GeoTools is an open source Java library that provides tools for geospatial data.
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26 views
How to generate OpenLayers window with WPS process in GeoServer using Java? [on hold]
How can I generate an OpenLayers window with WPS process in GeoServer?
I work with Java, and know that I can use GeoTools API, but I don't know a good way to do that.
The goal is just to put a ...
0
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0answers
22 views
How to have polygon labels always display using GeoTools 8?
I'm not able to consistently display labels for polygon features. The label is not displayed, as far as I can tell, unless the polygon is large enough to contain the entire label string. I can ...
0
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0answers
9 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 ...
1
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0answers
21 views
CRS centered on the 180 meridian?
The problem I'm dealing with is the old 180 meridian problem, except I'm not trying to plot or render shapes that cross it, I need to do intersections of lines that cross it. The only spherical ...
0
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0answers
20 views
Geotools writing shapefiles without geometries
When I am writing a shapefile according to CSV2SHP tutorial, it contains features without geometries. I use version 10-SNAPSHOT.
For example the result of ogrinfo looks like below:
D:\>ogrinfo ...
0
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1answer
52 views
geotools / jts crs transformation result not at correct position
I copied the example from geotools, which shows how to transform a shapefile into a different projection. (http://docs.geotools.org/latest/userguide/tutorial/geometry/geometrycrs.html)
But when ...
1
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0answers
45 views
What is the relation between geotools and hibernate-spatial ( differences and similarities)
I know that hibernate-sapatial is supposed to be an abstraction for the db . And from what i understand there is some kind of possibillity to do that with geotools? ( to what extent i do not know). ...
0
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1answer
28 views
geotools oracle spatial plugin samples / documentation
I plan to use geotools and I saw that there is an oracle plugin available, but the documentation is not very detailed.
Are there any examples or documentations available to access the functionality of ...
1
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1answer
33 views
Add features to main SDE Table with geotools
Sorry for my english, I hope you can understand ;)
I'am using geotools 8.4 version. I try to copy all features from SDE Table(TEST.DBO.MM_SOURCE) to another SDE Table(TEST.DBO.MM_TEST). All features ...
10
votes
3answers
604 views
How to build a portfolio for a GIS/Java career path?
I have been a GIS Analyst for over 10 years and am currently studying java (50% through the course). My plan is to develop GIS applications mainly focused towards open source solutions. I would like ...
0
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1answer
45 views
How to specify field name in raster to feature conversion tool or intersect tool?
What I want to do :
input: raster file, polygon feature layer
process:
Convert raster to polygon using IConversionOp.RasterDataToPolygonFeatureData Method
Intersect resultant polygon feature class ...
1
vote
1answer
107 views
Simple WebMapping application with postgis Database
am very new to web-mapping, so this question may be a little misguided.
I want to develop a simple web mapping application using OpenLayers which can display Cadastral information that are currently ...
0
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0answers
44 views
How to modify the coordinates of a SHP geometry using Geotools?
I have a shapefile with some polygons. I would like to change the height for this elements using Java. The rest of the attributes should be the same. I've thought using GeoTools but I haven't found ...
1
vote
0answers
59 views
GetCapabilities Request for WMS
I'm trying to connect to a WebMapServer with the Geotools WMS classes.
My problem is, that the resonse-object "capabilities" doesn't contain all layers.
When I'm doing the request in a browser, I can ...
0
votes
1answer
52 views
ImageMosaic-JDBC Error
I'm trying to get postgis raster layers in geoserver-2.3.1, with postgresql-8.4, postgis-2.0 and gt-imagemosaic-jdbc-9.1.jar support. I'm going through the tutorial with a PNG raster that i have. In ...
0
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0answers
102 views
Getting: org.opengis.referencing.NoSuchIdentifierException: No transform for classification “Transverse Mercator Zoned Grid System” with geotools
Using geotools I've been trying to create a referenced envelope after converting/reprojecting from WGS 84 to UTM with specific zones and it seems that either I need to do something with authority ...
0
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2answers
170 views
GeoJSON to Shape file conversion with geotools
Can someone please provide me an example of how to convert GeoJSON to Shape file using geotools?
1
vote
1answer
78 views
Diff operation in PostGIS/Geotools
What is the best way to perform a diff operation on Postgis features/tables or Geotools objects? Are there any automatic methods I can use? If not, what would be the optimal way to implement your own ...
0
votes
2answers
163 views
Getting MongoDB working with GeoServer 2
I'm trying to use MongoDB with GeoServer but it is actually not working at all.
Someone once posted this: Getting MongoDB Working with GeoServer, but since he could solve his problem without any help ...
2
votes
0answers
199 views
What is the best way to convert WKT String to GML String
What is the best way to programatically convert WKT String to GML String? Every reasonable library (at best available in some Maven repository) can be used.
Till now I came up with this solution ...
4
votes
1answer
61 views
Global projection with zero scale distortion at non-zero latitude
I am looking for a global projection with zero scale distortion at non-zero latitude.
I have tried using an Oblique Mercator projection centred at a specific latitude and longitude of centre (with ...
2
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0answers
104 views
Implement a WFS Server using Geo tools
I need to implement a WFS Server using Geo tools, I have an application developed in Java using a spatial database. I wish to develop a WFS service using GeoTools. As a first step, I am implementing ...
3
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0answers
92 views
Illegal argument exception while reading tiff image using GeoTools
I am working on a Java swings based GIS application to project my tiff image as maps . But each time I run my application I get Illegal argument: "semiMajorAxis=�" . The tiff images I have are working ...
4
votes
2answers
361 views
Fastest way to convert shapefile to postgis in java
I have been using geotools to read shapefiles and import them into postgis. Unfortunately, when large files are being imported, this leads to a massive lag time --8000% of shp2pgsql piped into pgsql-- ...
3
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1answer
289 views
What do I need to create 3D model of real terrain?
I'd like to create 3D model of some real terrain (to be exact it's about some real roads and only as much as 80m to 100m of roadside - 40m to 50m of each side). As I don't have access to highly ...
2
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0answers
99 views
How to write GML parser with Geotools?
I wrote a Parser for a GML file from the OS Mastermap with geotools 8.4. With one part I still have a problem. This sniplet of the xsd:
<complexType name="RoadLinkType">
...
1
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0answers
168 views
Geotools, output to kml and convert meters
I have a complex problem. I'm using geotools 10.*
I have input data:
latitude, longitude (WGS_84), radius in meters, start angle (12 o'clock), end angle (clockwise, i.e. turn to the right).
I need ...
1
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0answers
76 views
Using the CropCoverage Render Transformation in a Geoserver SLD (WPS)
I've yet to find an example on the web (or in code) of anyone using the "Crop Coverage" Render Transformation from a Geoserver SLD. Does anyone have an example or at least be able to point me to the ...
1
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0answers
83 views
Renaming Columns in Geotools FeatureType
I am attempting to build a simple java program that loads shapefiles into a Postgis 2.0 database. Everything is working out great except that I would like to be able to modify the FeatureType in the ...
2
votes
1answer
71 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 ...
3
votes
1answer
151 views
How to couple GeoTools GML bindings for encoding to GML 3.1.1
I've successfully created GeoTools (8.3) bindings for parsing and encoding XML bindings as described in their tutorial: http://docs.geotools.org/latest/userguide/library/xml/internal/bindings.html
I ...
3
votes
1answer
1k views
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 ...
2
votes
0answers
188 views
How to open image file saved with JAI in Geotools?
I need to find NDVI and other vegetation indices and then find changes in time with tif images.
I've been using Geotools for this. I took 2 tiff images, then using QGIS I changed them to PNG because ...
2
votes
2answers
384 views
Merging Shapefiles With Geotools
I am trying to merge some shapefiles with different schemas in geotools. Im aware of ogr2ogr, but for now I would like to figure out this problem with Geotools.
The steps I'm taking are:
1) Create a ...
2
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0answers
30 views
How to convert a shapefile to WKT with GeoTools snapshot 9? [duplicate]
Possible Duplicate:
Write out a WKT file from a loaded shapefile
I need to convert a shapefile to WKT to be read in OpenLayers. The shapefile is one that has been created by Geotools. ...
0
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0answers
10 views
How can I display OpenStreetMap using GeoTools? [duplicate]
Possible Duplicate:
What is the best API to use GeoTools or uDig (for the context of my application)?
I would like to display OpenStreetMap in a java desktop application using GeoTools. I ...
0
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1answer
279 views
Display google maps with Geotools?
I would like to display Google maps (Raster and Vector) in Java using GeoTools. I am stuck because I am new to this library. Are there any tutorials out there that can help me ?
2
votes
1answer
155 views
What is the best API to use GeoTools or uDig (for the context of my application)?
I am trying to develop a java application that displays : Google maps, Openstreetmap and Bing Map Data.
So which is the best SDK to use in this contet Geotools or uDig ?
2
votes
3answers
833 views
Displaying Google Maps and OpenStreetMap map in Java?
Is there any Java API that is like OpenLayers ?
I would like to display google Maps and Openlayers Maps in a java application
3
votes
0answers
92 views
Is there a way to create raster by interpolating point values using GeoTools 8.2?
im new in using GeoTools (8.2). I was able to create shp from asc file which contains my data. Now my question is is there a simple way to create (interpolate) a simple shapefile (only points) to ...
3
votes
1answer
352 views
How to overlay a Shapefile on a WMS layer using Geotools?
I am trying to overlay a shp file on wms layer using the example http://docs.geotools.org/latest/userguide/tutorial/raster/image.html.
Each time I want to read the format of the file to get a reader ...
3
votes
0answers
191 views
How to sort a SimpleFeatureCollection using GeoTools?
I have a featurecollection:
SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(dbFeatureType);
SimpleFeatureCollection collection = FeatureCollections.newCollection();
while ...
2
votes
0answers
187 views
create geotiff from shapefiles
I need to colorized geometries from shapefiles and convert them to raster image (geotiff).
I tried to use geotools's VectorToRasterProcess and ImageWorker
("d:\gis\tmp\32 27 25 w4.shp" is path to my ...
5
votes
1answer
406 views
Find Perpendicular Distance and Minimum Perpendicular Vector between a Point and a Line using GeoTools and JTS
I have a line formed by 2 lat/lon pairs, and the lat/lon of a point. I would like to find out the perpendicular distance between the line and the point on the Earth surface (can assume Earth as great ...
1
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0answers
125 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();
...
3
votes
0answers
132 views
Symbolizer with external GIF image is not rendered pixel-perfect
We want to pinpoint some locations on a map with some external GIF symbolizers. The issue we have is visible in the attached image*: looks like somethings happens on a sub-pixel level, so that the ...
2
votes
1answer
250 views
Geotools // buffer using different CRS
I'm currently having a problem with Geotools.
I try to generate a buffer (in meter using Lambert 72) on a map that has WGS84 as it's coordinatesystem.
(problem is a bit like this one: ...
1
vote
0answers
175 views
how to create a shapefile for 2 million points with geotools
I have to create a shapefile with the geotools java library for approx. 2 000 000 points and whatever strategy I apply I seem to run into out of memory exceptions as well as everything running super ...
0
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0answers
48 views
How to load an image to mark the city (instead of point) using GeoTools?
I went through the Image Tutorial in http://docs.geotools.org/stable/tutorials/raster/image.html and was able to load image and get the output.
But I need to load the image without use of world file ...
3
votes
1answer
140 views
Problem in displaying a GeoTiff image in JMapFrame
I'm trying to display a GeoTiff image with no projection but where the geographical extent (bounding box) is known:
reader= format.getReader(new File(sImageName));
GridCoverage2D gridCoverage= ...
