Intersection is a term that relates to descriptive geometry and functions. Intersections are points which are included in multiple objects. They are intersections of the object they belong to.
Questions tagged [intersection]
2483 questions
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Python: most efficient way to handle set intersection
Suppose I have NUM_OBJ particles moving around, I know their trajectory at every instant in time, and I want to know when two particles are closer than a THRESHOLD_DISTANCE. This problem is also known as all vs all conjunction screening, and when…

Babababa31
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intersections between volumetric mesh and planes in cgal
I need to intersect a volumetric mesh (several tetrahedrons) with planes, what is the best way to do this?
I search for aabb trees but I dont know how to implement with volumetric meshs
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Python script to check if ellipse and rectangle intersect
I need a python script to check if ellipse and rectangle intersect. If they intersect plot the ellipse in green color else plot in red color.
I am using matplotlib's path.intersects_bbox and path.intersects_path methods to check if two figures…

Karthik
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How to calculate the point of intersection of three circles with their varying riaos in python
I am creating a radar for loud sounds, which aims to monitor the production of noise that may be harmful to specific regions of a city.
To carry out this project, I developed an arduino prototype, which has three microphones and a camera.
Basically,…
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Highlight polygons that share a side/edge
How do I create a... ---I don't know; list, dict of all the polygons, in a GeoDataFrame, that share a side/edge. The polygons will intersect but never cross.
import geopandas as gpd
from shapely.geometry import Polygon
import matplotlib.pyplot as…

arkriger
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Intersecting polyline with polygon in QGIS / postGIS (split line at polygon boundary)
I have two datasets (currently in geopackage files) but also have them in a PostGIS database.
1 polyline with about 1 million records
1 polygon with about 50,000 polygons
I want to intersect the lines with the polygons, so as to attribute the lines…

threeisles
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How to determine the 3d shape formed by intersecting planes
Question
How can I optimally get the list of vertices for the 3d shape (a convex hull) formed by a set of intersecting planes in 3d space that contains all feasible solutions. Assuming that a 3d shape is formed by the intersection of the planes?
Is…
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How to connect random points inside a non-convex polygon, without intersecting with the polygon boundaries, in java
I am using code from How to get a random point on the interior of an irregular polygon? slightly modified in order to draw a random path2D by connecting random points together one after the other inside a polygon Shape. The problem is when the Shape…

jazznbass
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Splitting overlapping feature collections
I have two global extent feature collections: country borders and biomes. I would like to create features for each unique combination of a country and its biome. (Note: I have my own biomes asset uploaded which came from doing a union of…

Vivian Griffey
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How to stop parallax scrolling when at the top of viewport
I have a mountain parallax scene with four images within a container that parallax scroll when the container is visible within the viewport at the bottom of the screen. The animation works but the parallax starts to reverse when the container begins…

Breon
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How to find the largest intersection among multiple subsets (most common element in n out of k sets)?
Just an example:
set_0={0,3,4}
set_1={1,3,4}
set_2={1,5,23,8,24}
set_4={1,2,6,10}
set_5={1,60,34,2}
set_6={1,45,32,4}
set_7={1,6,9,14}
set_8={1,56,3,23}
set_9={1,34,23,3}
all_intersection=set.intersection(set_0,set_1,set_2,set_3,set_4, set_5, set_6,…

Caterina
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Intersection query with Lucene
With Zned Lucene, when i search for field1:value1, I have 1000 hits returned.
When I search for field2:value2, I have 0 hits returned.
And when i search for field1:value1 AND field2:value2, I have 1000 hits returned, but I'd rather like to have 0…

Menencia
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Handle overlapping lines in intersection of 2 lines
This python code finds the intersection for lines and I have modified it for handling colinear lines so it returns the intersection of 2 lines when they are collinear.
How to handle cases when they are overlapping in that case it should not return…

amit
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How to speed up the computation of the intersections between each pair of sets for a large number of pairs
I have the following dataframe:
> str(database)
'data.frame': 8547287 obs. of 4 variables:
$ cited_id : num 4.06e+08 5.41e+07 5.31e+07 5.04e+07 3.79e+08 ...
$ cited_pub_year : num 2014 1989 2002 2002 2015 ...
$ citing_id : num …

Mark
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a List item with more than one text field in python
Let's say you have a Python list of automobile manufactures as such:
['Nissan', 'Honda', 'Rolls Royce', 'Ford', 'Kia', ''Land Rover']}
The user enters a sentence as such:
I drive a Rolls Royce, a Ford, and a Land Rover.
The program is supposed to…

Scott Bing
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