Mercurial > dive4elements > river

annotate flys-backend/contrib/shpimporter/hws.py @ 4991:b79eb203032d dami

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SCHEMA CHANGE: added 'ON DELETE CASCADE' where necessary to delete complete rivers (only in Postgres-Schema so far)
author Tom Gottfried <tom.gottfried@intevation.de>
date Thu, 14 Feb 2013 17:36:10 +0100
parents 7323847fa7df
children baa32f1df47d
rev   line source
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37fa93f65971 (importer) Add classes for hws_points and hws_lines
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parents: 3654
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1 # -*- coding: utf-8 -*-
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2 import os
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3
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4 try:
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5 from osgeo import ogr
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6 except ImportErrror:
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7 import ogr
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8
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9 from importer import Importer
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10 import utils
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11
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12 PATH="Hydrologie/HW-Schutzanlagen"
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13 NAME="HWS"
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14
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15 # Keep in sync with hws_kinds table:
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16 HWS_KIND = {
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17 "Durchlass" : 1,
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18 "Damm" : 2,
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19 "Deich" : 2,
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20 "Hochufer" : 2,
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21 "Graben" : 3,
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22 }
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23
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24 # Keep in sync with fed_states table:
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25 FED_STATES = {
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26 "Bayern" : 1,
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27 "Hessen" : 2,
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28 "Niedersachsen" : 3,
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29 "Nordrhein-Westfalen" : 4,
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30 "Nordrhein Westfalen" : 4,
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31 "Rheinland-Pfalz" : 5,
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32 "Rheinland Pfalz" : 5,
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33 "Saarland" : 6,
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34 "Schleswig-Holstein" : 7,
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35 "Schleswig Holstein" : 7,
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36 "Brandenburg" : 8,
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37 "Mecklenburg-Vorpommern" : 9,
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38 "Mecklenburg Vorpommern" : 9,
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39 "Thüringen" : 10,
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40 "Baden-Württemberg" : 11,
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41 "Baden Württemberg" : 11,
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42 "Sachsen-Anhalt" : 12,
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43 "Sachsen Anhalt" : 12,
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44 "Sachsen" : 13,
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45 "Berlin" : 14,
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46 "Bremen" : 15,
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47 "Hamburg" : 16,
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48 }
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49
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50 class HWSPoints(Importer):
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51 fieldmap = {
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52 "name$" : "name",
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53 "quelle$" : "source",
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54 "anmerkung$" : "description",
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55 "stand$" : "status_date",
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56 "verband$" : "agency",
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57 "Deich_{0,1}KM$" : "dike_km",
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58 "Bereich$" : "range",
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59 "H[oeö]{0,2}he_{0,1}SOLL$" : "z_target",
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60 "(WSP_){0,1}BfG_{0,1}100$" : "rated_level",
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61 "H[oeö]{0,2}he_{0,1}IST$" : "z",
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62 }
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63
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64 def getPath(self, base):
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65 return "%s/%s" % (base, PATH)
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66
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67 def getTablename(self):
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68 return "hws_points"
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69
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70 def getName(self):
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71 return "HWS_POINTS"
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72
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73 def isGeometryValid(self, geomType):
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74 return geomType == ogr.wkbPoint or geomType == ogr.wkbPoint25D
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75
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76 def isShapeRelevant(self, name, path):
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77 shp = ogr.Open(path)
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78 return self.isGeometryValid(shp.GetLayerByName(name).GetGeomType())
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79
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80 def createNewFeature(self, featureDef, feat, **args):
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81 newFeat = ogr.Feature(featureDef)
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82 geometry = feat.GetGeometryRef()
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83 geometry.SetCoordinateDimension(2)
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84
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85 self.copyFields(feat, newFeat, self.fieldmap)
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86
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87 newFeat.SetGeometry(geometry)
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88
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89 newFeat.SetField("ogr_fid", feat.GetFID())
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90 artname = self.searchField("art$")
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91 if self.IsFieldSet(feat, artname):
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92 self.handled(artname)
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93 kind_id = HWS_KIND.get(feat.GetField(artname))
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94 if not kind_id:
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95 print ("Unknown Art: %s" % \
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96 feat.GetField(artname))
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97 else:
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98 newFeat.SetField("kind_id", kind_id)
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99
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100 fname = self.searchField("Bundesland$")
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101 if self.IsFieldSet(feat, fname):
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102 self.handled(fname)
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103 fed_id = FED_STATES.get(feat.GetField(fname))
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104
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105 if not fed_id:
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106 print ("Unknown Bundesland: %s" % \
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107 feat.GetField("Bundesland"))
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108 else:
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109 newFeat.SetField("fed_state_id", fed_id)
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110
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111 fname = self.searchField("(ufer$)|(flussseite$)")
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112 if self.IsFieldSet(feat, fname):
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113 self.handled(fname)
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114 shoreString = feat.GetField(fname)
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115 if "links" in shoreString.lower():
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116 newFeat.SetField("shore_side", True)
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117 elif "rechts" in shoreString.lower():
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118 newFeat.SetField("shore_side", False)
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119
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120
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121 fname = self.searchField("river_{0,1}id$")
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122 if self.IsFieldSet(feat, fname):
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123 self.handled(fname)
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124 if feat.GetField(fname) != self.river_id:
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125 print ("River_id mismatch between shapefile and"
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126 " importer parameter.")
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127 newFeat.SetField("river_id", feat.GetField(fname))
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128 else:
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129 newFeat.SetField("river_id", self.river_id)
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130
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131 fname = self.searchField("name$")
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132 if not self.IsFieldSet(feat, fname):
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133 newFeat.SetField("name", args['name'])
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134
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135 fname = self.searchField("offiziell$")
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136 if self.IsFieldSet(feat, fname):
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137 self.handled(fname)
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138 offiziell = feat.GetField(fname)
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139 if offiziell == "1" or offiziell == 1:
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140 newFeat.SetField("offiziell", True)
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141 else:
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142 newFeat.SetField("offiziell", False)
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143
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144 if self.IsFieldSet(newFeat, "z") and \
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145 self.IsFieldSet(newFeat, "rated_level"):
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146 fname = self.searchField("freibord(_m){0,1}$")
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147 self.handled(fname)
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148 z = newFeat.GetFieldAsDouble("z")
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149 rl = newFeat.GetFieldAsDouble("rated_level")
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150 newFeat.SetField("freeboard", z - rl)
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151
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152 return newFeat
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153
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154 class HWSLines(HWSPoints):
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155
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156 # TODO: GEOM_target, GEOM_rated_level, dike_km_from, dike_km_to
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157 fieldmap = {
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158 "name$" : "name",
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159 "quelle$" : "source",
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160 "anmerkung$" : "description",
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161 "stand$" : "status_date",
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162 "verband$" : "agency",
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163 "Bereich$" : "range",
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164 }
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165
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166 def getPath(self, base):
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167 return "%s/%s" % (base, PATH)
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168
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169 def getTablename(self):
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170 return "hws_lines"
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171
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172 def getName(self):
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173 return "HWS_LINES"
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174
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175 def isGeometryValid(self, geomType):
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176 return geomType == ogr.wkbLineString or geomType == ogr.wkbLineString25D
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177
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178 def isShapeRelevant(self, name, path):
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179 shp = ogr.Open(path)
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180 return self.isGeometryValid(shp.GetLayerByName(name).GetGeomType())
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181
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182 def createNewFeature(self, featureDef, feat, **args):
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183 newFeat = HWSPoints.createNewFeature(self, featureDef, feat, **args)
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184 geometry = feat.GetGeometryRef()
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185 geometry.SetCoordinateDimension(3)
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186 newFeat.SetGeometry(geometry)
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187
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188 return newFeat
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189
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190
http://dive4elements.wald.intevation.org