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

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0answers
30 views

S57 Ecdis extract data

I have multiple S57 Ecdis files and would like to extract some data out of them. In specific some 'depth' data which is bound to lat/lon coordinates. I will need to bulk process all the data and group ...
2
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1answer
20 views

GeoWebCache Upgrade Error

I'm attempting to upgrade to a new version of GeoWebCache from 1.3. I'm trying to upgrade to version 1.7.2. I blew away the geowebcache directory under the Tomcat webapps and also deleted the ...
4
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4answers
3k 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 ...
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2answers
57 views

Extract border polygon from a geometry

I am wondering if there is a way, algorithm, tools, to create, from a geometry, another one that is the border with a certain thickness. The idea is to get something similar to that : This looks ...
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1answer
59 views

KML 2.2 parsing with a group of point Geotools

I am doing a viewer with geotools and I am trying to read a kml file. I am using PullParser class for parsing and also I am using KML and KMLConfiguration classes from org.geotools.kml.v22 package. If ...
5
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2answers
6k views

How to parse KML data using geotools?

Geotools contains some packages dealing with KML: org.geotools.kml and org.geotools.kml.bindings. I assume it was designed to parse KML data. Do you know how to use it?
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1answer
87 views

Reverse Geocode latitude longitude with Geotools using Natural Earth Shapefiles in Java

I am trying to perform reverse geocoding in Java using GeoTools and Natural Earth Shapefiles. I just want to pass latitude longitude and get the corresponding country name + state name. I have ...
1
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0answers
264 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 ...
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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
34 views

(Geotools) Get 2 Selected Layer out of the MapTableLayer

I have a Method that calculates the Area of 2 Layers of different topologic Relations, which needs 2 collections. In the Button where I use this method, I want to get just 2 of the selected Layers in ...
0
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0answers
52 views

Runtime error R6034 running a java/arcobjects program

I made several programs using ArcObjects for Java always getting this error at different times of execution: If this error occurs, we just have to click OK and the program continues without ...
1
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1answer
142 views

How to use Intersect tool in ArcObjects

I'm trying to use the Intersect tool in ArcObjects SDK Java with two feature classes. Here is my code: public void intersectTwoFeatureClasses(Object in1, Object in2, Object out) throws ...
0
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2answers
161 views

Android Google Maps average polyline paths

I'm making an android app that maps my path through plotting polylines using the google map API. If I have several of these paths, it just looks like a bunch of paths plotted on top of each other. Is ...
1
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1answer
66 views

How to return coordinates of my location using LocationDisplayManager (ESRI API)?

I'm trying to create an application which works with lat and long of a device position. I'm using LocationDisplayManager class to find and to map a location. MapView mMapView = null; public void ...
1
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0answers
28 views
5
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5answers
822 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
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0answers
30 views

Creating a data store from a GetCapabilities WFS URL

I'm coding a geoserver manager with geoserver rest api (version 1.7) and I'm looking for a function that can create a data store from a GetCapabilities WFS URL. Inside Geoserver, I go to "Store - Add ...
2
votes
3answers
418 views

Choosing Java web framework for project?

We are developing java web gis application. We use geoserver, postgis, geotools(all the core code). We need to show/hide(or create/delete) dynamically vector layers(from shape file) and raster ...
17
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6answers
2k views

What embeddable web-based maps exist?

Some of the ones I'm familiar with (in no particular order): Google Maps (http://code.google.com/apis/maps/index.html) Bing Maps (http://www.microsoft.com/maps/developers/) Yahoo Maps ...
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0answers
68 views

GPRS data receiving in Java [closed]

i am creating a java program that will receive data from GPS tracker device and will store it in MySQL. for this purpose i need to create a GPRS connection for receiving data. Can anyone help me how ...
0
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0answers
96 views

How to find a polygon from coordinates provided

I am really new with PostGIS, and I need to find a polygon providing (lat - long) coordinates. My goal is, get the coordinates x and y passed by parameters, and find the polygon which where this ...
1
vote
1answer
62 views

Geotools create shapefile in memory

Is it possible to convert between shapefile and geojson using geotools without access to file system? I have that restriction in my web app, but I need to create shapefile as byte array and then do ...
1
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0answers
36 views

Why do I get incomplete answers using google maps api in java?

I'm using google maps API in java to check wether some places are correct, but I don't get all possible responses: GeocodingApiRequest req = GeocodingApi.newRequest(context).address("Sydney"); try { ...
5
votes
3answers
9k views

Geoserver/java out of heap space - how do I increase it?

I'm new to Geoserver, Ubuntu and Java, but have downloaded a virtual machine from gisvm.com and am getting up to speed. I got as far as configuring it with some fairly large shapefiles from a project ...
0
votes
1answer
56 views

Error in using gdal java binding

I am using the java binding of gdal to project a set of coordinate points from UTM to lat/log using the CoordinateTransformation Class of gdal. I have written the code as follows: ...
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0answers
26 views

How delete feature from layer using Gdal binding java

I am trying delete one feature from layer using GDAL in java https://trac.osgeo.org/gdal/wiki/GdalOgrInJava But nothing happens. ogr.RegisterAll(); Driver driver = ogr.GetDriverByName("ESRI ...
3
votes
2answers
2k views

Programmatically converting arbitrary XML data to shapefile?

Based on the answers below I decided to do some programming. I'll be using GEOtools for this, a java lib: http://www.geotools.org/ I have the following XML: <shapes ...
0
votes
1answer
48 views

Geotools filterfactory not found exception

Can anyone help me out of this exception. In a geotools query program i am using Filter filter = CQL.toFilter("CONTAINS(the_geom,POINT(-115.56,67.567))"); and when am running the program using ...
1
vote
1answer
250 views

Plot the longitude and latitudes on map using geotools

I am new to geotools and i find bit difficult to plot a point using the latitude and longitude values. can any one help me out to solve my problem. I tried the following code but not helpful.By ...
5
votes
1answer
734 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 ...
0
votes
0answers
43 views

geotools shapefile does not support utf-8 for dbf header

I create a ShapefileDataStore to create a new shapefile and call dataStore.createSchema(...) . But it does not work for utf-8 header fields. I checked the geotools source code and realized that it ...
3
votes
1answer
635 views

JTS - Java Topology Suite - Calculate radius from a given point

From point A, I want to check if a point B is within a certain radius from A. How calculate it usindo JTS? I tried this: Coordinate posicaoAtual = new Coordinate(-12.974900375893823, ...
2
votes
1answer
1k views

Add-in installed, but its elements not appearing in ArcMap

I'm creating an Add-in for ArcMap 10.1. When I export file testproject.esriaddin and install (whether double-click or from Customize Mode > Add From File dialog), message of success appears. But ...
0
votes
0answers
26 views

gettting Protocol version error in arcgis runtime java api

I am using Netbeans IDE 8.0.2 to develop a small Java application with ESRI java APIs. I donwloaded ArcGIS_Runtime_Java.jar from net and attached it to my java application. Running the following ...
0
votes
0answers
43 views

Copy specfic layer to new datasource using OGR Swig Java bindings

Is it possible to efficiently copy a specific layer from one datasource to a different datasource using GDAL/OGR Java bindings? I know it is possible to create a new layer in the target data source ...
2
votes
0answers
26 views

No Exception Handling in GDAL/OGR java bindings: ogr.UseExceptions() has no effect

When a GDAL/OGR 2.0.1 swig/java operation encounters an error, the message is written to stderr but no exception is thrown within the application -allowing it to continue, which is highly ...
2
votes
1answer
279 views

Adding INDEX to IFeatureClass with ArcGIS SDK for Java?

I want to add an index to a feature class. To do so, I used the very short and complete example given there: ...
1
vote
1answer
51 views

Can't create PNG file with “st_png” function PostGIS and Java

I have this code in Java: conn = DriverManager.getConnection ("jdbc: postgresql: // localhost: 5432 / postgis_23_sample" "postgres", "admin"); conn.setAutoCommit (false); String s = "SELECT ...
0
votes
2answers
89 views

JTS Vividsolutions API: compute First (direct) geodetic problem

I'm using the popular JTS Vividsolutions API for Java. I'm struggling to find if I can perform calculation of the First (direct) geodetic problem with the API. Is there a way to calculate this with ...
3
votes
1answer
1k views

How to edit a given version of geodatabase?

I have a versioned geodatabase. Any of that versions are used only by one user. So then user called "XXX" has a version called "XXX". So then now I want to make a changes on given version, but when I ...
0
votes
1answer
75 views

How to clear JMapFrame with multiple layers

Is there any way to clear a JMapFrame and all of its layers before opening a new file? I currently am running into an error (exception no stack trace) while opening a file with one already open that ...
1
vote
1answer
20 views

Does openJump or Jump support the embedding of videos or images?

I've been tasking with writing a plugin for openJump that does precisely that. The idea is that you have some points/markers and when you click on them a video/image is presented (whether in a dialog, ...
1
vote
0answers
40 views

Arcobjects event on featurelayer symbology change

I am working on an Java AddIn project for ArcMap. I need to find the event when user changes the symbology for a layer added in TOC. So far my best bet is to useIActiveViewEvents class on map, and ...
1
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0answers
38 views

Converting coordinate obtained from google maps to be used with gdal_translate in java or cs2cs?

this is a follow on question from Geo-Referencing an image from google maps with gdal_translate I am trying to get cs2cs to work but I am getting the following error. My command is as follows: ...
1
vote
2answers
1k views

Getting time dimension from GRIB file?

I have a GRIB file from NOAA that contains several variables for a specific subregion in Norht-East Atlantic. I'm using ECMWF grip-api Python library to parse the file. While I'm able to get the ...
2
votes
2answers
274 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 ...
5
votes
1answer
602 views

Algorithm to find N nearest points to point

My situation is that i'm trying to build a mobile app, and find the x number of points closest to a users location that satisfy certain conditions that the user chooses on the front end. My current ...
2
votes
4answers
559 views

Create shapefile from data PostGIS or KML using Java

I'm working on a geographic information system project, whose products form shapefiles. I am using the Java programming language and a PostGIS database. Is there a way to generate a shapefile from ...
4
votes
3answers
3k views

converting/parsing geojson into com.vividsolutions.jts geometry

Does any has any experience with converting string geojson into com.vividsolutions.jts geometry object (point, polygon, etc). Maybe there is some java library I cannot find. Greets!
1
vote
2answers
154 views

Creating a raster file from a shapefile using GeoTools with different colours for different features

The shapefiles that I am processing display information on an operation of a piece of equipment over an area, where the information is stored in steps as polygon features with various attributes and ...