I need a 2D binary representation of the following PNG image:    Can anyone provide a method or a source to convert PNG image above to a 2D array where 1 = land and 0 = water?  With some reading I figured out a way to loop through all the pixels in t...
First of all, I am aware of this question:   How do I load binary image data using Javascript and XMLHttpRequest?   and specifically best answer therein, http://emilsblog.lerch.org/2009/07/javascript-hacks-using-xhr-to-load.html.  So accessing binary...
I have a problem to convert binary data to base-64 in JS. I try all the things that exists on the net include this How to parse into base64 string the binary image from response?, but everyone return a wrong base-64 and I don't find why !  **I tr...
here is some part of my code  xmlhttp.open("GET", theUrl, true); document.imglive.innerHTML = '<img src="data:image/jpeg,' + xmlhttp.responseText + '"/>';   that don´t seem to work. i also tried  document.imgliv...
I have to read a binary file which is said to be encoded 4 byte single format and never having to work with binary data, I don't know what this means.  I can do this reading a file with binary data in JavaScript:   d = new FileReader();  d.onload...
I am working on a web app that opens binary files and allows them to be edited.  This process is basically ondrop -> dataTransfer.files[0] -> FileReader -> Uint8Array  Essentially, I want to be able to save the modified file back as a binary...
I want to read a binary file in JavaScript that would be gotten through XMLHttpRequest and be able to manipulate that data. From my researching I discovered this method of reading a binary file data into an array  var xhr = new XMLHttpRequest(); xhr....
I want to read the binary data of an image and then save it again to my local disk with JavaScript.   I wrote a small demo that shows this use-case. To read the file I use readAsBinaryString from the File Reader API (HTML5) to get the binary data....
I'm making an ajax call to an API that returns binary data. I'm wondering if its possible to take that binary data and display it for the client in a new window? This is what I'm doing right now. The problem is, the document opens up, but...
I am trying to write the binary body of a request to a file and failing. The file is created on server but I am unable to open it. I am getting 'Fatal error: Not a png' on Ubuntu. Here is how I am making the request:  curl --request POST --da...

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