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Questions tagged [vector-grid]

Use for questions about vector grids which are also known as fishnets. For questions about the Leaflet Plugin please use the tag "vector-tiles"

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2 votes
1 answer
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Creating smaller equal sized and orientied polygons in existing grid polygons

I have a grid of large polygons that I would like to split into 16 equal sized polygons of dimension ~402.33 m x ~402.33 m (Picture 1). The epsg is 26910. The script written does that, however, the ...
MJM's user avatar
  • 995
1 vote
1 answer
45 views

How to create the fishnet grid in GEE using JS code editor?

I want to create a 10*10 pixel size grid for my AOI. 1 pixel = 10m var cellSize = 100; // Size of each grid cell // Get the bounds of the AOI var bounds = aoi.geometry().bounds().coordinates().get(0)...
Abinash Silwal's user avatar
0 votes
0 answers
27 views

I want to assign numeric values to grid squares from the 50m by 50m fishnet grid I created based on the wind installed capacity in a 20km of a point

I am working in QGIS while writing code in Pycharm. I have to select suitable sites for BESS locations in Germany. Currently I am looking into the state of Saxony-Anhalt. Firstly, I narrowed down on ...
Zeenat Khan's user avatar
1 vote
1 answer
45 views

Counting points in polygons and adjacent polygons

I would like to sum up the amount of points in a polygon and in surrounding polygons adding certain weights. Step 1. Here an example with one point: where the point is contained the weight should be ...
Anna's user avatar
  • 19
0 votes
1 answer
66 views

Creating a vineyard map with QGIS

I'm trying to plot dots (the vines) in an irregularly shaped polygon. they are in parallel rows spaced 1.4 m apart and the vines are spaced 1.2 m apart. The rows are at a 45º angle from N. I tried to ...
Sophie Bernstein's user avatar
1 vote
1 answer
69 views

Converting geography x, y values from vector tiles data to lat long in Leaflet

I am using the following map for India (https://data.maptiler.com/downloads/tileset/osm/asia/india/) and serving it via a server to send pbf files. The map shape is rendering correctly, and I want to ...
KARTIK TIWARI's user avatar
0 votes
1 answer
58 views

Create grid function makes QGIS crash

I am working with CSV point data set in QGIS. I have a world data set and I want to make a grid over it then to count the number of points per grid. But while executing the create grid function, QGIS ...
SA_417's user avatar
  • 11
1 vote
1 answer
78 views

Creating grid left to right not top to bottom

I'm fairly new to QGIS having used mainly ArcMap and ArcGIS Pro to do things. I'm trying to create a grid and label A1, A2 A3...B1, B2 and so on. I've created the grid ok and worked out the labelling ...
Beejay's user avatar
  • 11
0 votes
1 answer
27 views

Calculating group area percentages in ArcGIS Pro using Summarize Within

I have a grid (vector file) in ArcGIS Pro, and I want to calculate the percentages of the area of different anthrome types in another vector file (Anthromes 12K DGG Dataverse) for each grid cell. I ...
cloudberry's user avatar
0 votes
1 answer
20 views

Calculating area percentages of another vector file based on vector grid using ArcGIS Pro

I have a grid (vector file) in ArcGIS Pro, and I want to calculate the percentages of the area of different anthrome types in the other vector file (Anthromes 12K DGG Dataverse) for each grid cell. I ...
cloudberry's user avatar
0 votes
0 answers
46 views

Cutting a raster based on a grid (vector file) in ArcGIS Pro, do I first have to convert them to the same coordinate system?

I have a raster file (TIFF) in WGS 1984 and a vector grid file (North America Lambert Conformal Conic). I want to average the value of the raster for each grid cell. I supposed I would first have to ...
cloudberry's user avatar
1 vote
1 answer
65 views

Why is the extent of a "point" grid different from a "polygon (rectangle)" grid in QGIS?

I cannot find an answer to this question, not even in the official QGIS documentation. Here is the problem: First, I delineate a survey area layer (geometry type is polygon): When I create a grid (...
Chavdar Kirilov's user avatar
1 vote
1 answer
49 views

Extracting line coordinates with Leaflet and VectorGrid

I'm using a map display in Leaflet and polylines using Leaflet.VectorGrid. By clicking on a line I want to export the coordinates of this line. var layerGroup12 = L.vectorGrid.slicer( pistes,{ ...
Manard82's user avatar
  • 197
2 votes
1 answer
65 views

QGIS 3.22.4 - Atlas grid generated wrong images with invalid labels

I have two vector layers, one is a GeoJSON (can be downloaded from https://pastes.io/vtlw5surdx) which contains countries with points and their coordinates in WGS84 CRS and one layer is shapefile ...
Bằng Rikimaru's user avatar
0 votes
0 answers
45 views

Create a raster which has a value of 1 for where a class of object is present and a value of 0 when it is not in ArcGIS

I have probably explained this very badly, but basically I have polygons which outline the extent of individual fish farms in a lake. I have created a 1km by 1km fishnet of the area within said lake, ...
Birdman's user avatar
  • 63
1 vote
0 answers
40 views

QGIS Classifications on 10km^2 square grid

I am new to QGIS, and I have a problem that I don't know how to solve: My goal is to have a 10km x 10km square grid of Europe where each cell of the grid is classified by land use. With just a few ...
Philip Schmid's user avatar
0 votes
0 answers
118 views

Polygon grid and raster layer do not align R

I noticed that polygons and raster cells are not perfectly aligned. Why the border of the cells and the colors do not align perfectly? There is a little misalignment (the colors do not change exactly ...
baccione's user avatar
2 votes
2 answers
209 views

Creating vector grid in QGIS for two different polygons without overlapping

In QGIS I have the data for all the continents except Antarctica. Now I want to create a grid of size 1km * 1km for each country however the problem I am running into is that if I take two ...
Arup Chakravorty's user avatar
0 votes
0 answers
71 views

Calculating average of nearest neighbour distance between points in grid

As a novice ArcMap user, I would like to calculate the average of the shortest distances between each point contained in a vector grid. My inputs are two vector layers : a polygon grid and points. The ...
Tom Gloaguen's user avatar
1 vote
1 answer
129 views

Making dot grid in specific arrangement

I need to create dot grids for multiple projects and looking for a way to generate/symbolize them systematically to save time. These grids have a couple rules to them though, and the way QGIS ...
forestGIS's user avatar
  • 313
5 votes
1 answer
256 views

Computing grid cell statistics using LiDAR point cloud in QGIS

I have a LIDAR data .laz file of a DEM and a cell grid vector file. I want to compute grid cell statistics, like mean and variance using the LiDAR data. How can I do this in QGIS?
user1889930's user avatar
2 votes
1 answer
381 views

Download images to Google Cloud Storage using geemap.download_ee_image_tiles

Few days ago I saw on a Linkedin post that download_ee_image_tiles option was added to geemap. I was trying to use it with image I had and a fishnet that I have created before. However, I am not sure ...
ReutKeller's user avatar
  • 2,169
1 vote
1 answer
267 views

Creating fishnet grid in R that sums values of points within grid instead of counts

I am very new to both coding and creating maps in R. Is it possible to create a fishnet grid in R that sums values of points within grid instead of counts? I have a dataset with locations for sewage ...
HopefullyOptimistic's user avatar
2 votes
1 answer
262 views

Generating a coveringGrid clipped by the input geometry

I'm trying to generate a rectangular vector grid from a FeatureCollection using ee.Geometry.Polygon.coveringGrid, and clip it to the borders of the original vector. However, the intersection function ...
eivindhammers's user avatar
1 vote
0 answers
98 views

Processing a huge vector grid creation on QGIS with square grid size of 100m x 100m

As a complete beginner to the world of GIS, I have come across a major roadblock: My goal is to create a grid with 100m * 100m square grid boxes over the total area of Canada and USA. I have managed ...
Arup Chakravorty's user avatar
0 votes
1 answer
169 views

Setting a minimum overlapping area using overlay_intersect in QGIS

I want to use the overlay_intersects function to obtain a new column on a grid layer with 0,1 values. The binary results should come from the eventual overlap between my grid and the Shapefile of a ...
Cristina Marcolin's user avatar
0 votes
0 answers
27 views

Cover area with point clusters bounds

Suppose, I have an area covered with regular grid points. Points have some categorial attribute. I need to cover the area with polygons corresponding to the value of this attribute (it is like bounds ...
PrintScreenSys's user avatar
1 vote
1 answer
25 views

Unexpected Output Using GridIndexFeatures in ArcObjects [closed]

I am using ArcObjects 10.2 to generate grid index features programmatically. I can get the correct output using the built in GUI geoprocessing tools, and with ArcPy. Furthermore, when I copy the ...
amasephy's user avatar
  • 1,234
2 votes
2 answers
988 views

Creating a custom grid on a Folium Map

I am quite new to Python and I need to create a custom grid with a specific spacing on a Folium map for a particular district. I have added the Polygon of district boundary on the folium map. The grid ...
Jawi289p's user avatar
1 vote
0 answers
101 views

Create polygons with fixed size along lines or another polygon

My task is to create layouts for the grey polygon with a rectangle covering multiple parts for the map extend. I then have to calculate the area of they grey polygon within each rectangle. My idea was ...
ibdmn's user avatar
  • 191
0 votes
0 answers
74 views

Creating grid of polygons with set area and minimum width within given extent using ArcGIS Pro

I am trying to create a grid of features WITHIN an extent (such as a county boundary), preferably something four sided like a square, but doesn't necessarily need to be. I'm using ArcGIS Pro at the ...
Noah P's user avatar
  • 59
1 vote
1 answer
41 views

How to to find out what species are in each cell? [duplicate]

I have a polygon layer called grid_trt which consists of about 100 cells. There is a CSV layer as observation, which contains GPS coordinates and some information about 2500 species in the form of 25,...
Sina Kh.'s user avatar
  • 153
1 vote
0 answers
155 views

How to make fully nested grids using sf in R?

I am using st_make_grid() from the sf package to create grids of various resolutions, but I want the smaller one to be perfectly nested within the larger. library(tidyverse) library(sf) library(spdep) ...
Karthik Thrikkadeeri's user avatar
1 vote
0 answers
72 views

Getting total count in each grid cell from multiple point and polygon layers using ArcGIS Pro

I am using ArcGIS Pro 3.1. The multiple point and polygon feature layers are sources of a toxic chemical but from different companies/studies/departments, etc. The grid layer was created with the Grid ...
Hannah's user avatar
  • 11
1 vote
0 answers
71 views

Colouring a particular cell of fishnet grid in ArcMap 10.8

I am using ArcMap10.8 on a Windows laptop. How do I select a specific cell of a fishnet grid and fill it with a colour of my choice? Each cell is labelled with a number. The fishnet grid is overlayed ...
SDG's user avatar
  • 11
1 vote
0 answers
66 views

QGIS - Setting out a grid of points within a predefined area and giving them specific lat/long values

I'm basically re-learning GIS on the job, so forgive me for any inaccurate terminology or methodology etc. I will try to be as clear and concise as possible. I will be collecting the lat/long values ...
LIam's user avatar
  • 11
2 votes
1 answer
511 views

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,...
user8229029's user avatar
2 votes
1 answer
136 views

Calculate grid cells enter/exit timings from overlayed timed route

[QGIS 3.22] I have made something that works, but it seems convoluted and I wonder whether there's a more efficient way. What would you say is the best way of going from a list of waypoints with ...
Joel's user avatar
  • 147
0 votes
0 answers
112 views

Extending vector grid over larger region using ArcGIS Pro

I have a polygon grid (as a shapefile) over a certain portion of the United States. Each cell is 500 square miles, and there is a specific projection, etc associated with the grid. I want to extend ...
user8229029's user avatar
1 vote
1 answer
412 views

Sample points from each feature in a featurecollection (Google Earth Engine)

I created a grid (featurecollection containing various rectangular features) by coveringGrid function, and now I want to sample 10 points within a feature, and for every feature in this ...
yoyo's user avatar
  • 21
1 vote
1 answer
176 views

Dividing an irregular shaped grid pattern

I have a provincial grid used for the legal subdivision of land and need to split each grid cell into four for analysis purpose: https://github.com/matthewmeadows81/grid. The problem lies in the ...
MJM's user avatar
  • 995
2 votes
1 answer
120 views

Count points in a grid

I have a grid that I have created and a path that is there. I want to calculate the number of points each grid has or I want to calculate the number of points each slab or rectangle has.
Aryan Irani's user avatar
1 vote
0 answers
78 views

QGIS 'Packing Problem'?

I have 45 irregular polygons (geographic areas) of various sizes. I need to grid each one into a universal number of same-sized squares/rectangles (same sized within each polygon, not necessarily ...
David J Vaughan's user avatar
2 votes
2 answers
185 views

Remove a set of grids taking into account its overall geometry

I have a bunch of grids (100x100m) and I need to remove some of them considering the linear shape that forms some sets forms. I've blue circled the set of grids I need to remove. What I thought since ...
J.Patordi's user avatar
  • 313
0 votes
1 answer
84 views

ArcPy: Grid Index Features freezing and crashing ArcGIS Pro

I am trying to use the grid index features tool in ArcPy. However when I run it outside of the Python window in ArcGIS Pro, it freezes and crashes. When used within ArcGIS Pro it works fine. I am ...
Amidaz's user avatar
  • 11
1 vote
1 answer
458 views

Field Calculator: @row_number adds the Feature ID + 1 instead of the row-number

I created a grid of hexagons and kept only the hexagons in a circle. In effect many hexagon-ids are missing and the remaining ones start at 1409. I want them to be numbered consecutively in a logic ...
SAM's user avatar
  • 21
8 votes
4 answers
897 views

Importing grid layer from CSV in QGIS

In QGIS, I used the Create grid function to produce a grid. It produces an attribute table that looks something like that : Now, let say I have a CSV file with the same attributes. id left top right ...
Pioupiou's user avatar
  • 183
0 votes
2 answers
185 views

How to fill gaps in point feature dataset - ArcGIS Pro

I have a point feature dataset that contains gaps, as can be seen in the picture below (1). I would like to fill the gaps with additional points with an equal distance (=0.5 meters). What is the most ...
Foeke Boersma's user avatar
-1 votes
1 answer
113 views

How to make the grid polygons assume the inside centroid attributes of another layer QGIS

I have a square grid and I have multiple centroids on another layer. These centroids have many attributes as values. I want for each grid cell to assume the attributes of the centroids inside them. ...
John Silva's user avatar
1 vote
1 answer
133 views

Calculating mean values from raster data within fishnet squares

I am trying to calculate the mean raster values (mean RedTPI) for each of the 9 squares of my fishnet. Here is my workflow and what is going wrong: ^I calculated the layer I am working with by ...
mappingB22's user avatar

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