Re: [Qgis-user] Convert Lines to Polygons

2016-12-20 Thread Nicolas Cadieux 
Hi,
You could create a polygon from the layer extent.  Then use a spatial query to 
get the attributes from your current polylines.
Nicolas

> Le 20 déc. 2016 à 09:18, Richard McDonnell [via OSGeo.org] 
>  a écrit :
> 
> Apologies, 
> I meant to change the subject, but forgot!! So here it is, with a 
> correct subject! 
> 
> I need a little help, I have being trying to create an Index for a 
> series of CAD drawings, they each have a extent bounding box, but its 
> broken into individual lines. 
> 
> I have so far succeeded in creating a shapefile for all of them, but my 
> problem is that what I have is several thousand open polylines instead 
> of box's. each polyline starts and ends in the same point, but I need 
> them to form polygons. 
> The other thing is that the attribute data be preserved. 
> Any help appreciated. 
> Regards, 
> 
> Richard. 
> 
> 
> OPW - Ag féachaint don am atá le teacht - Ag caomhnú ón am atá thart 
> OPW - Looking to the future - Caring for the past 
> 
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Re: [Qgis-user] Convert Lines to Polygons

2016-12-20 Thread Randal Hale 

Well - Crap. Heh. There may be other suggestions coming!

Good Luck, We're all counting on you!

Randy


On 12/20/2016 09:50 AM, Richard McDonnell wrote:

Randal,
Thanks for getting back, tries it, but wont work. I might take another 
approach though, Split them up by attributes polygonize them and then 
merge them again into one...looks like its my only option at the moment!

Regards,

Richard.


On 20/12/2016 14:23, Randal Hale wrote:
First thought - take a look at the processing toolbox. Open it and 
search for Lines to Polygons and try that tool. It should convert 
your lines to polygons. The kicker is I don't *think* that will 
preserve attributes. So - you're halfway there *maybe*.


Randy


On 12/20/2016 09:18 AM, Richard McDonnell wrote:

Apologies,
I meant to change the subject, but forgot!! So here it is, with a 
correct subject!


I need a little help, I have being trying to create an Index for a 
series of CAD drawings, they each have a extent bounding box, but 
its broken into individual lines.


I have so far succeeded in creating a shapefile for all of them, but 
my problem is that what I have is several thousand open polylines 
instead of box's. each polyline starts and ends in the same point, 
but I need them to form polygons.

The other thing is that the attribute data be preserved.
Any help appreciated.
Regards,

Richard.


OPW - Ag féachaint don am atá le teacht - Ag caomhnú ón am atá thart
OPW - Looking to the future - Caring for the past

***
Email Disclaimer: http://www.opw.ie/en/disclaimer/

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--
*_Richard McDonnell_*
*GIS Specialist PgD GIS AssocSCSI*
*OPW FRM Data Management*
*52 Stephens Green, Dublin 2.*
TEL: 01 6476543


--
-
Randal Hale
North River Geographic Systems, Inc
http://www.northrivergeographic.com
423.653.3611 rjh...@northrivergeographic.com
twitter:rjhale

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Re: [Qgis-user] Convert Lines to Polygons

2016-12-20 Thread Richard McDonnell 

Randal,
Thanks for getting back, tries it, but wont work. I might take another 
approach though, Split them up by attributes polygonize them and then 
merge them again into one...looks like its my only option at the moment!

Regards,

Richard.


On 20/12/2016 14:23, Randal Hale wrote:
First thought - take a look at the processing toolbox. Open it and 
search for Lines to Polygons and try that tool. It should convert your 
lines to polygons. The kicker is I don't *think* that will preserve 
attributes. So - you're halfway there *maybe*.


Randy


On 12/20/2016 09:18 AM, Richard McDonnell wrote:

Apologies,
I meant to change the subject, but forgot!! So here it is, with a 
correct subject!


I need a little help, I have being trying to create an Index for a 
series of CAD drawings, they each have a extent bounding box, but its 
broken into individual lines.


I have so far succeeded in creating a shapefile for all of them, but 
my problem is that what I have is several thousand open polylines 
instead of box's. each polyline starts and ends in the same point, 
but I need them to form polygons.

The other thing is that the attribute data be preserved.
Any help appreciated.
Regards,

Richard.


OPW - Ag féachaint don am atá le teacht - Ag caomhnú ón am atá thart
OPW - Looking to the future - Caring for the past

***
Email Disclaimer: http://www.opw.ie/en/disclaimer/

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--
*_Richard McDonnell_*
*GIS Specialist PgD GIS AssocSCSI*
*OPW FRM Data Management*
*52 Stephens Green, Dublin 2.*
TEL: 01 6476543
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Re: [Qgis-user] Convert Lines to Polygons

2016-12-20 Thread Randal Hale 
First thought - take a look at the processing toolbox. Open it and 
search for Lines to Polygons and try that tool. It should convert your 
lines to polygons. The kicker is I don't *think* that will preserve 
attributes. So - you're halfway there *maybe*.


Randy


On 12/20/2016 09:18 AM, Richard McDonnell wrote:

Apologies,
I meant to change the subject, but forgot!! So here it is, with a 
correct subject!


I need a little help, I have being trying to create an Index for a 
series of CAD drawings, they each have a extent bounding box, but its 
broken into individual lines.


I have so far succeeded in creating a shapefile for all of them, but 
my problem is that what I have is several thousand open polylines 
instead of box's. each polyline starts and ends in the same point, but 
I need them to form polygons.

The other thing is that the attribute data be preserved.
Any help appreciated.
Regards,

Richard.


OPW - Ag féachaint don am atá le teacht - Ag caomhnú ón am atá thart
OPW - Looking to the future - Caring for the past

***
Email Disclaimer: http://www.opw.ie/en/disclaimer/

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--
-
Randal Hale
North River Geographic Systems, Inc
http://www.northrivergeographic.com
423.653.3611 rjh...@northrivergeographic.com
twitter:rjhale

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