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	tadd method to delete a single particle - sphere - GPU-based 3D discrete elemen…
	git clone git://src.adamsgaard.dk/sphere
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	---
	commit 6ac5690868fad9e079fdb44b397f39e35dcbaaa0
	parent 58668c68b1fce324d35d1c86991240dabd48591e
	Author: Anders Damsgaard <[email protected]>
	Date: Fri, 20 Jun 2014 22:44:03 +0200

	add method to delete a single particle

	Diffstat:
	M python/sphere.py \| 26 ++++++++++++++++++++++++++

	1 file changed, 26 insertions(+), 0 deletions(-)
	---
	diff --git a/python/sphere.py b/python/sphere.py
	t@@ -655,6 +655,32 @@ class sim:
	self.p = numpy.append(self.p, p)
	self.color = numpy.append(self.color, color)

	+ def deleteParticle(self, i):
	+ '''
	+ Delete particle with index ``i``.
	+
	+ :param i: Particle index to delete
	+ :type i: int
	+ '''
	+
	+ self.np = self.np - 1
	+
	+ self.x = numpy.delete(self.x, i)
	+ self.radius = numpy.delete(self.radius, i)
	+ self.vel = numpy.delete(self.vel, i, axis=0)
	+ self.xysum = numpy.delete(self.xysum, i, axis=0)
	+ self.fixvel = numpy.delete(self.fixvel, fixvel)
	+ self.force = numpy.delete(self.force, i, axis=0)
	+ self.angpos = numpy.delete(self.angpos, i, axis=0)
	+ self.angvel = numpy.delete(self.angvel, i, axis=0)
	+ self.torque = numpy.delete(self.torque, i, axis=0)
	+ self.es_dot = numpy.delete(self.es_dot, i)
	+ self.es = numpy.delete(self.es, i)
	+ self.ev_dot = numpy.delete(self.ev_dot, i)
	+ self.ev = numpy.delete(self.ev, i)
	+ self.p = numpy.delete(self.p, i)
	+ self.color = numpy.delete(self.color, i)
	+
	def deleteAllParticles(self):
	'''
	Deletes all particles in the simulation object.