GeoTools is an open source Java library that provides tools for geospatial data.

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Direct connection from geotools to arcgis 10.3

Is it possible to direcly connect to ESRI 10.3 database using geotools ? I use geotools 13.0 and have ESRI database set up on oracle. Previously I was able to connect to SDE using gt-arcsde-plugin ...
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4 views

Insensitive case query in Geotools to WFS

I'm trying to make an insensitive case query from Geotools to WFS (Web feature service) datasource,I used FilterFactory2 with the method like(Expression expr, String pattern, String wildcard, String ...
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54 views

Check Geometry Type of a Shapefile Using GeoTools?

I want to get the type (point, line, or polygon) of shapefile using GeoTools but so far I haven't found any code. Any other Java library also works for me.
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195 views

overriding showMap

This code is not working as needed. I need just to make a window with addlayer button. import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import ...
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34 views

How do I produce a GeoJSON with 1 point at a certain lon/lat?

I need to create a GeoJSON string, which contains exactly one point at lon/lat 132.159633, 43.350116. I'm trying to use GeoTools 12-RC1 for that. Let's say I have following method, which is supposed ...
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159 views

How to add RGBA color map to single band GeoTIFF using GeoTools 2.x?

I am developing a light weight GIS application, and am looking for the simplest way to add an RGBA color map to a single band GeoTIFF using GeoTools 2.x?
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471 views

Getting DataStore Problem with Geotools

I recently found an issue with Geotools and getting the datastore for a shapefile. If I try: FileDataStore dataStore = FileDataStoreFinder.getDataStore(file); -or- Map connect = new HashMap(); ...
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69 views

Can I use “Web Map Service Module” and “Web Feature Service Module” of Geoserver in my project?

I'm developing a GIS application with java Srping Framework and GeoTools library. I have some vector layer. I want to get this layers with wms and wfs protocols. I've downloaded geoserver code. It ...
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231 views

how to find necessary geoserver/geotools maven dependencies for a class?

I am trying to create a Web Processing Service with GeoServer. I used maven following opengeo instructions, and I get an eclipse project with a pom.xml file with dependencies like the following: ...
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82 views

How to divide streets layer into 2 mile segments. [duplicate]

I have a streets layer which I want to divide into 2 mile segments. I have searched and read enough for days but there is no information on how to do this. The split command allows you to select and ...
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74 views

Using Geotools: How to convert these strange coordinates from a shapefile into regular lat and long?

I use this dataset from the European Union: http://www.eea.europa.eu/data-and-maps/data/administrative-land-accounting-units Opening the shapefile with Java' Geotools, I see coordinates like: ...
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40 views

Equidistant Cartesian projection for NYC

I'm working on a project in which I cluster locations in New York City based on their distance. My dataset contains latitude and longitude and thus I'd like to project it to a 2D Cartesian space in ...
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51 views

How to create a new shape file from jts geometries?

What I use: Java 1.7, JTS 1.13, geotools.api 14 What I have finished: Creating correct JTS geometries from OSM relations, ways and nodes. What I want to achieve: Create a csv file which contains the ...
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1answer
354 views

How to convert shp to csv

I am trying to convert my shape files to csv through a batch processing in Java using Geotools. The problem is I have more than 500 shape files (point features). The code is working fine for a small ...
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1answer
38 views

How save modified features in server side with java and geotools?

I'm developing a gis Application with java. I use Spring 4.0.1 and GeoTools-13-RC1 in server side and OpenLayers 2.13.1 in client side. In client side, I have a wfs layer and it is as follow: var ...
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29 views

GeoTools WFS Authentication

I have a connection with basicAuthentication, the getCapabilities and getFeatureStore return me correct data but when i try to commit a transaction I get the next exception: "HTTP response code:401 ...
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73 views

Geotools WFS basic authentication

I'm trying to retrieve data from remote WFS server which requires basic https authentication using GeoTools. I defined connection parameters for username and password like ...
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78 views

Is there a way to retrieve/query country data from a shapefile programmatically using map coordinates in GeoTools?

I am using Geotools to parse and draw a shapefile. Now; when I draw that map I receive coordinates with this bit of code for my Flight Line button. void selectFeatures(MapMouseEvent ev) { ...
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17 views

GeoTiff error when building Jar with GeoTools

I'm seeking some help with GeoTools. I've been using it for a school's project, I had almost no problem until now. But now that my project is done, I've tried to build an executable jar with the ...
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180 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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94 views

Problems with direct connection to ESRI Oracle db for 9.3.1?

I am trying to create a direct connection to ESRI Oracle database for version 9.3.1. When I try to connect I get this error: org.geotools.arcsde.ArcSdeException: Can't create connection to none for ...
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How to draw polygons on an existing map?

If you want a map with some circles, squares, etc. representing cities or something else you can use the following code. Note that you can change the map and the coordinates with yours, and you'll ...
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27 views

Geotools geoTiff running slow

I am using following code to display geotiff file. Its only a small file 1,5MB but when I am moving map I have online white screen which gets loaded after I finish moving but it is a bit slow for me. ...
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20 views

How can I modify the records of geotable and non-geotable in app application with hibernate-spatial and geoTools

I want to develop a GIS application with JAVA. I want to use Spring-4.0.1, and Hibernate-4.3.x. The application’s Database have GeoTable and Non-GeoTable. The records of all tables are modified. I can ...
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17 views

Geotools loading MBTiles

is there a way to load MBTiles file using GeoTools? I need to work with huge map an so far I have tried PNG + world file which was unusable (slow speed due to large files - 150MB). So I am thinking ...
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929 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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65 views

Not able to read Multilinestring and multigeometry with geotool from KML file

We are not able to read Multilinestring tag field from geotools. We are able to read multigeometry but its coordinate we are getting empty. any suggestion or code snippet would really help me. I ...
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89 views

How to get geoJSON from spring REST Controller?

I am developing a GIS application with java(Spring-4.1.5 + Hibernate-4.3.8) and OpenLayers. For this project I use GeoTools-13RC, HibernateSptial-4.3, jts-1.13 and jackson-2.5. In this project, I have ...
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20 views

How get geoJson layer whit geoTools? [duplicate]

I have a class in java: "MyPoint" Class: @Entity @Table(name="MyPoint") public class MyPoint{ @id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long Id; @Column ...
4
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2answers
259 views

Are mixed geometry types allowed in a shapefile?

Does the shapefile support mixed geometry types (ie. point and polygon all in the same file)?
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50 views

Unable to read different kind of shape files

I have written the java code to read the shapefile and insert it into the table. But the way I have written code it will accept only a multistring .shp file. It fails for other shapefile geometry ...
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18 views

Geoserver - How to make a psql-backed timestamp that uses timezones

I'm working on an application that extends geoserver and am frustrated as I'm trying to define a SimpleFeature that has timestamps that include timezones. I've tried declaring my timestamp field ...
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72 views

Is geotools transformation of EPSG:3785 (Web mercator) to EPSG:4326 wrong?

Using postgres (9.3.6) and postgis: select st_astext(st_transform(ST_GeomFromEWKT('SRID=3785;POINT( 7550310.77 4139679.02 )'), 4326)); This returns POINT(67.8255956454323 34.8217133646348) Using ...
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1answer
20 views

Problem with editing in geotools 13.0

I have a problem with getting the ID of a newly created feature in the shapefile. I have a datasource / datastore that reads and writes to a shapefile. I create a feature, add it to the store and ...
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70 views

ClassNotFound Exception: org.postgresql.Driver Using Geotool: gt-imagemosiac-jdbc-x.x.jar

I am a newbie to GIS, coming from a strict MIS background. Anyway, I have been having a little challenge for the past couple of days trying to import tiles and pyramids into my database. Using a ...
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55 views

GeoTools refresh layers in map

I need update/refresh/repaint the layer on the map when i click on the button refresh. I remove the layer and add it again but it not working and points on the map are not displaying. Is there an ...
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1answer
95 views

Different definition of EPSG:3857 in GeoTools and QGIS

I want to do some checking if my point lies in any of the polygons defined in shapefile. So, I thought that I will determine CRS from shapefile (created in QGIS), and use it for transformation (where ...
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1answer
51 views

unable to catch exception in opening a shape file geotoools

I am loading a shapefile where .shx file is missing i am getting the following error. I am unable to catch this exception please help me. error log Could not open the .shx file, continuing ...
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41 views

JTS Geometry to GML3.1 encoding

I searched all the internet and I didn't find a solution to my problem. I want to convert a JTS geometry to a GML3.1 geometry. Geo tools says that have support but the have not (please check encode ...
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1answer
71 views

GeoServer/GeoTools (backed by Neo4J) or implement it myself?

I’ve been trying to get my head around the best way to build support for some planning processes we need to invent to support an infrastructure build project. Today I’ve got my hands on a load of GB ...
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27 views

How to load ALKIS (GML3) data in GeoTools

I wonder how I can load ALKIS GML (German gov geo data) in GeoTools. Here is a small sample dataset from the government: ...
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17 views

Disabling XML schema when using GML3 decodeFeatureCollection in GeoTools

I wrote some code based on http://docs.geotools.org/stable/userguide/library/xml/geometry.html#id6 GML gml = new GML(Version.GML3); try { InputStream in = new FileInputStream("file.gml"); ...
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1answer
39 views

How to crop a shapefile using a raster with Geotools?

I'm working on a project for my school for which I need to use Geotools. I need to be able to display a raster file and a shapefile, but the shapefile is way bigger than the raster and I just want to ...
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1answer
53 views

GeoTools WFS Query sortBy not working for GeoServer WFS

I am using GeoTools to query a GeoServer WFS using the following code: Map connectionParameters = new HashMap(); connectionParameters.put("WFSDataStoreFactory:GET_CAPABILITIES_URL", ...
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1answer
34 views

Can I put a JMapFrame In my main JFrame?

I use Geotools, I have a main Jframe and i want to put in it a map content(JMapFrame). Is there a way to add JMapFrame in JFrame?
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21 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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48 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 ...
4
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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.
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222 views

GeoTools - Find distance in meters between point and path in lat/lon

I need to find distance in meters between some point with given latitude and longitude and line (on Earth) defined by several points with lat/lon coordinates. I read this questions: first second ...
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28 views

combine multiple geojsons

I have several geojsons which contain polygons. But the polygons are reaching over other geojsons. When I import them into lets say Qgis, the polygons, which are distributed among several geojsons are ...