I am trying to create a D3 streamgraph chart with additional data per layer using a values accessor, as demonstrated in the D3 API reference and this question at Stack Overflow.  The title appends fine, but it does not appear to append the values. An...
I have some points in database that make polygon on map. i am using Google Map Api v 3. Now I am trying to add some area in polygon such as I would like to add 100m in every side of polygon and make new one on map along with the original. I tried tha...
I've been using the following code to detect browser client area width for ages and it wokred 100% with all browsers, including FF, Safari and various versions of IE. However, now when I switched to a new monitor with widescreen resolution (1280x...
I'm currently developing a simple shape detection algorithm where I'd like to distinguish extracted shapes from an image into different types, like triangle, square, circle, ....  I got no problems extracting all of these areas - I just got p...
I am looking at HTML  hot spots and have a question with regards to an example I have found on a previous Stack Overflow Q&A.   Previous Stack OverFlow Area Example  In the first answer from 'Gibberish' he has provided a worked example on...
I have a situation where I need to predict a trend in a time series, and I have to display confidence intervals.  Is there a way to plot two sets of y-values in Highcharts as linked, and shade the area between the two? Something like this:  http://ww...
The task is: Find the largest area of identical numbers in a matrix.   The matrix is hardcoded and i have the following code so far.   <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8">...
I am creating a piece of javascript code where it's necessary  to identify every polygon created from a number of randomly generated intersecting lines. The following screenshot will give a better explanation of what I'm talking about:    Now...
I would like to display area tag name after a person clicks on it. Unfortunately when I use code below for map area I get undefined name of obiekt name. It's weird because for textbox 'kot' it works well.   <script>  function metoda...
I'm currently working on website allowing users to select colors from input, that will then be affected on a specific area of an image.   Here is an image example :  Result example : If the user selected red color, the 1 zone will be colored red...

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