Re: [Jts-topo-suite-user] Segment from LineString

[Martin D. <mtn...@gm...>]

It might better to use LocationIndexedLine for this - it uses exact vertex
indices for locations, rather than computed lengths.  That makes it more
precise when you are working directly with vertex indices.


On Wed, Jul 2, 2014 at 12:20 PM, André Salvati <and...@gm...>
wrote:

> Very simple implementation where "line" is a LineString.
>
> Thanks Martin.
>
> LengthIndexedLine l_i = new LengthIndexedLine(line);
>  Coordinate[] csSeg = l_i.extractLine(l_i.indexOf(cInicio),
> l_i.indexOf(cFim)).getCoordinates();
>
>
>
> 2014-07-02 14:47 GMT-03:00 Martin Davis <mtn...@gm...>:
>
>> Look into the Linear Referencing API:
>> http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/linearref/package-frame.html
>>
>>
>>
>>
>> On Tue, Jul 1, 2014 at 10:00 AM, André Salvati <and...@gm...
>> > wrote:
>>
>>> Hi,
>>>
>>> 1) is there a function to extract a segment (LineString) from a bigger
>>> LineString given 2 points inside the last one?
>>>
>>> 2) I also would like to get the size of the obtained segment. Is it
>>> possible?
>>>
>>> Thanks.
>>>
>>>
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>