Python Matrix.getItem方法代码示例

# 需要导入模块: import Matrix [as 别名]
# 或者: from Matrix import getItem [as 别名]
class Breadboard(object):
	"""represents a Breadboard.  It consists of a matrix (list of lists)
	of Location objects.  Each Location object is then pointed at
	a particular node object. The coordinate system is (x,-y) or column, 
	row in the matrix.  By default, it is powered like a DAQ powers a breadboard,
	going (bottom to top) ground,2.5V,2.5V,5V.  """
	
	def __init__(self): 
		self.numRows = 18
		self.numColumns = 63
		self.locMatrix = Matrix(self.numColumns,self.numRows)
		self.componentList = []
		self.rails= [0 , 2.5 , 2.5 , 5] #voltage rails. bottom to top. y = 17 16 1 0
		self.initializeLocations()		#assigns Location objects to each coordinate
		self.nodeCreation()				#assigns functional Nodes to proper Locations
		self.detailLocations()			#sets power rails and display flags
		
	def initializeLocations(self):
		"""creates Location objects at every spot in the local matrix.
		doesnt deal with nodes, voltages, or flags"""
		for x in range(self.numColumns):
			for y in range(self.numRows):
				self.locMatrix.setItem(x,y,Location(x,y))
	
	def getLocation(self,x,y):
		"""returns the Location object at a given x,y coordinate"""
		if x>=self.numColumns or y>=self.numRows:
			return None
		if (x<0 and x!=-1) or (y<0):
			return None
		return self.locMatrix.getItem(x,y)
		
	def assignNodeHoriz(self,x,y,number):
		"""assigns a Node object to a Location.
		If the previous x Location already has a Node, the current
		Location simply points to that previous one.
		Represents the fact that power at the rails is all the same node electrically"""
		if self.getLocation(x-1,y).Node.number !=-1:
			self.locMatrix.getItem(x,y).Node = self.locMatrix.getItem(x-1,y).Node
		else:
			self.locMatrix.getItem(x,y).Node = Node(number)
	
	def assignNodeVert(self,x,y,number):
		"""assigns a Node object to a Location.
		If the previous y Location already has a Node, the current
		Location simply points to that previous one.
		Represents the fact that power at each 'five family'
		vertical group is at the same electrical node"""
		if self.getLocation(x,y-1).Node.number !=-1:
			self.locMatrix.getItem(x,y).Node = self.locMatrix.getItem(x,y-1).Node
		else:
			self.locMatrix.getItem(x,y).Node=Node(number)
			
	def nodeCreation(self):
		"""goes through each x,y coordinate on the bb and assigns
		Node objects to all Locations that exist (not including the ones between pins)
		nodes are 0,1,2,3 for GND, power 1,	power 2, and power 3."""
		
		for i in range(self.width):
			self.assignNodeHoriz(i,0,1) #5 Volts
			self.assignNodeHoriz(i,1,2) # 2.5V
			self.assignNodeHoriz(i,16,3) # 2.5V
			self.assignNodeHoriz(i,17,0) # 0 is ground
		for y in range(3,8):
			for x in range(self.width):
				self.assignNodeVert(x,y,4*x)
		for y in range(10,15):
			for x in range(self.width):
				self.assignNodeVert(x,y,4*x+1)
	
	def detailLocations(self):
		"""assigns display flags, which are for coloring the GUI.
		Sets the Location objects at coordinates at which there are no pins 
		to Filled.
		adds voltage at the rails"""
				
		for x in range(self.numColumns):
			for y in range(self.numRows):
				if y==2: #fills pins between rows
					self.setFilled(x,y)
					self.setDisplayFlag(x,y,Location.BLUE_LINE)
				if y==15:
					self.setFilled(x,y)
					self.setDisplayFlag(x,y,Location.RED_LINE)
				if y==8:
					self.setFilled(x,y)
					self.setDisplayFlag(x,y,Location.CENTER_BOTTOM)
				if y==9:
					self.setFilled(x,y)
					self.setDisplayFlag(x,y,Location.CENTER_TOP)
				if (x+1)%6==0 and (y==0 or y==1 or y==16 or y==17): #fills pins between power fivesomes
					self.setFilled(x,y)
					self.setDisplayFlag(x,y,Location.BLANK)
				if y==0:	
					self.setNodeVoltage(x,y,self.rails[3])	#sets power at top rail
				if y==1:
					self.setNodeVoltage(x,y,self.rails[2])	#sets power at second from top rail
				if y==16:
					self.setNodeVoltage(x,y,self.rails[1])	#sets power at third from top rail
				if y==17:
#.........这里部分代码省略.........