wiai’s gists

telegraphic / dp4a_cross_correlator.py

Last active November 10, 2021 20:31

Use of CUDA DP4A instruction using PyCUDA

	import pycuda.driver as cuda
	import pycuda.autoinit
	from pycuda.compiler import SourceModule
	import numpy as np

	def compute_xcorr_cpu(d):
	dc = d.astype('float32').view('complex64')
	dc = dc.transpose((0,2,3,1)).copy()
	xcorr_cpu = np.einsum('...i,...j', dc, np.conj(dc)).view('float32').astype('int32').sum(axis=-4)
	return xcorr_cpu

sklam / glinterop.py

Created August 16, 2016 18:03

Numba, PyCUDA, OpenGL interop. Adapted from https://wiki.tiker.net/PyCuda/Examples/GlInterop

	# GL interoperability example, by Peter Berrington.
	# Draws a rotating teapot, using cuda to invert the RGB value
	# each frame

	from OpenGL.GL import *
	from OpenGL.GLUT import *
	from OpenGL.GLU import *
	from OpenGL.GL.ARB.vertex_buffer_object import *
	from OpenGL.GL.ARB.pixel_buffer_object import *

LeeKamentsky / AQLM_2016.ipynb

Last active November 28, 2016 15:57

AQLM 2016 presentation on image analysis

Sorry, something went wrong. Reload?

Sorry, we cannot display this file.

Sorry, this file is invalid so it cannot be displayed.

rabernat / channel-spectrum.ipynb

Last active January 27, 2019 16:56

Sorry, something went wrong. Reload?

Sorry, we cannot display this file.

Sorry, this file is invalid so it cannot be displayed.

pwuertz / PyQt5_OpenGl_TextureFromNumpy.py

Created October 27, 2014 09:44

PyQt5 Example: Create OpenGL texture from numpy array via mapped pixel buffer

	from OpenGL import GL
	from PyQt5 import QtWidgets, QtCore, QtGui, QtOpenGL
	from OpenGL.GL.ARB.texture_rg import GL_R32F
	import numpy as np
	import ctypes
	import time

	w, h = 400, 400

	class TestWidget(QtOpenGL.QGLWidget):

jonschoning / images2gif.py

Created October 29, 2013 15:00

	# This file is part of VISVIS. This file may be distributed
	# seperately, but under the same license as VISVIS (LGPL).
	#
	# images2gif is free software: you can redistribute it and/or modify
	# it under the terms of the GNU Lesser General Public License as
	# published by the Free Software Foundation, either version 3 of
	# the License, or (at your option) any later version.
	#
	# images2gif is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of

cryos / avogadrostandalone.py

Created July 28, 2012 17:50

Using Avogadro from Python

	# Developed by Tim Vandermeersch, with a blog post at
	# http://timvdm.blogspot.com/2009/05/using-avogadro-library-from-python.html
	#
	#import openbabel
	# needed for OB formats on linux (can be omitted by importing openbabel first)
	import sys
	if sys.platform.find('linux') != -1:
	try:
	import dl
	except ImportError:

minrk / progbar.ipynb

Created March 27, 2012 00:33

Sorry, something went wrong. Reload?

Sorry, we cannot display this file.

Sorry, this file is invalid so it cannot be displayed.

webwurst / pyside_webkit_javascript.py

Created March 26, 2012 08:01

PySide/WebKit/Javascript

	import sys
	from PySide.QtCore import QObject, Slot
	from PySide.QtGui import QApplication
	from PySide.QtWebKit import QWebView


	html = """
	<html>
	<body>
	<h1>Hello!</h1><br>

ssorgatem / integration.py

Created March 22, 2012 12:00

An example of integrating the Jmol viewer into a jython application, with optional console.

	#-- coding:utf-8 --
	#
	# Copyright 2012 Adrià Cereto Massagué <adrian.cereto@urv.cat>
	# This is the jython version of Jmol's Integration.java.
	# It is under public domain
	"""
	An example of integrating the Jmol viewer into a jython application, with optional console.
	"""
	from java.lang.System import exit

Aimo Winkelmann wiai