Questions tagged [grids-graticules]
Grids and Graticules include reference grids, measured grids and graticules
132
questions with no upvoted or accepted answers
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Wrangling precision in QGIS with a hypothetical planet
I'm a tabletop roleplaying gamemaster wanting to use QGIS to help organize my notes according to place. GIS addresses my need to store notes and other data that may be anywhere from a few feet from ...
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684
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Local grids with rotated north in QGIS
Like many people in geology and archaeology I need to work with local grids that have eastings and northings from a specific reference point, and typically have a difference alignment/direction of ...
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4
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1
answer
298
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Stop Grid Coordinates Overlapping in Print Layout
I have created some data driven pages in the print layout (controlled by atlas) using QGIS 3.4. The grid spacing is set to a fixed interval (20m). This works fine until one of the pages is located in ...
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3
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69
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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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3
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2
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1k
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Graticule will not display in layout view
Problem:
I am trying to create a graticule for a map in ArcMap 10.7.1. When I create the graticule and hit "apply", the graticule does not display in layout view or when I export the map.
Steps to ...
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3
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677
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Custom formatting coordinate grid using QGIS
I am custom formatting my coordinate grid.
Is there a way to change the following formula so that the output comes with a decimal and suffix?
substr(@grid_number, length(@grid_number) -6,5)
The ...
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3
votes
1
answer
3k
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Centroids of each grid cell
I have a grid created by mean the following script:
# My grid [using package 'sf']
worldGrid <- st_make_grid(x = worldMap, what = "polygons", cellsize = 10)
worldGrid <- st_sf(idcell = ...
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3
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193
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QGIS clip grid frame to shape?
I am working in QGIS and would like the grid frame to align with the edges of my conic projection region. Is there a way to do this? In arc it is very straightforward but I have yet to find a method ...
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3
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92
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gdal_translate to get full vector extent of geo spatial referenced PDF
I am creating GeoTif images from a USFS geospatial referenced PDFs using gdal_translate. I turned off all of the layers that I did not want and it produces a GeoTif of just the center window of the ...
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3
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1
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537
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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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2
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1
answer
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Making gridded map where each grid cell shows the share of points of certain category in QGIS
So, I have a dataset of many points across Europe. For illustration purposes see this image below:
Each of these points has one of four categories attached to it, so the dataset I am working with has ...
- 161
2
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0
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209
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Points interpolation on a polygon geometry
I would like to know how to interpolate point data on a polygon geometry.
I have two PostGIS tables:
the first one contains hourly rain values evaluated in the nodes of a regular grid (specified in a ...
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2
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0
answers
35
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Randomly filtering points in unevenly distributed point dataset?
I have a vegetation plots dataset which has unduly high concentrations of plots in certain parts of the dataset. I want to even out the concentrations of points so that there is a more even ...
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2
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945
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OpenLayer's graticule doesn't properly work
I am making a map of Krasnoyarskiy krai subject of Russia. I have defined a custom projection that should be used for this area using proj4 string. I need to show lat/long grid only for this territory....
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1k
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Create a grid in R, change in cell size displaces position of grid
I'm writing R script which will allow users to overlay a grid on their data in a new projection with the option of defining the size of the grid cell. This seems to work fine, however, when I plot two ...
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2
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250
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What projection to use to create aligned GB and Ireland OS Grid map
I would like to create a map like the following:
It displays the 100km grid square systems used by both UK and Ireland.
I have created the 100km grid squares using the TomBio tools plug in, however,...
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2
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Issue with vector grid and calculating area QGIS
I'm trying to determine the area of occurence from a large polygon superimposed onto 2km x 2km grids. The goal is to have a slightly coarser answer then a straight area of the original polygon as the ...
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2
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273
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Creating grid in ArcGIS Pro that looks exactly same as Corner Label Grid in ArcMap?
When creating a grid in ArcMap I would choose the Label Style Format of Corner label in the Grid Properties dialog box.
I am attempting to create the same grid in ArcGIS Pro, I understand you have to ...
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2
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0
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27
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QGIS 2.18 - how to plot a new point a certain distance and az from another point
I'm trying to figure out a way to plot a new point (or series of points) along a given az and a fixed interval. Essentially, I'm trying to build a grid for soil sampling.
ty
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2
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1
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245
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Add leading zeros to data frame label
This is in ArcMap 10.0.
When using data frames to label UTM coordinates, I'm sometimes asked to add leading zeros (e.g., 590 would become 00590) to the tick or line labels of the data frame. I'd ...
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2
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284
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Creating Point Grid over selected polygon using OpenLayers 3?
I am trying to create an equally spaced grid of points. But these points must only be on land.
I was using the polygon overlay of countries to see if I can use that as a mask.
I have also tried ...
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2
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0
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475
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Creating Polygons of specific sizes
I am very confused! I have tried this afternoon to create a polygon of a set size, namely 30m x 1.8m. I need 33 of these set over a grid (which I have created on a vector layer).
I've read ...
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2
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1
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330
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Drawing graticule with GDAL/OGR?
I'm trying to generate a graticule with user-defined range of latitude, longitude, and interval; however, my code only displays one line of latitude and one line of longitude when loading it in QGIS. ...
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2
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1
answer
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Finding British Columbia township grid?
I'm looking for a shapefile of the Dominion Land Survey township grid for British Columbia. Where might I find this data?
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39
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Getting rid of the light grid lines when exporting map as SVG/PDF in QGIS
I have already tried changing the layer grid options in the Layout Settings and enabling the "Disable tiled raster layer exports" Setting in the Export Menu.
In the screenshot, you can see ...
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1
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53
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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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1
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0
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47
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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 ...
1
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1
answer
133
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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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27
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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.
Through grid calculator I've tried this command:
eq(g1, (x1 ...
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1
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answers
34
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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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1
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1
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465
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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 ...
1
vote
1
answer
50
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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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1
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1
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264
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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 ...
1
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0
answers
180
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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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1
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446
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Ordnance Survey 100m Grid shapefile
I want to add a 100m (hectare) grid layer to my UK map and have been trying to use the FSC's OSGR tool. It is incredibly slow to process, therefore I'm wondering is there are any shapefiles available ...
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113
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QGIS Change Grid labels and scale
I create a map in QGIS, in which I added Grids with labels and Scale.
So in the map the scale is not equal to interline grids.
I know it is related to projection system and location. but how do I fix ...
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1
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0
answers
119
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Setting coordinate Grid with map composer in QGIS
I have been trying to display a coordinate grid on my map with QGIS.
I have a shapefile projected to UTM zone 34N. I have set the CRS to "WGS 84 Zone 34N" on the main properties tab and the ...
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0
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438
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Generate essential grid covering polygon with OGR & Python
I'm trying to come up with a method to recreate the type of grid shown below.
The grid is using a custom projection measured in meters. each cell is 256 x 256 meters.
Ideally I'd like to easily use ...
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1
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0
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307
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QGIS Print Layout Grid Reference Numeric Format
Using QGIS3.14
The default style of grid labels is single size digits, e.g. 251000E and 5897000N.
I wish to show the grid labels in a format similar to Ordnance Survey with the 51 of the easting and ...
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56
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How to impute country to a global population grid?
Have following gridded population data (available from the History Database of the Global Environment, HYDE)
ftp://ftp.pbl.nl/../hyde/hyde3.1/hyde31_final/1980ad_pop.zip
It looks like this:
ncols ...
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78
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Raster Polygon Overlay Analysys
I have a fishnet polygon feature class and a land cover (40 categories) raster. Both cover a large area.
I seek to:
a) calculate the area of each land cover type category (40) inside of each Grid ...
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What is the difference between a N96 and N96e grid space?
Global land-use and meteorological raster datasets are often gridded using N96 or N96e grids. I suspect that they are slightly different but I cannot find information on how they differ. Both split ...
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Total number of cells on each MGRS grid level
I'm trying to figure out how MGRS grid looks like in a whole. I've already read wiki page and some articles but still didn't find the answer to my question.
As I understand:
level (100 × 100 km ...
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0
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178
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How can I get township and range edge labels in QGIS 3.4.13-Madeira
I've created PLSS edge labels before with ESRI and older QGIS and don't remember this being all that hard, but for some reason I'm lost trying to get it done with the newer version. The PLSS data is ...
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0
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79
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QGIS Graticule at Print Layout starting at from 0
I would like to add a graticule with coordinates to my map. However, when I add a new grid and modify it the graticule appears but it always starts at 0 and not from its real value.
How could I fix ...
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0
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506
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How to get a grid 500m x 500m on map composer
I need to make a map on map composer, with a grid layed on it which is 500m x 500m. however the only way I could find of doing this was by adding a grid to my map, found within item properties.
This ...
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Vector to grid - Computing statistics by grid cells
I have a vector point data from drifting buoys (speed, direction, sst, slp) that I want to analyse in a grid. What are the right tools for this?
Example of my points data below. Each point has the ...
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750
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How to create one grid from specific set of points using QGIS?
I need to create one grid/fishnet from a set of points (coordinates). I tried to do it with the point to path tool following this three steps:
1-Vertical's rows: I numbered the points in the ...
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1
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0
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300
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Precision Ag and UTM declination
I've written an open source Precision Agriculture application called AgOpenGPS that does everything from auto steer, to mapping, implement and section turn on/off, auto headland turns and more. It's ...
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1
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226
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Grid creation with specific rows and columns
I have a shapefile for a property boundary and i want to create a grid over this boundary. However I want to be able to specify the number of Rows and Columns, I would also like each individual grid ...
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