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

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1answer
13 views

Use osm2po to extract additional tags

We would like to improve our bike routing to also incorporate, for example, the information on the surface of the used streets. I don't quiet get how I should use the Osm2Po plugin in mechanism. I've ...
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1answer
22 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 ...
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2answers
63 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 ...
2
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1answer
125 views

Displaying coordinate references in GeoTools?

I'm using this library to finish my final project and I have to say I'm no familiar with the maps worlds. My question is if geotools has a method to show automatically the coordinates references in ...
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23 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 ...
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0answers
23 views

Advice needed on JavaFX Map Rendering

A few months ago I inherited an old (10+ years) Java Desktop application that used maps and simple icons to represent point data to various users. The application was writted in Swing and used Esri ...
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0answers
124 views

Interpolating shapefile of points to grid using Java?

I am looking for a method/prog/library(java) to interpolate points from a shapefile to a grid (file). I have seen arcgis can do that but i am looking for something free. More specific: i have ...
2
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2answers
162 views

GeoJSON java library

I am creating a Java web service that receives GeoJSON. Does anyone know a java library to manage GeoJSON?
3
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0answers
119 views

Rendering performance

I am using ArcGis Java SDK for creating a map in my JavaFX application. I have a requirement to plot up to 500,000 graphics on graphics layer. When I do 100,000 graphics its performance is really bad. ...
2
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1answer
467 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 ...
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0answers
9 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
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2answers
339 views

From OSM to shape. Parsing problem

I'm working at OpenStreetMap project for android at the moment. I want to retrieve OSM data from my app(nodes, markers and paths) and convert it to shape file (.shp, .dbf and .shx). Later, I'll load ...
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2answers
28 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 ...
2
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1answer
137 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 ...
2
votes
1answer
110 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
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0answers
33 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 ...
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0answers
12 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 ...
0
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1answer
156 views

Spatial query without spatial database module?

I have the following scenario: Oracle database without the spatial module. Application in J2EE with the following architecture: -- Entity -- Persistence (DAO / JPA + JDBC) -- Business (BC) -- Vision ...
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0answers
35 views

How can I draw a Line on a Shapefile?

I have a problem, in Java I can draw points on my Shapefile, but I don´t know how to draw a Line. I found the SimpleLineSymbol, but don´t know how to use it further. My first try was ...
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1answer
635 views

ArcGis Server Java script API error code 500 while using proxy.ashx on one particular server

I am looking for help with using proxy.ashx in Javascript API on one particular server at a client site. We have a GP service that the proxy is used to access (when request is more than 2048 ...
2
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2answers
273 views

How to read each pixel of each band of a multiband GeoTiff with GeoTools Java

I am new to working with Raster in GeoTools-very experienced in java. My goal is to read in a geotiff that has multiple bands, then create a HashMap for each pixel, where the key is simply the lat/lon ...
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2answers
182 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 ...
2
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1answer
34 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 = ...
3
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1answer
693 views

GeoTools WFS Feature retrieval

I am trying to use geotools to retrieve the list of features served by a WFS. I am following the tutorial provided at http://docs.geotools.org/latest/userguide/library/data/wfs.html. The code that I ...
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0answers
24 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. ...
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0answers
10 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 ...
2
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2answers
105 views

Framework/software for dynamic WPS creation

We have some specific EO data processing facility and are about to provide an access to one using WPS-based interface. The are plenty of solutions for the task. However, it is hard to find one that ...
1
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1answer
49 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 - ...
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0answers
148 views

ArcGIS Custom Toolbox crashes ArcMap 10.0

I have prepared Custom ArcToolBox using ArcObjects in java. It was working fine before though was giving NullPointerException but this something java related error and that is fine. Later I have ...
2
votes
1answer
79 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 ...
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0answers
24 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 ...
1
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1answer
103 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 ...
2
votes
1answer
149 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 ...
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2answers
495 views

Get selected features on ArcMap in arcMap Addin (eclipse)

I am building a custom arcMap Addin button which onclick event tells info about selected features. Following is my java class --- public class Break extends Button { /** * Called when the button ...
4
votes
2answers
2k 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> ...
0
votes
1answer
78 views

Communication between widgets (flex)

Default Communication between widgets hi, i'm new in flex, and im working on Webmapping application using flex 4.6, java, and sql server as database, i'm just trying to make a communication between ...
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0answers
6 views

Using CQL to query Multiple WMS layers? [duplicate]

I have two WMS layers, one with points which lie on a state map. I want to use cql to display a particular state and points on it ..when I separate the queries with a semicolon (ex ...
1
vote
1answer
32 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
15 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 ...
2
votes
1answer
170 views

Create image (TIFF/PNG) from geodetic (lat/long) data

Using Java, I need to render a bunch of geodetic data to an image, ideally TIFF or PNG. Specifically this is weather data, with each sample having a latitude, longitude, and amplitude value. I'd like ...
1
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0answers
15 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 ...
3
votes
1answer
213 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 ...
1
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1answer
39 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 ...
0
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0answers
57 views

Obtaining developer kit Eclipse plugin to develop custom toolbox for ArcGIS in Java?

I'm trying to create a custom geoprocessing toolbox for ArcGIS (ArcMap). I've read resources and documentation for days now, but I still wasn't able to get the needed Eclipse Plugin referenced here: ...
0
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1answer
57 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 ...
2
votes
1answer
46 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 ...
10
votes
4answers
1k views

How would I create my own geocoding web service

I would like to write a geocoding web service for genealogy in Java. Because it is for genealogy, I don't need to go down to the street level. I only need to go down to the county. Looking at ...
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0answers
64 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 ...
1
vote
1answer
65 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 ...
3
votes
1answer
82 views

Creation of tiled grid in JAVA with geotols

I am trying to create a grid using GeoTools in JAVA, covering specyfic area with resolution 50 m (distance between two points). To do so I have two points: the most nortwestern (let's call it NW) and ...