end. ...
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396 views

Hibernate Spatial - 'Invalid endian flag value encountered' Exception

I'm trying to run a simple query in Hibernate Spatial 4.0 on PostgreSQL 9.3. I have a number of objects in a table with latitude/longitude values, and I'm trying to query objects that fall within a ...
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176 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 ...
4
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1answer
927 views

GeoTools WFS Feature retrieval

I am trying to use geotools to retrieve the list of features served by a WFS. I am following the tutorial provided at http://docs.geotools.org/latest/userguide/library/data/wfs.html. The code that I ...
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1answer
3k 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 ...
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2answers
306 views

How to order points of a polygon?

I want to create a polygon, which represents the administrative boundary of a city. It is specified by a relation, which consists of ways <member type="way" ref="25657490" role="outer"/> ...
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2answers
928 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 ...
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1answer
100 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
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1answer
206 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
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1answer
298 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. ...
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0answers
587 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
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1answer
429 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 ...
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2answers
113 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 ...
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0answers
207 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 ...
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2answers
449 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 ...
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0answers
30 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!
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0answers
150 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
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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
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1answer
201 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 ...
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0answers
159 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
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1answer
175 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
131 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 ...
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0answers
232 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
409 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
608 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 ...
1
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1answer
395 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 ...
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0answers
138 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 ...
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2answers
319 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 ...
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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
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1answer
259 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 ...
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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
45 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
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1answer
768 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
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1answer
91 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 ...
2
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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
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1answer
165 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
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0answers
128 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
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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 ...