def getOcclusionSummary(self, C):
if self._ocs:
return self._ocs
radius = 100
maxResults = 100
key = "%f,%f,%d,%d.views" % (self.lat, self.lon, radius, maxResults)
val = C.loadkey(key)
if val:
self._ocs = val
else:
conn = ddObject()
result = ddGetViews(conn,
self.lat,
self.lon,
radius=radius,
maxResults=maxResults)
summary = []
for i, r in enumerate(result):
item = {
'loc': r['view-location'],
'dir': r['view-direction'],
'occ': r['is-known-occluded'],
'id': r['id']
}
summary.append(item)
self._ocs = OcclusionSummary(summary)
C.savekey(key, self._ocs)
return self._ocs
def get_spots_in_square(lat, lon, halflength, x, y):
#fetches views within square centered at specified lat,lon and halflength.
#x,y specifies width and height of fetched views.
center = earthMine.ddLocation(lat, lon)
print "Getting list of views within {rad} meters...".format(rad=halflength)
conn = earthMine.ddObject()
r=100
#makes this large enough given r
MAXPERQUERY=1000
if halflength <= r:
views = earthMine.getFrontalViews(conn, lat, lon, halflength, maxResults=MAXPERQUERY, width=x, height=y)
else:
#Generate other centers...
#Throw down a square, sprinkle centers over it...
maxLat = earthMine.moveLocation(center, halflength, 0)["lat"]
minLon = earthMine.moveLocation(center, halflength, 270)["lon"]
N = int(math.ceil(halflength/r))
M = N-1
centers=[]
#Major Grid = upper left corner
majstart = earthMine.ddLocation(maxLat, minLon)
minstart = earthMine.moveLocation(majstart, r*math.sqrt(2), 135)
for i in range(N):
for j in range(N):
centers.append(earthMine.moveLocation(majstart, r*2*j, 90)) #Move east
majstart = earthMine.moveLocation(majstart, r*2, 180) #Move south
#Minor Grid
for i in range(M):
for j in range(M):
centers.append(earthMine.moveLocation(minstart, r*2*j, 90))
minstart = earthMine.moveLocation(minstart, r*2, 180)
#DL all views
iviews = []
for c in centers:
iviews.extend(earthMine.getFrontalViews(conn, c["lat"], c["lon"], r, maxResults=MAXPERQUERY, FOV=60.0, width=x,height=y))
#Process list, kill duplicates
#Easiest way: two lists, one without dupes.
views = []
for v in iviews:
#Not a duplicate?
dup=False
for i in views:
if v["view-location"]== i["view-location"]:
dup=True
break
if not dup:
views.append(v)
print "Found {0} bubbles...".format(len(views))
return views
def getOcclusionSummary(self, C):
if self._ocs:
return self._ocs
radius = 100
maxResults = 100
key = "%f,%f,%d,%d.views" % (self.lat, self.lon, radius, maxResults)
val = C.loadkey(key)
if val:
self._ocs = val
else:
conn = ddObject()
result = ddGetViews(conn, self.lat, self.lon, radius=radius, maxResults=maxResults)
summary = []
for i, r in enumerate(result):
item = {
'loc': r['view-location'],
'dir': r['view-direction'],
'occ': r['is-known-occluded'],
'id': r['id']
}
summary.append(item)
self._ocs = OcclusionSummary(summary)
C.savekey(key, self._ocs)
return self._ocs
def get_cell(lat, lon, halflength, outdir, imagesPerBubble=12):
spots = get_spots_in_square(lat, lon, halflength, x=earthMine.DEFWIDTH, y=earthMine.DEFHEIGHT)
#Generate directory from LAT, LON, r
DIRNAME = os.path.join(outdir, str(lat)+"," + str(lon)+"," + str(halflength))
print "Making directory: "+DIRNAME
if not os.path.exists(DIRNAME):
try:
os.makedirs(DIRNAME)
except Exception:
print "Error making directory...quitting..."
return
print "Made directory: "+DIRNAME
#Write out all the view info so we can go get things later if need be:
f = open(os.path.join(DIRNAME,"spots.bin"), "wb")
cPickle.dump(spots, f)
f.close()
print "Wrote {0} views to {1}...".format(len(spots), os.path.join(DIRNAME,"views.bin"))
conn = earthMine.ddObject()
for spot in spots:
views = earthMine.buildCylinderFromView(conn, spot, imagesPerBubble)
earthMine.saveViews(views, DIRNAME)
print "Images are stored in ./"+DIRNAME
return