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

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1answer
587 views

Using gdal-java of OSGeo4W

I would like to use gdal_polygonize and gdalinfo in java. This site says: "Note that OSGeo4W includes a gdal-java package and a Java runtime making it fairly easily to build local Java applications ...
4
votes
2answers
278 views

Finding the boundary polygon from a set of gridded points (no hole)

Let us consider a set of a 2-D points (longitude, latitude) each of which is centre of square grid (intersect point of the diagonals of the square). I try to make you understand what I want to do in ...
1
vote
1answer
40 views

Spatial and property search

We have a lot of polygons(some of them contain holes) and there are also a lot of points inside different polygon, these data are processed as ESRI geodatabase format. Now we have to do some spatial ...
6
votes
2answers
7k views

GeoJSON java library

I am creating a Java web service that receives GeoJSON. Does anyone know a java library to manage GeoJSON?
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0answers
32 views

TIFFDirectory.getAsMetadata() is not including GeoTIFFTagSet. Any solution to this problem? — JAI

The source code appears to simply copy the TagSet List object to the IFD and then the TIFFMetadata. I don't understand where it is losing the tagset as it is in the list before the call. Anyone ...
2
votes
2answers
287 views

Java packages for landsat 8 processing?

I am looking for the same packages as outlined in this question - Are there Python packages for Landsat 8 processing? except that I want these in Java. Any Open Source packages out there that can do ...
0
votes
0answers
141 views

API for Java and JavaScript app integration

Are there any APIs to make calls or integrate JavaScript functions to a Java written application? I have come across Rhino's liveconnect.js, but this is uncharted territory for me, and would like a ...
0
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0answers
135 views

Geotools/Geoserver Modifiy interpolate function with dynamic color fill

Here I am again with a different approach to my problem. I use the interpolate function in geoserver to get a choropleth from my data. The problem is that I have to hardcode the color for each value (...
1
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0answers
245 views

Leaflet CRS.Simple or CRS.EPSG3857 conversion Problem

I'm using v-leaflet (0.61) , a vaadin plugin, to visualize some layers over a map. Clicking on the map, I create a wms query to geoserver. The query needs some parameters and one of them is the bbox. ...
1
vote
0answers
31 views

How to add buffer in geomajas

I am new user to geomajas.I have created geomajas plug in and I am using geotools to add shape files. and I want to create buffer on layer(road layer,or polygon layer) ,but i am not getting exact ...
1
vote
1answer
217 views

Cover a polygon with fixed size squares

Can you please advice me of an algorithm (which I can implement in a Java) to cover some polygon (not exact cover) with squares of certain size (aXa squares)? The cover doesn't have to be exact - ...
2
votes
1answer
145 views

ArcGIS Runtime SDK for Java - WebMap display issue (spatial reference construction error)

I'm trying to display a map which I created and uploaded on ArcGIS online as a map package: map = new JMap(); Portal portal = new Portal("http://www.arcgis.com", null); PortalItem item = null; item = ...
2
votes
1answer
202 views

Choosing a platform for developing opensource GIS web application.

I am from a non programming background. I started learning GIS opensource web applications from last 3 moths. Now I am using only notepad++ for writing codes and I am familiar with javascript, HTML ...
1
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0answers
269 views

Unit of Geotools' getArea function

I have Polygons with WGS84/EPSG:4326 coordinates (like 13.57933804767844,52.5126298984133) and use the Polygon.getArea function to obtain the area of the polygon. But the result I get is something ...
0
votes
2answers
185 views

Spatial Reference Conversion

I am currently having some problem with the spatial reference projection on the map in Android. Basically I have a base map which is OneMap and all the coordinates stored in database is in SVY21 ...
1
vote
1answer
292 views

How to split a geotiff into a standard tiling scheme with Geotools in Java

I would like to tile random geotiffs to a standard grid, with a standard size of 256X256 using Geotools in java. My use case is as follows: I receive a "stream" of raster data in the form of multiband ...
1
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0answers
86 views

Geomajas Error“org.springframework.beans.factory.BeanNotOfRequiredTypeException”on Feature Info Tool

I am using use geomajas 1.12.0 version. I have with published road.shp file on map. i found this error when i use show feature information tool on my vector layer(road layer) with my road layerOsm ...
1
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0answers
58 views

how to integrate geomajas i.e. clientside gwt base framework and serverside

I am new to geomajas opensourse project.I have successfully build client-GWT maven project and server-side maven project.Now i want to integrate client side with server side project so that i can use ...
1
vote
1answer
92 views

Best way to store raster data with Java into Oracle spatial

I have a Java application that processes raster data. At the end of the process I plan to store the raster in oracle spatial. What is the best way to do this? I had a look at geotools but I did not ...
2
votes
1answer
282 views

How to set the extent of a rotated data frame from a rotated rectangle using ArcObjects?

I use ArcObjects to produce a map document. I have a rotated rectangle that I want to be the exact extent of my data frame. So, I want to rotate the data frame with the same orientation than the ...
1
vote
0answers
238 views

Why does this Geotools Java reprojection to WGS-84/4326 cause offset?

I am using the block of code below. I am reading in a geotif with a UTM zone projection and converting it to 4326. I am pulling out certain multiband values and creating a new raster, when I plot the ...
0
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1answer
189 views

What's the best way to break closed polyline using ArcObjects?

I have a polyline feature class with several closed lines (the start point = the end point). I need to break these lines in two features, using ArcObjects (doesn't matter Java, VB or C#). I have ...
1
vote
1answer
1k views

Geotools create/save shapefile has no geometry information

When I create and save a shapefile in GeoTools, then open it in ArcGIS or QGIS, it doesn't show up on the map, even though the features are there in the attribute table (and all attributes I added ...
-2
votes
1answer
161 views

What application server or web framwork to use [closed]

I'm looking to make a webmapping app, which gonna use Geoserver as carto server, and Postgres/postgis as Dabatase, and Extjs as client UI. but i'm in dilemma in application server side, between PHP, ...
1
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0answers
25 views

Long delay when updating rows of a feature layer or modifying elements of a graphic layer using arcObjects in java

We are developing a simple AddIn for arcMap for the first time using arcObjects in java. The application consists basically on the following steps: 1. Obtain a Network layer which was loaded in ...
4
votes
1answer
733 views

Geotools shapefile and geotiff displaying problem in JMapPane

I'm trying to get a JMapPane to show up in a JPanel, but without success. Below is the JPanel instance containing the map. I am importing a geotiff and a shapefile layered in that order. Not only does ...
2
votes
1answer
671 views

Read In SRTM HGT elevations using Java

I have read the following posts on reading in SRTM HGT elevations- How do you convert SRTM HGT elevations from WGS84 into meters above sea level? and How to extract elevation from .HGT file? I am ...
2
votes
1answer
132 views

Solving java.lang.RuntimeException: No osm2po-GraphFile?

I tried to use osm2po as a library and write a simple routing program based on the sample code at (http://osm2po.de/) However, when I try to load the .pbf file into the data structure "Graph". The ...
2
votes
0answers
305 views

How to prevent an IllegalArgumentException with GeoTools WFS GetFeature request?

I want to retrieve the feature Collection from a WFS server with the java library GeoTools. I tried this code, but unfortunately the program fails to execute. public class App { public static void ...
2
votes
0answers
88 views

inputing road network as nodes and arcs in java

I want to input a road network as nodes and arcs. Some of the nodes are intersections, others serve to describe the shape of the road. Road network should be modeled as an embedded graph consisting of ...
2
votes
1answer
222 views

Generate a game world using planet.osm (in .pbf format)

I've recently downloading openstreetmap's Planet.osm for use in an experiment whereby I plan to generate a video game world based off of the planet. openstreetmap's wiki hasn't been very useful, and ...
2
votes
0answers
169 views

how to get a feature from coordinates in geotools [closed]

I'm working on web services in Java and using GeoTools java api for wfs operations. I have a wfs store and a lot of features in it. I do some operations via geotools wfs api for example buffer, ...
1
vote
1answer
101 views

Invoke OSGeo4W commands with Java

I want to use the command gdal_polygonize image.png bla in a Java for-loop, where image.png and bla changes in every iteration. How can I do this? I searched for it on google and stackexchange and I ...
3
votes
1answer
103 views

How to set decimal precision in shapefile via javacode

we are using the below code : SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder(); builder.setName("Location"); String wkt = "GEOGCS[" + "\"GCS_WGS_1984\"," + " DATUM[" +...
1
vote
0answers
90 views

Extract polygons of PNG with GdalOgrInJava

I have PNG pictures with polygons of different colours on them. What I plan to do is to extract these Polygons using the polygonize function (see here) Then I will try to encode the polygons in ...
4
votes
2answers
2k views

Looking for an open-source Java based GeoTIFF library

I have written many programs for reading and writing various types of spatial data in the past but I must admit that the GeoTIFF format has often gotten the better of me. It's such a flexible format ...
0
votes
1answer
413 views

osmosis library in java application

I want to do a navigation application OSM PBF files. I'm using the pbf files from the osm website. I was looking for a way to access the pbf files, I found that it can be accessed using the osmosis ...
0
votes
1answer
95 views

Exception error when enabling workspace specific services in Geoserver 2.5 OpenGeo suite

When I try and enable a workspace specific WMS in the bundled GeoServer app form boundless I get the following error. java.lang.reflect.InvocationTargetException This is running on OSX 10.9.5 with ...
3
votes
1answer
166 views

Whitebox GIS installation on linux

Can anybody give guidance to installing Whitebox GIS software on linux? I have already: set up a clean xfce4 machine installed java 8 successfully unzipped the latest version of whitebox (Iguazu 3....
2
votes
0answers
1k views

Sqlite insert java.sql.SQLException: [SQLITE_ERROR] SQL error or missing database (no such column: SRID)

I'm trying to connect to two DBs and then copy tables by inserting rows from one table to another through java using JDBC. I'm using sqlite-jdbc-3.7.2.jar plugin.The setup is in Eclipse Luna. I'm ...
3
votes
2answers
377 views

What does the values in column clazz (osm2po) mean?

I have a given table in postgreSQL with OSM data which is used for routing purposes in Java with PGRouting. There exist two columns which I don't understand. They belong to osm2po. They are labeled ...
1
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0answers
35 views

Transforming from Java EE developer to GIS developer? [duplicate]

Currently i am working as Java Analyst programmer. But i want to transform from Java developer to GIS developer. I tried to pursue MS in SDSS but did not completed my Master Thesis. I have knowledge ...
4
votes
2answers
1k views

How to correctly configure OSGeo4W64 for Windows 7 64-bit?

I have successfully installed OSGeo4W64 on numerous new systems (actually EC2 instances) and had no issues. But I've run into an issue with it on a Windows 7 workstation that has a lot of JREs on it....
1
vote
0answers
300 views

Geoserver ( Java.exe ) cause server to run 100%

Our server runs at 100% CPU when using map services build on geoserver + postgresql I can not find anything in geoserver logs. It is Java.exe takes 100% CPU and because of that server can not do ...
3
votes
2answers
482 views

Displaying a GeoServer Map from a Java Mobile Application

How can I display a Map generated by GeoServer from a Java Mobile Application? I would like to display it inside a Java App instead of a android application. Is this possible?
0
votes
1answer
553 views

GeoTools exception: failed to connect to EPSG database

I downloaded the GeoTools 11.2 binary and am attempting to get it to run in my Netbeans java application. I tried to run this part of code: ... SimpleFeatureSource source = dataStore....
4
votes
2answers
524 views

Read DGN file in java or c#

I'm looking solution to read DGN file in java or c# without any success. Gdal makes many problem and doesn't support all element eg. complex element. Does anyone know of a library that supports the ...
3
votes
1answer
1k views

Creating point in shapefile from latitude/longitude using GeoTools?

I m new to geotools and i find bit difficult to plot a point using the latitude and longitude values. can any one heple me out to solve my problem. GeometryFactory geometryFactory = JTSFactoryFinder....
2
votes
0answers
312 views

How to check if a point is within bounded rectangle from Java

I make an AJAX request to retrieve data from a mysql database. I add the data to google.maps.Data layer as geojson. I would only like to load the data based on the viewport. To obtain the viewport ...
1
vote
1answer
252 views

Java library for reading geojson from MySQL

I am looking for a way to retrieve mysql geometry data as geojson from the database either using a java library or for converting wkt to geojson using either java or javascript. Currently I am doing ...