How can i convert the axis coordinates into pixel coordinates? I have a set of data which include the negative and floating va开发者_开发问答lues, i need to put all of the data into the image. But the
I have an image full of objects 开发者_运维知识库of the shape of an ellipse. I need to design an ellipse for each object that is the best fit for the object itself. I have found a code that helps me t
I\'m building a boardgame in WebGL. The board can be rotated/zoomed. I need a way to translate a click on the canvas element (x,y) into the relevant point in 3D space (x, y, z). The ultimate result is
just like the title s开发者_开发知识库ay, I know how to add marker on specific lat,lon. Now I want to add marker and put it on top left or top right of the map. How to accomplish this using javascript
Ok im in the middle of making a game for iphone and i was wondering how to delete an image if it gets past a certain coordinate开发者_开发问答s. Im doing this strait in xcode. Also please post some ex
I have a flash application and I use papervision3d library. I put my objects to the scene, no problem but I also want to show the 开发者_StackOverflow社区coordinate axes (x,y and z) to user.
I\'m currently worki开发者_运维百科ng on project of where 2d terrain maps are saved into a one-dimensional array. Each block in the map is indexed by xy coordinates. So, to save the map into a one-dim
If I touch the screen with UIImage displayed, i can get a coordinate of (screen.x, screen.y) in screen coordinate. And how can I get the UIImage coordinate (image.x, image.y) from this coordinate ? th
I have for example a coordinate: 41,791063, 12,6923072 and I want to find the nearest node in the OSM DB
I have a class Room, and a class Wor开发者_JAVA技巧ld. Currently, I have a Dictionary<Point, Room> world;