javascript Programming Glossary: coordinate
Convert Lat/Longs to X/Y Co-ordinates http://stackoverflow.com/questions/1019997/convert-lat-longs-to-x-y-co-ordinates be able to convert using Javascript the Lat Long to an X Y coordinate where the point would reflect the location. So the X Y coordinate.. where the point would reflect the location. So the X Y coordinate form the Top Left corner of the image would be 289 111 Things.. in PHP but I really need the JS php javascript maps coordinates proj4js share improve this question A basic conversion..
Display DIV at Cursor Position in Textarea http://stackoverflow.com/questions/128342/display-div-at-cursor-position-in-textarea of textarea. I used Sam Saffron 's example to show cursor coordinates a gray background div . I also added a Randomize link so you.. use the canvas methods available to us to figure out our coordinates. First and foremost we adjust our canvas to match the dimensions.. up until that point with the line height and you have a y coordinate. The x coordinate is very similar except we're using context.measureText..
How do I find the DOM node that is at a given (X,Y) position? (Hit test) http://stackoverflow.com/questions/1569775/how-do-i-find-the-dom-node-that-is-at-a-given-x-y-position-hit-test node that is at a given X Y position Hit test I have the coordinates X Y of a point in an HTML document. How do I determine what.. document. How do I determine what DOM node is at those coordinates Some ideas Is there a DOM hit test function that I missed that.. is coming in 4.6. So I'm hoping I can toss the the coordinate into Javascript and do the hit testing there with DOM APIs...
How can I highlight the line of text that is closest to the mouse? http://stackoverflow.com/questions/2456442/how-can-i-highlight-the-line-of-text-that-is-closest-to-the-mouse be highlighted. To make it easier I'll just use the Y coordinate of the mouse this way the mouse pointer isn't going to get in..
Convert long/lat to pixel x/y on a given picure http://stackoverflow.com/questions/2651099/convert-long-lat-to-pixel-x-y-on-a-given-picure . Also I have object co ordinates in a city in geographic coordinates . Problem how to convert geographic coordinates to the co ordinates.. geographic coordinates . Problem how to convert geographic coordinates to the co ordinates of my picture that is in pixels on OX and.. on OX and OY on a picture . That is I receive geographic coordinates and it is necessary for me to draw this point on my picture...
What is the event precedence in JavaScript? http://stackoverflow.com/questions/282245/what-is-the-event-precedence-in-javascript how events will be queued and dispatched the event loop To coordinate events user interaction scripts rendering networking and so..
Coordinating parallel execution in node.js http://stackoverflow.com/questions/4631774/coordinating-parallel-execution-in-node-js programming model of node.js makes it somewhat tricky to coordinate the program flow. Simple sequential execution gets turned into..
Baking transforms into SVG Path Element commands http://stackoverflow.com/questions/5149301/baking-transforms-into-svg-path-element-commands path_elem normalize_path to_relative dec Rounding coordinates to dec decimals if dec dec 0 if dec 15 dec 15 else if dec 0.. Get the relation matrix that converts path coordinates to SVGroot's coordinate space var matrix pathDOM.getTransformToElement.. matrix that converts path coordinates to SVGroot's coordinate space var matrix pathDOM.getTransformToElement svgDOM The following..
Determine timezone from latitude/longitude without using web services like Geonames.org http://stackoverflow.com/questions/5584602/determine-timezone-from-latitude-longitude-without-using-web-services-like-geona lookup the nearest city or rather its timezone to a given coordinate IIRC it took less than 1 second to populate the R Tree and it..
HTML5 Canvas Performance and Optimization Tips, Tricks and Coding Best Practices http://stackoverflow.com/questions/8205828/html5-canvas-performance-and-optimization-tips-tricks-and-coding-best-practices rotation and scaling resulting in a change to the canvas coordinate system. This is where it's important to know about the state..
How to get a pixel's x,y coordinate color from an image? http://stackoverflow.com/questions/8751020/how-to-get-a-pixels-x-y-coordinate-color-from-an-image to get a pixel's x y coordinate color from an image Is there any way to check if a selected..
What does it mean global namespace would be polluted? http://stackoverflow.com/questions/8862665/what-does-it-mean-global-namespace-would-be-polluted exposed to the global namespace var Coordinates array for coordinates var Coordinate function xcoord ycoord definition for type Coordinate.. function x y Coordinates.push new Coordinate x y Add a new coordinate Slope function Calculates slope and returns the value var c1..
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