Python Vector.x方法代码示例

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
    def __init__(self, minimum, maximum, target_minimum=None, target_maximum=None, ratio=None):
        self.minimum = minimum
        self.maximum = maximum

        if not target_minimum:
            target_minimum = Vector()
        if not target_maximum:
            target_maximum = maximum - minimum

        space = Vector()

        if ratio:
            if ratio == 'geo':
                ratio = math.sin((90.0 - ((self.maximum.y + self.minimum.y) / 2.0)) / 180.0 * math.pi)

            current_ratio = (self.maximum.x - self.minimum.x) * ratio / (self.maximum.y - self.minimum.y)
            target_ratio = (target_maximum.x - target_minimum.x) / (target_maximum.y - target_minimum.y)

            if current_ratio >= target_ratio:
                n = (target_maximum.x - target_minimum.x) / (maximum.x - minimum.x) / ratio
                space.y = ((target_maximum.y - target_minimum.y) - (maximum.y - minimum.y) * n) / 2.0
                space.x = 0
            else:
                n = (target_maximum.y - target_minimum.y) / (maximum.y - minimum.y)
                space.x = ((target_maximum.x - target_minimum.x) - (maximum.x - minimum.x) * n) / 2.0
                space.y = 0

        target_minimum.x += space
        target_maximum.x += space

        self.target_minimum = target_minimum
        self.target_maximum = target_maximum

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
def line_center(node_ids):
    ma = Vector()
    mi = Vector(10000, 10000)
    for node_id in node_ids:
        node = node_map[node_id]
        flinged = flinger.fling(Geo(node['lat'], node['lon']))
        if flinged.x > ma.x: ma.x = flinged.x
        if flinged.y > ma.y: ma.y = flinged.y
        if flinged.x < mi.x: mi.x = flinged.x
        if flinged.y < mi.y: mi.y = flinged.y
    return Vector((ma.x + mi.x) / 2.0, (ma.y + mi.y) / 2.0)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
 def apply(boid, xmin, xmax, ymin, ymax):
     v = Vector()
     position = boid.position
     if position.x < xmin:
         v.x = 10
     elif position.x > xmax:
         v.x = -10
     if position.y < ymin:
         v.y = 10
     elif position.y > ymax:
         v.y = -10
     return v

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
	def test_eq(self):
		v5 = Vector(0,0)
		v5.x = 5
		v5.y = 5
		#self.assertEqual(v5,self.vec5)
		self.assertTrue(v5 == self.vec5)
		self.assertTrue((v5 == self.vec1) is False)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
	def test_ne(self):
		v5 = Vector(0,0)
		v5.x = 5
		v5.y = 5
		self.assertEqual(v5,self.vec5)
		self.assertTrue(v5 != self.vec1)
		self.assertTrue((v5 != self.vec5) is False)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
        def collideWith(self, foe):
                """assumed cells are colliding"""
	
	#get distance between cell radii as a vector
		selfPos = self.pos
		foePos = foe.pos
		xDiff = selfPos.x - foePos.x
		yDiff = selfPos.y - foePos.y
		dist = math.sqrt(xDiff**2 + yDiff**2)
                dist += 5
		distVec = Vector(xDiff, yDiff)
		distVec.x = round(distVec.x,3)
		distVec.y = round(distVec.y,3)
		unitVec = distVec/dist
		unitVec.x = round(unitVec.x, 3)
		unitVec.y = round(unitVec.y, 3)

	#make a force vector
		forcApp = 1/dist
		forcApp = round(forcApp, 3)
		forcVec = unitVec * forcApp
		forcVec.x = round(forcVec.x, 3)
		forcVec.y = round(forcVec.y, 3)

	#apply the force vector to other cell
		#the target's acceration is changed
		#by F/target's mass
 		
		targetPushVec = forcVec/foe.mass
		targetPushVec.x = round(targetPushVec.x, 3)
		targetPushVec.y = round(targetPushVec.y, 3)
		foe.acl += -targetPushVec

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
    def test_vec_coords_2d(self):
        v = Vector(1, 2)
        self.assertEqual(v.x, 1)
        self.assertEqual(v.y, 2)
        self.assertEqual(v.z, None)

        v.x, v.y = 3, 4
        self.assertEqual(v.x, 3)
        self.assertEqual(v.y, 4)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
def ehrefest_force(dBz, pos, psi):
    force = Vector([0., 0., 0.])

    force.x = np.dot(psi.conj().transpose(), 
                     np.dot(force_evolution_operator_x(dBz, pos), psi)).real
    force.y = np.dot(psi.conj().transpose(),
                     np.dot(force_evolution_operator_y(dBz, pos), psi)).real
    force.z = np.dot(psi.conj().transpose(), 
                     np.dot(force_evolution_operator_z(dBz, pos), psi)).real

    return force

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
    def test_accessors(self):
        v = Vector(11, 12)
        self.assertEqual(v.x, 11)
        self.assertEqual(v.y, 12)
        self.assertEqual(v[0], 11)
        self.assertEqual(v[1], 12)

        v[0] = 13
        self.assertEqual(v.x, 13)
        v[1] = -7
        self.assertEqual(v.y, -7)

        v.x = 1
        self.assertEqual(v[0], 1)
        v.y = 0
        self.assertEqual(v[1], 0)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
    def test_vec_coords_3d(self):
        v = Vector(1, 2, 3)
        self.assertEqual(v.x, 1)
        self.assertEqual(v.y, 2)
        self.assertEqual(v.z, 3)

        v.x, v.y, v.z = 4, 5, 6
        self.assertEqual(v.x, 4)
        self.assertEqual(v.y, 5)
        self.assertEqual(v.z, 6)

        v = Vector(7, 8)
        v.z = 9
        self.assertEqual(v.x, 7)
        self.assertEqual(v.y, 8)
        self.assertEqual(v.z, 9)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
 def draw(self):
     w,h = self.width,self.height
     #w,h = screenwidth/2,screenheight/2
     self.image = pygame.Surface( (w,h) )
     self.image.fill(bgcolor)
     self.image.set_colorkey(bgcolor)
     self.image = self.image.convert_alpha()
     self.rect = self.image.get_rect()
     # draw coordinates
     pygame.draw.line(self.image,gridcolor,self.rect.midleft,self.rect.midright,1) # x-coord
     pygame.draw.line(self.image,gridcolor,self.rect.midtop,self.rect.midbottom,1) # y-coord
     # draw circle
     r = int(w/4)
     pygame.draw.circle(self.image,gridcolor,self.rect.center, r, 1)
     # draw angle
     vd = Vector(0,0)
     vd.x = cos(30*GRAD)
     vd.y = -sin(30*GRAD)
     pos1 = Vector(self.rect.center) + vd* r
     pos1 = int(pos1.x),int(pos1.y)
     print pos1
     pygame.draw.line(self.image,blue,self.rect.center,pos1,2)
     # draw frame
     pygame.draw.rect(self.image,gridcolor,self.rect,1)
     # x,y
     xsurf = write('x',blue,26)
     xrect = xsurf.get_rect()
     xrect.center = self.rect.right - 20, self.rect.centery
     self.image.blit(xsurf,xrect)
     ysurf = write('+y',blue,26)
     yrect = ysurf.get_rect()
     yrect.center = self.rect.centerx, self.rect.bottom - 20
     self.image.blit(ysurf,yrect)
     # draw Tank
     tanksurf,a,b = drawTank(w/8,h/8,green)
     tankrect = tanksurf.get_rect()
     tankrect.center = self.rect.center
     self.image.blit(tanksurf,tankrect)
     # draw Cannon
     cannonsurf = drawCannon(self.width/4,self.height/4)
     cannonrect = cannonsurf.get_rect()
     #pygame.draw.rect(cannonsurf,red,cannonrect,2) frame
     cannonrect.center = self.rect.center
     self.image.blit(cannonsurf,cannonrect)
     # Tank Forward direction
     dh=14; dw = dh*6
     drect = self.rect.centerx+r/2, self.rect.centery-dh/2,dw,dh
     drect = pygame.Rect(drect)
     pygame.draw.rect(self.image,red,drect)
     # draw Forward arrow
     endpoint = drect.midright[0]+14,drect.midright[1]
     toppoint = endpoint[0]-20,endpoint[1]- 14
     bottompoint = endpoint[0]-20,endpoint[1]+ 14
     pointlist = endpoint,toppoint,bottompoint
     pygame.draw.polygon(self.image,red,pointlist)
     self.drawText((20,20),'Instructions',black,32)
     self.drawText((20,100),'move Forward  : K',black)
     self.drawText((20,120),'move Backward : J',black)
     self.drawText((20,140),'rotate Tank Left: A',black)
     self.drawText((20,160),'rotate Tank Right: S',black)
     self.drawText((20,180),'rotate Cannon Left: D',black)
     self.drawText((20,200),'rotate Cannon Right: F',black)
     self.drawText((20,220),'fire Cannon: SPACE',black)
     self.drawText((20,240),'fire Machine Gun: L',black)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
# size = 0
# s_size = 0

print "TIME_WINDOW_MIN: ", TIME_WINDOW_MIN
print "TIME_WINDOW_MAX: ", TIME_WINDOW_MAX
print "PRECISION: ", PRECISION

two_seconds_elapsed = time.time()

while True:

    if sample_size == SAMPLE_SIZE:
        sample_size = 0
        # print "--------------------------------- finished 50 samples \n"

        dynamic_threshold.x = (accel_max.x + accel_min.x) / 2
        dynamic_threshold.y = (accel_max.y + accel_min.y) / 2
        dynamic_threshold.z = (accel_max.z + accel_min.z) / 2

        accel_max = Vector(0, 0, 0)
        accel_min = Vector(sys.maxint, sys.maxint, sys.maxint)

        first_time = False

    # filter accelerometer values
    accel_xout = read_word_2c(mpu_address, 0x3B)
    accel_yout = read_word_2c(mpu_address, 0x3D)
    accel_zout = read_word_2c(mpu_address, 0x3F)

    accel_val = Vector(accel_xout, accel_yout, accel_zout)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
    most_axis_axis = 1

first_time = True

print "TIME_WINDOW: ", TIME_WINDOW
print "PRECISION: " , PRECISION

two_seconds_elapsed = time.time()

while(True):

    if(sample_size == 50):
        sample_size = 0
       # print "--------------------------------- finished 50 samples \n"

        dynamic_threshold.x = (accel_sum.x) / SAMPLE_SIZE
        dynamic_threshold.y = (accel_sum.y) / SAMPLE_SIZE
        dynamic_threshold.z = (accel_sum.z) / SAMPLE_SIZE

        accel_sum.x = 0
        accel_sum.y = 0
        accel_sum.z = 0

        first_time = False

    accel_xout = read_word_2c(0x3b)
    accel_yout = read_word_2c(0x3d)
    accel_zout = read_word_2c(0x3f)

    accel_val = Vector(accel_xout, accel_yout, accel_zout)

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
first_time = True

accel_graph = open('accel_graph-stride_length.txt', 'w')

# execution stage
time_elapsed = time.time()
while(time.time() - time_elapsed <= 15):

    # filter accelerometer values
    accel_xout = read_word_2c(mpu_address, 0x3b) - accel_offset_x
    accel_yout = read_word_2c(mpu_address, 0x3d) - accel_offset_y
    accel_zout = read_word_2c(mpu_address, 0x3f) - accel_offset_z

    accel_val = Vector(accel_xout, accel_yout, accel_zout)

    gravity.x = HIGH_PASS * gravity.x + (1 - HIGH_PASS) * accel_val.x
    gravity.y = 0
    gravity.z = HIGH_PASS * gravity.z + (1 - HIGH_PASS) * accel_val.z

    accel_val.x = accel_val.x - gravity.x
    accel_val.y = accel_val.y - gravity.y
    accel_val.z = accel_val.z - gravity.z
    
    accel_val.x = (accel_filter_list[0].x + accel_filter_list[1].x + accel_filter_list[2].x + accel_filter_list[3].x + accel_val.x) / 5
    accel_val.y = (accel_filter_list[0].y + accel_filter_list[1].y + accel_filter_list[2].y + accel_filter_list[3].y + accel_val.y) / 5
    accel_val.z = (accel_filter_list[0].z + accel_filter_list[1].z + accel_filter_list[2].z + accel_filter_list[3].z + accel_val.z) / 5

    accel_filter_list.insert(moving_index, accel_val)

    moving_index = (moving_index + 1) % 4

# 需要导入模块: from vector import Vector [as 别名]
# 或者: from vector.Vector import x [as 别名]
def TargetFuncDerivative3( vec ):
    brace   = vec.y - vec.x ** 2
    rez     = Vector()
    rez.x   = -400 * vec.x * brace - 2 * ( 1 - vec.x )
    rez.y   = 200 * brace
    return rez