def __init__(self, quadTreeId, image, transformDict):
self.quadTreeId = quadTreeId
self.image = image
self.transform = transform.makeTransform(transformDict)
corners = getImageCorners(self.image)
self.mercatorCorners = [
self.transform.forward(corner) for corner in corners
]
if 0:
# debug getProjectiveInverse
print >> sys.stderr, 'mercatorCorners:', self.mercatorCorners
corners2 = [
self.transform.reverse(corner)
for corner in self.mercatorCorners
]
print >> sys.stderr, 'zip:', zip(corners, corners2)
for i, pair in enumerate(zip(corners, corners2)):
c1, c2 = pair
print >> sys.stderr, i, numpy.array(c1) - numpy.array(c2)
imageEdgePoints = fillEdges(corners, 5)
self.mercatorEdgePoints = [
self.transform.forward(edgePoint) for edgePoint in imageEdgePoints
]
bounds = Bounds()
for edgePoint in self.mercatorEdgePoints:
bounds.extend(edgePoint)
self.maxZoom = calculateMaxZoom(bounds, self.image)
self.tileBounds = {}
def __init__(self, quadTreeId, image, transformDict):
self.quadTreeId = quadTreeId
self.image = image
self.transform = transform.makeTransform(transformDict)
corners = getImageCorners(self.image)
self.mercatorCorners = [self.transform.forward(corner)
for corner in corners]
if 0:
# debug getProjectiveInverse
print >> sys.stderr, 'mercatorCorners:', self.mercatorCorners
corners2 = [self.transform.reverse(corner)
for corner in self.mercatorCorners]
print >> sys.stderr, 'zip:', zip(corners, corners2)
for i, pair in enumerate(zip(corners, corners2)):
c1, c2 = pair
print >> sys.stderr, i, numpy.array(c1) - numpy.array(c2)
imageEdgePoints = fillEdges(corners, 5)
self.mercatorEdgePoints = [self.transform.forward(edgePoint)
for edgePoint in imageEdgePoints]
bounds = Bounds()
for edgePoint in self.mercatorEdgePoints:
bounds.extend(edgePoint)
self.maxZoom = calculateMaxZoom(bounds, self.image)
self.tileBounds = {}
def findNearbyManualResults(self, timestamp, maxTimeDiff, missionIn=None):
'''Find all manual registration results near a certain time.'''
# Fetch results from manual table in the DB
results = dict()
cmd = (
'SELECT over.extras, image.issMRF FROM geocamTiePoint_overlay over'
+ ' INNER JOIN geocamTiePoint_imagedata image' +
' ON over.imageData_id = image.id')
print cmd
rows = self._executeCommand(cmd)
TIME_FORMAT = "%Y-%m-%d %H:%M:%S"
timeIn = datetime.datetime.strptime(timestamp, TIME_FORMAT)
# Check each result for time distance
for row in rows:
try:
# Restrict to the mission if it was provided
mission, roll, frame = self._MRFToMissionRollFrame(row[1])
if missionIn and (mission != missionIn):
continue
# Unpack all the text data
data = json.loads(row[0])
# Convert and compare the timestamps
acqDate = data['acquisitionDate']
acqTime = data['acquisitionTime']
timeString = acqDate.replace('/', '-') + ' ' + acqTime
timeRow = datetime.datetime.strptime(timeString, TIME_FORMAT)
diffSeconds = abs((timeIn - timeRow).total_seconds())
print row[1] + ' --> ' + str(diffSeconds / 60.0)
if diffSeconds > maxTimeDiff:
continue
# If the time is in range then we will use the result
confidence = registration_common.CONFIDENCE_HIGH
imageToProjectedTransform = transform.makeTransform(
data['transform'])
(imageInliers,
gdcInliers) = self.parseManualEntryPointPairs(data)
results[frame] = (imageToProjectedTransform, confidence,
imageInliers, gdcInliers)
except: # For now just ignore failing entries
pass
return results
def overlayIdJson(request, key):
if request.method == 'GET':
overlay = get_object_or_404(Overlay, key=key)
return HttpResponse(dumps(overlay.jsonDict), content_type='application/json')
elif request.method in ('POST', 'PUT'):
overlay = get_object_or_404(Overlay, key=key)
overlay.jsonDict = json.loads(request.raw_post_data)
transformDict = overlay.extras.get('transform')
if transformDict:
overlay.extras.bounds = (quadTree.imageMapBounds
(overlay.extras.imageSize,
transform.makeTransform(transformDict)))
overlay.generateAlignedQuadTree()
overlay.save()
return HttpResponse(dumps(overlay.jsonDict), content_type='application/json')
elif request.method == 'DELETE':
get_object_or_404(Overlay, pk=key).delete()
return HttpResponse("OK")
else:
return HttpResponseNotAllowed(['GET', 'POST', 'PUT', 'DELETE'])
def reversePts(self, toPts):
"""
Helper needed for fitRpcToModel.
Does v = T(u).
@v is a 3 x n matrix of n 3D points in WGS84 (lon, lat, alt)
@u is a 2 x n matrix of n 2D points in image (px, py)
"""
transformDict = json.loads(self.transform)
tform = transform.makeTransform(transformDict)
pixels = None
for column in toPts.T:
# convert column (3D pts in WGS84) to gmap meters
lonlat = column[:2]
gmap_meters = transform.lonLatToMeters(lonlat)
px, py = tform.reverse(gmap_meters)
newCol = np.array([[px],[py]])
if pixels is None:
pixels = newCol
else:
pixels = np.column_stack((pixels, newCol))
return pixels
def generateGeotiffExport(self, exportName, metaJson, slug):
"""
This generates a geotiff from RPC.
"""
overlay = Overlay.objects.get(alignedQuadTree = self)
imageSizeType = overlay.imageData.sizeType
now = datetime.datetime.utcnow()
timestamp = now.strftime('%Y-%m-%d-%H%M%S-UTC')
# get image width and height
imageWidth = overlay.imageData.width
imageHeight = overlay.imageData.height
# update the center point with current transform and use those values
transformDict = overlay.extras.transform
tform = transform.makeTransform(transformDict)
center_meters = tform.forward([imageWidth / 2, imageHeight / 2])
clon, clat = transform.metersToLatLon(center_meters)
# get the RPC values
T_rpc = rpcModel.fitRpcToModel(self.reversePts,
imageWidth, imageHeight,
clon, clat)
srs = gdalUtil.EPSG_4326
# get original image
imgPath = overlay.getRawImageData().image.url.replace('/data/', settings.DATA_ROOT)
# reproject and tar the output tiff
geotiffExportName = exportName + ('-%s-geotiff_%s' % (imageSizeType, timestamp))
geotiffFolderPath = settings.DATA_ROOT + 'geocamTiePoint/export/' + geotiffExportName
dosys('mkdir %s' % geotiffFolderPath)
fullFilePath = geotiffFolderPath + '/' + geotiffExportName +'.tif'
gdalUtil.reprojectWithRpcMetadata(imgPath, T_rpc.getVrtMetadata(), srs, fullFilePath)
geotiff_writer = quadTree.TarWriter(geotiffExportName)
arcName = geotiffExportName + '.tif'
geotiff_writer.writeData('meta.json', dumps(metaJson))
geotiff_writer.addFile(fullFilePath, geotiffExportName + '/' + arcName) # double check this line (second arg may not be necessary)
self.geotiffExportName = '%s.tar.gz' % geotiffExportName
self.geotiffExport.save(self.geotiffExportName,
ContentFile(geotiff_writer.getData()))
def overlayIdJson(request, key):
if request.method == 'GET':
overlay = get_object_or_404(Overlay, key=key)
return HttpResponse(dumps(overlay.jsonDict),
content_type='application/json')
elif request.method in ('POST', 'PUT'):
overlay = get_object_or_404(Overlay, key=key)
overlay.jsonDict = json.loads(request.raw_post_data)
transformDict = overlay.extras.get('transform')
if transformDict:
overlay.extras.bounds = (quadTree.imageMapBounds(
overlay.extras.imageSize,
transform.makeTransform(transformDict)))
overlay.generateAlignedQuadTree()
overlay.save()
return HttpResponse(dumps(overlay.jsonDict),
content_type='application/json')
elif request.method == 'DELETE':
get_object_or_404(Overlay, pk=key).delete()
return HttpResponse("OK")
else:
return HttpResponseNotAllowed(['GET', 'POST', 'PUT', 'DELETE'])