Hello,
I am not sure when this happened but I am getting this error for the HCMGIS
plugin. I am running QGS 3.10.8 on Windows 7.
Here is the python message
2021-01-13T07:11:05 WARNINGTraceback (most recent call last):
File
Ciao Giacomo,
non ci hai fatto sapere se hai risolto il tuo problema precedente...
A questo punto penso di sì, ma come?
Andrea
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Hi Azurra,
You might also like to check out a plugin called “Multi Ring Buffer” that can
add multiple buffers to all features in your point layer.
Cheers - Phil
From: Qgis-user On Behalf Of Azzurra Lentini
Sent: Wednesday, 13 January 2021 6:42 AM
To: qgis-user
Subject: [Qgis-user]
Hi,
I am using QGIS mostly with POSTGIS tables and queries. I usually use
the "show feature count" but it is not working now. The data still loads
from the database but the feature count shows zero. The same message
shows when I use the test button on the layer filter window.
I hope I can
Thank you for the information. I did find that my project projection was
different then the vector analysis so I changed that to match. I also
tried the vector/Geometry tools/Check Validity. It gives me new temporary
layers but I don't understand what to do with them. Sorry, I am trying to
Azzurra and list,
On Tue, Jan 12, 2021, 11:41 Azzurra Lentini
wrote:
> Hi to all,
> I must draw four different concentric circles (with different sizes and
> same center) in many different positions: about these positions I know the
> center of the circles (shape file of points).
> I created a
Salve, sono oramai alla fine del mio script di processing
vi allego la parte finale sperando che riusciate a desumere la causa
dell'errore che recita così
{ 'POLYGONS' :
'/home/giacomo/Dropbox/Script/Python/PyGIS/zonalstats/prova/vec.shp',
'PREFIX' : 'b_', 'STACK' :
Azzurra Lentini wrote:
I must draw four different concentric circles (with different sizes and
same center) in many different positions: about these positions I know the
center of the circles (shape file of points).
In Layer Properties > Symbology of your points shape file:
For Marker you
Hi Igor,
You can use the brand new Cell Statistics algorithm (from QGIS 3.16):
https://changelog.qgis.org/en/qgis/version/3.16/#feature-add-native-cell-statistics-algorithm
Best regards,
Pedro Venâncio
Igor Oliveira Ribeiro escreveu no dia terça,
12/01/2021 à(s) 17:18:
> Hi,
> I have a list
The GRASS GIS module r.series ( man page ) can do this. You can pass
the list of input rasters as a comma separated list on the command
line, or as a file, with one raster name per line. So (assuming a
linux bash shell) if the rasters are named as in your example:
RAST_LIST=`g.list rast
Hi,
I'm using QGIS 3.10.
I tried to use only symbology to display a stroke every km along a road.
The project CRS is 2154 (Lambert 93).
When adding a ""symbol line" with an interval of 1000 map units (meter for
2154) – or 1000 meters at scale, same result – I achieve to display symbols
every
Hi to all,
I must draw four different concentric circles (with different sizes and
same center) in many different positions: about these positions I know the
center of the circles (shape file of points).
I created a shapefile of polygons for these circles but I would like to
find a method to copy
Azzurra,
Two other methods to try are:
Point on surface
Pole of inaccessibility
Both found in the Processing Toolbox
David
On 1/12/2021 2:13 PM, Brent Wood wrote:
This may be a suitable approach, not specifically the ellipse axis
approach, but:
Vector -> Geometry tools -> Centroid
This may be a suitable approach, not specifically the ellipse axis approach,
but:
Vector -> Geometry tools -> Centroid
may do what you want, depending on exactly how QGIS calculates the centroid...
Brent Wood
Principal Technician, Fisheries
NIWA
DDI: +64 (4) 3860529
Hi to all, any suggestion on how to quickly draw the minor and major
diameters of different polygons? I have a shapefile of polygons: some of
the polygons are ellipses and others are similar to ellipses but not
regular.
My aim is to find the center of these polygons (In this aim I was thinking
to
The tutorial needs a lot of love to get it to the same level as the User Guide
I have a background in documentation but currently don’t have time to devote
all the time that is required to update the text, screengrabs, URLs etc. I’ve
encountered more issues today such as WMS and WFS
I’ve seen that most of the plugins are in the repository, this is an example in
the tutorial which could be deleted, else include a source which has plugins
not included in the repository if it is important to show this stage.
Regards,
Inna Nogeste
Från: Alexandre
I have done similar things with vector layer attributes using eval()
expression, but Raster Calculator doesn't support expressions, so I don't
think there's a way to simplify this. You can instead try the SAGA ->
Raster Calculus -> Rasters sum tool from the Processing Toolbox
[image: Logo]
Hi,
I have a list with 15 raster. I would like to make a simple sum of these
raster. I know about raster calculation tool, but the expression would be
too long. Is there a way to replace this expression
(raster1+raster2+...+raster15) by sum(raster1,raster2,...,raster15) for
example?
Thanks
--
what happens if you export->Save As on the layer and uncheck the
fid under "Select fields to export"?
For the file I tried this on, it created new fids.
On 1/12/2021 8:41 AM, Bernd Vogelgesang wrote:
Hi,
somehow I managed to produce a
Thanks for your reply. Just after posting, I had the idea to select the
negative ones and export them seperately, and then had the same idea to
just export without fid, which produced a new fid-field with normal numbers.
I think this would have worked with the hole layer as well, but i can't
test
Hi,
somehow I managed to produce a polygon layer by copying and merging
features from other layers, where the fid of those new parts are
negative numbers.
The features exist, but the attribute entries are not editable, and so
isn't the fid itself.
Saving as a new layer just reproduces the
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