An object-oriented cross-platform programming language developed by Sun Microsystems.
1
vote
0answers
65 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 ...
3
votes
3answers
145 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 ...
3
votes
1answer
75 views
Problem 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 ...
0
votes
0answers
14 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.
0
votes
0answers
28 views
Segmentize a linestring in java
Is there a java function that takes a linestring (com.vividsolutions.jts.geom.LineString) and a number of segment and returns all the point of the new segments. The goal is to simulate several points ...
3
votes
1answer
652 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
0answers
67 views
MultiPolygon from database
I would like to know how to create an instance of a Multipoint from a PostGIS database..
I do the query , then got the ResultSet named "area" , the column with MultiPolygon attributes is named "geom"
...
1
vote
0answers
26 views
When a raster is described in general as either a double or an integer how do conversions work for that type
I know a raster format is essentially a grid of cell values that may have values associated with color, but I'm unsure of how the primitive types factor into the format. In addition if I need to write ...
0
votes
0answers
39 views
Making ArcObjects Java application independent of eclipse
I have a ready Java + ArcObjects application.
Inside I create, delete folders in the "bin" directory of the project.
There are two folders "input" & "output" without which the application will ...
2
votes
1answer
55 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 ...
2
votes
1answer
105 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 = ...
0
votes
1answer
183 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
0answers
37 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 ...
0
votes
0answers
27 views
Udig Compatibility with eclipse 3.2
I have an eclipse 3.2 RCP application wich use arcims and kogis api/plugins to display and query arcims server. I will have to change map tools for open source tools.
so, I would like to know wich ...
5
votes
1answer
324 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
2answers
277 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 ...
0
votes
0answers
12 views
change the graph location in opentripplaner-api-web.war
I am using opentripplanner to deploy the app in tomcat i have to change the graph.obj location, but doesn't know I can achieve this. I read the "configuring the webapp" but failed to understand the ...
2
votes
0answers
155 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 ...
-2
votes
1answer
64 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
78 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
2answers
183 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. ...
2
votes
0answers
61 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 ...
0
votes
0answers
21 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
147 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
72 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 ...
2
votes
3answers
498 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
0
votes
1answer
53 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 ...
1
vote
0answers
67 views
General Transit Feed Specification help
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 ...
0
votes
0answers
16 views
help with building graph from gtfs [duplicate]
Possible Duplicate:
building opentripplaner gtfs.zip
Kindly check the previous question. I posted it again as no one answer the previous one, and i am in great trouble.
building ...
0
votes
0answers
11 views
help with setting up opentripplanner [duplicate]
Possible Duplicate:
Help with opentripplanner
kindly see my previous post (i also added comment there but no one replies so i again ask the question)
Help with opentripplanner
now i have ...
0
votes
0answers
49 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 ...
4
votes
3answers
279 views
How to choose a language for web map development?
I am building a web map application using:
GeoServer
OpenLayers
Tomcat
I would like to build a web application, where the user can log in and have the map arranged according to their profile. ...
4
votes
1answer
707 views
How to setup PostGIS JDBC with Hibernate?
I try to setup an Java Application with Hibernate and PostGIS but I always get nasty exceptions like :
java.lang.NoSuchMethodError: org.hibernate.type.CustomType.<init>
...
4
votes
1answer
473 views
Write out a WKT file from a loaded shapefile
We are looking to load and display a shapefile, simple polygons, then write out a WKT string of that shapefile and have the user save it somewhere.
Does anyone have some code snippets of that very ...
2
votes
0answers
29 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. ...
1
vote
1answer
66 views
Having trouble setting up Eclipse for ArcGIS 10.0 Java development
I'm trying to setup Eclipse for ArcGIS 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 same ...
2
votes
4answers
154 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 ...
2
votes
2answers
156 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, ...
1
vote
2answers
336 views
looking for open source Java SE map viewer library that work with osm files or osm pre-downloaded tiles
I am new here and I hope I can find answers to my question here! I am developing a mapping platform for desktop, web, mobile (Android). I finally finished embedding mapping into my android software ...
1
vote
0answers
107 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
0answers
145 views
How to sort a SimpleFeatureCollection using GeoTools?
I have a featurecollection:
SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(dbFeatureType);
SimpleFeatureCollection collection = FeatureCollections.newCollection();
while ...
0
votes
0answers
11 views
What are the drawbacks of using WWJava? [duplicate]
Possible Duplicate:
Displaying Google Maps and OpenStreetMap map in Java?
I am looking for a good library similar to OpenLayers in Java. I would like to use it to diplauy OSM and Google ...
5
votes
1answer
230 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 ...
2
votes
1answer
283 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 ...
4
votes
6answers
2k views
How to get started on web GIS development with Java?
I am very new for GIS, I know java web development.
I want to develop a GIS web application in Struts, can you suggest me how to start?
My requirement are as -
Any API/Tool should be open source.
...
3
votes
1answer
203 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 ...
1
vote
2answers
190 views
Convert HMR to GeoTiff
I've got gigs of .hmr raster files from our customer and I need them to be converted into GeoTiffs or something else which can be nicely imported into Geoserver system. I wonder if I can do it with ...
2
votes
1answer
318 views
Regarding property setMinScale(scale) and setMaxScale(scale) in ArcGIS Java script API
I am new to programming in JSAPI.
I have two dynamic layers and I want to set the property setMinScale(scale) and setMaxScale(scale) to layers so how do I Set ?
ex. I tried using ...
2
votes
0answers
190 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 ...
2
votes
1answer
96 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 ...
