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Results tagged with polygon
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user 144769
On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.
0
votes
Cut out parts of raster using polygons
You can use the Clip Raster by Mask Layer tool. Checkout this walkthrough.
- 1,390
1
vote
Accepted
Intersect a set polygons/multi-polygons at once and get the intersected polygon
shapely when using python 3.10
import geopandas
file = geopandas.read_file("C:/Users/user/Desktop/all_multi.shp")
# Set initials
intersect_list = []
uniq = []
any_intersect = []
# Loop unitil only one polygon …
- 1,390
0
votes
How to surround a Polygon object with a corridor of specified width?
For users looking for a non-programmatic answer:
You could use QGIS, buffer your polygon and then use difference. …
- 1,390
2
votes
Accepted
Using geocube in Python to rasterize each polygon in shapefile
Added str(i) to your saving section to save the next polygon that is selected through your for loop.
import geopandas as gpd
from geocube.api.core import make_geocube
polygons = gpd.read_file('testing.shp …
- 1,390
3
votes
Getting the bounding box for each feature in the source layer in QGIS
shapefile.Writer(shp_dir + str(save_name) + '.shp')
w.field("name", "C") # pyshp needs at least one field
w.poly([[lower_left, lower_right, upper_right, upper_left]]) # generate bbox polygon …
- 1,390
3
votes
1
answer
688
views
"Join Attributes by location (summary)" only with more than 50% of overlapping area
I would prefer that only the bottom polygon is orange because it contains the majority of the green feature.
Any ideas? …
- 1,390
2
votes
1
answer
108
views
Join Attribute by location (Summary) not capturing all inputs
I created a 0.1 acre hexagonal grid and am trying to produce a heat map based on the respective polygon area that are found within a hexagon. … Finally, image 7 and image 8 show a hexagon that does contain a polygon, but is not captured when running the Join Attribute by location (Summary) tool. Is there something that I am missing? …
- 1,390
1
vote
2
answers
224
views
QGIS Draw Polygon Exact Dimension
I am wondering if there is a way to show an area of a polygon as you draw it. I trying to create a perfect 1 acre polygon, but the polygon could have 1-20 sides. …
- 1,390
3
votes
1
answer
434
views
Remove polygons that do not fall completely inside overlay layer within the clip function
I have two polygons: 1) successfulheights and 2) clipArea. I have used the clip function to remove the unwanted successfulheights. Though, there are features that have been clipped in half and those a …
- 1,390
1
vote
1
answer
58
views
Finding"NoData" area/percentage using ArcGIS Desktop?
I was recommended to convert my raster to a polygon, but I continue to get a general error message, One of more dropped items were invalid and will not be added to the control. … I thought this error had to do with having multiple values for one cell (RGB), so I converted it to a single band grey scale using the following method: Convert raster to polygon. …
- 1,390
1
vote
Accepted
Deleting polygon defined area from multi band raster layer in ArcGIS Desktop?
Created/had a shapefile of the area proposed
Erased the Cloud/Shadow polygons with the above shapefile
Clipped the RGB raster with the new erased shapefile
- 1,390
1
vote
2
answers
439
views
Deleting polygon defined area from multi band raster layer in ArcGIS Desktop?
This is a similar question to Deleting polygon defined area from raster layer in ArcGIS Desktop?, but I need the answer to be able to apply to multi bands since I am working with a RGB file. … I I want to use arcmap to remove the polygon clouds from my original landsat image (SAGA is too slow and crashes constantly). …
- 1,390