Questions tagged [grids-graticules]

Grids and Graticules include reference grids, measured grids and graticules

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17 views

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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1answer
73 views

"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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1answer
72 views
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27 views

Create grid from points which are centroids using ArcGIS

I have a point feature class and I need to create polygon grid, in which the points are centroids of the grid "boxes". I am using ArcGIS (ArcMap or ArcGIS Pro, it does not matter). Any ideas?...
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1answer
34 views

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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2answers
99 views

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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14 views

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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30 views

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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35 views

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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25 views

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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31 views

QGIS grid SRS latitude longitude problem [duplicate]

I'm having an issue on my beginners GIS course. I'm having a problem with the grid when I try and create a map on QGIS. The SRS appears to be fine everywhere until it comes to displaying the grid. I ...
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16 views

How to create a raster containing attribute frequency from a multipolygon shapefile using a set grid in ARC Pro (or r studio)?

I have a multipolygon shapefile of species distributions containing data in the attribute table on the threats each species face according to the IUCN threat categories. The distributions of some ...
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2answers
134 views

Calculating average data of neighbour grids based on location and returning data to grid in QGIS

I have generated a grid layer from a vector layer in QGIS, and merged the point attribute into the grid layer by "joint by location". I now need to: calculate the average of some ...
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1answer
50 views

Linear regression analysis in R [closed]

I would like to conduct a simple linear regression analysis in R with two grids. So I have two Raster images of the same region and I need to do a regression analysis, but I struggle with doing that. ...
3
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1answer
176 views

Create polygon grid based on spatial points (WGS84) with R

Initial problem: I am currently trying to create a spatial grid in which each cell is centered on predefined spatial points. These spatial points are projected in the WGS84 international coordinate ...
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61 views

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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2answers
121 views

Divide grid in smaller grid QGIS 3.16

I have a grid of 1000x1000m (which covers a whole department) and I would like to redivide this same grid again but to 500x500 m, so to obtain in a 1000mx1000m cell, 4 small 500m cells. I would have ...
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14 views

How can I create an indexed grid from a WMS service, with each element being the same size in pixels (512x512 for ex)

I understand how to make a fishnet-type grid (Vector->Research Tools->Create Grid), but this has definition via degrees, resulting in varying element sizes. I further can't see a way to index ...
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1answer
29 views

ArcMap 10.5 graticule incorrectly displays positive long tick labels

In ArcMap 10.5 I created a map of my study site and added a graticule. I realized that the longitude tick labels are missing the "-" sign e.g., displayed label 79°19'W should actually be -79°...
2
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1answer
43 views

Map grid not appearing

I'm trying to create a map image with a coordinate grid. I have not been able to get a grid to appear that displays according to my CSR. I have used this a couple of guides: https://geoafrikana.com/...
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41 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
46 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
50 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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15 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
185 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
42 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
37 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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0answers
40 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
90 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
47 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
102 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 ...
2
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1answer
164 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): ...
4
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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
49 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
47 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
37 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
71 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?
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1answer
45 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 ...
4
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1answer
568 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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10 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
104 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
78 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
154 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 (...
3
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1answer
136 views

Intersecting large shapefiles onto 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
41 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
442 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 ...
4
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1answer
358 views

Creating grid annotations (reference grid) using QGIS

How do I 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 and are sometimes refered to as ...

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