Top "Point" questions

A point is a fundamental geometry entity.

SQL Geography point inside polygon not returning true on STIntersect (but returns true using Geometry)

I don't want to resort in converting my geography data to geometry just so it returns true in STIntersect. Here …

sql geometry polygon point geography
Point and ellipse (rotated) position test: algorithm

How to test if a point P = [xp,yp] is inside/outside some rotated ellipse given by the centre C=[…

algorithm testing position point ellipse
Comma and (decimal) point: Do they need different handling?

Just something that i was wondering about. In Europe the comma us mostly used for decimals (like 20,001) but outside Europe …

c# point comma
mongodb check if point is in polygon

mongo 2.6 I have some amount of stored polygons. And I have a point. I what to know if this point …

mongodb polygon point mongodb-query
c# - how to move point a given distance d (and get a new coordinates)

Hi I was wondering if there is any efficent way to calculating coordinates of point (which was moved distance d …

c# geometry 2d point
Why is the ELF execution entry point virtual address of the form 0x80xxxxx and not zero 0x0?

When executed, program will start running from virtual address 0x80482c0. This address doesn't point to our main() procedure, but …

point elf virtual-address-space
Test if point is in some rectangle

I have a large collection of rectangles, all of the same size. I am generating random points that should not …

python algorithm point
Javascript: rect.contains(point)

I like to see if mouseclick is in a rectangle area (in canvas). In C# i would do this. var …

javascript point rect
mysql query points within polygon - no results

I'm pretty sure that I'm doing multiple things wrong here but I'm not sure what... The table (minus a few …

mysql polygon point
What is an appropriate `GetHashCode()` algorithm for a 2D point struct (avoiding clashes)

Consider the following code: struct Vec2 : IEquatable<Vec2> { double X,Y; public bool Equals(Vec2 other) { return X.…

c# hashcode point