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

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64 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
82 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
314 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. ...
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0answers
149 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. ...
0
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0answers
128 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 ...
0
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0answers
66 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 ...
0
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2answers
388 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 ...
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2answers
250 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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1answer
100 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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1answer
77 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 = ...
1
vote
1answer
493 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 ...
1
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0answers
30 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 ...
2
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2answers
168 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 ...
1
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1answer
487 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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0answers
89 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 ...
0
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1answer
36 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 ...
2
votes
1answer
142 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
76 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 ...
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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.
0
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1answer
143 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 ...
1
vote
1answer
121 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 ...
0
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1answer
418 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
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1answer
96 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
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1answer
410 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 ...
4
votes
2answers
219 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 ...
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 ...
5
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2answers
4k views

GeoJSON java library

I am creating a Java web service that receives GeoJSON. Does anyone know a java library to manage GeoJSON?
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0answers
26 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
votes
2answers
252 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 ...
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0answers
119 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 ...
0
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0answers
97 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 ...
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0answers
184 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
28 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 ...
1
vote
1answer
149 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 - ...
2
votes
1answer
126 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 = ...
2
votes
1answer
180 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
184 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 ...
0
votes
2answers
128 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 ...
1
vote
1answer
202 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
70 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 ...
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0answers
48 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 ...
1
vote
1answer
77 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 ...
2
votes
1answer
189 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 ...
1
vote
0answers
194 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 ...
0
votes
1answer
142 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 ...
1
vote
1answer
794 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
132 views

What application server or web framwork to use [closed]

I'm looking to make a webmapping app, which gonna use Geoserver as carto server, and Postgres/postgis as Dabatase, and Extjs as client UI. but i'm in dilemma in application server side, between PHP, ...
1
vote
0answers
24 views

Long delay when updating rows of a feature layer or modifying elements of a graphic layer using arcObjects in java

We are developing a simple AddIn for arcMap for the first time using arcObjects in java. The application consists basically on the following steps: 1. Obtain a Network layer which was loaded in ...
3
votes
1answer
570 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 ...
2
votes
1answer
472 views

Read In SRTM HGT elevations using Java

I have read the following posts on reading in SRTM HGT elevations- How do you convert SRTM HGT elevations from WGS84 into meters above sea level? and How to extract elevation from .HGT file? I am ...