Questions tagged [grids-graticules]

Grids and Graticules include reference grids, measured grids and graticules

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18 views

How make grid on map in Folium?

I need make grid 500 x 500 meters in Folium. I tried change this code: https://www.jpytr.com/post/analysinggeographicdatawithfolium/ My code bellow: def get_geojson_grid(lower_left, upper_left, ...
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37 views

Simple grid over geographic coordinates

I wanted to build a simple grid over the earth's surface. I need this functionality for a computer program where I quickly need to check wheter a given coordinate in (latitude, longitude) is inside a ...
4
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1answer
39 views

Modify the format of grid coordinates

I am producing maps using OSGB references. However, I am using a 500m square grid, not 1km square. I would like to show the grid reference in a 3 digit format, the final digit being in a smaller font ...
5
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1answer
43 views

Frame and coordinates disappear when printing in QGIS

I'm trying to print my map in QGIS 3.18.0 including a zebra frame. It looks great in the Print layout but when I print it, the zebra frame and coordinates are not there. Is there a setting or ...
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13 views

Enabling a grid overlay in QGIS Georeferencer

Is there any way on enabling on QGIS Georeferencer a temporary grid overlay? I am having a very hard time georeferencing several map images that only have coordinate crosshairs at the edges of the ...
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1answer
47 views

Grid UTM coodinates in Google Earth Engine [closed]

I am trying to use GEE to make maps intended for use on trails with compasses. I have already managed to place the contour lines but I couldn't put the grids with UTM coordinates.
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2answers
30 views

Regression Analysis with single value as predictor and grid as dependant variable

I'd like to perform a regression analysis in QGIS. Let's say for example that I have 3 grids as my dependent variable and 3 single values as my predictor. That is, for a single value of the predictor ...
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2answers
29 views

QGIS: Custom formatting coordinate grid to reduce number of decimals

I am making a coordinate grid system of a map I have made, but now I would like to reduce the number of decimals of the seconds (of the latitude and longitude). So instead of 36°54'0.000"E -> ...
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28 views

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 ...
9
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1answer
74 views

Creating grid in QGIS 'anchored' to specific point

I need to create grids using QGIS with specific intervals 'anchored' to, or beginning at, a specific UTM coordinate. This is for a survey sampling procedure. For example: a point was determined - UTM ...
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0answers
42 views

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 ...
3
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2answers
70 views

QGIS coordinates not displaying correctly

Making my first Print in QGIS, and for some reason the coordinates are all over the place (see image). Does anyone know what would be causing this? All of my settings seem quite standard, I will post ...
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1answer
60 views

How to create a grid to do kriging interpolation that correspond to areas in a map having actual observations?

I need to do kriging interpolation but wanted to have the interpolation in areas where I have actual data; not across the whole map. This is my example. Here is the base map (shp file in a .zip file): ...
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0answers
23 views

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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0answers
33 views

Drawing the right coordinates in my grid in QGIS [duplicate]

I'm trying to put the numbers of system of coordinate in my map using WGS84/18S. All my shapes are in that projection and I'm using units of the map around 1500 point in "x" and "y"...
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1answer
44 views

Can't create grid cell with specific cell area

So I need to create a cell grid with 1km2 for each cell. Since the default WGS84 uses degrees and not meters/kilometers for unit of measurement, I tried to change the projection for one that use ...
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0answers
40 views

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 ...
0
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1answer
36 views

Determining area size of grid (reference grid) in ArcMap [closed]

How do I determine the area size (square kilometres) of a customised reference grid in ArcMap 10.7? I have tried Data Driven Pages and it is not working for me. The idea is to know the area size of ...
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2answers
61 views

Setting the coordinates in a QGIS layout right

Apparently the coordinates of my map are false. They are supposed to be something around 53°N/ 12° E. I am using a WMS Layer. How do I get the coordinates right?
1
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1answer
38 views

How to get rid of the transformation grid in st_transform?

I use the last versions of R -4.0.3- and sf -0.9.6- (thus relying on PROJ version 6.3.1). I want to transform a layer from one system of coordinates (EPSG:27572) to another (EPSG:2154). This can be ...
3
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1answer
348 views

Adding graticules to Folium map [closed]

Are there any chances to add grid on Folium map? Something like on this picture.
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0answers
8 views

How to choose cell size for grid points to fill polygons in R?

I have a shapefile consisting of hundreds of polygons depicting building footprints in a city. I want to fill these polygons with grid points. I am doing this by making a grid of points and then ...
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0answers
13 views

Adding X and Y text as pre string to Grid Label Tags using Dynamic Text - ArcPro

Is there any text command to add the "X" and "Y" value when creating Grid Label Tags in ArcPro with Dynamic text? By using the following I can tag correctly except for the X and Y ...
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0answers
70 views

Projection issue causing clipping issue in R, different proj4 strings

I am trying to clip a grid of points to a vector polygon layer in R, but am encountering an odd error I can't figure out. The goal is to get a new layer that has the grid points, but only as clusters ...
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0answers
42 views

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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1answer
102 views

0…0.kriging error messages, grid file problem ? (automap, gstat)

I am trying to conduct kriging of variable called percent in South Africa. head(LL12) Location Longitude Latitude percent 1 L1 16.48476 -28.60737 1.0000000 2 L3 16....
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1answer
44 views

Is it possible to convert the USNG grid to a perfect square 10mx10m fishnet at CONUS scale?

I realize this is a ridiculous question, so please forgive in advance. Would it be possible to generate a 10m x 10m grid at CONUS scale, without any non-square polygons at the Grid Zone Junctions (...
2
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1answer
69 views

Intersecting large shapefiles onto a grid in QGIS

I have 21 separate shapefiles containing data for Ireland as various polygons on QGIS 3.10. I'm trying to intersect each shapefile onto a 250m² grid of Ireland so that I'll have 21 separate shapefiles ...
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0answers
39 views

Is there a QGIS plugin to drop pins on a repeating pattern in a raster?

I'm looking for a QGIS plugin that drops pins on a repeating pattern in an imperfect raster grid, for example a satellite image. Ideally, one would select a polygon to drop within, a raster, give it ...
2
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3answers
311 views

Adding meridians and parallels on world map in QGIS

I'm working on a world map in which I'm using as overlapped layers Bing Aerial, The natural Earth Vector (from natural earth data.com), and also a NASA night view because it's just nice! I would like ...
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0answers
21 views

Using python to export map with grids? [duplicate]

I am new to Python and I am using the Python console in QGIS 3.10 to make the coordinate grid on a vector layer. I had lots of vector files which are basically square shaped of 500 meters but all are ...
3
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1answer
211 views

Creating grid annotations in QGIS

How to make grid annotations like shown below in QGIS (v3.x)? Sequential alphanumeric characters in the centre of grid lines. These are widely used in tourist maps.
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0answers
92 views

Use PyQGIS to make grid on a vector file

I am new to Python and I am using the Python console in QGIS 3.10 to make the coordinate grid on a vector layer. I had lots of vector files which are basically square shaped of 500 meters but all are ...
0
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0answers
37 views

MapComposer not found Error

I was working on an example provided in the pyqgis developer cookbook and performed the code in the QGIS version 2.8.9 but i am getting the following error: ImportError: No module named MapComposer ...
1
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2answers
58 views

Make numbered grid overlay with different colours showing the frequency of data in QGIS [closed]

I would like to create a grid overlay. Each grid cell should be numbered and showing frequency of some data using different colours. The grid is over a shapefile of an area.
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0answers
18 views

Drawing appropriately coordinate grids [duplicate]

I am having an issue while trying to show the coordinates in the print layout in QGIS. While the coordinate format is in decimal and suffix, it is ok. I need the format in degree, minutes, and suffix....
0
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1answer
217 views

Create grid of lat long in polygon at 1 km

I want all hotel list in that polygon, so I am using the Google Place API to fetch hotel info. But Google Place gives only 60 records limit, so thought to get all lat long with 1 km distance in that ...
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0answers
79 views

Exporting grid vector from QGIS to KML gives wrong coordinates

A grid vector was created over the map layer (EPSG:32636) and saved as with CSR EPSG:32636. Then when I export it as KML, it the grid appears in a different country (Congo rather than Lebanon). I ...
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0answers
76 views

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 ...
4
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1answer
67 views

Identifying grid system in Canada

I'm trying to identify this grid system that consists of two letter followed by two numbers. If it helps I know GU37 is defined by the following vertices: Lat (North) Lng (West) 1 48° 30' 00"...
1
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1answer
167 views

Which of XYZM-coordinates match the result of grids algorithm in QGIS? [closed]

When you create a grid in QGIS, in the attribute table for each square, you have a corresponding column left, right, top, bottom in coordinates. Which of these four correspond to the X, Y, Z, M ...
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2answers
89 views

Universal grid 5X5 km

I'm looking for a universal world grid of 5X5 km or 10X10 kms. Is there any known reference in place? And is it possible to get the data ?
2
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1answer
37 views

QGIS not providing accurate grid lines on exported map

When I apply a grid to my map in the QGIS 'Layout Manager', the grid lines seem to begin from 0.00000 on the x/y axes, opposed to the accurate grid coords. As seen here in my exported map: Here are ...
0
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1answer
117 views

Calculating Grid Convergence

When ESRI tool "Calculate Grid Convergence Angle (Cartography)" is used to calculate line bearing or azimuth, is the bearing referenced to True North or Grid North?
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0answers
17 views

Extracting number and attributes of points in a GRID in ArcGIS

I will be thankful if someone can help in extracting the number of points with attributes using the grids. For example I want to know number of species points in a grid with attributes. I have ArcGIS ...
0
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1answer
43 views

How to delete groups of grid files based on pixel cluster size (under 10)?

I am new to QGIS, and I am currently using flood modeller to produce a series of surface water maps. Once the data is ran, I get a series of 10m2 grid tiles with varying Z flood Values. We are only ...
3
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1answer
257 views

Raster brick from raster masks by sectors (R)

The goal is to divide a raster file into quadrants in order to make some computation in each. I'd like to split the raster and create a raster brick with those parts. I don't need to get perfect clips ...
0
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0answers
236 views

How to convert grd files to GeoTIFF files?

I have a .grd annual daily gridded rainfall data file and a control file of the same and want to extract monthly values from the file in GeoTIFF format using grads. I am new to programming so please ...
1
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1answer
35 views

Save MapContent issue with latitude/longitude lines

All labels for longitude lines at bottom and latitude lines on left and right of the map look fine when viewed in JFrame like the one used in https://docs.geotools.org/latest/userguide/tutorial/...
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1answer
52 views

Adding Grids in Project Manager of QGIS

I am using QGIS 3.12. I am new to QGIS after having worked with ArcGIS Desktop for a while. I am having issues with adding a grid to my project. I am using CRS ESPG:3587 WGS 84 / Pseudo-Mercator and ...

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