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

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Unable to Load GloVIS using Java 8 due to Security Requirement (Windows 8, Java 8 v.40)

After migrating to a new PC running Windows 8.1 (64-bit), and updating to the most recent Java 8 version (update 40), I am unable to load the GloVis website (http://glovis.usgs.gov/); every time it ...
3
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0answers
38 views

Adjacency matrix for polygons using Java

I am trying to create an adjacency matrix from a set of polygons. That is, I have a bunch of polygons and I want to identify which polygons have a common edge or "touch" each other. Once I find this ...
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1answer
31 views

How can I convert bytes to geometry?

Recently I have reviewed that postgreSQL provides support for Geometry objects in database. But in my old sql servers I have bytes data type for shape in database. Now I want to convert those bytes ...
2
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0answers
46 views

PostGIS: What is the difference between regular R-tree and R-tree on top of GiST?

I have built a spatial index structure that I am trying to compare with other existing spatial index structures. I have to either code (in Java) the same logic that PostGIS uses or find a java library ...
0
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1answer
22 views

connect gdal-java with tomcat

I am trying to run: SpatialReference poSourceSRS = new SpatialReference(); poSourceSRS.ImportFromEPSG(4326); String unit = poSourceSRS.GetAttrValue("UNIT"); System.out.println("unit: " + unit); on ...
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1answer
41 views

WFS response Format

I want to develop a WFS Server. When a client request read a layer, What the response of format should be? Note: The language of this project is java servlet.
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0answers
39 views

Print two different maps object in one layout template in Arcgis javascript api

I'm trying to publish a print service that accepts two maps objects, sent by javascript and print them, I found PrintTask() wedjit, something like printTask.map=map, my goal is to try to send two map, ...
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1answer
84 views

Create an interactive map in java with shapefiles [closed]

How can I Create an interactive map in Netbeans by using a shape file of world map? Which of below options are suitable? OpenLayers, OpenStreepMap, GeoServer and WMP? How can them help me? Thank you. ...
4
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1answer
668 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 ...
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31 views

How to register a font (.TTF) to use for a GetLegendGraphic request in GeoServer?

The .TTF font in the data/styles folder & cleared my Resource Cache from GeoServer 2.5.2 but when I go to make the request it's not changing the font like one SE answer suggests. ...
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0answers
46 views

ESRI ST_Geometry struct parse in java

I am trying to read and parse the ESRI ST_Geometry which is an oracle user defined type in java manually, and I follow this instructions, and it said that: .... Points: Contains the byte stream of ...
3
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1answer
343 views

ArcObjects - WFS:

Hy, has anybody an example concerning accessing data from a WFS server by using the DataInteropability in ArcObjects? I'm getting the right field definistion, but don't know how to read the data. ...
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0answers
20 views

.ecw viewer in java

I am trying to implement a map feature in my Java app (it needs to be a component), the maps I'm using are orthophoto maps in .ecw format. The problem is that I can't find a proper viewer for that ...
2
votes
3answers
2k views

ArcSDE 10: How to read/write to Oracle with ST_GEOMETRY using Java

I found the following in the deprecation plan of ArcGIS 10.2: ArcGIS 10.2 will be the last major release to support the ArcSDE SDK with the ArcSDE C and Java APIs. Today many other options are ...
6
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4answers
498 views

Migrate in a new programming GIS language

The last five years I have been working with VBA and ArcObjects for developing a specific application within ArcGIS. That project that began around 2008-2009 carried out with VBA and ArcObjects which ...
0
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2answers
152 views

Read position from windows tablet GPS

I have a Lenovo Miix 2 tablet and I am developing a project with a Java servlet. I want to read GPS data in my project. Can I read this data using Java? and/or HTML5? update: In this project, I can't ...
2
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1answer
272 views

Setting up Eclipse for ArcGIS Engine Java development?

I'm trying to setup Eclipse for ArcGIS Engine 10.0 development. I've been reading for days and weeks through the documentation and through the forums here and elsewhere. It seems that no one has this ...
4
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3answers
7k 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
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1answer
37 views

ArcGIS WMS in Android. ArrayIndexOutOfBoundsException

I have a simple Android application that used the ArcGIS SDK to render a map, that works fine, but when I try to use a WMSLayer to render over my map, it generates me an ArrayIndexOutOfBoundsException ...
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2answers
73 views

Load multi CSV files from local disc to Postgres

I want to load a lot of CSV files from a local disc in an already created postgres database. Which is the easiest way to do that? By using SQL or Java? I suppose that I need a loop for doing that, but ...
0
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0answers
6 views

Arcobjects Java 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 ...
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1answer
46 views

Partitioning Polygons layer to smaller partitions

I Have a huge polygon layer which contains many thousand polygons> i am going to operate an intersect loop for every point in the layer with near polygons. i use ITopologicalOperator op = ...
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1answer
90 views

How to transform data from a custom projection in JTS?

I have some data in NAD_1983_StatePlane_Texas_Central_FIPS_4203_Feet I wish to programmatically transform the coordinates to Lat long in WGS84 datum using JTS. I know that JTS can transform the ...
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2answers
98 views

Find unit of EPSG-Code

I need a way to find out the unit of an EPSG-Code (e.g: meter) from java (ogr, gdal, osgeo?) but any other approach would be fine as well. I want to do something like: if(epsg.unit==meter){ do ...
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0answers
20 views

How to obtain a `GridCoverage2D` from Geoserver raster layer?

I am learning java programming with geoserver. I see that in geoserver web services if you pick a raster layer as an input parameter (e.g. img1) from the web service builder interface, in the java ...
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1answer
127 views

How to Read&Write .tiff images in java using GDAL library

I searched many sites to learn about this but I didn't find anything. I need step by step process for reading .tiff monochromatic image in java using Gdal library.
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1answer
28 views

recommendation of map viewer

I am looking for software to present GIS files (OSM preferred) with these features: work offline (means I can download a map and present it online in the software). compatible with Windows 7, 32 ...
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0answers
38 views

How to combine two `GridCoverage2D` to make a new `GridCoverage2D`

I was wondering if there is any GeoTools code example which combines two GridCoverage2D to make a third new GridCoverage2D? I can find examples for reading pixels from GridCoverage2D or writing a ...
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4answers
2k 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
33 views

Is there anyway to load a Geoserver map through a Rest Service that I have created?

I am in need of loading my geoserver map through a "proxy" which is my backend java. So I was wondering if it was possible to load the tiles through a rest service call. Here is what I have as a rest ...
2
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1answer
54 views

How to programmatically partition a large Polygon in smaller parts within a given Area Threshold?

I'm looking for a Java library, or even an algorithm to do the following: I have a large polygon, about the size of a large city. I need to break it down into smaller polygons such that: The area ...
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0answers
23 views

need help to learn coding in GIS [duplicate]

I did my masters in GIS, and I am looking forward to learn coding in java etc for GIS, need help in choosing the courses related to coding / development side of the GIS industry.
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55 views

ogr2ogr in java gdal

I would like to code ogr2ogr -f "GeoJSON" destination.geojson source.geojson -s_srs EPSG:3068 -t_srs EPSG:4326 in java-gdal. I tried to understand how it should work by looking at this example but ...
0
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1answer
49 views

Usage of gdal.Polygonize(,,,)

I am trying to code gdal_polygonize source.png -f "GeoJSON" destination.geojson with the java-bindings of gdal. I don't know how to make gdal.Polygonize(...) create the "DN"-Fields one obtains when ...
0
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1answer
96 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 ...
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1answer
51 views

Using Intersect tool Java

i am trying to pass polyline and polygon feature classes i am not sure how to pass the list of features to the Intersect object: i tried this method: ArrayList<Object> featuresList = new ...
4
votes
1answer
3k views

Convert Gauss-Kruger to UTM

How to covert Gauss-Kruger coordinates to UTM coordinates with GeoTools java library? As I have figured out the location (zone, country) is important. I need the calculation for Slovenia.
0
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0answers
61 views

Creating WMS Tile images on server Programatically

I am using WMS services on client side applications, OpenLeyers. I am adding Tile service for base map, WMS service for road ways, cities etc. Javascript app is creating a view of services. Can I ...
0
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0answers
72 views

How to delete a feature class from a GDB using ArcObjects for Java?

I've seen this solution which may works in ArcObjects for VB/.Net: How to overwrite a shapefile or feature class using arcobjects When I try to convert it into Java, I get a ClassCastException on ...
1
vote
1answer
62 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 ...
0
votes
1answer
117 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 ...
3
votes
2answers
106 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
votes
1answer
161 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 ...
1
vote
0answers
32 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 ...
2
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0answers
182 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
143 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 ...
3
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0answers
142 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. ...
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0answers
15 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 ...
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2answers
61 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
votes
1answer
169 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 ...