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

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4
votes
3answers
422 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
13 views

How can i find shortest point on edge of a polygon from a point to that polygon (not it's distance ) [duplicate]

Point(x,y) may be inside or outside of the polygon ,shortest distance between polygon ABCDE and point(x,y) is marked as red line ,the intersecting point is Point(m,n) .I need the value of m and n I ...
1
vote
0answers
56 views

Java library for rendering

We have some shapefile data and we tried to render them according to scope (boundingbox) from user. For example, the client may send request like this: ...
0
votes
0answers
90 views

Splitting multiple polygons with a line in JTS geotools

i am using geotools as my GIS map solution. now i want to split multiple polygons to build a road or river. passing through multiple polygons so, can you plz help me how to do this splitting a single ...
0
votes
2answers
327 views

storing images in mysql from WebGIS applications

I'm a complete amateur at writing code. I would like to make an application for storing LNG, lat, and other data, as well as images in mysql. I've set up, I made a separate application for storing ...
0
votes
1answer
751 views

I nead to find the nearest places based on latitude/longitude points

I have a java aplication backed by a mysql database which contains events with locations (latitude/longitude), the location data is saved as POINT data type. I nead to find the nearest events in some ...
0
votes
2answers
265 views

Architecture for java ee application

I´m new to GIS development. I have read about Openlayers, maps servers (i choose Geoserver), geodatabase (in my case i choose PostGis) and theory of gis in general. I´m developing a Java EE ...
0
votes
1answer
31 views

Not able to find some of the gdal drivers when using the java bindings as opposed to gdal by itself

I am new to the gdal scene so there might be a simple explanation for my problem. When executing ogrinfo from the command line there is a large list of supported formats. ...
0
votes
1answer
79 views

Create shapefile from data postgis / kml using java [duplicate]

I'm working on a geographic information system project, whose products form shapefile. I am using java language, and PostGIS database. Is there a way to generate a shp file from PostGIS or kml using ...
0
votes
0answers
50 views

Getting placemarks on map and setting bounds based on all placemarks

I'm trying to do what most folks do in the Google Maps API, and add a bunch of markers to a WWPanel and then adjust the map bounds to fit all Placemarks in the WWPanel view. How can this be done? This ...
1
vote
1answer
190 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
51 views

Point to Line Calculations

We are looking to take a point and compare it against the nearest point to an adjacent line. All values are in lat/long. We tried using some of the concept found on the board but found it did not ...
0
votes
0answers
56 views

Extract BoundingBox with Osmosis Java API

I'm am trying to use the Osmosis Java API to extract reasonably sized blocks from the OSM planet file using the BoundingBoxFilter. Note: I'm using maven Osmosis packages NOT the command line ...
2
votes
1answer
139 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 ...
0
votes
0answers
37 views

Function that returns the coordinates of the searched address

I'm using Java and GMaps4JSF to make an application where the person pesquisaum address that address is displayed on the map. As the code below, but I need to create a javascript function that ...
0
votes
0answers
59 views

Polygonize a raster using GDAL JAVA bindings - passing raster pixel value to the resulting feature

I have a raster GeoTIFF file with values from 0 to let's say 5. When I run gdal.polygonize (I'm working with JAVA and GDAL bindings to JAVA) on it, I get features with corresponding polygons. The ...
0
votes
0answers
47 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 ...
0
votes
0answers
63 views

How to create GeoTiff file from .h5 file?

I have .h5 file containing Latitude, Longitude and Dataset(I m working multiple type of dataset).And I want GeoTiff file of it contains all Information related to GeoTiff. So is there any way to ...
0
votes
0answers
25 views

Rendering layers on-the-fly

I am using Geoserver and openLayers for rendering map layers. The task I have to do is as: I will have a set of zipcodes of US. I need to display a map of states for each zipcode. Suppose a user ...
0
votes
1answer
82 views

Is there any tool to reproject x,y coordinates, apart from Proj4?

I have a JEE project (Java, JBoss) and I'm looking for a library that allows x,y coordinates reprojection. I know about Proj4. Do you have any other option? Is it possible to find on the net a ...
3
votes
0answers
327 views

Hibernate Spatial - 'Invalid endian flag value encountered' Exception

I'm trying to run a simple query in Hibernate Spatial 4.0 on PostgreSQL 9.3. I have a number of objects in a table with latitude/longitude values, and I'm trying to query objects that fall within a ...
0
votes
0answers
15 views

Read .nc file with time range

I have a .nc file and I want to split this file for a given time . I have a Var (time,lat,long) I am using read with Range to split my variable. For instance, I need to keep only the last time. ...
4
votes
1answer
166 views

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 ...
3
votes
1answer
58 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 ...
1
vote
0answers
85 views

Converting geometry to geography using org.geotools.geometry.jts.JTS

I'm trying to convert com.vividsolutions.jts.geom.Geometry to geography, using the GeoTools package - org.geotools.geometry.jts.JTS. This is my code: public Geometry getGeography() { Geometry geo ...
0
votes
0answers
13 views

Convert ECF to Suface ECF

I'm using the 3D Earth WorldWind Model and I have a path that I want my object to travel. I set the the destination and interpolate to the end point from my current location. The problem is using ECF ...
0
votes
0answers
21 views

Is it possible to export MapJ object into TAB file in MapXtreme?

I am trying to open a TAB file having geometry information and bind/join it with JDBC Table having attribute information. Now I have to export the joined table along with map/geometry information from ...
0
votes
0answers
48 views

Develop custom toolbox for ArcGIS in Java- How to get developer kit Eclipse plugin

I'm omw to create a custom geoprocessing toolbox for ArcGIS (ArcMap). I've read ressources and documentation for days now, but I still wasn't able to get the needed Eclipse Plugin referenced here: ...
0
votes
0answers
43 views

landsat with C# or Java

I have imaged data about landsat8 satellite. These are raster data, i want to process to take out the temperature of each region (geometry). I can do this in postgresql, but i don't want to store the ...
0
votes
0answers
84 views

Java GeoTools - Getting CRS from SRID

I might confuse between two things, but I need to do some calculation on my polygons (distance, area etc.). Using the WKBReader, I'm getting the geo: WKBReader wkbReader = new WKBReader(); byte[] a = ...
7
votes
4answers
6k views

How to build tile server from Openstreetmap data for beginner?

I am a beginner at GIS and I am developing a Java Application which needs a map. (The map would specifically be of just one city in the Philippines.) I have researched on different ways to do this and ...
8
votes
4answers
3k 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. thanks, Jeff
1
vote
1answer
106 views

Add GIS functionalities to existing java based tool/application

I have a tool/application and want to add GIS functionalities to it. I will be mainly working with the vector data. The required functionalities are: Adding/importing the GPS point data and ...
0
votes
1answer
47 views

How to merge 2 shapefiles in ArcObjects

Using ArcObjects SDK for Java, I have the full path of 2 shapefiles: String in1, String in2, and I want to merge them using the geoprocessing tool Merge. I tried to several methods: ...
1
vote
0answers
91 views

Postgresql JDBC Table Valued Parameters

MSSQL has a great feature called Table Valued Parameters. It allows you to pass a table of a custom data to stored procedures and functions. I was wondering what is the equivalent , if exists, in ...
1
vote
0answers
87 views

Ohio State Plane to Lat/Lon

I've looked into a few other posts/libraries as far as converting between State Plane (Easting/Northing) to get a Lat/Lon value, however I've run into some trouble. I saw here ...
2
votes
1answer
110 views

pass an array of geometry to postgresql function

I am trying to pass an array of geometry to a postgis function using JDBC with JAVA: CallableStatement proc = conn.prepareCall("{ ? = call somefunc(?) }"); ...
0
votes
0answers
234 views

Successfully extracting values from a GRIB2 file…is it possible?

Let me say first that I'm starting to work with GRIB2 files, I've read the docs, and more or less know how they are structured. My goal is to be able to parse some GRIB2 files from NOAA, more ...
1
vote
2answers
190 views

Getting time dimension from a 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 ...
1
vote
2answers
1k views

Getting exceptions with simple hello worldwind java app

Let me preface this by saying I'm very new to Java, eclipse and worldwind. So, I've got a bare bones java app. I imported worldwind.jar into the build path. Created a simple JFrame, code below, and ...
0
votes
0answers
49 views

Transform map coordinates to page coordinate in ArcObjects

I have a map inside a page layout in ArcMap. Currently, I use this code to convert geographic coordinates to page coordinates: IMap map = ... IPageLayout pageLayout = ... IDisplayTransformation ...
1
vote
1answer
167 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 ...
4
votes
2answers
5k 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
0answers
59 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 ...
2
votes
1answer
56 views

How to get a map surround as an IElement in ArcObjects?

In an MXD file, I have a page layout and a map with a north arrow, and I need to move it in the page layout programmatically using ArcObjects Java SDK. I managed to get the north arrow map surround ...
0
votes
0answers
40 views

autocomplete polygon function with geotools

i'm using geotools to develop some GIS features, i don't know how to implement the autocomplete polygon function using Java code. does any one tried to do it before?
1
vote
0answers
111 views

Is it possible to run ArcGIS Engine 10.2 in Java 7?

Does anyone know if it's possible to run ArcEngine 10.2 in Java 7 ? Currently in Java 6, I need to use both ArcEngine 10.2 and Java 7 functions in the same standalone program. (I don't talk about ...
0
votes
0answers
5 views

How to add cross origin filter settings in org.mortbay.jetty? [duplicate]

I am using GeoServer 2.4.0 on Windows 2008 Server. I have installed Geoserver by using windows installer. My problem is I dont know to add cross origin filter settings in Jetty. When I have searched ...
-1
votes
1answer
145 views

how to use MBTiles4J

I got a MBTiles Server written in Java here. https://github.com/jtreml/mbtiles4j I am new to java. Can anybody briefly discuss how it works. I want to create an eclipse project with this. Specially ...
3
votes
1answer
431 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!