Hi,
Found one more option: To draw a linestring, select it and use Right click menu
Convert selected geometries – Close open line segments. Attach tool to EZ
Buttons and usage will be rather simple. Selecting the line is an extra step,
though.
-Jukka Rahkonen-
Giuseppe Aruta wrote:
Hi Jukka,
right. A couple of years ago I had to work on CAD datas using a GIS, that's why
I developed those CAD Extensions. For a regular GIS user maybe Ede's
implementation to convert geometries is enough.
On the other hand I feel we should consider to rewrite the editing toolboox, to
make it more simple and flexible. For instance grouping drawing and constrained
drawing tools into a single one.
And maybe adding new functionalities, like "closing linestring" .
Peppe
2015-04-09 9:23 GMT+02:00 Rahkonen Jukka (MML)
<jukka.rahko...@maanmittauslaitos.fi<mailto:jukka.rahko...@maanmittauslaitos.fi>>:
Hi Uwe,
I would guess that such use case was not on the list of features when the
original JUMP was developed or since that. However, I can see that you are not
the first one with that wish and Peppe has made such a tool to his CAD
extension. The name of the tool in Draw closed linestring. Download the
extension from
https://sourceforge.net/projects/opensit/files/Openjump/PlugIn/CADExtension/
and drop it into lib\ext. New tools are added into the standard edit tool box.
-Jukka-
Uwe Dalluege wrote:
Hi,
thank you for the tips.
Is there a reason why OJ can not catch the first point directly?
Regards
Uwe
Am 09.04.2015<tel:09.04.2015> um 06:46 schrieb Rahkonen Jukka (MML):
> Hi,
>
> The trick is that when you are drawing a new feature the new vertices do not
> snap to the newly added vertices of that non-finalized geometry. There are
> workarounds:
> - digitize first a point and snap the start and end points of the line
> into it
> - digitize a polygon and convert it into linestring or linearring later.
>
> If you really need a geometry that is LINEARRING in WKT (not just
> LINESTRING with the same start and end point) you must either draw a
> polygon and use geometry converter, or draw a line and convert it by
> editing the WKT from
>
> LINESTRING (
> 666 435,
> 714 307,
> 590 344,
> 666 435
> )
>
> into
>
> LINEARRING (
> 666 435,
> 714 307,
> 590 344,
> 666 435
> )
>
> -Jukka Rahkonen-
>
>
> Uwe Dalluege wrote:
>
>> Hi,
>
>> how can I draw a closed LineString (LinearRing)?
>
>> When I try to catch the first point of the LineString with the last point of
>> the same LineString OpenJUMP does not catch the first point.
>
>> Is there a trick?
>
> Regards
>
> Uwe
>
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