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  #1  
Old 03-02-2009, 08:57 AM
just alex just alex is offline
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Join Date: Nov 2008
Posts: 18
iteration over non-sequence error

This is another noobie question, but whenever I activate what should be the car's driving path, i get a iteration over non-sequence error and I'm not sure how to fix it.

Code:
import viz
import math
import vizmat
import vizinfo
import vizact
from lookingat import LookingAt
viz.go()


#adds the ppt
#PORT_PPT = 1
#ppt = viz.add('vizppt.dls')

#ppt.command(3,"",1,1,5) #scales ppt tracking on xyz axis
  

#collisions on
viz.collision(viz.ON)
view = viz.get(viz.MAIN_VIEWPOINT)
view.rotate(0,1,0,90)

#gonna comment out the collision for now, it's registering when the avatar touches
#ground as a collision

#This function is called when a collision occurs
def mycollision(info):
	print 'Collided'


#Create a callback for a collision event
viz.callback(viz.COLLISION_EVENT, mycollision)

#PORT_INTERSENSE = 2
#isense = viz.add('intersense.dls') 
#tracker = viz.add('intersense.dls')
#viz.tracker()
#tracker.reset()

def mykeyboard(key):
	
	#If the R key is pressed, reset the head orientation
	if key in ['r','R']:
		tracker.reset()

#Create a keyboard callback
viz.callback(viz.KEYBOARD_EVENT,mykeyboard)


#Add the street and drop it a little bit to be below the avatars feet.
street = viz.add('objects/bspcity.bsp')
street.translate(0,-.2,0)


males = []
females = []
walking = []
whichturn = 0

#List the timers.
WALKING = 0
DRIVING = 1
BLINDLOOK = 2
MALEMEETING = 3
FEMALEMEETING = 4
SITTINGWOMAN=5
FREEZESITTER=6
THROWINGMAN =7
HOLDVIEW = 8
TIMING = 9

#Add the heads for the males.
maleheads = ['Male/heads/M-015-2L.vzf','Male/heads/M-056L.vzf', 'Male/heads/M-063L.vzf']
femaleheads = []
bodyparts = ['male_legs.cmx','male_torso_LS.cmx','male_shoes.cmx']
maleclothes = ['Male/clothes/male1.jpg','Male/clothes/male2.jpg','Male/clothes/male3.jpg']
#Make some avatars.
for i in range(3):
	male = viz.add('male.cfg')
	male.translate(i,0,0)
	male.visible(0,'male_head.cmx')
	male.face(maleheads[i])
	clothes = viz.add(maleclothes[i])
	for j in bodyparts:
		male.texture(clothes,j)
	males.append(male)
		
for i in range(2):
	female = viz.add('female.cfg')
	female.translate(i,0,0)
	females.append(female)



#Set up paramters for walking guy.
males[0].translate(0,0,-5)
males[0].rotate(0,1,0,-90)
males[0].whichturn = 0
males[0].set = [[1.5,0,-5],[1.5,0,15],[5,0,15],[-5,0,-5]]
males[0].end = 4
males[0].state(1)
walking.append(males[0])

#Set up paramters for walking girl.
females[0].translate(1,0,-7)
females[0].rotate(0,1,0,-90)
females[0].whichturn = 0
females[0].set = [[1.5,0,0],[1,0,15],[2,0,15],[-5,0,-5]]
females[0].end = 4
females[0].state(1)
walking.append(females[0])

#Add car.
car = viz.add('mini.osgx')

#set car stuff
car.translate(-1.5,0,8)
car.rotate(0,1,0,180)

#set car path
path = viz.add(viz.ANIMATION_PATH)
positions = [[-1.5,0,8],[-1.5,0,0],[-1.5,0,-3]]

for x in range(0,len(positions)):
        cp = viz.add(viz.CONTROL_POINT)
        cp.setPosition(positions[x])
        path.add(cp,x+1)

path.constantspeed(viz.ON,1)

path.loop(viz.LOOP)

path.translatemode(viz.BEZIER)

path.setAutoRotate(viz.ON)
car.link(path)

#Set up for meeting.
males[1].translate(-9,0,21)
females[1].translate(2,0,7)
females[1].state(1)
malemoves = [2,2,4,4,2,4,4,4,4,4,4,2,2,12]
femalemoves = [6,5,12,12,1]
females[1].rotate(0,1,0,-55)
males[1].rotate(0,1,0,135)
males[1].state(1)



#Set up for throwing man.
males[2].translate(11,0,7)
males[2].state(1)

#Set up for timing.
timebomb = 0


def onkeydown(key):
	if key == '0':
		viz.starttimer(WALKING, .1, viz.PERPETUAL)
	
	
	if key == '2':
		females[1].addAction(6)
		males[1].goto(1.6,0,7.7)
		females[1].spinto(0,1,0,-55)
		females[1].state(12)
		viz.starttimer(MALEMEETING,.1)
		viz.starttimer(FEMALEMEETING,.1)
		
	if key == '7':
		viz.starttimer(DRIVING,.1)
	
	
	if key == '4':
		viz.starttimer(THROWINGMAN,.1)

	if key == 's':
		print 's'
		viz.starttimer(TIMING,1, viz.PERPETUAL)
		
def ontimer(num):
	global gravity, timebomb
	if num == WALKING:
		for agent in walking:
			agentposition = agent.get(viz.POSITION)
			agentgap = vizmat.Distance(agentposition, agent.set[agent.whichturn])
			if agentgap < .1:
				agent.whichturn += 1
				agent.state(1)
				if agent.whichturn == agent.end:
					agent.whichturn = 0
					
			
			walk = vizact.walkto(agent.set[agent.whichturn][0],agent.set[agent.whichturn][1],agent.set[agent.whichturn][2])
			agent.addAction(walk)
			
			
	if num == DRIVING:
		for agent in DRIVING:
			path.play()
			
			
	if num == MALEMEETING:
		if len(malemoves)>1:
			animation = malemoves.pop(0)
			duration = males[1].getduration(animation)
			males[1].execute(animation)
			viz.starttimer(MALEMEETING, duration-.15)
		else:
			animation = malemoves.pop(0)
			males[1].state(animation)

	if num == FEMALEMEETING:
		if len(femalemoves)>1:
			animation = femalemoves.pop(0)
			duration = females[1].getduration(animation)
			females[1].execute(animation)
			viz.starttimer(FEMALEMEETING, duration-.15)
		else: 
			animation = femalemoves.pop(0)
			females[1].state(animation)
	
	
	if num == THROWINGMAN:
		males[2].execute(9)
		males[2].execute(1)
		viz.starttimer(THROWINGMAN, 10)
	
	if num == HOLDVIEW:
		view.translate(-8.5,1.5,-2)
		
	if num == TIMING:
		print timebomb
		timebomb += 1
		
		if timebomb == 1:
			onkeydown('0')
			
		elif timebomb == 3:
			onkeydown('4')
		
		elif timebomb == 10:
			onkeydown('2')
		
		elif timebomb == 20:
			onkeydown('3')
		
		elif timebomb == 30:
			onkeydown('1')
		
		elif timebomb == 80:
			viz.quit()
	
viz.callback(viz.TIMER_EVENT,ontimer)

viz.callback(viz.KEYDOWN_EVENT,onkeydown)
viz.starttimer(HOLDVIEW,.001, viz.PERPETUAL)
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  #2  
Old 03-02-2009, 10:24 AM
farshizzo farshizzo is offline
WorldViz Team Member
 
Join Date: Mar 2003
Posts: 2,849
Can you post the Python traceback error message? Python error messages usually tell you the exact line of code that caused the error and the reason for the error.
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  #3  
Old 03-04-2009, 01:41 PM
just alex just alex is offline
Member
 
Join Date: Nov 2008
Posts: 18
Here's the error
Traceback (most recent call last):
File "fixin' streetscene.py", line 199, in ontimer
for agent in DRIVING:
TypeError: iteration over non-sequence


it tells me where the problem is, but I don't know how to fix it.
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  #4  
Old 03-04-2009, 01:58 PM
farshizzo farshizzo is offline
WorldViz Team Member
 
Join Date: Mar 2003
Posts: 2,849
The error says you are iterating over an object which is not a list or sequence. It's occurring on the line "for agent in DRIVING:"

Looking at your code, the variable DRIVING is being assigned an integer value, which is not a list or sequence. You need to fix that line of code so it iterates over a list or sequence object.
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