Questions tagged [grids-graticules]
Grids and Graticules include reference grids, measured grids and graticules
413
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QGIS generate grid that aligns with landsat pixels
I would like to generate a grid that aligns with Landsat pixel boundaries.
I am happy to do this with Python, QGIS, or commandline tools.
Is it possible to generate one grid that aligns with all ...
- 294
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1
answer
55
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Drawing lat, lon grid over UTM project not working in QGIS 3.32
Goal
I want to draw both an UTM coordinate grid as well as a geographic coordinates grid (lat, lon) on a map in the QGIS print layout window as shown here.
Setup
GeoTIFF layers with tfw files as .zip ...
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28
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1km Grid misaligned. QGIS [closed]
I have downloaded a 1km grid shapefile specifically for Cyprus. When I add this layer, it is severely misaligned i.e. the grid lines are about 30degrees off north. I guess this is a projection issue?...
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28
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Join a raster file with grid data and a CSV file
I am a relatively new user of QGIS and encoutered a first major problem.
I am working with this dataset that converts the available geocoordinates into the European standard ETRS89-LAEA.This is a grid ...
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14
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Change a shapefile with grids to a 2D grid world for RL
I have a shapefile with multiple grids as polygons. I want to convert this into a 2D gridworld so that I can train an RL agent. I tried different libraries but I am stuck in the part of brain storming....
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3
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1
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54
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Creating script to automatically create virtual layers with alphanumeric labels for shapefile grids in QGIS
I have many grids in shapefile format. Adding alphanumeric labels to them can be done through using a virtual layer SQL query as found in this thread: Creating GRID with customized labels in QGIS, ...
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1
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239
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Creating a grid of 1km x 1km
I would like to create a grid for 1km x 1km in one area from a satellite view map in JAPAN using EPSG: 6668 but this error always shows up " Horizontal spacing is too large for the covered area&...
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Is there a easy way to get the Grid convergence in QGIS?
Is there an easy way to get the angular difference between Grid North & True North in QGIS?
This is how I do it:
Make a map in print composer
Set the map CRS to whatever "WGS 84 / UTM zone&...
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1
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38
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ArcGIS Pro - How to put grid coordinates on two different lines in layout?
I'm new to ArcGIS Pro and I am a bit confused on how to add a customised coordinate grid in layout.
I can add a default grid, but I cant find any way to customise it.
I want to create a grid Like this
...
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2
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96
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Transforming lat/lon from displaced-pole grid to regular WGS84 lat/lon
I previously shared my problem on StackOverflow (as Incorrect or shifted longitude in netCDF data, how to fix?), but I was pointed here, because my question is not really about coding, but more about ...
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26
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Stopping graticule labels from overlapping edges using ArcMap
I am using ArcMap.
Every time I make a layout I find myself having to convert the graticule to graphics and then delete the edge coordinate labels for one of the axis (since they overlap with each ...
3
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1
answer
66
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Clip grid to extent of map in QGIS in Layout View
In the layout view (QGIS), I selected the rectangle in the add shape to clip my image (map). However, when overlaying the grid, the edges of the grid extend beyond the clipped image. (appears to cover ...
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35
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How to create point-centered cells grid with geocube
I want to create a tiff file starting from a numpy array which contains temperature data points in the format lat,lon,T2
My data array (the columns contain respectively cell number,temperature,lon,lat)...
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51
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Reprojection from EPSG:3857 to EPSG:31468 in deegree
I have source data in EPSG:3857 that is shifted approximately 20 KM north when reprojected to EPSG:31468 in deegree version 3.4.17 and I am trying to determine the cause.
I am wondering if deegree may ...
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2
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2
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85
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QGIS - How to put Grid coordinates on two separate lines
Im making a map & I want to put the grid coordinates on two lines like this:
I cant seem to find any option to do such a thing in the QGIS layout composer.
Anyone have a suggestion on how I can ...
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31
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3D NetCDF data visualization in IDV
I am using Unidata IDV (Integrated Data Viewer) to visualize geospatial data. The data is in NetCDF format and the metadata as such:
netcdf tn {
dimensions:
ansi = 5 ;
plev = 3 ;
Lat = 160 ...
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1
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29
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Turn off mesh layer in ArcGIS Pro 3D Scene
I was working with a profile view of an elevation surface in a local scene, and I accidentally pressed something that made a mesh appear at a constant elevation in the scene. It looks like a grid ...
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What is LIS 0.25 degree grid used by GLAM project
I am interested in finding the grid system called LIS 0.25 degree used by GLAM project at https://glam1.gsfc.nasa.gov/. LIS seems to be the Land Information System https://lis.gsfc.nasa.gov/ however ...
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53
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How to count features from multiple different layers in a grid in ArcGIS Pro 3.1?
The multiple features (points and polygons) are all a toxic chemical from different sources. The grid was created using the 'Grid Index features', so it is a polygon. Some grid cells have no features, ...
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1
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222
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Projecting fishnet grid using ArcGIS Pro
I want to make a 20 mile by 20 mile fishnet grid over the state of Nebraska, with the origin at either the far southwest corner (approx 11,583,008.75W 5,011,971.55N m) or the far NW corner (approx 11,...
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1
answer
47
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Assign grid squares to polygons that most contain them
I have a featureclass that is a grid of the countries of the world (88,110 squares).
I am trying to assign all the grid cells to the country that each cell MOST contains (from a shapefile of country ...
- 21
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1
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16
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Concatenation of commands in SAGA grid calc
My goal is to mask pixels with chosen value, for example if g1 is equal to x1,x2,x3 the resulting pixel has to be set to 1 otherwise to 0.
Trough grid calculator I've tried this command:
eq(g1, (x1 or ...
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51
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How can I create a grid overlay that accounts for feature density instead of map unit area?
I am working with the below spatial data (each point does contain relevant attribute information). I need to be able to audit these data for completeness and accuracy against the associated data from ...
- 113
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1
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61
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QGIS layout, split grid coordinates from A to Z
I have been using the layout manager to make coordinates for this map. I am fairly new to QGIS so my knowledge is a little limited on how to do this.
I have used this code
if ( @grid_axis = 'y' ,
...
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3
votes
1
answer
112
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Straight lines appearing on print layout for ortho projection
I've created an orthographic projection map, and have added it to a print layout. When I then add a lat/lon grid at 10 degree intervals I get straight lines across the image as well as the curved ones ...
- 31
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169
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Why does the right side coordinate does not appear?
I was working on QGIS 3.28 and the CRS is WGS 1984 Web Mercator. Apparently my right side coordinate doesn't appear in scale 1:750.000.
But it appears when I change the scale to 1:2.000.000 or above.
...
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1
vote
1
answer
85
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Automatic / Parametric Grid generation across multiple polygons in QGIS
I have a following problem:
I have a layer with numerous polygons inside (Over 400). I need to generate grids inside every polygon.
When using the Grid process over a layer, the generated grid covers ...
- 69
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26
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Reproject raster from rectilinear LCC to rectilinear GK
I have many climate raster (netcdf) in a rectilinear grid in LCC projection (EPSG 3034) and I want to reproject it with python to a local Gauß Kryger projection (31467).
Reprojecting every raster ...
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18
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Setting correct options for grid using EPSG 3004 in QGIS 3.10?
I would like to produce in QGIS a layout with the grid.
My project is based on EPSG 3004.
I manage to use the grid tool until a certain point, because the coordinates seem very messy.
What can I do in ...
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29
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When I add a grid "Layout" the units don't match with my map's
When I add a Grid in Layout and select "Map units" and Interval the units still don't match
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156
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ArcPy changing scalebar and grid parameters
I'm trying to use ArcPy in ArcMap, so Python 2.7, to automate the basics for the maps I make on a daily basis. Rather than having myself setout certain elements I want Python via the ArcMap API to do ...
- 523
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1
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130
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Adaptive grid to balance sample density [closed]
I have been following this tutorial https://james-brennan.github.io/posts/fast_gridding_geopandas/ in order to create a grid on a geographical area and to assign labels to each point.
I was curious ...
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1
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423
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How to show pixel boundaries of a given raster in QGIS?
The Norwegian Meterological Institute provides historical weather data. I download one of these .nc files:
curl https://thredds.met.no/thredds/fileServer/ngcd/version_22.09/RR/type2/2022/08/...
- 1,308
2
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1
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357
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Vertical grid shift with PROJ 9
I want to perform a vertical grid shift using PROJ 9.I have never used PROJ syntax and I am having some issues to have it right.
I have checked documentation and this previous post from which I got a ...
- 113
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2
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273
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Creating an irregular point grid with provided row and column numbers in PostGIS
I am looking to create an irregular grid of points via PostGIS, using the four provided corner (point) coordinates, and number of point-rows, and point-columns.
Four corners may or may not be ...
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1
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1
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297
views
Create a grid for more than one country in R
Some time ago I posted my own answer to create a grid inside a country to be used in kriging interpolation:
0........0.kriging error messages, grid file problem ? (automap, gstat)
This grid was for ...
2
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1
answer
269
views
QGIS Map Composer frame to show numbers and letters [duplicate]
I'm trying to create a tactical burn plan map using QGIS. 3.10.3. It needs to be able to be used by lay people to communicate where features are on the map.
To do so I need the map frame to show ...
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3
answers
325
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Adding Lat/Long Coordinates to Frame in Print Layout
I am still learning how to use QGIS: I am making a map of a location in Antarctica, so I am using WGS 84/Antarctic Polar Stereographic coordinates (EPSG:3031). I have put the map into a print layout ...
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-1
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1
answer
109
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Creating fishnet based on DMS Coordinates
I am trying to create a random sampling map of an ocean area. To do this, I would like to create cells that are 1' x 1' in size (one minute by one minute in DMS). My map is using WGS 1984 Web Mercator ...
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3
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0
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53
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QGIS grid doesn't fit
I downloaded the German 1km grid and also create a 100m grid with the same EPSG code
EPSG:25832 - ETRS89 / UTM zone 32N
but the created grid doesnt have the same coordinates. Why did this happen?
...
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57
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ArcPy GridIndexFeature doesn't calculate square Grids - But using the tool in ArcGIS Pro desktop it does
I am currently trying to create Grids for several counties in my country.
Therefore I wrote a Python script using ArcPy and the GridIndexFeatures tool.
I want a 1000x1000 Meters Grid. If I am using ...
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1
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40
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Retrieve scale-value of a specific map in specific print-layout for using this scale in model-builder
I made a model with the model-builder which create a grid with its height- and width-size dependend on the size of a certain map in a certain print-layout. It allready works fine.
But that for I need ...
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137
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How to enable grid decorations programmatically in QGIS3?
I'm developing a plugin that will enable the grid decorations(like copyright, scale bar) on the map canvas, but I don't find any clue on how to do it.
Just to clarify I don't want to create a grid ...
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78
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QGIS geographic grid
I need to know why my geographic grid it is not 37mm / 3,7 cm, I guess this bug or somethings is not true, I need to print grid with 30" interval and 37mm length of grid in milimetre.
QGIS ...
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4
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1
answer
1k
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QGIS Grid not displaying correctly
I'm trying to create a map from a specific province in Argentina in QGIS 3.10. I am trying to create a map showing multiple coordinates showing hail fall data exported from a csv file and projected on ...
6
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1
answer
342
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QGIS custom grid overlapping in printing layout
I've set my custom grid in the print layout. The problem is, that in one corner both values from X and Y axes overlap each other.
I used the offset, as you can see below, but I am wondering how to ...
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207
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Match map's borders to graticule in QGIS Layout
I'm using QGIS v.3.22.0.
I've been going crazy trying to adjust a map size to match a graticule in the Print Layout.
I don't want to have any squares cut in the middle.
I don't want to adjust the grid ...
- 363
-6
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2
answers
530
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Measured grid in Mapbox [closed]
I’m trying to create a reference / measured grid in Mapbox so that each grid tile represents a consistent square shape. I know this square shape might not represent a consistent area.
Using long and ...
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2
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606
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ArcMap - How to create a grid in acres
In ArcMap, I need to depict points per acre as a layer on my map.
How do I create a grid layer with the grid cells equal to one acre?
My resolution is 1 meter. I've been working with Fishnet and have ...
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96
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Setting reference grid to map layout on ISO A4 page template in ArcMap but grid is not fitting to data frame
I am using ArcMap 10.8.1.
I have attached both the screenshots of the map layouts. When I am working with a previously saved Map Layout which I created in ArcMap 10.5, the grid is showing in proper ...
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