Questions tagged [scale]
The ratio between distances on a map and distances in the world
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Freezing the scale of XYZ layers
I am trying to use an xyz layer to align with some additional layers that will be overlaid. My problem is that the imagery at a resolution closer than 1:2900 is almost a decade old, so I don't want ...
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QGIS - what the equivelant rendering scale dependencies for the zoom levels when generating XYZ Tiles (Mbtiles)?
I am trying to make a map from zoom 0 until zoom 12 in QGIS. All shapefiles have CRS: EPSG 900913.
What i am trying to acheive is eg: on zoom 0 will show just the map, then zoom 2 till 8 will appear ...
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Making space between line features on different scales using ArcGIS Pro
I have a feature class layer where linear features will often be digitised close to each other. These lines are all features in the same layer.
Example when zoomed in:
Problem when zooming out to ...
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How to fix a CRS or scale issue with an XYZ tile ('Google Satellite' image and 'Open Street Map')?
Problem:
Firstly, I am a complete novice to QGIS and I have only been using this software for one week. Therefore, I apologise if I am not using the correct terminology. I have added vector layers (...
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Calculating Leaflet scale ratio for the particular zoom level?
Is there any way we can calculate the scale ratio using L.CRS.scale?
For example, if I execute the following code L.CRS.scale(this._map.getZoom()), the pixel coordinates value for a particular zoom ...
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ERA5-Land Hourly Precipitation Chart and Map
I am little bit confused how to handle the "ERA5-Land Hourly"-Dataset in GEE. I want the total precipitation of every month from 2018 till end of 2021 for my area.
For the chart I took the ...
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Affine transformation: rescaling alters the raster bounds?
I'm trying to rotate a raster around its center coordinates, rescaling the resolution by a factor. I expect the transformation to conserve the center pivot. However; it seems that after the rotation ...
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Locking the scale while resizing the panels in QGIS
QGIS changes map canvas scale while resizing the panels. I use iface.mapCanvas().setScaleLocked(True) to lock the scale.
Is there a manual option to lock the scale in "Settings"?
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GEE specifies scale in meters when CRS is geographic coordinate system?
GEE's ee.Image.reduceRegion has both the scale and crs parameter. The documentation says this about scale:
A nominal scale in meters of the projection to work in.
But if the CRS is a geographic ...
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Reduce shapefile to a specific parcel
I work in QGIS 3.16 and my issue is that I have a line shapefile, which represents a park for solar panels, that is in a bigger scale and I would like to reduce it so that it fits inside an area which ...
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ArcGIS Scale Error
My scales are broken, I can't enter scales manually, how can I go back to the old one?
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Showing z scale with shaded relief instead of colour scale?
I've got a .flt file with a z value (height), when displayed this gives me a scale based on the z value.
To better visualize the data I want to apply a shaded relief function to the data, but when I ...
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Setting symbology visibility to dynamic scale which changes based on specific maps in atlas composer
I have a project where I wish to have four pages of maps for each region, with set symbology for each map level. However each region has a different scale that im working at.
for example region A the ...
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The scale is not true
I have an issue with the scale in QGIS. It does not show the true scale. The area is zoomed out more than in the ArcMap, where the scale is correct. Both of the pictures are on A3 with a scale 1:5000 (...
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"Resize" arbitrary coordinates (inches) to EPSG46
I'm using ogr2ogr to transform an AutoCAD (DXF) file to GeoJSON. The GeoJSON file is generated, but with very large coordinates, for example "coordinates": [ [ [ 6319.645968701713173, 9523....
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Point symbols auto-scaling in map with QGIS 3.2
My point symbols are auto scaling when zooming in and out.
I have seen users ask how to do this and the answer seems to be changing the size measurement to map units, but I am in millimeters and it is ...
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GeoServer CSS - change size dynamically
I have set point style with three different size, based on three different scale.
Is there any way to set one size and this one will increase or decrease automatically according with the scale (like ...
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Relation of DPI to QGIS scale
I am trying to use QGIS to generate OpenStreetMap data in an older format (NTF). Since OpenStreetMap is vector, I am currently using Save Map as Image (I also tried a Print Composer) to generate ...
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The native resolution showed in the Map in GEE after reduce the image collection
I'm new in GEE. I have known that the crs and nominalscale() will change after the mean() method, but I'm confused because the reduced image showed the same native resolution with the original ...
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QGIS 'Powers of Ten' - How to output a series of maps with x1, x10, x100 scale?
I'm pretty new to QGIS. I'm trying to output a series of maps that are at the scale of 10km, 100km, 1000km. I thought this would be a really easy task but for some reason really struggling with it.
I ...
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Verification of map scale
A map provider says on its webpage that the ground resolution (respectively pixelsize) is 0.2m x 0.2m.
The WMTS-Capabilities document states on the highest zoom level (ows:Identifier 16) a scale ...
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Meaning of scale ratio in QGIS
I am new to using QGIS and I cannot find definitive information about how to intellectually use the scale ratio shown at the bottom toolbar. There is a number of predefined scales, with the format ...
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Removing symbols from area that is also shown on inset map using QGIS
I have a layer with locations. I want to display this on a layout that has a map at a small scale (main map) and an inset map at a bigger scale. I do not want to show on the main map the symbols that ...
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Adding scaled location labels in QGIS
I currently am working on creating a choropleth map of population redistribution data, and would like to stack three layers on top of each other.
First, a simple basemap-- I chose to use a Cartro ...
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QGIS zoom to predefined scale with mouse wheel
Do you know if it is possible to set QGIS to zoom to the predefined scales (in project options) when using the mouse wheel ?
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Is there a way to scale all polygons up or down?
I am looking for a way to take a layer and effectively scale and translate all the vector polygons. Specifically, I am trying to make a miniature map of North American States and Provinces that will ...
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Layout Automate map scale
the following code automates the project CRS for display as text in my maps.
[% @project_crs %]
Can anyone provide me with something which will automate the scale of the map?
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Finding scale of map in QGIS
In QGIS I want to know how can I find the scale of a map. I have state boundaries with me, and when I calculate the length of the boundary, it comes out to be something like 245.854.
This most ...
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QGIS Atlas fit center map to another table
In QGIS Atlas, I manage two tables. One regarding buildings sector with its own geometry at sector level. The other regarding buildings. Both tables are related by sector code.
I need one map per ...
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QGIS DXF export problem
I have a problem exporting a layer into DXF format where when the DXF is opened in QCAD the scale is about 1:100,000,000 and when I scale it to correct size, the x and y scales are not the same. For ...
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GeoServer wind speed with WMS
I have a GeoTIFF layer with spatial resolution of 3 km with two bands with wind speed components (u,v). I want to display these datasets with RasterAsPointCollection plugin with arrows size and ...
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Is there a way on Atlas to put a Margin around feature but also use Predefined scales?
In QGIS, how can I put a margin around a feature but also use predefined scales in Atlas? Like an in-between of the two options. I have a feature that fits in the map but as you can see in the image ...
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QGIS not opening NetCDF File correctly
I am trying to add a NetCDF file of sea ice age into QGIS (have tried by raster, drop and drop, mesh), the .nc file contains the sea ice age, latitude and longitude. When I by adding by raster it asks ...
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In Atlas how can I put a margin around a feature but also use predefined scales
In QGIS, how can I put a margin around a feature but also use predefined scales in Atlas? I have a feature that fits in the map but very tightly, so I would like QGIS to use a smaller scale to better ...
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QGIS scalebar shows does not match scale/shows wrong distance
I'm using QGIS3.16.13 and when I add the scale-bar from "view > Decorations > Scalebar" to my map I noticed that it shows the wrong distance. I'm not talking about the print-composer, ...
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Cannot draw map at high scale
In Arcmap 10.8, I am attempting to draw an orthophoto and several polygons at a high scale (not lower than 1:6000). However, Arcmap simply refuses to draw any layers unless I have a spatial resolution ...
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Wrong scale units when reading raster grib2 in QGIS 3
I downloaded grid2 files to read meteorogical variables.
I wanted to read them through QGIS 3.10.2 (windows and I have to stick with this version) but I encountered problems with the scale of the ...
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What does the "scale" setting when plotting a NDVI or EVI time series?
I adapted the script from the guide for ui.Chart.image.series to my region of interest and time period:
// Import the example feature collection and subset the forest feature.
var bm = ee....
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Resolution of results exported from Google Earth Engine
I use this code to export my classification result from Sentinel2 images in GEE:
// Export the results to Drive
Export.image.toDrive({
image: result,
description: 'Unsupervised Classified Image',
...
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WMS map is blank and scale has weird values
Why does a WMS GetCapabilities has different scale values according to version response for the same map?
And the map visible scale is yet different on GetMap requests?
For example in WMS server hydro....
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Wrong scale on printed PDF on Mapfish print
I have a problem with printing layers on concrete scale. For example, I send request as below:
{
"layout":"A4 portrait",
"outputFormat":"pdf",
"...
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Choosing right scale for global aggregations in GEE
What is a correct scale to aggregate global datasets like VIIRS Nighttime Lights in GEE, a scale that will retain maximum (original) amount of information when aggregating over any place in the world (...
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Zoomscale method in QGIS C++ API
I am working on a custom QGIS application using QGIS C++ APIs.
I am able to render .mbtiles file of world blue marble as a raster file on Qgsmapcanvas. but when I call zoomscale API on canvas with ...
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Using scale range in ArcMap
I am using ArcMap 10.8.
I add the UAV data for raster data(.tif).
But in my display, the data only display a particular scale(1:600).
I checked my scale range. But also set "show layer at all ...
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QGIS 3.16 - I want to make by 6"x9" map a 24x36, but all of the text/layers are tiny. Is it possible to automatically scale all of the layers?
I recently got a freelancing gig and am really excited, but I'm having troubles exporting my map in a different size in QGIS. My client wants a map sized 24"x36", and I have created one that'...
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Manipulating the shapefile and made a zoom effect of city districts in QGIS
I need TopoJSON file for use in Power BI with a map where the city districts are zoomed/scaled and placed outside the country in the map.
Here is a map I have made in ArcMap Desktop https://webguru....
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Exporting DXF in 1:1 Scale
I'm trying to export a parcel map as a DXF to scale. Initially I was having issues because my projection was set to WGS 84. I looked through questions on GIS Stack Exchange and learned that I needed ...
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Export Sentinel-5P imagery from Google Earth Engine in native resolution
I want to access SO2 data from Sentinel-5P on Google Earth Engine and get the mean values over a period of two years. According to the documentation (https://developers.google.com/earth-engine/...
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"Scale range" vs "Scale dependent visibility" when labeling features using QGIS
What is the difference between "Scale range" vs "Scale dependent visibility" settings when labeling features using QGIS?
From my perspective they are identical.
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How to print at an architectural scale?
I'm a landscape architecture student who is starting to learn QGIS. How would I be able to manually input a scale I want in inches to feet when exporting for print? For example, if I would like to ...
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