Matej Mailing mailing@... writes:
Hi,
I have a layer that contains roads in polygons and I need to get
central lines of the polygons. When I convert directly from polygons
to lines, I get two lines for each part of the road representing road
boundaries which isn't good.
What is the
On 02/06/2012 11:02, Matej Mailing wrote:
Hi,
I have a layer that contains roads in polygons and I need to get
central lines of the polygons. When I convert directly from polygons
to lines, I get two lines for each part of the road representing road
"boundaries" which isn't
Hi,
thanks, will try this one. There are many attributes and losing them
or re-setting them is a very painful process.
I was playing with different plugins and trying to use polygon
centroids and then connecting them with lines, but had problems with
it since it seems that gid values are not
Just as a follow up on the idea by Misha. It wouldn't be too difficult
to add a column with a unique integer value to the polygons. Then,
follow Misha's idea, making sure that you use the newly created column
as the raster values. After you have converted the raster back to a line
vector
Hi,
I have a layer that contains roads in polygons and I need to get
central lines of the polygons. When I convert directly from polygons
to lines, I get two lines for each part of the road representing road
boundaries which isn't good.
What is the best way to achieve it?
Thanks,
Matej
