Questions tagged [grids-graticules]
Grids and Graticules include reference grids, measured grids and graticules
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Putting grids only in particular area [closed]
How can I put grids only in a particular area? Like this one outside the base maps.
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6
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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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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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1
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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
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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 ...
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1
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13
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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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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 ...
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1
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44
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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
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1
answer
56
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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 ...
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57
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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
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48
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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 ...
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21
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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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16
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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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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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75
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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 ...
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1
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74
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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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215
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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/...
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Create a Custom Grid for Each Page in Data Driven Pages Setup (ArcMap 10.8)
I am using a data driven pages set up in ArcMap in which each page is projected differently according to the UTM zone it falls in. These pages cover the entire US, so there are many different UTM ...
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2
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1
answer
189
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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 ...
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2
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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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171
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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
145
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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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0
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3
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116
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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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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
answers
45
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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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1
answer
40
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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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47
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Cut out area in grid file
I've got multiple grid files ("*.grd") that contain the data of e.g. rivers and their surrounding area and I want to create new grid files that have the e.g. river part(s) cut out - think of ...
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1
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1
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34
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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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95
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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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0
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66
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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
635
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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
291
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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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1
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176
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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 ...
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2
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468
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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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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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76
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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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1
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2
answers
425
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Adding decimal degree reference grid in ArcMap
How do I add a decimal degree reference grid to ArcMap that is multiples of 2?
See attached photos for what I have vs. what I would like. I have tried changing the interval under data frame properties ...
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120
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Adding coordinate labels to vector grid lines using QGIS
I would like to know how I can add coordinate labels to the gridlines, created by the "Create Grid" function in the "Vector->Research Tools" menu, in QGIS 3.18?
My goal here is ...
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0
answers
49
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OS Grid reference control clash with version 6.3.1
I would like to implement the OS Grid reference control, which is here:
http://eap.ucr.ac.cr/mapas/ol-ext-master/examples/canvas/map.control.gridreference.html
I have modified the code for my needs, ...
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2
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1
answer
50
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QGIS problem with labelling grids
I would like to label my grids in QGIS. I know the Printing Layout option presented i.e. here
https://geoafrikana.com/how-add-grids-and-grid-frame-map-qgis/
but yet as the layer.
I want them as ...
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168
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Grids of basemap when exporting PDF in QGIS print layout
I've been getting perpendicular lines through my basemap imagery in my QGIS layout exports to PDF (see photo).
Some notes:
The lines do not appear on the export screen.
I have guides built into the ...
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24
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Why WGS-84 1-second grid strokes are not drawing in QGIS (3.20.2)?
I have a project in the Mercator projection (QGIS (3.20.2)). I created a layout of the future map, where I adjusted the coordinate grid (WGS-84). Added 1 second, but part of its interval is no longer ...
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3
votes
1
answer
373
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"No feature was found..." when making custom grid coordinate format
I'm in QGIS layouts trying to make a custom grid coordinate format but get the error:
No feature was found on this layer to evaluate the expression.
This error does not appear if I have a single ...
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1
answer
157
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How in QGIS to place the signature of the latitude and longitude of the map corner in the layout?
It must be done as in the example.
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2
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1
answer
210
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Numbering grid cells using ABC & 123 in QGIS
I'm trying to number a grid from 120 rows by 120 columns: horizontal ABC, vertical 123 using Algorithm ID: 'native:creategrid' and
Algorithm ID: 'QgisregularPoint'.
Numbering vertically isn't a ...
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2
answers
315
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How to draw and index "trial plots"
I've starting using QGIS to extract data from drone survey maps of agricultural field trials. One of my biggest hurdles is actually drawing the polygons and identifying them in a way that I can ...
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39
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Grid coordinate issues in print layout
I cannot get the grid coordinates to show anywhere near the correct values. Have played around with CRS's and had no luck.
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130
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Custom map grid showing township/range in QGIS Composer
I am trying to create a map layout with the township/range grid labeled around the map. I created a grid with tick marks every 6 miles, but am not sure how to get annotations of each township/range. I ...
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76
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Adding local LonLat to coordinate grid using QGIS
How can I add my areas lon and lat to coordinate grid on QGIS3?
For example, my map's horizontal coordinate grid contain 55.4E, 55.6E, ... and vertical coordinate grid contain 29.2 N, 29.7N,..). I'm ...
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0
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0
answers
484
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Code for generating tiles/grids on Google Earth Engine [duplicate]
I would like to create a featurecollection of tiles/grids (like attached image) that covers an entire state. Is there anyway to create such a grid where each side of the rectangle is 100-meter for ...
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