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

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5
votes
2answers
448 views

Need an Algorithm to Determining Polygon Borders

I'm currently writing a program in Java and I'm dealing with polygon objects. I want to create a different color border between touching objects depending on their class (i.e. land, ocean, etc). I ...
0
votes
0answers
54 views

Getting started to Web GIS development using JAVA [duplicate]

I am a newbie in GIS web development with java. I am starting to chose the tools(open source) to start with. Can i use degree with eclipse or should i use geomajas instead. thank you
2
votes
3answers
349 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 ...
1
vote
1answer
304 views

hibernate spatial DDL creation with maven hibernate3 plugin

This is a very special question, I hope that somebody here already worked in a similar project setup. I am working with Netbeans and started a maven web project based upon the maven HS 4.x tutorial ...
1
vote
1answer
175 views

Use Java to automate service creation and display up to date data on map?

Our team is using ArcGIS and our requirement is To create a web application in JAVA with a map displaying various data from DB. The data gets updated periodically in the DB and the map should ...
2
votes
1answer
305 views

NASA World Wind Pick From A Group Of Icons

I am using an IconLayer in NASA World Wind (Java SDK) to show positioned items on a map which works fine except for when several are in a group and start to overlay one another. The display of the ...
2
votes
0answers
666 views

Geotools, output to kml and convert meters

I have a complex problem. I'm using geotools 10.* I have input data: latitude, longitude (WGS_84), radius in meters, start angle (12 o'clock), end angle (clockwise, i.e. turn to the right). I need ...
8
votes
1answer
2k views

Hibernate Spatial 4 and Postgis 2.0

I'm having some issues integratings this technologies: Hibernate Spatial 4.0-M1 Postgis 2.0.2 (with compiled jdbc 2.0.2) Hibernate 4.1.1 The specific error is: Caused by: ...
2
votes
1answer
302 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 ...
1
vote
0answers
277 views

Renaming Columns in Geotools FeatureType

I am attempting to build a simple java program that loads shapefiles into a Postgis 2.0 database. Everything is working out great except that I would like to be able to modify the FeatureType in the ...
2
votes
1answer
347 views

Creating shapefiles using Java and Accumulo

I have tracking data with latitude and longitude stored in an Accumulo database table. We want to move toward using Geoserver for some layer display features on the client side. Right now I'm ...
4
votes
3answers
2k views

How to access an wms layer that requires authorization via OpenLayers?

Is there a way to send username and password parameter to a wms layer that needs authorization? If not, I guess it's perhaps a non-spatial thing to solve so that you before the javascript sends a ...
0
votes
0answers
16 views

location name judger

I am making a project which requires me to find out if a particular word in a sentence is the name of a city/state/country/any location basically. Can you please help me with some app/ a database.
1
vote
1answer
341 views

Geocode service findAddressCandidates returns no candidates with 10.0 address locator

I posted this on an esri forum but nobody touched it. We've recently updated a geocoding service and I'm now unable to return addresses to my Java application. The old service is built with a 9.3 ...
2
votes
0answers
181 views

Geotools 8.4 CRS.decode invalid(?) reference to HTTP_URI_OGC

I'm trying to do a simple CRS.decode to lookup a CoordinateReference system: E.g. CoordinateReferenceSystem target_crs = CRS.decode("EPSG:4326"); However this fails with a reference to the ...
2
votes
1answer
132 views

Are there any open source distribution raster merging functions within JTS or GeoTools

I'm looking for something similar to the combine function from the ISelectionSet interface from ArcObject's SDK 10 .NET framework on a more scaled down level. Ergo, I don't plan on using that ...
7
votes
1answer
6k views

How to draw polygons on an existing map?

If you want a map with some circles, squares, etc. representing cities or something else you can use the following code. Note that you can change the map and the coordinates with yours, and you'll ...
2
votes
1answer
216 views

ArcObject 10.1 Java : Raster Analysis

I have been working with ArcObjects Java for a short time and have not been able to find a solution to the following problems: How to get the Raster object from a IRaster reference? IRaster raster = ...
1
vote
0answers
94 views

ArcGIS Server 10.0 Java - Upgrading JAI

I am developing a SOE for ArcGIS Server 10 SP 5 in Java. The SOE makes use of some GeoTools functionality - specifically the HeatmapProcess. I have written a small api (with all GeoTools, no ...
2
votes
0answers
495 views

How to open image file saved with JAI in Geotools?

I need to find NDVI and other vegetation indices and then find changes in time with tif images. I've been using Geotools for this. I took 2 tiff images, then using QGIS I changed them to PNG because ...
3
votes
2answers
880 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
388 views

How do I set the protocolVersion using the jdbc postgres driver? [closed]

I attempted to concatenate a string to the url parameter of the below in order to set the protocolVersion, but I'm not sure how to keep the string in the url without altering the name of the database, ...
1
vote
1answer
230 views

layers in opentripplanner webapp

I am customizing the opentripplanner webapp according to my needs. it has 5 different base layers. but in code (in map.js and OpenLayersUtils) i can't find where it adds these layers to map.
2
votes
0answers
127 views

Basic unit testing for ArcGIS 10.0 Java Add-in

I've been assigned the task of translating an old ArcGIS VBA script into a Java add-in. I finished the rough translation of the code, now I'm starting the debug process. The first unit test I want to ...
2
votes
2answers
710 views

How to work with GDAL/OGR in Tomcat?

I make web application in Eclipse using GDAL. In Eclipse in Debug Configurations i add variable path=path/to/gdal/folder. In project i add gdal.jar to build path and copy gdal folder in lib directory. ...
1
vote
1answer
342 views

using geocoder of opentripplanner

I am developing a webapp using opentripplanner. I have followed 2 and five minute tutorials at their websites, there is also a opentripplaner-geocoder.war webapp, but i am unable to figure out that ...
0
votes
1answer
746 views

What can I use to read MapInfo files in Java?

I want to read MapInfo files using Java. Before I used geotools for this but now I have problems with the GDAL library in Win7x64. Can i find geotools or gdal only for Java? To it not usede gdal's ...
0
votes
1answer
448 views

Column exists in DatabaseMetaData, but does not exist in relation?

I am using JDBC to query a PostgreSQL database. And I want to populate a column called wiki_url based on the value of another column, level which will determine which value of 5 columns to concatenate ...
0
votes
1answer
478 views

Eclipse can't find Driver.class from postgresql-9.2-1002.jdbc4.jar file nor AbstractJdbc4Connection class

I am using the jar file in my configuration path after following the example from postgresql/jdbc tutorial. But after I added the jar file and configured it for my reference library when I run it I am ...
1
vote
1answer
113 views

Update Service config file with ArcIms java connector

We are using arcims java connector to create, update, delete services. it works fine for create and delete. However when we try to update the config file of service (ie : mxd file) the new mxd file is ...
3
votes
2answers
599 views

What software would be useful to create General Transit Feed Specification (GTFS)?

I am doing a project in which i am required to create GTFS. I look at transit google developer forum which provide a format to create feed but that completely have to done by hand (we have to write ...
1
vote
1answer
138 views

building opentripplaner gtfs.zip [closed]

I am building a journey planner app using opentripplanner. i have followed their two minutes tutorial in which we just run webapp which uses pre build graph.obj file, it works fine. But in next five ...
0
votes
0answers
231 views

Help with opentripplanner

I have started working with opentripplanner (i am developing a journey planner app). I am following the two & five minute tutorial given on opentripplanner website. but while starting server using ...
2
votes
1answer
294 views

Setting up Eclipse for ArcGIS Engine Java development?

I'm trying to setup Eclipse for ArcGIS Engine 10.0 development. I've been reading for days and weeks through the documentation and through the forums here and elsewhere. It seems that no one has this ...
2
votes
0answers
31 views

How to convert a shapefile to WKT with GeoTools snapshot 9? [duplicate]

Possible Duplicate: Write out a WKT file from a loaded shapefile I need to convert a shapefile to WKT to be read in OpenLayers. The shapefile is one that has been created by Geotools. ...
2
votes
2answers
984 views

How do you create a button in ArcGIS and have it run code?

I'm brand new to ArcGIS and have only a year or two of programming experience. I know Java and a little C#. I have a Java app that processes geographical data. I need to have a button in ArcMap that, ...
2
votes
4answers
884 views

What GIS tools and packages are needed to find out nearby users in android application?

I'm building a location based android application with following requirements: Need to find out nearby users(i.e users using the same application) Need to find out users in the state Need to find ...
4
votes
1answer
213 views

Installing ArcSDE engine plugin for Eclipse?

I'm looking for the following jars for the ArcSDE API: jsde_sdk.jar jpe_sdk.jar concurrent.jar icu4_3_2.jar thanks to this answer I've found that they can be gotten installing the ArcSDE engine ...
1
vote
0answers
309 views

When I try to do a WMS request to geoserver using the leaflet API I am getting a format related error

This XML file does not appear to have any style information associated with it. The document tree is shown below. <ows:ExceptionReport xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ...
3
votes
1answer
435 views

What is the best API to use GeoTools or uDig (for the context of my application)?

I am trying to develop a java application that displays : Google maps, Openstreetmap and Bing Map Data. So which is the best SDK to use in this contet Geotools or uDig ?
2
votes
3answers
6k views

Displaying Google Maps and OpenStreetMap map in Java?

Is there any Java API that is like OpenLayers ? I would like to display google Maps and Openlayers Maps in a java application
4
votes
1answer
1k views

Java client for WFS-T?

I have a geoserver with a postgis database on one server and an Java application on a different server. Now I need to connect these two servers so that the Java application can manage (create, alter ...
3
votes
1answer
456 views

OSS java approach to convert Shapefile to GML

We've got a project coming up where we need to upload .zip of a shapefile, join the .dbf to some lookup tables, join to other tables also uploaded (one to many attributes for each feature), and ...
3
votes
0answers
557 views

How to sort a SimpleFeatureCollection using GeoTools?

I have a featurecollection: SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(dbFeatureType); SimpleFeatureCollection collection = FeatureCollections.newCollection(); while ...
0
votes
1answer
134 views

Extending ArcGIS Desktop using Python vs Visual Basic vs Java? [closed]

I have to extend the features of ArcGIS. I've been asked to create a model written in Python that can run out of ArcGIS 10. This model will have a simple user interface where the user can drag/drop ...
5
votes
1answer
1k views

What is the best practice for reading data from a raster band with Java and GDAL?

After using GDAL with Python for a year or so now, I'm getting back into Java and trying to figure out how to use GDAL with it. I am wondering if anyone has had experience with reading data from a ...
3
votes
0answers
534 views

Convert Lat/Long to UTM specifying which zone to use (Java)

I have a set of coordinates in decimal degrees spread across two UTM zones in my Java application that I want to export to use in Petrel, so they need to be in the same UTM zone. Is there a java ...
6
votes
1answer
2k views

Find Perpendicular Distance and Minimum Perpendicular Vector between a Point and a Line using GeoTools and JTS

I have a line formed by 2 lat/lon pairs, and the lat/lon of a point. I would like to find out the perpendicular distance between the line and the point on the Earth surface (can assume Earth as great ...
2
votes
1answer
121 views

Java or .net platform is good for creating interactive web page [closed]

I have just now completed my degree in Spatial Information Technology, and learned how to use the ARCGIS platform and QGIS. Now I wanted to create a server/client webpage using mapserver for a project ...
0
votes
1answer
1k views

How current is GDAL in Java

I have used the ogr2ogr to import various formats to Postgres and have used GDAL utilities. Is there a complete Java port for these tools? Or are they simply wrappers calling JNI to C++ code? I have ...