I have just re-installed QGIS using the network installer and I now get this
error message,
"GRASS init error: GRASS was not found in 'C:/OSGeo4W/bin/grass' (GISBASE),
provider and plugin will not work."
Can anyone assist with this?
Cheers Grant
__
Does anyone know of a plug-in or algorithm for QGIS where I can pansharpen
satellite imagery using the Gram-Schmidt method?
Cheers Grant
Perth WA
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_pansharp_bayes2.tif
${WV_dir}/${region}_pansharp_bayes.tif
gdaladdo -r average --config COMPRESS_OVERVIEW ZSTD --config PREDICTOR_OVERVIEW
2 -ro ${WV_dir}/${region}_pansharp_bayes.tif
HTH
On 23/05/2024 6:43, Grant Boxer via QGIS-User wrote:
Does anyone know of a plug-in or algorithm for QGIS where I
I am producing ternary radiometric images where potassium is shown in red,
thorium shown in green and uranium shown in blue. In geophysical maps, they
commonly have a triangular legend with potassium at the apex and the green
and blue at the lower points of the triangle. Hs anyone ever created a
tr
See attached image.
Any thoughts on how we might do this in QGIS?
Grant
Perth Western Australia
-Original Message-
From: QGIS-User On Behalf Of
qgis-user-requ...@lists.osgeo.org
Sent: Monday, June 17, 2024 3:00 AM
To: qgis-user@lists.osgeo.org
Subject: QGIS-User Digest, Vol 220, Issue 2
I would like to know if we can apply labels to the items in the Elevation
profile window? I would like to display values down a drill hole but I
cannot seem to find any settings for the elevation profile window to do
this. Is this something that still needs development? Great that we can show
drill
I have a client who is running QGIS under Windows 11 and is having all sorts
of stability problems and has gone back to version 3.4. Has anyone used QGIS
with Windows 11?
Grant Boxer, Perth WA
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Hi Mike,
to export points from a shape file to a gpx file, I use the POI plugin. This
plugin allows you to specify which column you want as the point ID.
Cheers Grant
-Original Message-
From: Qgis-user On Behalf Of
qgis-user-requ...@lists.osgeo.org
Sent: Sunday, 29 May 2022 3:00 AM
To:
I have somehow altered a setting whereby anytime I try to digitise points
for a polygon layer, QGIS draws a rectangle, like a create shapes type
action. This doesn't happen if I use a new profile, so it is a setting
somewhere in my set up but I have not been able to find it. Has anyone else
had thi
as well.
Karl-Magnus Jönsson
Från: Qgis-user mailto:qgis-user-boun...@lists.osgeo.org> > För Grant Boxer via Qgis-user
Skickat: den 27 juli 2022 13:18
Till: qgis-user@lists.osgeo.org <mailto:qgis-user@lists.osgeo.org>
Ämne: [Qgis-user] Strange digitising behavior
I
Hi all, when I try to pansharpen an image using gdal, I get the following
message. Any thoughts?
QGIS version: 3.26.2-Buenos Aires
QGIS code revision: feec3d3b
Qt version: 5.15.3
Python version: 3.9.5
GDAL version: 3.5.1
GEOS version: 3.10.3-CAPI-1.16.1
PROJ version: Rel. 9.1.0, September
I have deleted all my qgis installation files and re-loaded the program.
This seems to have worked, but I now have to reload all my plugins and other
settings. Seems my gdal file was somehow corrupted.
Cheers Grant
-Original Message-
From: Qgis-user On Behalf Of
qgis-user-requ...@lists.
I am having issues with the georeferencer. When I register an image the
process does not recognise the CRS entered into the settings window. It
returns the layer with an invalid projection. When I try to change the
projection in the new layer it creates this error.
Has anyone else had this prob
I am trying to find an easier way of colouring a geological map. The only
way I can find to colourise the polygons in both the map window and layers
panel - and hence the displayed legend - is to use the rule-based rendering
option. Each rule has to be manually styled.
Is there a way to get QG
Hi Scott,
This sounds like something the remote sensing satellite people would know
how to handle. Maybe contact someone at the European Space Agency (ESA) and
or maybe try Andrew Hart, at the UK based
Geological Remote Sensing Group (www.grsg.org.uk) . I sure they will know
someone who can help.
Happy New Year to all!
I have been processing satellite imagery and producing pansharpened images.
I create a virtual image with CRS no problem, but when I save the resulting
GeoTiff file it loses its CRS and results in an invalid projection. I have
tried changing the data types and compressi
I am trying to use the dynamic text option [%item_variables('Map
1')['map_scale']%] in my print layout but I get a scale of 10.7
in my title block. How can I apply a format number to get it to display a
whole number like 10?
Cheers Grant Boxer, Perth WA
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Many thanks, I will give it a try,
Cheers Grant
From: David Strip
Sent: Wednesday, 25 January 2023 12:27 PM
To: qgis-user ; box...@iinet.net.au
Subject: re: Formatting dynamic text
I am trying to use the dynamic text option [%item_variables('Map
1')['map_scale']%] in my print layout
Solution to format problem for dynamic text scale:
[%round(item_variables('Map 1')['map_scale'])%].
Thanks to David Strip for assistance.
Cheers Grant
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I have been finding lately that the refresh of the folders in the browser
panel is quite slow. I have quite complicated folders so I am wondering if
there is any way to speed this up, or do I have to simplify my folders?
I am using v3.28.3 on Windows 10.
Grant Boxer
Perth, WA
I have upgraded to v3.30 but now I cannot connect to the plug-ins
repository. Any suggestions?
Cheers Grant Boxer
Perth WA
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The plug-in repository link is now fixed but I get a huge number of "new"
plug-ins and the "sagaprovider" is invalid.
Cheers Grant Boxer
Perth WA
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I am trying to display a drill cross section image (raster) generated in the
Geoscience plug-in in the QGIS2Threejs viewer. Can anyone suggest how I can
assign 3D coordinates to the raster image so it will display in 3D space?
Cheers Grant
Perth WA
I am sure there is a simple way to do this but I would like to click on a
polygon and get it to open a tiff file into my map canvas. Do I use an
Action and an "open" command?
Regards Grant Boxer
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I am trying to create a 3D polygon using XYZ coordinates, like from vertices
of a rectangular prism for example, and wondered how to create this so I can
display is in 3D using the QGIS2Threejs or the 3D map view options in QGIS.
Any suggestions?
Grant Boxer
_
I have a drop down value relation list that takes values entered in Item A
(e.g. rock type "regolith") and looks at a second file for the value that
are listed under "regolith" e.g. clay. The problem I have is that the look
-up value changes to the first one in the second list every time I tab to a
I have a GeoTIFF image created using Web ODM and is mis-aligned by 1 to 1.5
m and I would like to move the image to register with the surveyed ground
control points. I can see vector tools to do this, but no raster tools.
Anyone have any suggestions. Image created in WGS84 z51S.
Cheers Grant Boxer
Type: text/plain; charset=UTF-8; format=flowed
Dear Perth,
On 11/08/2023 09:14, Grant Boxer via QGIS-User wrote:
> I have a GeoTIFF image created using Web ODM and is mis-aligned by 1
> to 1.5 m and I would like to move the image to register with the
> surveyed ground control points. I ca
I have a multiband raster and I need to add all the ten bands together to
create a one band raster file. I can do this in the raster calculator
manually but cannot seem to find a way to do this using the raster
calculator in the graphical modeller. There is a max of 5 bands that can be
operated on
Is there a way to save the guides in a layout template? They do not seem to
be saved when creating a template.
Cheers Grant
Perth WA
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Good morning,
I am trying to create themes in the QGIS map window but it will only allow
me to create one theme. I wish to have one theme for my drill hole collars
(plan view) and another theme for my cross sections (Cross_Section). After I
have created the first theme, the add new theme option is
I am attempting to pansharpen a PRISMA hyperspectral RGB image and I am
getting areas within the image that are clipped (no data). These appear to
bands with zero values in two of the three bands. Anyone have a work around
or suggest how this can be avoided. I am using the gdal pansharpen tool and
Hi All,
I am trying to label drill hole data down drill holes using the Geoscience
plug-in but I am having problems getting the labels oriented at right angles
to the hole trace and spaced away from the hole trace to enable readability.
Has anyone worked out how to do this? Could we use the geomet
Where has the Orfeo Toolbox gone? I believe it has gone from being a core
plug-in to a standard plug-in but I cannot find it in the plug-ins list.
Cheers Grant
-Original Message-
From: QGIS-User On Behalf Of
qgis-user-requ...@lists.osgeo.org
Sent: Saturday, February 24, 2024 1:03 AM
To:
Yes, problem fixed as per reply. Many thanks
Grant
-Original Message-
From: Andrea Giudiceandrea
Sent: Monday, March 18, 2024 9:43 PM
To: box...@iinet.net.au
Subject: Re: [Qgis-user] Problem with contour algorithm
Hi Grant,
have you managed to fix the issue? How?
Best regards.
Andrea
I would like to extract colours from a rule-based rendered shp file with the
aim of applying these colours to a MapInfo tab file. I have tried the rgb
function but that doesn't seem to work. Anyone have any suggestions to
extract the red, green and blue values?
Cheers Grant, Perth WA
_
Does anyone know if there is a tool to georeference 3D images in QGIS, for
example to place a vertical geological section in 3D space? Would it be
possible to modify the current georeferencer to attach xyz coordinates to
points?
Grant Boxer, Perth WA
__
I have a graphical modeller script that produces an rgb image of satellite
imagery. I can only find options to output as a geotiff with LZW compression
(using the Raster Conversion - save raster as in the EnMAP tools) in the
graphical modeller algorithms. Is there a way to use JPEG compression or
s
I am trying to save raster image output from the build virtual raster
algorithm in the graphical modeller as a gpkg file.
There seems to be options for vector files but not raster files.
The aim is to use the gpkg compression when saving the images as a
Geopackage file.
Cheers and all the best
I have drilling data in a geopackage, with collars, assays, etc downhole,
and I would like to composite the assay data into intervals of say >50% Fe
in each hole. There may be multiple intervals above 50% in any hole. The
average grade would need to be calculate for each interval. I would like to
k
In the last few releases I have been having problems with raster images not
displaying if the image is not in the same projection as the map canvas,
i.e. not reprojecting on the fly. For example I can open a satellite image
in WGS84 UTM zone 50 no problems but when I then try to open a vector file
Hi Andrea,
Yes, the problem seems to be fixed now with the latest updates. Many thanks
Grant
-Original Message-
From: Andrea Giudiceandrea
Sent: Sunday, 30 March 2025 7:46 PM
To: qgis-user@lists.osgeo.org
Cc: box...@iinet.net.au
Subject: Re: [Qgis-user] GRASS error
Hi Grant,
the erro
I am trying to link QGIS to a SharePoint drive and can't seem to find an
option. Does anyone have any suggestions?
Regards Grant
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I am running the latest release 3.42 and after a fresh QGIS install I get
the following error message on start-up.
"GRASS init error: Problem in GRASS initialization, GRASS provider and
plugin will not work : Module built against version 8.4.0 but trying to use
version 8.4.1. You need to rebuild G
I have been using the SAGA raster creation tools and the BSpline gridding
algorithm for quite a while and have been using it to grid geochemical and
geophysical data. There appears to be a problem with the latest couple of
releases (3.40 and 3.42) where if I turn on the grid refinement, the grid is
I am georeferencing jpg images and I seem to have to register it twice each
time. The first attempt displays the GCP points in QGIS but not the image.
The wld file is created. I then have to close the georeferencer and re-do
the registration, overwriting the original wld file. This then seems to
wo
I am creating RGB images with Sentinel 2 imagery using the graphical
modeller and would like to use JPEG compression which reduces the image size
substantially. The image files are "Float32 - Thirty two bit floating point"
images. When I look at the compression options when saving the raster image
Is there a way to install the OSGeo4W installer into another folder other
than the c: drive root directory? Installing into the C: drive root
directory causes problems in managed IT systems.
Regards Grant Boxer
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I am trying to use the Copernicus link via the STAC tab in the Data Source
Manager, but when I select a scene and download, like a Sentinel 2 image, I
get the following error.
Error downloading STAC asset: Protocol "s3" is unknown
Any thoughts on how this might be fixed.
My map is in WGS84 coord
wheregroup.com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Hi Grant,
yes, you can choose a different installation location during the
installation process.
Cheers, Hannes
On 6/3/25 08:12, Grant Boxer via QGIS-User wrote:
>
> Is there a way to instal
I would like to apply colours to vector contour lines that would be derived
from a coloured grid of the same data. Anyone have any thoughts on how this
is best done?
Cheers Grant
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