Top "Graphics" questions

What Are High-Pass and Low-Pass Filters?

Graphics and audio editing and processing software often contain functions called "High-Pass Filter" and "Low-Pass Filter". Exactly what do these …

algorithm graphics audio photoshop signal-processing

Convert string to Brushes/Brush color name in C#

I have a configuration file where a developer can specify a text color by passing in a string: <text …

c# .net graphics colors brush

What are Vertex and Pixel shaders?

What are Vertex and Pixel shaders? What is the difference between them? Which one is the best?

graphics shader terminology

Using method -canvas.drawBitmap(bitmap, src, dst, paint)

Everytime I use this code nothing is drawn. I need to draw a bitmap inside of a specified rectangle. canvas.…

android graphics bitmap android-canvas

How to change current Plot Window Size (in R)

For example. Assume I do: dev.new(width=5, height=4) plot(1:20) And now I wish to do plot(1:40) But I want …

graphics r window plot base

How to speed up python's 'turtle' function and stop it freezing at the end

I have written a turtle program in python, but there are two problems. It goes way too slow for larger …

python graphics draw turtle-graphics

fast algorithm for drawing filled circles?

I am using Bresenham's circle algorithm for fast circle drawing. However, I also want to (at the request of the …

c algorithm graphics geometry

Specify Width and Height of Plot

I have a panel containing three plots. How can I use par to specify the width and height of the …

graphics r par

Fatal error: Call to undefined function: imagecreate()

I'm trying to put some graphics on a web page and at my prototype at the computer it's all working …

php graphics

How to label histogram bars with data values or percents in R

I'd like to label each bar of a histogram with either the number of counts in that bin or the …

r graphics histogram