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Questions tagged [geotools]

GeoTools is an open source Java library that provides tools for geospatial data (http://geotools.org). Questions about programming using GeoTools are on topic here, while questions on geographic issues (while using GeoTools) should be asked on https://gis.stackexchange.com.

For questions about how to complete geographic tasks using the GeoTools library you may want to ask on https://gis.stackexchange.com/ to get answers, if your question focuses on programming issues with GeoTools then ask on this site.

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Retrieve WFS Map Content with Geotools in Java

I am trying to retrieve Map content via WFS Geoserver connection in Java with Geotools 18.4. But I am getting the following error: Content type is required for org.geotools.data.ows.Response. The idea is that i want to map features (Position and…
Chris S.
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Impossible to get CRS with tomcat : org.opengis.referencing.NoSuchAuthorityCodeException

I'm having a weird situation. I use geotools to project rasters and it works for example CoordinateReferenceSystem targetCRS = CRS.decode("EPSG:3857"); GridCoverage2D projectedImage = (GridCoverage2D)…
Geek Junior
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Geotools calculate intersection area between two geometries needed

I'm new to Geotools and I created two geometries (two polygons for example) and I want to compute the percentage of the intersection area over one of the geometries. //First polygon GeometryFactory geometryFactory1 =…
Bob
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Creating a wedge shape with Geotools

I am on the hook for creating a service which will create a shape based on data provided with a center point. I am working with geotools which I am not very experienced with, however I am getting more familiar with it. I am receiving data which…
Chris D.
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Java or scala, GeoTools or GeoTrellis, how to convert sentinel 2 data to Multiband geotif

I am trying to process Sentinel 2 data from (example) http://sentinel-s2-l1c.s3-website.eu-central-1.amazonaws.com/#tiles/10/S/EG/2016/10/12/0/ The jp2 files are not georeferenced, and I need to put all the jp2 files as bands in a geotif. I have…
Mark Giaconia
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How to create and populate shp file with GeoTools API

I need to create an empty shape file and populate it with data from my java colletion. Can someone show me an example of how to achieve this? Thanks in advance.
J. L. Pacheco
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Is there support for geodesic DWithin query in geomesa?

I am struggling with DWithin queries in geomesa. I have ingested many geo points from OSM and want to make DWithin queries. I have the following code for query: val query = new Query("t1", ECQL.toFilter("DWITHIN(geo_point, POINT (14.453943…
d-n-ust
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How to drag and drop multiple points in geotools on map

I want to drag and drop multiple points in geotools. I know how to select multiple points but unable drag them to different location. Thanks in advance.
hoshi
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Why can't GeoTools find MutablePicoContainer#registerComponentImplementation method?

I just started using GeoTools and am trying to generate a KML. I followed 2 main examples for my application, but I am seeing this weird error where gt-xsd-core cannot find this method registerComponentImplementation from the MutablePicoContainer…
wheeleruniverse
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Multithreaded Geometry loading with GeoTools

Hey StackOverflow community, I am currently trying to write a little tool, that reads a shapefiles geometries (Multipolygons / Polygons) and writes the WKT-representations of those into a text file. To do so, I am using GeoTools and I managed to get…
Ihavenoclue
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GeoMesa: Polygon creation fails with some coordinates

I am creating a polygon as a geom attribute in a SimpleFeature, and testing it with various geospatial coordinates, but I am finding that some coordinates work with POLYGON and others raise an exception. For example, this bounding box in South Korea…
user1930364
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Image reprojection

I have a GridCoverage2D in EPSG:4054. I want to transform it to EPSG:4326. I have tried to do it this way: /** gc2d is an GridCoverage2D in EPSG:4054 */ CoordinateReferenceSystem targetCRS =…
Timur Kobilov
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Geotools PolygonExtractionProcess is not working

I want to convert a raster file into a shapefile. I am creating a GridCoverage2D object and want to use the execute method of Geotools PolygonExtractionProcess class but this method is not executing. I sadly cannot find any useful example usages of…
sLicK
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Why can i not import geotools RasterToVectorFactory to my project?

I am currently trying to convert a raster file (.tif) into a vector file of polygones. I tried using geotools (version 17 or 19) but the import org.geotools.process.raster.RasterToVectorFactory could not be resolved with any of these versions. I…
sLicK
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why is geotools throwing MathTransformFactory when running as part of a Java EE 6 app?

I'm writing a small Java EE 6 Web Service application that is for converting ESRI Shape Files and passing the data into another application. I have the application working fine as a command line app. However whilst porting the code, it has started…
Grant Collins
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