Top "Point" questions

Convert Pixels to Points

I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but …

c# .net pixel point

How can I label points in this scatterplot?

Can you help me on putting labels on the following graph? The code i use is: valbanks<-scan("banks.…

r label point scatter-plot

Pointtype command for gnuplot

I'm having trouble using the pointtype command on gnuplot. I've tried several ways such as: set pt 5 set pointtype 5 plot " " …

types gnuplot point pt

Java: Calculating the angle between two points in degrees

I need to calculate the angle in degrees between two points for my own Point class, Point a shall be …

java point angle degrees

What is the fastest way to find the "visual" center of an irregularly shaped polygon?

I need to find a point that is a visual center of an irregularly shaped polygon. By visual center, I …

polygon point

Control point border thickness in ggplot

When using ggplot, I can set shape to 21-25 to get shapes that have independent setting for the internal (fill) …

r ggplot2 border point thickness

Checking if a point is inside a polygon

I have a class describing a Point (has 2 coordinates x and y) and a class describing a Polygon which has …

python geometry polygon point

Mouse / Canvas X, Y to Three.js World X, Y, Z

I've searched around for an example that matches my use case but cannot find one. I'm trying to convert screen …

three.js point projection mouse-coordinates

R draw (abline + lm) line-of-best-fit through arbitrary point

I am trying to draw a least squares regression line using abline(lm(...)) that is also forced to pass through …

r plot line point least-squares

Quadratic Bézier Curve: Calculate Points

I'd like to calculate a point on a quadratic curve. To use it with the canvas element of HTML5. When …

math point curve quadratic