I\'m using Tkinter in Python, 开发者_Python百科and trying to create code to run when a text box\'s value is changed. All the code I find online uses a mysterious tk member of Tkinter widgets, and I ca
It seems that nothing changes on开发者_JAVA百科 a jpg file after running the SIFT demo program here http://www.cs.ubc.ca/~lowe/keypoints/. Does anyone know how it works?
I\'m looking to do a \"selective blur\" or \"surface blur\" on the GPU. I\'ve read some research papers on the s开发者_运维问答ubject, and seen a good deal of C code, but ideally I\'d like something i
Almost every time when I work on graphical applications I found that I have to apply an algorithm that I wrote in the past or found on the net that fit conceptually perfectly in what I need, but diffe
If I have a matrix from scale, translate, and rotation transform. I want to split 开发者_高级运维this matrix to two matrix. One is rotation+translation matrix, the other is scale matrix.
The API from Java seems to indicate that it is possible to have a GraphicsEnvironment that is running in a separate machine:
Given an arbitrary 3D mesh, I\'m looking for an algorithm that would perform hidden-line removal in real-time. I\'m working in the context of OpenGL, which means that we can take advantage of the Z-Bu
Considering : preferred ={{1, 1, 63}, {2, 1, 44}, {3, 1, 27}, {4, 1, 33}, {5, 1, 33}} frmWidth=20.9067;
I\'m trying to use Raphaël JS library. I just want to have some circles and change their color when user clicks on them. But I cannot understand why my code doesn\'t work. What\'s wrong with it?
In Android, I need to be able to draw simple graphics (points, lines, circles, text) on a large scrollable canvas (i.e the phone\'s screen is a viewport in a much larger area). I have hunted for tutor
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