Basically I'm asking this question for JavaScript: Calculate Bounding box coordinates from a rotated rectangle    In this case:   iX = Width of rotated (blue) HTML element iY = Height of rotated (blue) HTML element bx = Width of Bounding Box (red...
I'm trying to find the best way to get the bounding box of an arbitrary SVG element in screen pixels, in order to overlay an HTML element correctly. My approach so far has been to use .getBBox() and .getCTM() to retrieve the object's bounding...
I've created my own custom map with the SVG tool from jVectorMap (http://svgto.jvectormap.com). It displays correctly, but I want it to work with latitudes and longitudes, because I use the google maps API to position the markers on the map. I kn...
I found this excellent question and answer which starts with x/y (plus the center x/y and degrees/radians) and calculates the rotated-to x'/y'. This calculation works perfectly, but I would like to run it in the opposite direction; starting w...
When using SVG in the Browser the browser has a getBBox function to give you the bounding box of various elements. But when it comes to text elements it really confused me how this bouding box is calculated. I know that fontsize is based on the em-Bo...
I am stumped. What I want to do is: whenever my mouse pointer enters a box, I want to keep changing the color of the box. However, when mouse leaves the box I want the color of the box to stop changing. I must admit that I am learning JS and scope of...
I anticipate using panBy but I'm not sure how to detect when mouse is "close" to the bounding box. Not even sure where to start here....
I'm in a position where I can't simply use a hover event, but I need to trigger mouseover and mouseout when the mouse is inside the area of a given element and when it leaves that area. It can be javascript, or jquery, or a mix. I haven't...
I have a pdf file with names in it, attached at various points to an image. I want to extract the co-ordinates of the names so that I can do various clever things. Pdf.js from Mozillla has a neat getTextContent function, which ought to do what I want...

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