def loadLines(layer,api):
""" The function to load line and polygon vector inside OSM DB
layer = OGR layer object
api = PythonOsmApi object
"""
fields = funct.fieldsName(layer)
feature = layer.GetNextFeature()
listAllNodes = []
while feature:
geomFeat = feature.GetGeometryRef()
tags = funct.tagDef(feature,fields)
if geomFeat.GetGeometryType() == 3:
tags[unicode('area')] = unicode('yes')
listNodes = createListNodes(geomFeat)
correctEndNodes(listNodes,geomFeat,api)
wayDef = {unicode('nd'):listNodes, unicode('tag'):tags}
api.WayCreate(wayDef)
feature=layer.GetNextFeature()
api.flush()
def loadPoint(layer, api):
""" The function to load point vector inside OSM DB
layer = OGR layer object
api = PythonOsmApi object
"""
# fields name of input vector
fields = funct.fieldsName(layer)
# loop inside the feature
feature = layer.GetNextFeature()
# first id for (after it will be sobstitute on osmdb
iD = -1
n_feature = 0
while feature:
# define the tags for the feature
tags = funct.tagDef(feature, fields)
# get the geometry of the feature
geom = feature.GetGeometryRef()
# get osm data near the feature (look function getMapData)
osmData = funct.getMapData(geom, api)
# from osm data extract only point
pointData = funct.getPointData(osmData)
# made some control to search if feature already exist on osm db
if checkNewPoint(geom, tags, pointData):
# if the function return true it create the new point
nodeDef = {
unicode("id"): iD,
unicode("lon"): geom.GetX(),
unicode("lat"): geom.GetY(),
unicode("tag"): tags,
}
api.NodeCreate(nodeDef)
n_feature += 1
iD = iD - 1
feature = layer.GetNextFeature()
# load data on OSM database
api.flush()
return n_feature