def testBasic(self):
self.compileMandel()
handle = fract4dc.pf_load("./test-pf.so")
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params, [self.gradient, 4.0, 0.5])
# a point which doesn't bail out
result = fract4dc.pf_calc(pfunc,[0.15, 0.0, 0.0, 0.0],100,0,0,0)
self.assertEqual(result,(100, 32, 0.0,0))
# one which does
result = fract4dc.pf_calc(pfunc,[1.0, 1.0, 0.0, 0.0],100,0,0,0)
self.assertEqual(result,(1,0, 0.0,0))
# one which is already out
result = fract4dc.pf_calc(pfunc,[17.5, 14.0, 0.0, 0.0],100,0,0,0)
self.assertEqual(result,(0, 0, 0.0,0))
# without optional args
result = fract4dc.pf_calc(pfunc,[17.5, 14.0, 0.0, 0.0],100)
self.assertEqual(result,(0, 0, 0.0,0))
pfunc = None
handle = None
def testHyperSphereFormula(self):
# check that a formula consisting of a simple 2.0-radius hypersphere
# can be effectively ray-traced
(iter,fate,dist,solid) = fract4dc.pf_calc(self.pfunc, [0.0, 0.0, 0.0, 0.0], 100)
self.assertEqual(fate,32) # should be inside
(iter,fate,dist,solid) = fract4dc.pf_calc(self.pfunc, [-2.5, 0.0, 0.0, 0.0], 100)
self.assertEqual(fate,0) # should be outside
def testHyperSphereFormula(self):
# check that a formula consisting of a simple 2.0-radius hypersphere
# can be effectively ray-traced
(iter, fate, dist, solid) = fract4dc.pf_calc(self.pfunc,
[0.0, 0.0, 0.0, 0.0], 100)
self.assertEqual(fate, 32) # should be inside
(iter, fate, dist, solid) = fract4dc.pf_calc(self.pfunc,
[-2.5, 0.0, 0.0, 0.0],
100)
self.assertEqual(fate, 0) # should be outside
def testMiniTextRender(self):
self.compileMandel()
handle = fract4dc.pf_load("./test-pf.so")
pfunc = fract4dc.pf_create(handle)
fract4dc.pf_init(pfunc,pos_params,[0,4.0])
image = []
for y in xrange(-20,20):
line = []
for x in xrange(-20,20):
(iter,fate,dist,solid) = fract4dc.pf_calc(pfunc,[x/10.0,y/10.0,0,0],100)
if(fate == 32):
line.append("#")
else:
line.append(" ")
image.append(string.join(line,""))
printable_image = string.join(image,"\n")
self.assertEqual(printable_image[0], " ", printable_image)
self.assertEqual(printable_image[20*41+20],"#", printable_image) # in the middle
