[geotk] Geometry operations in Geotk

[johann sorel]

It's on maven :

groupId : org.geotoolkit
artifactId : geotk-geometry

Johann Sorel
Geomatys


On 18/07/2014 18:04, Jon Blower wrote:
> Hi Johann,
>
> Which Geotk module is the JTS class in? Is it in the Maven repository?
>
> Cheers,
> Jon
>
> --
> Dr Jon Blower,
> Technical Director, Reading e-Science Centre,
> MELODIES project coordinator,
> School of Mathematical and Physical Sciences,
> University of Reading
> Tel: +44 118 378 5213
> Email: j.d.blower at reading.ac.uk
>
> On 18 Jul 2014, at 16:31, johann sorel <johann.sorel at geomatys.com> wrote:
>
>> Hi Jon,
>>
>> We use JTS for geometries for now.
>>
>>> Here is an example to create geometries :
>> https://github.com/Geomatys/geotoolkit/blob/master/demos/geotk-demo-samples/src/main/java/org/geotoolkit/pending/demo/geometry/JTSDemo.java
>>
>>> All operations are on the JTS geometry class.
>> boolean intersect = geom1.intersects(geom2)
>>
>>> For reading and writing you have WKTReader and WKTWriter, same for WKB.
>> WKTReader reader = new WKTReader();
>> Geometry geom = reader.read("POLYGON(....");
>>
>>> For transformation between CRS.
>> Geometry geom2 = JTS.transform(geom, crs1ToCrs2);
>>
>>
>>
>> Johann Sorel
>> Geomatys
>>
>>
>>
>> On 18/07/2014 17:06, Jon Blower wrote:
>>> Hi all,
>>>
>>> I’d like to create simple geometries (mainly polygons) and detect for intersection, containment and other typical geometry operations. Which classes in Geotk should I look at? I found a large number of classes relating to geometries but was a bit confused about where to start.
>>>
>>> (I’d also like to be able to parse and generate WKT strings if this is possible.)
>>>
>>> Thanks,
>>> Jon
>>>
>>> --
>>> Dr Jon Blower,
>>> Technical Director, Reading e-Science Centre,
>>> MELODIES project coordinator,
>>> School of Mathematical and Physical Sciences,
>>> University of Reading
>>> Tel: +44 118 378 5213
>>> Email: j.d.blower at reading.ac.uk
>>>
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