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Questions tagged [intersection]

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.

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Check if two lines are intersecting? (if so, not where so)

I saw this asked but I couldn't understand the answers! I got 4 vector2s, P1 & P2 for line 1, P3 & P4 for line 2. Code for intersection position works, but how do I check if that intersection is happening? More specifically, I want to check what…
weg
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How to display the intersection points of y axis?

library(data.table) library(survival) library(survminer) library(dcurves) I have df as follows structure(list(PatientID = c(1001L, 1002L, 1003L, 1004L, 1006L, 1014L, 1015L, 1016L, 1018L, 1022L, 1024L, 1032L, 1040L, 1042L, 1049L, 1056L, 1059L,…
user2110417
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GeoPandas overlay is returning an empty geodataframe when there should be an intersection

I am attempting to overlay and find the intersection between two geodataframes but the result is an empty geodataframe when there should be several intersections. The two geodataframes should be in the same projection. Here are the two individually…
mrmcbreakfast
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How to check if two polygons from geopositions touch or overlap on python?

I would like to check if two polygons built from coordinates touch or overlap. The following example should touch (they came from a simulation), however, the code doesn't detect they touch, hence, crash. Any clue? import geopy import…
GoT GOt
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Frozenset Intersection with Wildcards

I'm trying to intersect frozensets in Python, but not getting the desired result. My intersection array, LCC, has 100s of strings. LCC = ['A','E...'] fs1 = frozenset('A') fs2 = frozenset('E830') fs1.intersection(LCC) fs2.intersection(LCC) The…
resonance
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Python intersection test on multiple polygons in nested for loop results in only one MultiLinestring, when expecting multiple outputs

baby programmer here so apologies if this is a simple fix, however I am running a test to see where multiple polygons and multipolygons intersect, using two identical lists to loop through the whole dataset. The dataset is a geoseries of length 200,…
wodseaur
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intersection and union set between two lists base on data frame

a = {'A' : [1,2,3,4], 'B' : [[1,4,5,6],[2,3,6],[4,5,6]], 'C' : [[1,4,6],[3,5],[4,10],[10]] } Base on dataframes: How to find the intersection and union set between column B and C? the output like that: A B C intersect …
ice-coconut
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intersection of one vector of set

i have a vector of set and i want to do compare to get intersection of all these sets #include #include #include #include #include using namespace std; int main() { …
Î DRØĮD
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unity intersection shader that blocks the area behind it

similar to this question Unity Intersections Mask, but I also want some objects to be able to block the areas behind them, so the circle would ideally block the rendering of objects behind it in the plane. I am thinking I can assign a slightly…
r_d26
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How can I use intersection function for multiple polygon shapefiles using loop?

I want to identify the clinics (csv file with longitude & latitude information and clinic ID) under the wildfire smoke polygon (shapefile) which is available at daily level from 2005 to 2019. I could identify the clinics with a single wildfire smoke…
H Song
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Intersection of Two Lists in Python

Is there a way I can calculate the Intersection of two lists that have duplicates in them. For example. list1=[1,2,3,4,4,4,5] list2=[4,4,5,5,6] result would be: [4,4,5] I tried the intersection() function in pandas but that uses sets not lists
Louis Lalas
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Find position and normal of plane tangental to the intersection of 2 spheres

Given a set of 2 spheres, how can one find the plane tangental to the intersection point of the spheres? Suppose I have the following input Vector3 sphere1 = new Vector3(8, 6, 2); float radius1 = 5f; Vector3 sphere2 = new Vector3(5, 3, 8); float…
Tea-F-Tea
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Polynomial-time solution for finding intersection of two REs, which output the intersection in RE(can be approximate)

There is a way to find intersection of REs : First convert REs to DFAs, and then define a DFA represents intersection of REs. By converting the defined DFA to RE we can get the RE which represents intersection of REs. However the algorithm is…
xiaoyao
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i have a problem with intersects bouncing balls in java

I am making bouncing balls, there are icons on the labels in the codes. When I multiply the variables 'hizx','hizx2','hizx3' by -1, they only hop on the x-axis. If I write the variables 'hizy', 'hizy2', 'hizy3' in the comment line as I did, the…
fantazsizt
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Find the position of a point on a circle so it has a given distance to a point on another circle

I have a point on a half circle that needs a line connecting it to the black half circle. The line goes through the origin of the orange circle (perpendicular). When moving along the upper circle, the length of the line changes. Is there a way to…
Frederik Steinmetz
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