, with a heap of cleaning up.
Cheers - Phil
From: QGIS-User On Behalf Of jessica swan
via QGIS-User
Sent: Wednesday, 22 February 2023 4:06 AM
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Polygons
Hi,
I hope everyone is well!
I am making a map marking regions for a project
Hi,
It would help if you told us what format your data is in. If it’s rasters, you
can start by georeferencing the file and then do a raster to polygon
transformation (vectorize). I think there are some other tools that you can
use to accelerate tracing. You will also find plugins
Hi,
I hope everyone is well!
I am making a map marking regions for a project because I am not allowed to
copy and paste an image. There are over a hundred regions for me to
outline! Is there any way to automatically trace these regions and overlay
that tracing on a map? It will just take so much
Charles,
Thanks for the reply. I tried to run the aggregate function with different
combinations. But it is always failing. For this kind of attribute table,
how do I run the aggregate function such that, the values in the Field1
column are aggregated corresponding to each polygonName?
[image:
Yes you can use the aggregate processing tool.
You can use a variety of aggregation functions to get the required outputs,
but the tool configuration may vary on input data.
If the tool gives you errors, the usual culprit is data type errors. QGIS
is very clever though, and you can use an
I have a polygons shapefile as shown below.
[image: image.png]
Is it possible to dissolve these polygons and get a resultant shapefile
with an attribute table such as below?i.e. it should have only one
polygonName and all of its associated fields.
PolygonName Field1 Field2
A 1 2
B 3 4
C 5 6
D 7
Hi everyone
I just cannot understand, if Qgis cannot handle this:
I have a multipolygon layer and a bigger polygon with 3 smaller polygons inside
it. I want to modify the big polygon so, that there should be 3 holes just
where the smaller polygons are. So actually I want: big polygon - 3
Can anyone tell me how I would create a polygon type .shp layer/file
from a metes and bounds property legal description? I see special tools
for the ArcGis program. Is there anything in Qgis that will do the job?
Mike K
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I imagine you are talking about COGO tools, try the following plugin
http://plugins.qgis.org/plugins/CadInput/ although I think you would need to
convert to azimuths to be able to use it
--
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Dear All,
AFAIK it is a general rule that walking along a polygon's edge in
digitizing direction the inside of the polygon is to the right, that
means that the polygon's exterior boundary ist to be digitized clockwise
(cw) and any hole counter clockwise (ccw).
When digitizing polygons in QGIS
Hello every body,
I am facing a problem: the overlapping polygons I imported into GRASS
for cleaning up do not retain their atrributes (every old attributes
were cleared, in the newly created grass layer, there is only one cat
attribute generated automatically by GRASS). I have done the
Thanks! Giovanni,
BUt, this is only gives me a half solution.
The lables now I can get single and they are good.
But I also wish to the feature # label selected features only # which is
available as an option only by going into properties labels.
Ambrish Dhaka
Dear all,
Labelling polygons in a multi-polygon unit (for eg group of islands) has become
an embarrassment. If there are at least 2 dozen of small island units along
with one big island. Then they all show the labels of the same name at least 2
dozen times, which simply is a mess of the
On Wed, 2011-09-07 at 15:36 +, ambrish dhaka wrote:
Dear all,
Labelling polygons in a multi-polygon unit (for eg group of islands)
has become an embarrassment. If there are at least 2 dozen of small
island units along with one big island. Then they all show the labels
of the same name at
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