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>:
> 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 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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