All Questions
Tagged with grids-graticules shapefile
12 questions
2
votes
1
answer
84
views
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 ...
- 21
1
vote
0
answers
451
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 ...
- 491
2
votes
1
answer
1k
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Setting up lat/long graticule with 1 min output in QGIS?
I would like to set up a lat/long graticule in QGIS with output being a line shapefile with values in Degrees and Minutes, and grid lines shown at every even 1 minute (e.g. 13°23' W, 13°24' W, 13°25' ...
- 21
3
votes
0
answers
2k
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Creating fishnet using Python? [duplicate]
I am trying to create a fishnet of x by x miles for all USA, same as this basically:
http://www.giscourse.com/creating-a-fishnet-grid-using-arcgis-10/
However, I want to do this with python.
My ...
- 139
1
vote
2
answers
2k
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Create triangles from points on ArcGIS
I'm using ArcGIS 10.3.
I need to create a grid where all the points are vertexes of triangles that do not overlap themselves.
I want this to be done by only using the points location, no elevation ...
- 11
0
votes
2
answers
500
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USA national grid shapefiles
Where can I find shapefiles for 1kmx1km grid (UTM grid) for the entire USA? It seems everywhere that I looked at there were shapefiles for states separately or for some particular UTM zones. I don't ...
4
votes
1
answer
759
views
Import grid text file to shapefile in QGIS
I'm working with the Climate Change forecasts from the Hadley Center Climate Model (HADCM3) available here: http://www.ipcc-data.org/sres/hadcm3_download.html
They have many different forecasts and ...
- 307
3
votes
1
answer
1k
views
Define cellsize from spsample in meters
I use a shapefile to create a regular grid using spsample, from sp package.
Two problems here: (1) I would like to define the size of my grid cells in meters, but I've checked the documentation of sp ...
- 1,277
3
votes
2
answers
240
views
Add information from a cvs/text file to a raster shapefile based on latitude and longitude information
I have an empty raster shapefile that only contains the latitude and the longitude of the centroids of each grid.
I now want to add an extra variable to each grid cell coming from a cvs or txt file. ...
- 79
5
votes
2
answers
2k
views
Divide grid in smaller cells
My dataset: a shapefile containing squares of 1km size. It's huge, this is just a sample:
My aim: divide each cell so that the end result would be the same grid with 500m each cell. Something like ...
- 497
2
votes
2
answers
3k
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Are British National Grid (BNG) 1km grid shapefiles displayed accurately in ArcMap?
I have downloaded the UK Ordinance Survey's 1km grids in shapefile format for ArcMap.
If you need to download them to have a look first you can find them here look for link in the first Answer to the ...
- 21
8
votes
3
answers
8k
views
Generating shapefile containing UTM grid (graticule)?
I'm looking for a shapefile containing an 1000m or 2000m UTM grid ("graticule"). All I was about to find on the web is a 10000m UTM grid (here: http://en.giswiki.net/wiki/UTM) and I am aware that a ...
- 890