Re: [Qgis-user] Unexpected comparison Web-Mercator vs Mercator

Vedran Stojnović via QGIS-User writes: > QGIS should do on-the-fly reprojection, but you can count on only the > defined vertices of geometry as far as I know. Do you mean: The meaning of a linestring is the points at vertices, and between them, a straight line in whatever CRS the data is c

Re: [Qgis-user] Using Qgis on Cloud PCs

Mukesh Gandhi via QGIS-User writes: > Hello team, > > I'm with the Mott MacDonald IT Team. > > We use Qgis on one of our modelling PCs. We are in process of migrating our > Modelling PCs to a cloud environment. > > Please check and advise if we can use Qgis on a Cloud PC. Are there any > requir

Re: [Qgis-user] layer with multiple geotiff or jp2?

Jorge Gustavo Rocha via QGIS-User writes: > You can try GDAL. You can create a virtual layer with all those images. > > gdalbuildvrt massgis.vrt *.jp2 > > The add massgis.vrt to QGIS. Thanks very much for the hint. This is indeed what I was looking for. It was very slow in qgis, and it seems th

[Qgis-user] layer with multiple geotiff or jp2?

I've been sort of looking for how to do this, but not find it. Apologies if I've failed to read the docs. I have imagery (from MassGIS) that is stored as .jp2. Functionally I think this is the same as geotiff with different compression. I can 'add layer' on it and that works fine. I also have D

Re: [Qgis-user] XYZ tiles in CRS other than web Mercator

Patrick Dunford via QGIS-User writes: > I honestly don't know that you have any option to use other than > EPSG3857 for webtiles. It's practically baked into the webtile > specifications. I am not sure if the OP is talking about TMS or WMTS: https://www.ogc.org/standards/wmts/ With the phras

Re: [Qgis-user] georeference intersecting lines of highway

Garth Fletcher via QGIS-User writes: > I think you have to know the projection used for the printed map, and > then set that layer's CRS to match. > Then you can convert ("warp") it to your preferred (project) CRS. > > The problem is that different projections distort the map in different > ways,

Re: [Qgis-user] georeference intersecting lines of highway map

"John W. Blue via QGIS-User" writes: > I have downloaded historical highway maps in .png format that I would > like to georeference. Very cool; consider publishing the georeferenced versions. > Around the perimeter of the map are a few lines indicating lat and > long making it easy to be able t

Re: [Qgis-user] Proposal to Discuss a Logo Update for QGIS

Totò Fiandaca via QGIS-User writes: > I would like to propose opening a discussion about the opportunity to > update the QGIS logo. The current version was introduced with the release > of QGIS 3.0 back in 2017 — it's been 7 years since then. > > Looking at the project's history, each major relea

Re: [Qgis-user] Remote Access by Multiple Users

Andreas Neumann via QGIS-User writes: > For Multi-User data editing I definitely recommend using PostgreSQL > (the server should be in the same LAN than the clients > editing). By 'same LAN', do you mean "same Ethernet, meaning no IP routing" or just "on the same premises so you have Gigabit spe

Re: [Qgis-user] Remote Access by Multiple Users

Andreas Neumann writes: >> What happens if multiple people try to use the same project? Are >> changes by one person propagated back to others as they are opened? >> How are write-write conflicts handled? > > There is no conflict handling. The one that writes last wins. > >> Or is the norm that

Re: [Qgis-user] Easy way to use categorical classification on 'array' type fields?

Richard Duivenvoorde via QGIS-User writes: > We have vector data with one field in that data which is an "n array of > (freeform) tags"... > > So having 10 records, we may have 30 different tags. > > Is there a way to 'explode' those records within QGIS (without manipulating > the source), so w

Re: [Qgis-user] QGIS GNSS NMEA Transformation Problem WGS84 to MGI Austria

Peter Hartl via QGIS-User writes: > QGIS interprets NMEA data as WGS84 geographic data which is correct! No, it is not correct. It is only correct it the receiver is operating in WGS84. That is true *only* for non-differential solutions. That means not with SBAS, not with RTK. And, it's also

Re: [Qgis-user] QGIS GNSS NMEA Transformation Problem WGS84 to MGI Austria

Peter Hartl via QGIS-User writes: > GNSS NMEA interpreted as WGS84 in QGIS can do transformation with > gridshift from ETRS89 to MGI, that is alredy working very good. What do you mean by "GNSS NMEA interpreted as WGS84"? What reference frame is your GNSS data actually in? It could be WGS8

Re: [Qgis-user] Georeferencing Problem in QGIS-Version 3.34.12-Prizren

Belal Elsharkawy via QGIS-User writes: > if anyone has an idea or can help, I have a problem with georeferencing any > 2D plan since a long time and have tried almost everything possible. > After importing the georeferencing wanted plan in the Georeferencing > window in QGIS and choosing 3 point

Re: [Qgis-user] QGIS Windows installer options

Paul Wittle via QGIS-User writes: > I notice that the proj library has become pretty big in recent times > and I've discovered that if I remove a bunch of worldwide projections > are I can significantly reduce the size of QGIS installs. Do you really mean 'projections', or do you mean datum grid

Re: [Qgis-user] Need to get your feedback between paid GIS and QGIS

Denis Bourouffala via QGIS-User writes: > I would like to get your feedback regarding a question related to gis > product. You are posting from a gmail account. Can you explain what your larger purpose is, such as - are you doing homework? - are you asking on behalf of your employer? - a

Re: [Qgis-user] CartoCSS plugin

"opsoge.dcz--- via QGIS-User" writes: > I started working on a plugin to edit CartoCSS directly in QGIS because QGIS > is best at creating printable maps but worst at easy styling out of all > software I tried. > > I shelved the project for some time, and it still needs some work. > > How many

Re: [Qgis-user] offline basemap in Qfield

"Huesmann, Michaela via QGIS-User" writes: > I would like to record data with Qfield using my Android mobile > phone. In order not to use too much data volume, the base maps should > be downloaded via WiFi beforehand so that they can be used offline > outside. However, GPS must be used for orient

Re: [Qgis-user] Survey on desktop based geoprivacy plugin

Emma Hain writes: > Hi All > Just helping Pankajeshwara > here as we > have had connections within the FOSS4G Oceania community and he presented > at our regional > conference last y

Re: [Qgis-user] Survey on desktop based geoprivacy plugin

Pankajeshwara Sharma via QGIS-User writes: > We believe that this is the ideal place to ask this question. *Would a > desktop-based geoprivacy plugin be more receptive to users than its online > version?* You said "we" but you are writing from a gmail address. Can you explain who "we" are, and

Re: [Qgis-user] MMQGIS - Reverse geocoding -REQUEST_DENIED

krishna Ayyala via QGIS-User writes: > In continuation to the below email, I wish to add that, the keys are good. > Just purchased. Still getting the same error. REQUEST_DENIED. Tried on a > different computer. Getting the same error. My qgis version is 3.28. If > this error cannot be rectified,

[Qgis-user] seeing coordinates in the data table

When I open the data table, I can't find a way to see the geometry object, in either layer CRS or project CRS. I do see a way to generate a layer which has the attributes as fields: https://docs.qgis.org/3.34/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#add-geometry-attributes

Re: [Qgis-user] Z($geometry), CRS and transforms: buggy?

Andrea Giudiceandrea via QGIS-User writes: >> Greg Troxel gdt at lexort.com >> Sun Sep 1 16:14:34 PDT 2024 > >> The TL:DR: is that I believe >> Z($geometry) returns the Z value from the geometry in the layer, >> without regard to the CRS. It *should* return the Z component after >> transf

[Qgis-user] Z($geometry), CRS and transforms: buggy?

The TL:DR: is that I believe Z($geometry) returns the Z value from the geometry in the layer, without regard to the CRS. It *should* return the Z component after transforming from layer CRS to project CRS. (qgis 3.34.10) The longer story: I have been gathering data for generation of ele

Re: [Qgis-user] Python code to select polygon at location

Zoltan Szecsei via QGIS-User writes: > Hi, > I'm doing my "once a year need to do something in python with QGIS" :-/ > Using QGIS 3.38 and PyCharm. > > I have a SHP file with 28000 polygons. > Another SHP file with 22000 Points > Both in EPSG:4326 > > Without using QGIS processing, what is the qu

Re: [Qgis-user] Editing GPKG from network drive

Simon Gröchenig writes: > The problem probably occurs due to hourly backup tasks. These are > reading the GPKGs also during edit sessions. And that triggers the > errors. Sounds like you have a filesystem that doesn't work right, then, at least in terms of the locking sqlite needs. I think it's

Re: [Qgis-user] Editing GPKG from network drive

Simon Gröchenig via QGIS-User writes: > Hi list, > > a project partner "sometimes" struggles to edit GPKGs that are saved > on a network drive. Trying to modify the GPKG in QGIS results in the > following error: > >> Provider errors: OGR error committing transaction: >> sqlite3_exec(COMMIT) faile

Re: [Qgis-user] QGIS.org new website now online

Tim Sutton via QGIS-User writes: > 🥳 The new website is now online! Visit https://qgis.org to try it out. We > have spent a *lot* of time trying to QA things but undoubtedly there will > still be some *gremlins* in the works. Please file issues here > if

Re: [Qgis-user] QGIS 3.38 for MAC Intel downloads as 3.36.3

Garth Fletcher via QGIS-User writes: > It would be very helpful if the Mac download file names included the > version info. > For example: >  "qgis-macos_3_34_7-ltr.dmg"   instead of just "qgis-macos-ltr.dmg" I'll second this, and say that a filename with varying contents is bad practice and the

[Qgis-user] trip report from recent toot about plugin blog page

Recently I saw a toot announcing a blog post about new/updated plugins. This is comments about my experience from that, hoping it is helpful. 1) It's great there was a toot (mastodon) instead of on some centralized site where you have to agree to surveillance to be allowed to see it. 2) It direct

Re: [Qgis-user] problem when opening projects in open instance

Garth Fletcher via QGIS-User writes: > Just ran into same problem. > I created 2 separate .qgz projects using QGIS 3.34.7 under Mac OSX 10.13.6 > > I transferred the qgz files to a Windows installation of QGIS 3.34.7 > and only one would open. > The other resulted in the "Unable to unzip file..."

Re: [Qgis-user] Advance Digitising Tools- compass bearings

Philip Ryan via QGIS-User writes: > Hello, > I am trying to digitise a series of old gold lease "portion plans" > produced in the 1880s in Australia by a mining surveyor using a > compass and chain. The data for each gold lease includes a table of 1) > compass bearings in degrees and 2) distance

Re: [Qgis-user] Vermont Coordinate System

Well, I learn something new every day! https://legislature.vermont.gov/Documents/2024/Docs/ACTS/ACT086/ACT086%20As%20Enacted.pdf But it does look like adopting the SPCS, at first glance. ___ QGIS-User mailing list QGIS-User@lists.osgeo.org List info:

Re: [Qgis-user] Vermont Coordinate System

Chris Olson via QGIS-User writes: > Is it possible to have the Vermont Coordinate System (VCS) used by QGIS? I'm in MA and have never heard of it. Feel free to send a reference to it, here or offlist. This might be a state plane coordinate system. But it might not be.

Re: [Qgis-user] How to connect qfield to GPS RTK

david cebrian via QGIS-User writes: > I have read the qfield documentation but I still don't know how to > connect my RTK to qfield in order to do a topographic survey. I am > using android and the latest version of qfield. QField has a settings page for positioning and you can add sources. It

Re: [Qgis-user] Announce - migrate our mailing lists to Discourse

Tony Bazeley via QGIS-User writes: > I'm not against new communication channels, but imagine the maximum benefit > would be obtained by adding a discourse channel while keeping the mailing > list > channel, and perhaps reviewing use after a period of time. That's a great point, and I should h

Re: [Qgis-user] Announce - migrate our mailing lists to Discourse

What I meant mostly is two things: People like me tend not to be happy about things turning into forums and are likely to participate less. As an example, openstreetmap moved from mailinglists to forums and I have not, so I interract far far less and spend more time on other things. I

Re: [Qgis-user] Announce - migrate our mailing lists to Discourse

Régis Haubourg via QGIS-User writes: > With this move, we hope that we can counter the current fragmentation > and streamline our discussions. Please fell free to react. I'm unhappy about this, as I suspect are others who have been in the Free Software world a long time. I expect that this will

Re: [Qgis-user] Should my QGIS 2 Plugins be removed from plugins.qgis.org?

C Hamilton via QGIS-User writes: > I am wondering whether it is time to remove my QGIS 2 plugins from > plugins.qgis.org. It seems like everyone should be using QGIS 3 now and if > they are not, they should be. What are your thoughts? All of my QGIS 2 > plugins are much less capable than my versi

Re: [Qgis-user] Migrating QGIS User mailing list to OSGeo Discourse, yes or no?

Alexandre Neto via QGIS-User writes: > Seems that OsGeo is providing a Discourse instance. Discourse seems to > be something that can work both as a mailing list and a forum. The Yes, osgeo has set up discourse, but from lurking I would not describe it as having passed acceptance testing. My im

Re: [Qgis-user] International/Local Labeled World Basemap in QGIS. Protomaps?

Richard Duivenvoorde writes: > On 10/24/23 13:40, Greg Troxel via QGIS-User wrote: >> I am not sure how I feel about "range requests are the right answer" vs >> tiles, as from a CS viewpoint it seems to be the same thing and it feels >> a little like "you have

Re: [Qgis-user] International/Local Labeled World Basemap in QGIS. Protomaps?

Richard Duivenvoorde writes: >>I am unclear on how we are dealing with the required OSM attribution >>in qgis. I have added OSM tiles with quickosm, and the main map view >>lacks attribution. I did publish a pdf map of local conservation, and >>I was careful in the map composer

Re: [Qgis-user] International/Local Labeled World Basemap in QGIS. Protomaps?

Richard Duivenvoorde via QGIS-User writes: > Looking at Protomaps [0], and see that it's tools are OpenSource, data > from OSM data, and you should be able to host a 110Gb file via CDN as > basemap. Two more thoughts: I, and I suspect many others, often want basemaps for a much more limited

Re: [Qgis-user] International/Local Labeled World Basemap in QGIS. Protomaps?

Richard Duivenvoorde via QGIS-User writes: > Looking at Protomaps [0], and see that it's tools are OpenSource, data > from OSM data, and you should be able to host a 110Gb file via CDN as > basemap. I have been hearing about this and due to excitement inertia I am still in the stage of finding i

Re: [Qgis-user] Qgis & photos (google street view) : Downloading photos and use its for atlas?

celati Laurent via QGIS-User writes: > I would therefore like to be able to add map items dedicated to Google > streetview photos to this atlas. Do you know what ways there are to first > save/download Google StreetView photos? Will the uploaded photos be > geotagged/geocoded? Then, the idea woul

Re: [Qgis-user] Data Privacy

Toby Clemett via QGIS-User writes: > If a company or organisation decided to open locally stored sensitive > location data within Vanilla QGIS, would the information stay on the > user's hard drive and not be shared with QGIS or anyone else > externally? If you configure an online tiled map laye

[Qgis-user] redesign of qgis web site

I saw on mastodon something about web site redesign. One aspect of the current site that is very good is limited third-party resources, and no apparent tracking. There are images loaded from live.staticflickr.com, and it would be nice to avoid that. In my experience redesigns often involve vas

Re: [Qgis-user] Georeference DSM files in QGIS Using Georeferencer

Richard McDonnell via QGIS-User writes: > It appears that, when you georeference an image which already contains > reference information it in effect applies a shift to the outputs. > One solution might be one of the options suggested > here

Re: [Qgis-user] Georeference DSM files in QGIS Using Georeferencer

Mark C Quilter via QGIS-User writes: > We flew the same site last month and produced orthomosaic, point cloud, and > DSM. However, we were not able to put out ground control so we needed to > rectify the images in QGIS so they would align with the 20213 imagery and > models. We were able to al

Re: [Qgis-user] Installing on MacOS

Garth Fletcher via QGIS-User writes: > If you could upgrade to OS X 10.13 (High Sierra) then you could run > QGIS 3.30. generaly people upgrade as far as they can, but I agree that 10.12 is odd, vs 10.11 or 10.13, both of which are terminal on various hardware, due to apple deciding that old equ

Re: [Qgis-user] Sicherheitslücke [ CVE-2023-36664 ] Ghostscript in Qgis?

Ronny Kerlin via QGIS-User writes: > We have an important question regarding a recent vulnerability [ > CVE-2023-36664 ] affecting Ghostscript > > There are also corresponding GS libraries in #QGIS 3.28.4. qgis is source code. I just looked quickly, and did not find any ghostscript. In the bi

Re: [Qgis-user] Z and Elevation

Manolo Terranova writes: > EPSG 32632 The zip had a shapefile tagged as 32632, with (per ogrinfo): Name: String (16.0) Code: String (60.0) Northing: Real (18.5) Easting: Real (18.5) Elevation: Real (18.5) OGRFeature(Ponti):0 Name (String) = cs004 Code (String) = pn North

Re: [Qgis-user] Z and Elevation

Sebastian Gutwein via QGIS-User writes: > Manolo, > You may already know this and be asking a deeper question that I am not > understanding but in case you are not: > The Z is the value derived from the geometry itself that QGIS uses to draw > the location of the point. > The Elevation is an attr

[Qgis-user] pegged CPU and vast RAM usage saving Layer Definition File

I am using qgis 3.28.7, built under pkgsrc on NetBSD 9 amd64. Generally things work well, aside from this problem. My machine has 24 GB of RAM. For plugins I have QField, geoscience, Lat Lon Tools, CoGo, DB Manager, Numeric Digitize, Quick Map Services, Quick OSM, SLYR CE. None of that seems un

Re: [Qgis-user] Technical specifications

Sébastien LAGARDE via QGIS-User writes: Keep in mind that I have not used QGIS in a super serious way, and haven't even tried to figure out how much resources it needs, other that on my desktop (a hand-me-down machine that was high end in 2014, with 24 GB RAM), it runs fine. There's a huge quest

Re: [Qgis-user] QGIS for safe organization use

Mike Flannigan writes: > What is ITAR?  When I look up ITAR I get: > International Traffic in Arms Regulations > > Ah, I see that is it: > > "ITAR rules is a precondition of receiving controlled > goods and technologies from a U.S. company." > > We are running into that with a project I am involv

Re: [Qgis-user] QGIS for safe organization use.

jhubbslist--- via QGIS-User writes: > I made a decision a long time ago to stick with QGIS and other Open > Source software for GIS purposes because my access to ESRI products > depends on an employer's or client's paying for it; if I no longer > have that employer or client, I'll lose that acces

Re: [Qgis-user] QGIS for safe organization use.

Simon via QGIS-User writes: > Now, a large portion of the information regarding the buildings and > their locations is confidential, and so I'm wondering if the > geodatabase and layer that I plan to create will be safe and > protected, or if other users will have access to them since QGIS is > f

Re: [Qgis-user] How can I change the projection center

JOE LEMONNIER via QGIS-User writes: > Is there a simple way to change the projection center from the prime > meridian? On checking the web, I see posts from three years ago > suggesting awkward workarounds. Is there a simple way? Your question presupposes a lot and leaves out the details and is

Re: [Qgis-user] Geopackage slow on NAS if not read-only

Neil B via QGIS-User writes: > When you open a GPKG, meaning you are accessing data from the file, the > -wal file and its partner the -shm file are created in the same directory > as the GPKG file. The WAL file is created to implement atomic commit and > rollback. At the file system level, if yo

Re: [Qgis-user] Problems with transformation including height values

Bo Victor Thomsen via QGIS-User writes: > Hi list - > > I have a problem with transforming a csv file containing x,y /and /z > values from EPSG:4326 to EPSG:7416, i.e I want to transform the height > value from LongLat/ WGS84 ellipsoid height to UTM32/Etrs89 with > vertical reference DVR90. Even

Re: [Qgis-user] What QGIS plugin development should I work on this year?

Great place to ask IMHO. These is a combination of a suggestion and a fish for an answer that tells me no work is needed. I don't know how widespread the audience is relative to your standards. 1) Consider someone with a local coordinate system establish with a total station or similar classica

Re: [Qgis-user] importing GeoPDF

JOE LEMONNIER via QGIS-User writes: > Is there a way or a plugin that allows me to import GeoPDF file such > as USGS topos into QGIS as vectors? I’m using version 3.22.6 and > trying to import with Layer>AddLayer>Add Vector Layer, but it gives a > message “ Invalid Data…" (Given that there is ac

Re: [Qgis-user] importing GeoPDF

JOE LEMONNIER via QGIS-User writes: > Is there a way or a plugin that allows me to import GeoPDF file such > as USGS topos into QGIS as vectors? I’m using version 3.22.6 and > trying to import with Layer>AddLayer>Add Vector Layer, but it gives a > message “ Invalid Data…" > Thanks in advance, Ar

Re: [Qgis-user] Generate XYZ Tiles in QGIS from OSM? Broken?

Richard Duivenvoorde via Qgis-user writes: > I tried to create a small off line version of OSM for a municipality from a > OpenStreetMap xyz layer. > More or less like this clip: https://www.youtube.com/watch?v=IWGkW0_DrHo Do you mean "bulk download tiles"? If so, your client may be blocked b

Re: [Qgis-user] QGIS and geopackages in sharepoint environement

Guido Häfliger via Qgis-user writes: > We are discussing in our company to switch from local fileserver/NAS > to Sharepoint (hosted in cloud). Will QGIS-projects and geopackages > work on sharepoint environment or do we have to expect a lot of > troubles? Have anybody experience with QGIS and ge

Re: [Qgis-user] excessive threads?

"Johannes Kröger (WhereGroup) via Qgis-user" writes: > Am 31.07.22 um 18:11 schrieb Mike Stanton via Qgis-user: >> >> It all depends on the module you are running and whether it >> effectively uses the “-multi” option with “all_available_cores” and >> of course how many cores are available on yo

Re: [Qgis-user] excessive threads?

I do understand that threads could help parallelization, eitehr using multiple cores, or just allowing IO in parallel. chris hermansen writes: > Does it seem like you have one thread per layer for reading plus one for > rendering plus one for user input? I don't know how many layers I have :-

[Qgis-user] excessive threads?

(I realize excessive is relative. Back when I was young, we didn't have any threads at all) My desktop is NetBSD 9, I ran out of threads, and found that qgis 3.22.8 was using 157 threads, much more than I expected. Yes, I know 157 is not a super large number, and that the limit of 1024 thre

Re: [Qgis-user] SOLVED: Offline background map for large regions

Andreas via Qgis-user writes: > I will stick with the 180 GB spatialite db (though being a little > unhappy with the size), but applying a redy-to-go osm style I found on > the net reduced the details of the lower scales, so it stays useable > when staying there. The style has only 3 zoom levels

Re: [Qgis-user] Replay GPS data

Brent Wood via Qgis-user writes: > I have a log file of GPS NMEA messages captured during a survey. > > I'm working with QGIS for real time data capture during these surveys. > > For demo/training/dev purposes I'd like to pass the file of GPS messages into > QGIS via teh GPS panel to simulate t

Re: [Qgis-user] Offline background map for large regions

Andreas via Qgis-user writes: > Currently I have an older core i7 with 8 GB RAM running QGIS Desktop > 3.10 on Linux Mint 20.3, which I know is already obsolete but it's in > the repositories of this most recent Linux Mint LTS version, and I need > a stable system that does not break due to a li

Re: [Qgis-user] Dimensioning in QGIS

IainS via Qgis-user writes: > Is there a tool for adding dimensions in QGIS. For those who are wondering > what I am talking about, it is common in CAD drafting to add dimensions to > what you have drawn and this is a whole part of a CAD program where you can > format dimensions .etc. > > I have

Re: [Qgis-user] [QGIS-Developer] Use of NE(SW) in the showing of (ordered) coordinates within QGIS

Richard Duivenvoorde writes: > I think we should never copy the characters, only numbers ( well, > except when using W/S/E/N :-) ).. Having thought a bit more this seems very tricky. > I also understood from somebody that when using latlon coordinates the > minus sign is actually redundant, as

Re: [Qgis-user] [QGIS-Developer] Use of NE(SW) in the showing of (ordered) coordinates within QGIS

Richard Duivenvoorde via QGIS-Developer writes: > In 3.24 you will see something like "WGS84 5.2 52,3" > While in master it shows: "WGS84 52.3N 5.2E" (note the N and E) > > For WGS84 I think this is normal (to show WSEN), but for other crs's I > think it is overkill? > > In 3.24: "EPSG:28992 (1

Re: [Qgis-user] Help with scales in print layouts for geographic CRS

A further suggestion, which may be too much. UTM, and the various LCC used in the US at State Plane Coordinate Systems, have x/y coordinates that are nominally in meters (well, the older ones used ft or ftUS). Central meridian or standard parallel scale factors are chosen to make distance measur

Re: [Qgis-user] Help with scales in print layouts for geographic CRS

Nyall Dawson writes: > I've been thinking about introducing a new warning when exporting > layouts, which would look something like this: > > 1. For each scale bar, look at the referenced map > 2. Measure the scale using multiple lines, each across the > top/middle/bottom horizontally and left/c

Re: [Qgis-user] Help with scales in print layouts for geographic CRS

Nyall Dawson writes: > In all cases (projected OR geographic) the scalebar logic is: > > 1. Create a horizontal line across the width of the layout map > 2. Calculate the length of that line using great circle/ellipsoidal > calculations, based on the project's ellipsoid settings. > 3. Compare th

Re: [Qgis-user] Help with scales in print layouts for geographic CRS

Patrick Dunford via Qgis-user writes: > On 6/04/22 11:34, Greg Troxel via Qgis-user wrote: >> Jorge Gustavo Rocha via Qgis-user writes: >> >> 2) Using a geographic CRS, the same 150mm x 150mm map, at the same >>> 1:1 scale, the area is bigger then the 15

Re: [Qgis-user] Help with scales in print layouts for geographic CRS

Jorge Gustavo Rocha via Qgis-user writes: > I need you help to understand how scale works with geographic > coordinate systems. A good question. > This is my use case: It seems like your minimal example to show what doesn't work like you think it should, instead of what you want to do, but tha

Re: [Qgis-user] question about DATE of satellite ESRI and Google basemaps in QuickMapServices Plugin

Nick Jadallah via Qgis-user writes: > I have installed QuickMapServices for QGIS to have more basemap options. I > have used the "Google Satellite" and "ESRI Satellite" basemaps. It just > occurred to me that the YEAR in which these maps were published (i.e. which > year the satellite image data