coordinate-systems

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Native PyGame method for automatically scaling inputs to a surface resolution?

This question is related to this other one. In my program (which uses pygame to draw objects on the video) I have two representation of my world:[详细]

2023-03-22 08:26 分类：问答
WPF Get element at specific coordinates

I haveLabels inside a Canvas, I need to get the开发者_高级运维 label that intersects with coordinates X,Y?[详细]

2023-03-21 21:49 分类：问答
per-fragment lighting coordinate system

I\'m developing an OpenGL 2.1 application using shaders and I\'m having a problem with my per-fragment lighting. The lighting is correct when my scene initial loads, but as I navigate around the scene[详细]

2023-03-19 14:52 分类：问答
How to transform UIView's bounds space like GL space?

I\'m handling UITouch event sourced from UIView. The problem is the coordinates are specified in UIView\'s bounds, left-top corner originated point space. But my GL viewport is defined in left-bottom[详细]

2023-03-16 04:13 分类：问答
Converting screen coordinates to object coordinates OpenGL ES 2.0 on Ipad

I am making an ipad application in OpenGLES 2.0 and I have some objects that I should be able to translate with the touch event. So I need the (x,y,z) object coordinates corresponding to the screen (X[详细]

2023-03-16 02:28 分类：问答
How to convert from one co-ordinate system to another (graphics)

I\'ve been开发者_如何学JAVA having issues with this for a little while now. I feel like I should know this but I can\'t for the life of me remember.[详细]

2023-03-14 15:55 分类：问答
MKMapview Coordinates UTM32

I´m getting coordinates from a JS开发者_开发百科ON feed, I get them in UTM32. Does anyone know how I can convert these into latitudes and longitudes so I can display them in my mapview ?[详细]

2023-03-12 15:55 分类：问答
Effecient way to check if N number of (x,y)coordinates in K number of rectangles

Is there an efficient way to see if N number of (x,y) points are inside K number of rectangles?Right now I am doing a brute force approach and looping through all points and rectangles but its taking[详细]

2023-03-12 05:02 分类：问答
Get screen space coordinates of specific verticies of a 3D model when visible

I\'d like to render a model, then, if particular verticies (how would i mark them?) are visible, i want to render something 2D where they are.[详细]

2023-03-08 07:41 分类：问答
Plotting a polar equation with smooth appearance

I am trying to plot a polar equation in Java. Naively plotting the individual points leads to a very lumpy result. I think this is because the anti-aliasing cannot work with a graph made up of very sh[详细]

2023-03-08 00:33 分类：问答