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

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2
votes
1answer
294 views

Creating OGC Services via GeoServer automatically?

I am new to GeoServer and wonder how I can create OGC Services via Geoserver automatically. I have to publish my data (Shapefiles) with a Java program as OGC Services. How can I do that? I checked ...
0
votes
0answers
35 views

Sr Lock on created gdb is not releasing

My problem is sr lock is not releasing on gdb , also please see that code can be improved? Below is my code public String exportGDB(String whereClause,IServerObjectHelper serverObjectHelper) // ...
4
votes
4answers
2k views

How can I find closest point on a polygon from a point

I have a point that may be inside or outside of a polygon, I need to find the nearest point on the polygon boundary from the point. Point(x,y) may be inside or outside of the polygon, shortest ...
0
votes
0answers
35 views

Can't read GeometryCollection from Json String with java 8

I've got a problem with geotools and Java 8: since I started working with it, GeometryJSON can't read jts GeometryCollection from a Json String. Here an example: import java.io.ByteArrayInputStream; ...
0
votes
0answers
23 views

Openshift, http requests between two applications

I have deployed a Geoserver and a Java EE REST API on Openshift as non scalable applications. From the REST API I'm trying to connect to Geoserver using apache httpclient. When I'm requesting ...
1
vote
0answers
63 views

GeoTools: Lambert72 to WGS84

I am trying to convert coordinates (and polygons from com.vividsolutions.jts.geom) in Lambert72 (EPSG:31370) to WGS84 (or the other way around). I'm using the org.geotools.referencing CRS and ...
0
votes
1answer
296 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 ...
1
vote
0answers
38 views

How to get image coordinate and corresponding location coordinate of a geo-referenced image in andriod

In my android app, I have a geo-referenced image which I am going to use as map. So I need to divide it into tiles. For that I want its top left and bottom right image coordinate(x,y) with location ...
1
vote
0answers
12 views

GeoTools FeatureCollection to Filter (make Filter from a FeatureCollection)

I have a FeatureCollection and I want to make a Filter of them. One way is that I may use FilterFactory#id(Set<Identifier> set) to make a filter. FilterFactory ff = ...
1
vote
0answers
23 views

Performing Geographic Weighted Regression (GWR) in Java?

Is there any existing GWR (Geographic Weighted Regression) packages in Java? The packages should be able to conduct the basic GWR, the bandwidth optimation and some significance test.
1
vote
0answers
29 views

html file not loading google maps and current location

I have a html file that when I click on it, it should open in a browser but it does not load. The link of the html opens and loads the image. Below is the link: ...
1
vote
1answer
48 views

Why modes are represented with numbers, that are powers of 2.? [closed]

In TraverseModeSet class of org.opentripplanner.routing.core package, Modes are represented using integer numbers , those are powers of 2. Why? private static final int MODE_BICYCLE = 1; private ...
1
vote
0answers
26 views

Create a Geotiff with different colors

I have a geotiff raster image. I have estracted the WritableRaster, the envelope, and the gridsampleDimension I need to create a new geotiff using Geotools. GridCoverageFactory gcf = new ...
0
votes
1answer
25 views

An interactive, animated deliverable (i.e. in PDF)? How?

I'm wondering if it's possible to make something like this: http://tipstrategies.com/geography-of-jobs/ But in the form of a deliverable? Like a PDF? I'd like to make something similar that I could ...
1
vote
0answers
38 views

Route between two coordinate points via line

I tried to search for an answer but couldn't find any so I decided to ask. I would like to ask which would be the best way to get the shortest (and the only one) route between two points from a part ...
0
votes
0answers
30 views

Change color of feature by ID (GeoTools)

I am trying to change the color of a specific object, by ID (or another feature). Currently I am able to extract data about an shapefile and display that data. However, I want to be able to change the ...
1
vote
0answers
47 views

Error on Map Style Tutorial

Trying to follow the Map Style tutorial, as the functionality of changing color of objects selected is one thing I am trying to add to my project. However, after running the code from the tutorial I ...
1
vote
0answers
20 views

Error in: org.geotools.swing.MapLayerTableCellRenderer.getListCellRendererComponent

Getting this error while exporting an shapefile to svg (courtesy to iant): The weird thing is I wasn't getting this error before, but I just suddenly starting getting it after running my application, ...
1
vote
2answers
94 views

PostGIS: ST_Within returns “t”/“f” letters instead of “true”/“false” booleans

I have simple query which contains among others: SELECT ST_Within(ST_GeomFromText('POINT(lon lat)', 4326), buildings.geom) AS is_within So I expect the result column is_within to be Boolean value. ...
1
vote
0answers
23 views

Export shapefile layers to svg [closed]

I have an application that exports an SVG after reading in a shapefile (thanks to iant for the exporting bit). You can view the code here: Exporting Shapefile to SVG using Java & GeoTools? What ...
0
votes
0answers
46 views

JSF2Leaf - JSF page parameters to bean

I'm using jsf2leaf framework to draw trajectories between two markers, like example. I need to send two parameters (id of point) to search possible trajectories between both. At the moment the ...
0
votes
0answers
14 views

Geoserver+AIS+adsb [duplicate]

I am trying to make a web application with a map server and two receivers one for ais and the other for planes. The project will be without the use of internet maps inside LAN. Is it possible to do ...
3
votes
1answer
169 views

Exporting Shapefile to SVG using Java & GeoTools?

I am currently working on how to read in ESRI shapefiles, parse/edit layers and then export out to SVG (Scalable Vector Graphic) file type. I have been using GeoTools primarily for reading/loading ...
16
votes
5answers
8k views

Geocoding API Comparison

Is there a good updated source for comparing existing Geocoding APIs (i.e. Google, Mapquest) and their features? I'm really interested in their language support as well. For example, Google has ...
0
votes
0answers
25 views

How to draw traffic line in small two-way street like google traffic?

I am making an app with some function same as a traffic map. But I have been stuck with below problem for weeks I have used the "Snap to roads" method to match GPS data from mobile device to road ...
0
votes
1answer
152 views

PermGenSpace error in Tomcat with geonetwork 3.0

I'm running a geonetwork 3.0.1 instance on tomcat7. Regularly, i.e. every few actions of my only user, my tomcat runs into a PermGenSpace error. This especially occurs during harvesting of other ...
2
votes
1answer
68 views

Small GeoTiff of the world very slow when zoomed in to city level

I'm new to GeoTools and as a start I'm trying to display a small GeoTiff file on a map . The GeoTiff files I'm using are under 10MB (for example a 1MB file at 720x360 pixels) and covers the entire ...
1
vote
0answers
27 views

How to use ST_fromGDALRaster correctly with a given GeoTIFF

I am trying to import gdal raster data (a GeoTIFF) to a Postgis database, using the ST_FromGDALRaster method (http://postgis.net/docs/manual-2.1/RT_ST_FromGDALRaster.html). The question is that I ...
4
votes
0answers
125 views

What is the structure of Standard Interchange Format (SIF) used by spatial data providers?

What is the structure of Standard Interchange Format(SIF) used by navteq and other spatial data providers? Any documentation/sample files? Is there a SIF parser available in C/C++/Java/PHP ?
2
votes
1answer
61 views

UnsatisfiedLinkError caused by org.gdal.ogr.ogrJNI.GetDriverCount()

I am developing in Java on Windows 7 with Eclipse (Luna). I am using gdal for some ogr processes and running the application from eclipse is fine, but running from command line on the same machine ...
1
vote
0answers
25 views

Geoserver: Problem with default styles

Somehow, many of the layers in Geoserver got misconfigured. I can not say how this exactly happend, since this also applies to layers I have not even touched in a while. When I try to query the ...
2
votes
2answers
61 views

How to use IDatabaseConnectionInfo3 Interface ArcObjects!

I try to retrive the connected users from an entreprise geodatabase using ArcObjects . first I tried to cast My workspace to IDatabaseConnectionInfo3 but it throws ClassCastException ...
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 ...
0
votes
0answers
9 views

Set Proxy GeoServer Manager API 1.5.2

I'm new to geoserver manager api, and wanted to know how to set the proxy to use the GeoServerRESTPublisher and GeoServerRESTPublisher classes because my geoserver is remote and my internet ...
1
vote
0answers
96 views

How add two coverages with different bounding-box and different resolution using geotools

I'm developing a Java application with some spatial analysis operations. One of the operations is to add two coverages. But how can I add two coverages with different bounding-box and different ...
8
votes
4answers
4k views

Embedded spatial database for Java?

Are there any embedded spatial databases for Java? I've come across H2 Spatial, but it was difficult to tell the status of that and if it can be used as an embedded spatial database.
-1
votes
1answer
40 views

How to order points on a road linestring to follow the road

So I'm using a osm2pgsql schema. When I get a road, the points in the linestring don't have an order, so when I try to draw the road, it won't follow the road but will be a bunch of lines. Do I have ...
0
votes
0answers
76 views

Adding rasters with GeoTools

I'm using org.geotools.process.raster.AddCoveragesProcess class, to add two raster's with same resolution and buonding box. I get the following exception java.lang.IllegalArgumentException: Range ...
0
votes
0answers
90 views

Calculating intersection between lines with GeoTools (java)

I have ArratList<Segment> (N segments - array size is N) when: public class Segment { Node vertex_1; Node vertex_2; } public class Node { double latitude; double longitude; } ...
1
vote
0answers
36 views

How to fetch the street Names from OSM in android?

I am trying to make a program that will be able to fetch the street intersection coordinates in a given radius. I have OSM map on android. Now I am in the blur and cant see what to do! I have a ...
1
vote
0answers
24 views

Create compressed GeoTiff in Java

I've got a typical two-dimensional array in Java with values which represent a grid. Rows, columns, coordinate system (latlon), origin and cell size are known. I am able to export this data as ASCII ...
0
votes
0answers
154 views

draw a map from encoded polylines

I'm using the google maps web services service to find a route. From the json response I parse it encoded polylines and store it on coordinates String. private String parseJson(String s){ String ...
0
votes
0answers
158 views

Use postgis functions in restful web service java

I am trying to access Postgis functions in Restful web service JAVA. I am using netbeans 8.0.2, Glass Fish, J2EE 7 to create web service, PostGres 9.2 and postgis 2.1.1. Connection to postgres is ...
1
vote
1answer
38 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 ...
1
vote
2answers
162 views

library to create static maps (an image) with custom map features

Do you know if there is a small library (preferably in python or java) around that allows the creation of static map. Something where you can specific the URL of your TMS server, width and height in ...
1
vote
1answer
49 views

How to pass custom data in GeoJSON point?

I have an application, which creates a GeoJSON stream on the server, which is then rendered on the client (using CesiumJS). GeoJSON is created using GeoTools. I want to pass some custom data to the ...
2
votes
0answers
37 views

Geoserver: Exception when importing KML

I have a KML that I would like to import into Geoserver. The KML originates from a Geoserver WFS getFeature Request itself and looks like this: <?xml version="1.0" encoding="UTF-8" ...
1
vote
1answer
62 views

How to select from geometry column in postgresql?

I've got a table which it has a geometry column filed by some point (ex. "POINT Z (116.309627 39.991285 148)"). now I want to select point's id from the table. I wrote follow sql Code but I force an ...
2
votes
1answer
108 views

How to query a JTS QuadTree using a query envelope with holes

Hi I have a Java Topology Suite QuadTree containing Points, now I'm trying to query the QuadTree with a polygon that contains a hole. Here's how I create the polygon. //Method will create a ...
0
votes
0answers
23 views

Can we integrate QGis with Java? [duplicate]

Inegrateion of java with Qgis and its extensions? In case, If integration is possible can we use multi-threading qgis and java?