nvis is an image stream viewer, with the goal to facilitate image and image stream comparisons. Streams can be of browser-compatible images, or EXR images. Shaders can be added that have image streams as input (or not). These can implement any type of function, and the accompanying JSON user interface description allows for interactive adjustment of shader parameters.
Author: Jim Nilsson (jnilsson@nvidia.com)
Copyright: See below
Python - a version that supports http.server
-
Clone the repository to your favorite location:
git clone https://github.com/JimNV/nvis.git -
Start a Python
http.serverby running the start script:<nvis-location>/bin/nvis.{sh|bat} -
Browse to
localhost. Tested with Chrome and Firefox.
See Reference Manual for all options.
A minimal HTML file (e.g., index.html) to start nvis is the following:
<!DOCTYPE html>
<head>
<title>nvis</title>
<script type="text/javascript" src="js/nvis.js"></script>
</head>
<body>
</body>
</html>
To create a static nvis page with streams and shaders, insert API commands within a <script> element within the <body> element:
<body>
<script>
nvis.zoom(2.0);
nvis.stream([ "ref/image.0000.png", "ref/image.0001.png", "ref/image.0002.png", "ref/image.0003.png" ]);
nvis.stream([ "test/image.0000.png", "test/image.0001.png", "test/image.0002.png", "test/image.0003.png" ]);
nvis.shader("glsl/difference.json", [ 0, 1 ], true);
</script>
</body>
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