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

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Geotools - Create a line layer

I am using the Geotools library to develop a Java Swing application. I am having a problem creating a layer with lines between points. Can someone help me? Here my code: import com.vividsolutions....
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Converting shapefile to KML using GeoTools?

I am developing a GIS-based desktop tool for a land area in geotool. How we can convert shapefile into KML file?
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Cropping a layer to an input raster

I have layers based on GeoTIFF files, provided by GeoServer, that are displayed as overlays over base maps from OpenStreetMaps, Bing, Google via OpenLayers. I want to mask out areas from the GeoTIFF ...
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21 views

ExternalGraphics - gray squares instead

I am creating point symbolizer with external graphic, and it works great if I load an image/png, but when I try to load svg file I get gray squares on map StyleFactory sf = CommonFactoryFinder....
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using java to get ways from osm [closed]

I just try to figure out how to query all ways within a radius of let's say 1km from a defined point. Here is an example of what I mean: I've already read about overpass api, GeoTools and ...
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45 views

Using Geotools or GeoserverManager to add a layer using just an URL

Lets say I have just an URL to a Layer in OpenLayers format: http://www.geoservicos.ibge.gov.br/geoserver/CREN/wms?service=WMS&version=1.1.0&request=GetMap&layers=HidrogeologiaRegiaoNE ...
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Geotools Getcapabilities timeout

I'm using geotools to get all layers from a Geoserver. WMSCapabilities caps = null; try { WebMapServer wms = new WebMapServer( sourceServer, 1000000 ); caps = wms....
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16 views

set bounds for pointLayer based on another layer size

I am creating a simple method for drawing Points on map, and have problem with full extent. I create a new point layer and add it to mapContent, and the problem is that it set bounds somewhere around ...
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24 views

JTS Intersection

I am testing the intersection method of JTS / GeoTools I intersected 2 lines. Then I test if the intersection point intersects with one of the lines. The result should be true. But it is false if I ...
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15 views

OpenStreetMap data in JTS / GeoTools

I want to do spatial analysis with OpenStreetMap data using the JTS / GeoTools library for Java. Which precision model shall I use? Since OpenStreetMap data usally does not have more than 7 digits, ...
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28 views

Coordinate Reference Systems error CRSAuthorityFactory

When I try to set CRS in geotools application first time it works great but after that I get FactoryNotFoundException it shows me this in console Exception in thread "AWT-EventQueue-0" java.lang....
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Can't get a response from a wfs2.0.0 using Geotools

I have some issues with the WFS-NG extension of Geotools 14.3. I am using the code below to get a data store from a distant server : String getCapabilities = "http://ids.craig.fr/wxs/public/wfs?...
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27 views

Choosing opengis or geotools imports dealing with geotools library?

In some cases, I have to use some classes of GeoTools library. Most of class names are duplicated in org.geotools and org.opengis package. for example, StyleVisitor, Symbolizer, PointSymbolizer, etc....
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Read a shapefile and write an identical one using GeoTools

How would one go about reading a shapefile using GeoTools and then writing it to disk so that the read and written are as identical as possible (idempotent)? I do not feel familiar enough with ...
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221 views

How to combine LineStrings using JTS

I want to combine LineStrings with common points. The scenario looks like this: I tried it using the GeometryCollection.union() method like suggested here: http://docs.geotools.org/latest/userguide/...
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43 views

MultiSelectionTool - selecting multiple content in multiple layers

I am trying to create MultiSelectionTool that will work in multi, and have a problem with extending selection if Ctrl is pressed while selecting, it just deselect the everything else before and start ...
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25 views

Load WMS into Map (Geotools)

At the Moment I try to load a WMS-Map into a Java Geotools Project. I followed every Step in the Userguide of Geotools. (here the Link: http://docs.geotools.org/latest/userguide/extension/wms/wms.html#...
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Shortest path calculation from shapefile data using GeoTools?

I'm using geotools 14.3 with swing to load two shape files. A road network and a node network (road junctions). Objective I want to calculate the shortest path from each node to every other node. I'...
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28 views

Drawing external text value on a point layer using TextSymbolizer of GeoTools?

I'm using GeoTools 14.3. I've used the following code segment to create a textsymbolizer on a point layer. StyleBuilder sb = new StyleBuilder(); FilterFactory2 ff = CommonFactoryFinder....
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32 views

How to specify default value for Rotation in SLD?

Am using geotools to render a set of point features. I have SLD for styling point features. The SLD uses an expression to calculate Rotation value based on Angle attribute value of feature. The ...
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31 views

Getting started with Geotools? [closed]

I want to get full guidance for using geotools from scratch in Java language. Can you show me the path or give me the suggestions about where I can start this? I am an intermediate level of java ...
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30 views

GeoTools : Zoom, Pan, Move custom action (setState not working)

I'm using geotools v14.3. Until now I've been using ZoomInAction() to add a zoom in button to my loaded map. Now I want to add a custom toolbar for zooming, panning, resetting and other general ...
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87 views

Read WKT geometry using JTS 1.13 in java

I want to create a shape file from coordinates, in the client side I take the coordinates of a polygon by opelayers, it send to a java class, in this class read the geometry of the polygon, when the ...
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90 views

Parsing and rendering JSON data in Java with GeoTools [closed]

I'm working on a Web Map Service written in Java and using the GeoTools library. My goal is to make the data parsing json format, so I'm using the form Unsupported GeoTools. This is the parsingJSON ...
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58 views

Geotools : adding multiple points to the same layer

I've got a java Swing application which loads a shapefile and draw a map. Now I need to allow the user to click on the map and add points. I've successfully completed that with the following code. ...
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71 views

Representing json data on a map with GeoTools (Java)

I'm working on a Web Map Service in Java. Practically this WMS allows me to represent the map of open data type (shp, kml and gml). I'm going to start working even with data in json format, and for ...
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Geotools : New points now drawn on the map

I'm using geotools v14.3 to load a shapefile (Java Swing application). I want to allow the customers to use the mouse to click on the map area to draw new points, lines and polygons. First, I'm ...
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52 views

Geotools 12.3 creating shape file from coordinates

I want to export a vector layer to a shape file (create a zip file with .dbf, .fix. prj and .shp), but when the exported .shp file is opened in a Desktop GIS it doesn't show anything. For the ...
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geotools : styling features based on a custom rule

I have a java swing app which loads lines shapefiles which represents a road system. I want to show the congested roads on this map with a separate style. My current approach I have two attributes ...
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Geotools : Using filters to filter a variable value

I have a java swing app which loads a line shape file and draw a map. I'm using a filter and a rule to filter out the lines in the shape file where the attribute "traffic" is greater than 500. Each ...
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23 views

StreamingRenderer

I have a problem in my code (Java Geotools). When I draw in my carte map a LineString sometimes when I run my program an errors apears and I don't understand what does it means. Error: avr. 14, ...
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37 views

How to print positions of grid lines?

I am using geotools, my goal is to print locations (of grid) in normal way. How to prepare style in a correct way? public Style createLineStyle2() { StyleBuilder sb = new StyleBuilder(); ...
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Geotools : A layer to draw the traffic volume of a road

I have developed a standalone swing application loaded with a shapefile of a road network using geotools (v.14.3). Now I would like to implement a feature where the user may zoom the map, and at a pre-...
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GeoTools getFeatures takes forever

I wrote the following method as an onClick handler. First and second click, I got result from DB. By the third time, the code stopped in the "getFeatures(trgtFilter)" line and didn't return. In debug ...
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Adding Styles like LineColor, Fill Color to SimpleFeaturePolygons while exporting them into a kml file

I am trying to export features(polygons) in to a KML file. I am able to get KML file with the given features. Here all lines are coming in a white color. How can i give different colors to different ...
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Geotools : Getting currently click layer from MapLayerTable

I've added a MapLayerTable to my application, and I'm loading multiple layers using shape files successfully. Now I would like to select features on the map of the selected layer. For this, I would ...
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35 views

Unable to get the feature collection data while exporting as kml file

I am trying to get the kml file by giving simple polygon data but not able get exact kml Please suggest me if iam wrong. code snippet: GeometryFactory geometryFactory = JTSFactoryFinder....
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51 views

Feature selection in multiple shapefile layers

I've followed the geotools selection lab tutorial. It works perfectly. Now I would like to add another layer, using another shape file. So I used JFileDataStoreChooser to select another shape file and ...
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16 views

Getting the feature information under the mouse (geotools)

I'm interested in programmatically finding out information of the the features (of a map) under the mouse. I'm using geotools for drawing the map using a shape file. I've first used the following code ...
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52 views

How to embed a GeoTools map in a existing java swing application

I have a java GUI swing application with three frames. I want to load a map from a shape file and draw the map on an existing application frame. For this I use GeoTools framework. I've looked at the ...
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43 views

Geotools produces different GEOGCS value for ESRI WKT

ArcMap creates following contents in .prj file for WGS 84. GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0....
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83 views

Print a map with Geotools

I want to print a map with a raster image as base-map using Geotools. The problem is that the raster image doesn't take the margins into consideration and starts always at the point (0,0) as you can ...
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86 views

How to insert raster in PostGIS from java JDBC

I have been looking for a solution to store dynamically generated raster data into PostGIS from java and PostGIS JDBC. I am working with geotools toolkit but i am unable to find any documentation ...
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82 views

Extract border polygon from a geometry

I am wondering if there is a way, algorithm, tools, to create, from a geometry, another one that is the border with a certain thickness. The idea is to get something similar to that : This looks ...
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94 views

KML 2.2 parsing with a group of point Geotools

I am doing a viewer with geotools and I am trying to read a kml file. I am using PullParser class for parsing and also I am using KML and KMLConfiguration classes from org.geotools.kml.v22 package. If ...
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126 views

Reverse Geocode latitude longitude with Geotools using Natural Earth Shapefiles in Java

I am trying to perform reverse geocoding in Java using GeoTools and Natural Earth Shapefiles. I just want to pass latitude longitude and get the corresponding country name + state name. I have ...
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56 views

(Geotools) Get 2 Selected Layer out of the MapTableLayer

I have a Method that calculates the Area of 2 Layers of different topologic Relations, which needs 2 collections. In the Button where I use this method, I want to get just 2 of the selected Layers in ...
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GridCoverage2DReader not reading 16 bit grayscale?

I have a geotiff that has 16-bit gray scale pixels and GridCoverage2DReader instance only returns the nodata value. Yet both QGIS and uDig show the image and I see WGS 84 and EPSG:4326 for the geotiff ...
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69 views

Geotools filterfactory not found exception

Can anyone help me out of this exception. In a geotools query program i am using Filter filter = CQL.toFilter("CONTAINS(the_geom,POINT(-115.56,67.567))"); and when am running the program using ...
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274 views

Unable to transform from EPSG:3857 to UTM in Geotools

I'm using Geotools to perform some transformations between coordinate reference systems. I created a proof of concept taking data from Google Earth, which uses ESPG:4326, and converting it to UTM. ...