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randomiseCity.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# The MIT License (MIT)
# This code is part of the Random3Dcity package
# Copyright (c) 2015
# Filip Biljecki
# Delft University of Technology
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""
Python script to generate ground truth model specifications
"""
import uuid
import random
from lxml import etree
from math import sqrt, trunc, floor
import argparse
def argRead(ar, default=None):
"""Corrects the argument input in case it is not in the format True/False."""
if ar == "0" or ar == "False":
ar = False
elif ar == "1" or ar == "True":
ar = True
elif ar is None:
if default:
ar = default
else:
ar = False
else:
raise ValueError("Argument value not recognised.")
return ar
#-- Parse command-line arguments
PARSER = argparse.ArgumentParser(description='Generator of buildings in own format (original, sizes, roof, ...).')
PARSER.add_argument('-n', '--number',
help='Number of buildings to generate.', required=False)
PARSER.add_argument('-o', '--filename',
help='Filename to be written containing the data of the buildings (XML).', required=False)
PARSER.add_argument('-r', '--rotation',
help='Enable rotation. By default it is False. Allowed options: 0/1 or False/True.', required=False)
PARSER.add_argument('-c', '--crs',
help='Origin of the reference system (-o Nordoostpolder, default = (0,0,0))', required=False)
PARSER.add_argument('-s', '--street',
help='Generate a road network.', required=False)
PARSER.add_argument('-v', '--vegetation',
help='Generate vegetation.', required=False)
PARSER.add_argument('-p', '--parts',
help='Generate parts of buildings, such as garages.', required=False)
ARGS = vars(PARSER.parse_args())
NUMBEROFBUILDINGS = ARGS['number']
FILENAME = ARGS['filename']
CRS = ARGS['crs']
ROTATIONENABLED = argRead(ARGS['rotation'])
STREETS = argRead(ARGS['street'])
VEGETATION = argRead(ARGS['vegetation'])
BUILDINGPARTS = argRead(ARGS['parts'])
#-- Streets and rotated buildings don't look well together. Same with CRS.
if STREETS and ROTATIONENABLED:
raise ValueError("I cannot process both rotated buildings and road network. Please disable one of the two.")
elif STREETS and CRS:
raise ValueError("I cannot process both the non-local CRS and road network. Please disable one of the two.")
#-- Parametres
# Size of the cells of buildings in metres
CELLSIZE = 20.0
def buildinggenerator(n, vegetationcells=False, crs=None):
"""
Generate n buildings with random properties.
"""
specifications = etree.Element("specifications")
rmax = 0
cmax = 0
#-- For each building run the randomizer independently
for i in range(0, n):
#-- Save the location in the cell for each of the building (for the streets)
if vegetationcells:
if i in vegetationcells:
continue
cell = buildingParametres(specifications, i, n, crs)
r = cell[0]
c = cell[1]
if r > rmax:
rmax = r
if c > cmax:
cmax = c
return specifications, [rmax, cmax]
def buildingParametres(specifications, i, n, crs = None):
"""
Generate the properties of a building in a totally random way.
"""
#-- The roof types
rooftypes = ['Flat', 'Shed', 'Hipped', 'Gabled', 'Pyramidal']
#-- Unique UUID for each building. This will later be translated to gml:id in CityGML
name = str(uuid.uuid4())
#-- Element tree, building
building = etree.SubElement(specifications, "building")
building.attrib['ID'] = name
#-- Footprint shape. Only rectangular supported at the moment
footprintShape = etree.SubElement(building, "footprint")
footprintShape.text = "Rectangular"
#-- Origin of each building in the global system
origin = etree.SubElement(building, "origin")
o = arranger(i, n, crs)
origin.text = str(o[0]) + " " + str(o[1]) + " " + str(o[2])
#-- Order of the building in the grid
order = o[3]
orderXML = etree.SubElement(building, "order")
orderXML.text = str(o[3][0]) + " " + str(o[3][1])
#-- Angle of building in degrees (2D plane)
angle = etree.SubElement(building, "rotation")
if ROTATIONENABLED:
angle.text = str(round(random.uniform(-45.0, 45.0), 2))
else:
angle.text = '0'
#-- Randomise dimensions of the building body (width, length) in metres
xs = round(random.uniform(3, 10), 2)
ys = round(random.uniform(3, 10), 2)
#-- Randomise the number of storeys and their height
floors = random.randint(1, 5)
floorHeight = round(random.uniform(3.0, 3.5), 2)
#-- The height is derived from the number of storeys and their height
zs = float(round(floors * floorHeight, 2))
#-- Their storage in the XML
xsize = etree.SubElement(building, "xSize")
xsize.text = str(xs)
ysize = etree.SubElement(building, "ySize")
ysize.text = str(ys)
zsize = etree.SubElement(building, "zSize")
zsize.text = str(zs)
floorsXML = etree.SubElement(building, "floors")
floorsXML.text = str(floors)
floorHeightXML = etree.SubElement(building, "floorHeight")
floorHeightXML.text = str(floorHeight)
#-- Calculate the "depth" of windows, i.e. embrasure.
#-- This is also randomised, but fixed for all windows in a building. That's why it is here.
embrasure = round(random.uniform(0.0, 0.2), 2)
embXML = etree.SubElement(building, "embrasure")
embXML.text = str(embrasure)
#-- Wall thickness (double the embrasure to be consistent)
if embrasure <= 0.10:
wallThickness = 0.20
else:
wallThickness = 2 * embrasure
wtXML = etree.SubElement(building, "wallThickness")
wtXML.text = str(wallThickness)
#-- Joist (inter-floor thickness)
joist = round(random.uniform(0.2, 0.3), 2)
joistXML = etree.SubElement(building, "joist")
joistXML.text = str(joist)
#-- Building parts (garages and alcoves)
if BUILDINGPARTS:
#-- Percent of buildings that have parts
percentParts = 80
if random.randrange(100) > percentParts:
bpartFilter = False
else:
bpartFilter = True
#-- Only large buildings may have them
if xs > 4 and ys > 8 and floors in (2, 3) and bpartFilter is True:
bpart = True
else:
bpart = False
if bpart is True:
buildingPartXML = etree.SubElement(building, "buildingPart")
#-- Garage or alcove
partType = random.choice(['Garage', 'Alcove'])
partTypeXML = etree.SubElement(buildingPartXML, "partType")
partTypeXML.text = partType
#-- Side is always at 1 (East) to make things simpler
bpartSide = 1
#-- Dimensions and type of the part
if partType == 'Garage':
xgs = round(random.uniform(2, 3), 2)
ygs = round(random.uniform(4, 5), 2)
og = round(random.uniform(0.5, 2.0), 2)
elif partType == 'Alcove':
xgs = round(random.uniform(.5, 1), 2)
ygs = round(random.uniform(1.3, 1.9), 2)
og = .5 * (ys - ygs)
gorigin = etree.SubElement(buildingPartXML, "partOrigin")
gorigin.text = str(og)
pxsize = etree.SubElement(buildingPartXML, "width")
pxsize.text = str(xgs)
pysize = etree.SubElement(buildingPartXML, "length")
pysize.text = str(ygs)
pzsize = etree.SubElement(buildingPartXML, "height")
pzsize.text = str(floorHeight)
else:
bpart = False
#-- Roof, warming up for the real stuff
roof = etree.SubElement(building, "roof")
rooftype = etree.SubElement(roof, "roofType")
#-- Choose the roof type
if floors <= 3:
rtype = random.choice(rooftypes)
#-- Buildings with 4 or more floors can have only a flat roof
else:
rtype = 'Flat'
#-- ... and store it
rooftype.text = rtype
#-- Building properties and their storage in the XML
props = etree.SubElement(building, "properties")
#-- Roof type as attribute (has to be duplicated not to mess the CityGML generator)
roofTypeAttXML = etree.SubElement(props, "roofType")
roofTypeAttXML.text = rtype
#-- Type of building
#buildingTypes = ['Residential', 'Office', 'Industrial']
percentResidential = 80
btype = etree.SubElement(props, "usage")
if random.randrange(100) > percentResidential:
btype.text = "Industrial"
else:
btype.text = "Residential"
#-- Age
currentYear = 2015
age = random.randint(1, 70)
#-- Both year and age are stored because of specific applications
yearOfConstruction = currentYear - age
ageXML = etree.SubElement(props, "age")
ageXML.text = str(age)
yocXML = etree.SubElement(props, "yearOfConstruction")
yocXML.text = str(yearOfConstruction)
#-- Roof clearance
percentClear = 50
rclear = etree.SubElement(props, "roofClearance")
if random.randrange(100) > percentClear:
rclear.text = "no"
else:
rclear.text = "yes"
#-- Building valuation
buildingValues = ['1', '2', '3', '4', '5']
bvXML = etree.SubElement(props, "valuation")
bvXML.text = random.choice(buildingValues)
#-- Roof dimensions depending on the type
if rtype == 'Flat':
pass
elif rtype == 'Shed' or rtype == 'Gabled':
#-- h is the height from the eaves
h = etree.SubElement(roof, "h")
if zs > 5.0:
h.text = str(round(random.uniform(2, 3.8), 2))
else:
h.text = str(2.8)
elif rtype == 'Hipped':
h = etree.SubElement(roof, "h")
if zs > 5.0:
h.text = str(round(random.uniform(2, 3.8), 2))
else:
h.text = str(2.8)
#-- r is not the length of the ridges. It is the length from the eave edge to the ridge
r = etree.SubElement(roof, "r")
rwidth = round(random.uniform(0.4,0.5*ys), 2)
r.text = str(rwidth)
elif rtype == 'Pyramidal':
h = etree.SubElement(roof, "h")
if zs > 5.0:
h.text = str(round(random.uniform(2, 3.8), 2))
else:
h.text = str(2.8)
#-- Since the pyramidal roof is a special variant of the hipped roof it contains r as well
r = etree.SubElement(roof, "r")
rwidth = .5 * ys
r.text = str(rwidth)
else:
raise NameError('No roof type.')
#-- Overhangs
overhangs = etree.SubElement(roof, "overhangs")
#-- Percentage of buildings having overhangs
percentOverhangs = 80
xoh = etree.SubElement(overhangs, "xlength")
yoh = etree.SubElement(overhangs, "ylength")
if random.randrange(100) > percentOverhangs:
xoh.text = "0"
yoh.text = "0"
else:
#-- Length in the west-east directions
xl = round(random.uniform(0.1, 1.0),2)
xoh.text = str(xl)
#-- Length in the north-south directions
yl = round(random.uniform(0.1, 1.0),2)
if rtype == 'Hipped' or rtype == 'Pyramidal':
#-- The hipped and pyramidal roof are a bit different. Their Y overhang length is dependant on the X value
yoh.text = str(xl)
else:
yoh.text = str(yl)
#-- Door
#-- On which side of the building to put the door?
if bpart:
doorSide = list(range(0, 4))
doorSide.pop(bpartSide)
doorSide = random.choice(doorSide)
else:
doorSide = random.randint(0, 3)
bpartSide = None
#-- Door size and coordinates
doorWidth = round(random.uniform(1.1, 1.5), 2)
doorHeight = round(random.uniform(1.9, 2.3), 2)
if doorSide == 0 or doorSide == 2:
doorRelativeOrigin = [round(random.uniform(0.1, xs-doorWidth-0.1), 2), round(random.uniform(0.1, 0.3), 2)]
else:
doorRelativeOrigin = [round(random.uniform(0.1, ys-doorWidth-0.1), 2), round(random.uniform(0.1, 0.3), 2)]
#-- Write it in the XML
door = etree.SubElement(building, "door")
doorFace = etree.SubElement(door, "wall")
doorFace.text = str(doorSide)
#-- Origin of the down left coordinate of the door
doorOrigin = etree.SubElement(door, "origin")
doorOriginX = etree.SubElement(doorOrigin, "x")
doorOriginY = etree.SubElement(doorOrigin, "y")
doorOriginX.text = str(doorRelativeOrigin[0])
doorOriginY.text = str(doorRelativeOrigin[1])
#-- Size of the door
doorSize = etree.SubElement(door, "size")
doorSizeX = etree.SubElement(doorSize, "width")
doorSizeY = etree.SubElement(doorSize, "height")
doorSizeX.text = str(doorWidth)
doorSizeY.text = str(doorHeight)
#-- Procedures for wall windows
storeyheight = floorHeight
#-- List of dictionaries
windows = []
if zs >= storeyheight:
nofloors = floors
heightOfOrigin = round(random.uniform(1, 1.5), 2)
#-- For every side on every floor
for side in range(0, 4):
#-- Fixed size windows:
widthW = round(random.uniform(0.5, 1.49), 2)
heightW = round(random.uniform(0.3, 1.49), 2)
if side == 0 or side == 2:
maxwindows = int(floor(xs / (widthW + 0.2)))
elif side == 1 or side == 3:
maxwindows = int(floor(ys / (widthW + 0.2)))
fixed = [widthW, heightW, maxwindows, heightOfOrigin]
for fl in range(1, nofloors+1):
#-- Don't put windows in the same side and on the same floor as the door to avoid overlap
if side == doorSide and fl == 1:
continue
elif bpart and side == bpartSide and fl == 1:
continue
#-- Number of windows in that wall in that floor
for result in randomwindow(side, fl, xs, ys, zs, floorHeight, fixed):
windows.append(result)
#-- Store the windows in the XML
if len(windows) > 0:
windowsXML = etree.SubElement(building, "windows")
for w in windows:
currWindow = etree.SubElement(windowsXML, "window")
currWindowSide = etree.SubElement(currWindow, "wall")
currWindowSide.text = str(w['side'])
currWindowDepth = etree.SubElement(currWindow, "depth")
currWindowDepth.text = str(embrasure)
currWindowSize = etree.SubElement(currWindow, "size")
currWindowWidth = etree.SubElement(currWindowSize, "width")
currWindowWidth.text = str(w['width'])
currWindowHeight = etree.SubElement(currWindowSize, "height")
currWindowHeight.text = str(w['height'])
currWindowOrigin = etree.SubElement(currWindow, "origin")
currWindowOriginX = etree.SubElement(currWindowOrigin, "x")
currWindowOriginX.text = str(w['originX'])
currWindowOriginY = etree.SubElement(currWindowOrigin, "y")
currWindowOriginY.text = str(w['originY'])
#-- Dormers and roof windows
#-- Only for larger buildings
if ys > 4:
#-- Random choice do we put them or not?
selection = random.randint(0, 2)
if selection == 0:
# No roof dormer or window
pass
elif selection == 1 and rtype != 'Flat': #-- Disregard flat roofs
#-- Only if height from the eaves to the top is >3.0 m
if float(h.text) > 3.0:
#-- Dormer generation
if (rtype == 'Hipped' or rtype == 'Pyramidal'):
if xs > 4:
dormers = dormer(rtype, xs, ys, zs, rwidth)
else:
dormers = []
else:
dormers = dormer(rtype, xs, ys, zs)
#-- Dormer storage
if len(dormers) > 0:
dormersXML = etree.SubElement(roof, "dormers")
for dor in dormers:
currDormer = etree.SubElement(dormersXML, "dormer")
currDormerSide = etree.SubElement(currDormer, "side")
currDormerSide.text = str(dor['side'])
currDormerSize = etree.SubElement(currDormer, "size")
currDormerWidth = etree.SubElement(currDormerSize, "width")
currDormerWidth.text = str(dor['dormerWidth'])
currDormerHeight = etree.SubElement(currDormerSize, "height")
currDormerHeight.text = str(dor['dormerHeight'])
currDormerOrigin = etree.SubElement(currDormer, "origin")
currDormerOriginX = etree.SubElement(currDormerOrigin, "x")
currDormerOriginX.text = str(dor['dormerOriginX'])
currDormerOriginY = etree.SubElement(currDormerOrigin, "y")
currDormerOriginY.text = str(dor['dormerOriginY'])
#-- Let's put a roof window instead
elif selection == 2:
rfwindows = None
if rtype == 'Hipped' or rtype == 'Pyramidal':
if float(h.text) > 3.0:
rfwindows = roofwindow(rtype, xs, ys, zs, h, rwidth)
elif rtype == 'Gabled':
if float(h.text) > 3.0:
rfwindows = roofwindow(rtype, xs, ys, zs, h)
else:
rfwindows = roofwindow(rtype, xs, ys, zs)
if rfwindows is not None and len(rfwindows) > 0:
rfwindowsXML = etree.SubElement(roof, "roofWindows")
for rfw in rfwindows:
currRfWin = etree.SubElement(rfwindowsXML, "roofWindow")
currRfWinSide = etree.SubElement(currRfWin, "side")
currRfWinSide.text = str(rfw['side'])
currRfWinSize = etree.SubElement(currRfWin, "size")
currRfWinWidth = etree.SubElement(currRfWinSize, "width")
currRfWinWidth.text = str(rfw['rfwinWidth'])
currRfWinHeight = etree.SubElement(currRfWinSize, "height")
currRfWinHeight.text = str(rfw['rfwinHeight'])
currRfWinOrigin = etree.SubElement(currRfWin, "origin")
currRfWinOriginX = etree.SubElement(currRfWinOrigin, "x")
currRfWinOriginX.text = str(rfw['rfwinOriginX'])
currRfWinOriginY = etree.SubElement(currRfWinOrigin, "y")
currRfWinOriginY.text = str(rfw['rfwinOriginY'])
else:
pass
#-- Chimneys
if ys > 5 and xs > 5:
#-- How many such buildings have the chimney
percentChimneys = 80
go = True
if (rtype == 'Hipped' or rtype == 'Pyramidal') and ((xs - 2*rwidth) < 1):
go = False
if random.randrange(100) > percentChimneys and go:
chimney = etree.SubElement(roof, "chimney")
#-- Where is the chimney located?
cside = etree.SubElement(chimney, "side")
#-- Size of the chimney
chimneySize = etree.SubElement(chimney, "size")
cwidth = round(random.uniform(0.2, 0.4), 2)
cheight = round(random.uniform(0.5, 1.5), 2)
cx = etree.SubElement(chimneySize, "width")
#cy = etree.SubElement(chimney, "ylength")
ch = etree.SubElement(chimneySize, "height")
cx.text = str(cwidth)
#cy.text = str(cwidth)
ch.text = str(cheight)
#-- Randomise position of the chimney
cOrigin = etree.SubElement(chimney, "origin")
cOriginX = etree.SubElement(cOrigin, "x")
cOriginY = etree.SubElement(cOrigin, "y")
#-- Minimum distance from the edge of the roof
edgeThreshold = 0.1
if rtype == 'Shed':
csidechoice = 1
cOriginXchoice = round(random.uniform(edgeThreshold, ys - edgeThreshold - cwidth), 2)
cOriginYchoice = xs - edgeThreshold - cwidth
elif rtype == 'Flat':
#-- Randomise the side of the roof where the chimney will be positioned
chimneyPos = random.choice([0, 1, 2, 3, 4])
csidechoice = 1
if chimneyPos == 0:
cOriginXchoice = edgeThreshold
cOriginYchoice = xs - edgeThreshold - cwidth
elif chimneyPos == 1:
cOriginXchoice = edgeThreshold
cOriginYchoice = edgeThreshold
elif chimneyPos == 2:
cOriginXchoice = ys - edgeThreshold - cwidth
cOriginYchoice = edgeThreshold
elif chimneyPos == 3:
cOriginXchoice = ys - edgeThreshold - cwidth
cOriginYchoice = xs - edgeThreshold - cwidth
elif chimneyPos == 4:
cOriginXchoice = round(float(ys)/2.0, 2) - cwidth#round(cwidth/2.0, 2)
cOriginYchoice = round(float(xs)/2.0, 2) - cwidth#round(cwidth/2.0, 2)
elif rtype == 'Gabled':
csidechoice = random.choice([1,3])
if csidechoice == 1:
cOriginXchoice = round(random.uniform(edgeThreshold, ys - edgeThreshold - cwidth), 2)
cOriginYchoice = round(float(xs)/2.0, 2) - cwidth - edgeThreshold# round(cwidth/2.0, 2) - edgeThreshold
elif csidechoice == 3:
cOriginXchoice = round(random.uniform(edgeThreshold, ys - edgeThreshold - cwidth), 2)
cOriginYchoice = round(float(xs)/2.0, 2) - cwidth - edgeThreshold#round(cwidth/2.0, 2) - edgeThreshold
elif rtype == 'Hipped' or rtype == 'Pyramidal':
csidechoice = random.choice([1,3])
if csidechoice == 1:
cOriginXchoice = round(random.uniform(rwidth + edgeThreshold, ys - rwidth - cwidth - edgeThreshold), 2)
cOriginYchoice = round(float(xs)/2.0, 2) - cwidth - edgeThreshold# round(cwidth/2.0, 2) - edgeThreshold
elif csidechoice == 3:
cOriginXchoice = round(random.uniform(rwidth + edgeThreshold, ys - rwidth - cwidth - edgeThreshold), 2)
cOriginYchoice = round(float(xs)/2.0, 2) - cwidth - edgeThreshold# - round(cwidth/2.0, 2) - edgeThreshold
cside.text = str(csidechoice)
cOriginX.text = str(cOriginXchoice)
cOriginY.text = str(cOriginYchoice)
#-- That's it for the building
#-- Return the position of the building in the grid
return o[3]
def dormer(rtype, xs, ys, zs, r=None):
"""Randomise a dormer."""
dormers = []
if rtype == 'Gabled':
#-- For smaller roofs permit one dormer on each side. For larger up to 2
if ys < 6:
nodormers = 1
else:
nodormers = random.randint(1, 2)
dormerWidth = round(random.uniform(.8,1.3), 2)
dormerHeight = round(random.uniform(1,1.2), 2)
dormerOriginY = round(random.uniform(0.3, 1.0), 2)
for i in range(0, nodormers):
if nodormers == 1:
dormerOriginX = round(float(ys)/2.0 ,2) - round(dormerWidth/2.0, 2)
elif nodormers == 2:
if i == 0:
dormerOriginX = round(float(ys)/4.0, 2) - round(dormerWidth/2.0, 2)
elif i == 1:
dormerOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(dormerWidth/2.0, 2)
thisdormer1 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 1}
thisdormer2 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 3}
dormers.append(thisdormer1)
dormers.append(thisdormer2)
elif rtype == 'Shed':
if ys < 6:
nodormers = 1
else:
nodormers = random.randint(1, 2)
dormerWidth = round(random.uniform(.8,1.3), 2)
dormerHeight = round(random.uniform(1,1.2), 2)
dormerOriginY = round(random.uniform(0.3, 1.0), 2)
for i in range(0, nodormers):
if nodormers == 1:
dormerOriginX = round(float(ys)/2.0, 2) - round(dormerWidth/2.0, 2)
elif nodormers == 2:
if i == 0:
dormerOriginX = round(float(ys)/4.0, 2) - round(dormerWidth/2.0, 2)
elif i == 1:
dormerOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(dormerWidth/2.0, 2)
thisdormer1 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 1}
dormers.append(thisdormer1)
elif rtype == 'Hipped' or rtype == 'Pyramidal':
if ys < 6:
nodormers = 1
else:
nodormers = 1#random.randint(1, 2)
dormerWidth = round(random.uniform(.8, 1.3), 2)
dormerHeight = round(random.uniform(.8, 1.0), 2)
dormerOriginY = round(random.uniform(0.3, 0.8), 2)
for i in range(0, nodormers):
if nodormers == 1:
dormerOriginX = round(float(ys)/2.0 ,2) - round(dormerWidth/2.0, 2)
elif nodormers == 2:
if i == 0:
dormerOriginX = round(float(ys)/4.0, 2) - round(dormerWidth/2.0, 2)
elif i == 1:
dormerOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(dormerWidth/2.0, 2)
thisdormer1 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 1}
thisdormer2 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 3}
dormers.append(thisdormer1)
dormers.append(thisdormer2)
if r > 1 and xs > 4:
if xs < 6:
nodormers = 1
else:
nodormers = 1 #random.randint(1, 2)
for i in range(0, nodormers):
if nodormers == 1:
dormerOriginX = round(float(xs)/2.0, 2) - round(dormerWidth/2.0, 2)
elif nodormers == 2:
if i == 0:
dormerOriginX = round(float(xs)/4.0, 2) - round(dormerWidth/2.0, 2)
elif i == 1:
dormerOriginX = round(float(xs)/2.0, 2) + round(float(xs)/4.0, 2) - round(dormerWidth/2.0, 2)
thisdormer1 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 0}
thisdormer2 = {'dormerWidth' : dormerWidth, 'dormerHeight' : dormerHeight, 'dormerOriginX': dormerOriginX, 'dormerOriginY' : dormerOriginY, 'side' : 2}
dormers.append(thisdormer1)
dormers.append(thisdormer2)
elif rtype == 'Flat':
pass
return dormers
def roofwindow(rtype, xs, ys, zs, h=None, r=None):
"""Procedural modelling of roof windows, similar as to dormers."""
roofwindow = []
if rtype == 'Gabled':
if ys < 6:
norfwins = 1
else:
norfwins = random.randint(1, 2)
if float(h.text) > 3.0:
rfwinWidth = round(random.uniform(.8,1.3), 2)
rfwinHeight = round(random.uniform(1,1.2), 2)
rfwinOriginY = round(random.uniform(0.1, 1.0), 2)
else:
rfwinWidth = round(random.uniform(.5,1.0), 2)
rfwinHeight = round(random.uniform(.5,1.0), 2)
rfwinOriginY = round(random.uniform(0.1, 0.5), 2)
for i in range(0, norfwins):
if norfwins == 1:
rfwinOriginX = round(float(ys)/2.0 ,2) - round(rfwinWidth/2.0, 2)
elif norfwins == 2:
if i == 0:
rfwinOriginX = round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
elif i == 1:
rfwinOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 1}
thisrfwin2 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 3}
roofwindow.append(thisrfwin1)
roofwindow.append(thisrfwin2)
elif rtype == 'Shed':
if ys < 6:
norfwins = 1
else:
norfwins = random.randint(1, 2)
rfwinWidth = round(random.uniform(.8,1.3), 2)
rfwinHeight = round(random.uniform(1,1.2), 2)
rfwinOriginY = round(random.uniform(0.1, 1.0), 2)
for i in range(0, norfwins):
if norfwins == 1:
rfwinOriginX = round(float(ys)/2.0 ,2) - round(rfwinWidth/2.0, 2)
elif norfwins == 2:
if i == 0:
rfwinOriginX = round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
elif i == 1:
rfwinOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 1}
roofwindow.append(thisrfwin1)
elif rtype == 'Hipped' or rtype == 'Pyramidal':
if ys < 6:
norfwins = 1
else:
norfwins = 1#random.randint(1, 2)
rfwinWidth = round(random.uniform(.8,1.3), 2)
rfwinHeight = round(random.uniform(1,1.2), 2)
rfwinOriginY = round(random.uniform(0.1, 1.0), 2)
for i in range(0, norfwins):
if norfwins == 1:
rfwinOriginX = round(float(ys)/2.0 ,2) - round(rfwinWidth/2.0, 2)
elif norfwins == 2:
if i == 0:
rfwinOriginX = round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
elif i == 1:
rfwinOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 1}
thisrfwin2 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 3}
roofwindow.append(thisrfwin1)
roofwindow.append(thisrfwin2)
if r > 1 and xs > 4:
if xs < 6:
norfwins = 1
else:
norfwins = 1 #random.randint(1, 2)
for i in range(0, norfwins):
if norfwins == 1:
rfwinOriginX = round(float(xs)/2.0, 2) - round(rfwinWidth/2.0, 2)
elif norfwins == 2:
if i == 0:
rfwinOriginX = round(float(xs)/4.0, 2) - round(rfwinWidth/2.0, 2)
elif i == 1:
rfwinOriginX = round(float(xs)/2.0, 2) + round(float(xs)/4.0, 2) - round(rfwinWidth/2.0, 2)
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 0}
thisrfwin2 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 2}
roofwindow.append(thisrfwin1)
roofwindow.append(thisrfwin2)
elif rtype == 'Flat':
if ys < 6:
norfwins = 2
else:
norfwins = random.choice([2, 4])
rfwinWidth = round(random.uniform(.8,1.2), 2)
rfwinHeight = round(random.uniform(1,1.2), 2)
rfwinOriginY = round(random.uniform(0.5, 1.0), 2)
for i in range(0, norfwins):
if norfwins == 2:
rfwinOriginX = round(float(ys)/2.0, 2) - round(rfwinWidth/2.0, 2)
if i == 0:
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 1}
elif i == 1:
rfwoy_second = float(xs) - rfwinHeight - rfwinOriginY
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwoy_second, 'side' : 1}
elif norfwins == 4:
if i == 0 or i == 2:
if i == 0:
rfwinOriginX = round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
elif i == 2:
rfwinOriginX = 3*round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwinOriginY, 'side' : 1}
elif i == 1 or i == 3:
if i == 1:
rfwinOriginX = round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)#round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
elif i == 3:
rfwinOriginX = round(float(ys)/2.0, 2) + round(float(ys)/4.0, 2) - round(rfwinWidth/2.0, 2)
rfwoy_second = float(xs) - rfwinHeight - rfwinOriginY
thisrfwin1 = {'rfwinWidth' : rfwinWidth, 'rfwinHeight' : rfwinHeight, 'rfwinOriginX': rfwinOriginX, 'rfwinOriginY' : rfwoy_second, 'side' : 1}
roofwindow.append(thisrfwin1)
return roofwindow
def randomwindow(side, fl, xs, ys, zs, floorHeight, fixed=None):
"""Randomly generate windows of a building. If fixed, use these dimensions."""
res = []
if fixed:
#-- Determine the number of windows, their origin and side
if side == 0 or side == 2:
w = {}
w['width'] = fixed[0]
w['height'] = fixed[1]
maxwindows = fixed[2]
woriginY = (fl - 1) * floorHeight + fixed[3]
nowindows = random.randint(1, maxwindows)
firstW = round((xs - maxwindows * w['width'])/float(maxwindows + 1), 2)
for i in range(1, nowindows+1):
if i == 0:
continue
w = {}
w['width'] = fixed[0]
w['height'] = fixed[1]
if nowindows > 1:
distW = round((xs - nowindows * w['width'] - 2 * firstW)/float(nowindows - 1), 2)
else:
distW = 0
w['originX'] = firstW + (i - 1) * distW + (i - 1) * w['width']
w['originY'] = woriginY
w['side'] = str(side)
res.append(w)
elif side == 1 or side == 3:
w = {}
w['width'] = fixed[0]
w['height'] = fixed[1]
maxwindows = fixed[2]
woriginY = (fl - 1) * floorHeight + fixed[3]
nowindows = random.randint(1, maxwindows)
firstW = round((ys - maxwindows * w['width'])/float(maxwindows + 1), 2)
for i in range(1, nowindows+1):
if i == 0:
continue
w = {}
w['width'] = fixed[0]
w['height'] = fixed[1]
if nowindows > 1:
distW = round((ys - nowindows * w['width'] - 2 * firstW)/float(nowindows - 1), 2)
else:
distW = 0
w['originX'] = firstW + (i - 1) * distW + (i - 1) * w['width']
w['originY'] = woriginY
w['side'] = str(side)
res.append(w)
return res
else:
raise ValueError("Not supported at the moment")
#-- Determine the number of windows
if side == 0 or side == 2:
if xs <= 3:
#-- Same originY for all windows on that side of the building on that floor
woriginY = (fl-1) * 3 + round(random.uniform(1,1.5), 2)
nowindows = random.randint(0, 1)
for i in range(0, nowindows+1):
if i == 0:
continue
w = {}
w['width'] = round(random.uniform(0.3,2), 2)
w['height'] = round(random.uniform(0.3,2), 2)
w['originX'] = round(random.uniform(0.1,xs-w['width']-0.1), 2)
w['originY'] = woriginY
w['side'] = str(side)
res.append(w)
elif xs > 3:
woriginY = (fl-1) * 3 + round(random.uniform(1,1.5), 2)
nowindows = random.randint(1, 3)
print(nowindows)
for i in range(1, nowindows+1):
if i == 0:
continue
w = {}
w['width'] = round(random.uniform(0.3,2), 2)
w['height'] = round(random.uniform(0.3,2), 2)
#w['originX'] = round(random.uniform(0.1,i*.5*(xs/float(nowindows))-w['width']-0.1), 2)
w['originX'] = round(random.uniform(0.1 + (i-1) * (xs/float(nowindows)), i*(xs/float(nowindows))-w['width']-0.1), 2)
w['originY'] = woriginY
w['side'] = str(side)
res.append(w)
elif side == 1 or side == 3:
if ys <= 3:
woriginY = (fl-1) * 3 + round(random.uniform(1,1.5), 2)
nowindows = random.randint(0, 1)
for i in range(0, nowindows+1):
if i == 0:
continue
w = {}
w['width'] = round(random.uniform(0.3,2), 2)
w['height'] = round(random.uniform(0.3,2), 2)
w['originX'] = round(random.uniform(0.1,ys-w['width']-0.1), 2)
w['originY'] = woriginY
w['side'] = str(side)
res.append(w)
elif ys > 3:
woriginY = (fl-1) * 3 + round(random.uniform(1,1.5), 2)
nowindows = random.randint(1, 3)
print(nowindows)
for i in range(1, nowindows+1):
if i == 0:
continue
w = {}
w['width'] = round(random.uniform(0.3,1.0), 2)
w['height'] = round(random.uniform(0.3,1.0), 2)
w['originX'] = round(random.uniform(0.1 + (i-1) * (ys/float(nowindows)), i*(ys/float(nowindows))-w['width']-0.1), 2)
print(i, w['originX'])
w['originY'] = woriginY
w['side'] = str(side)
res.append(w)
return res
def arranger(i, n, crs = None):
"""Arranges the location of each building."""
if crs is not None:
if crs == 'Nordoostpolder':
shiftx = 173469.0
shifty = 526427.0
else:
shiftx = 0.0
shifty = 0.0
else:
shiftx = 0.0
shifty = 0.0
"""Arrange the models in a grid."""
i += 1
if i > n:
raise NameError("i cannot be bigger than n.")
#-- Size of the grid (translate the number of buildings to a square)
gridsize = int(round(sqrt(n),0))
#-- Size of the grid cells
sx = CELLSIZE
sy = CELLSIZE
column = trunc(float(i-1)/float(gridsize))
if column > 0:
row = i % (gridsize * column + 1)
elif column == 0:
row = i - 1
return shiftx + column*sx, shifty + row*sy, 0, [column, row]
def streetgenerator(specs, CELLSIZE, grid, skipx, skipy):
"""Generate a road network. Input: size of each cell for buildings,
size of the grid, the number of streets to skip in each direction
(so not every building is bounded by four streets, looks to dense)."""
width = 5.0
separation = 1.0
row = grid[0]
col = grid[1]
networkoutline = [[-width - separation, -width - separation], [row * CELLSIZE + CELLSIZE + width, col * CELLSIZE + CELLSIZE + width]]
holes = []
for r in range(0, row+1, skipx):
for c in range(0, col+1, skipy):
p0x = r * CELLSIZE - separation
if (r + skipx) * CELLSIZE - separation - width >= row * CELLSIZE:
p1x = row * CELLSIZE + CELLSIZE
else:
p1x = (r + skipx) * CELLSIZE - separation - width
p0y = c * CELLSIZE - separation
if (c + skipy) * CELLSIZE - separation - width >= col * CELLSIZE:
p1y = col * CELLSIZE + CELLSIZE
else:
p1y = (c + skipy) * CELLSIZE - separation - width
holes.append([[p0x, p0y], [p1x, p1y]])
streetnetwork = etree.SubElement(specs, "streets")
outline = etree.SubElement(streetnetwork, "outline")
outline.text = str(networkoutline[0][0]) + ' ' + str(networkoutline[0][1]) + ' ' + str(networkoutline[1][0]) + ' ' + str(networkoutline[1][1])
holesXML = etree.SubElement(streetnetwork, "holes")
for h in holes:
hXML = etree.SubElement(holesXML, "hole")
hXML.text = str(h[0][0]) + ' ' + str(h[0][1]) + ' ' + str(h[1][0]) + ' ' + str(h[1][1])
return specs
def vegetationgenerator(specs, CELLSIZE, vgcells, n):
"""Generate vegetation (parks instead of buildings)."""
width = 5.0
separation = 1.0
height = 3.0
parks = etree.SubElement(specs, "parks")
for v in vgcells:
park = etree.SubElement(parks, "park")
parkoutline = etree.SubElement(park, "outline")
parkheight = etree.SubElement(park, "height")
parkheight.text = str(height)
o = arranger(v, n)
parkoutline.text = str(float(o[0])-separation) + ' ' + str(float(o[1])-separation) + ' ' + str(float(o[0]) + CELLSIZE - width - separation) + ' ' + str(float(o[1]) + CELLSIZE - width - separation)
return specs
#---- Program start
#-- If there is no input of the number of buildinds then default to 1000
if NUMBEROFBUILDINGS:
n = int(NUMBEROFBUILDINGS)
else:
n = 1000
#-- Where to write the XML containing building information
if FILENAME:
fname = str(FILENAME)
else:
fname = "BuildingInformation.xml"
#-- Place parks
if VEGETATION:
#- Ratio of parks in the cells
rvgs = 0.05
nvgs = int(round(rvgs * float(n), 0))
vgcells = []
allcells = list(range(n))
for vgs in range(0, nvgs):