forked from bmulcahy/WSEL-Python-Tool
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WSEL_Step_1.py
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WSEL_Step_1.py
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from __future__ import print_function
import sys, os, re, arcpy, traceback
from arcpy import env
from arcpy.sa import *
from Safe_Print import Safe_Print
### Created by Brian Mulcahy##
class WSEL_Step_1:
def __init__(self, config, streams):
self.streams = streams
self.config = config
arcpy.CheckOutExtension("3D")
def __enter__(self):
self.scratch = self.config['scratch']
self.table_folder =self.config['table_folder']
self.scratchgdb = self.config['scratchgdb']
self.xs_original = self.config['xs_original']
self.output_workspace = self.config['output_workspace']
self.xs_dataset = self.config['xs_dataset']
self.streams_original = self.config['streams_original']
self.flood_original =self.config['flood_original']
self.xs_intersect_dataset = self.config['xs_intersect_dataset']
self.streams_intersect_dataset = self.config['streams_intersect_dataset']
self.routes_dataset = self.config['routes_dataset']
self.streams_dataset = self.config['streams_dataset']
self.vertices_dataset = self.config['vertices_dataset']
self.streams_zm =self.config['streams_zm']
self.sr = self.config['sr']
self.multi=self.config['multiproc']
self.modelbuilder=self.config['modelbuilder']
self.print_config = {'multi': self.multi, 'modelbuilder': self.modelbuilder}
self.safe_print = Safe_Print(self.print_config)
env.workspace = self.scratch
#env.parallelProcessingFactor = "4"
env.overwriteOutput = True
env.MResolution = 0.0001
env.MDomain = "0 10000000"
env.outputMFlag = "Enabled"
env.outputZFlag = "Enabled"
return self
def __exit__(self, type, value, traceback):
return
def get_intersection(self, stream, xs, name):
self.safe_print.print_out("Getting Intersection between "+name+"'s Stream and XS files")
inFeatures = [stream, xs]
intersectOutput = self.xs_intersect_dataset+"/"+name+"_xs_pt"
clusterTolerance = 0
pt = arcpy.Intersect_analysis(inFeatures, intersectOutput, "ALL", clusterTolerance, "POINT")
self.feature = arcpy.FeatureToPoint_management(pt, self.xs_intersect_dataset+"/"+name+"_xs_pt_feature","CENTROID")
arcpy.Delete_management(pt)
return self.feature
def add_routes(self,stream,xs_pt,name,status):
rid = "Route_ID"
if status == 0:
self.safe_print.print_out("Adding Z-values to Polyline ZM")
mfield="WSEL"
pts = xs_pt
if status == 1:
self.safe_print.print_out("Adding M-values to Polyline ZM")
mfield ="XS_Station"
#need to add 0 station at beginning of line becuase the beginning of the stream line needs to match exactly
stationList = [r[0] for r in arcpy.da.SearchCursor (xs_pt, [mfield])]
min_station = min(stationList)
if min_station > 0:
self.safe_print.print_out("Creating zero station before processing")
pts = self.add_zero_station(stream, xs_pt,min_station,name)
out_fc = self.routes_dataset+"/"+name+"_stream_routes"
rts = stream
out_routes = self.routes_dataset+"/stream_measures"
route_evt_layer_temp =name+"_evt_lyr"
route_evt_layer= self.scratch+"\\"+name+"_evt"
props = "RID POINT MEAS"
out_table =self.table_folder+"\\route_loc.dbf"
route_meas = arcpy.CreateRoutes_lr(rts, rid, out_routes,"LENGTH", "#", "#", "UPPER_LEFT",1,0,"IGNORE", "INDEX")
loc_features = arcpy.LocateFeaturesAlongRoutes_lr(pts, route_meas, rid, "0", out_table, props, 'FIRST', 'NO_DISTANCE','NO_ZERO','FIELDS')
evt_lyr = arcpy.MakeRouteEventLayer_lr(route_meas, rid, loc_features, props, route_evt_layer_temp, "#", "NO_ERROR_FIELD", "NO_ANGLE_FIELD","NORMAL","ANGLE", "LEFT", "POINT")
lyr = arcpy.SaveToLayerFile_management(evt_lyr, route_evt_layer, "RELATIVE")
if status == 0:
routes = arcpy.CalibrateRoutes_lr (route_meas, rid, lyr, rid, mfield, out_fc,"MEASURES","0","BETWEEN","BEFORE","AFTER","IGNORE","KEEP","INDEX")
else:
routes = arcpy.CalibrateRoutes_lr (route_meas, rid, lyr, rid, mfield, out_fc,"MEASURES","0","BETWEEN","NO_BEFORE","AFTER","IGNORE","KEEP","INDEX")
arcpy.Delete_management(loc_features)
arcpy.Delete_management(route_meas)
arcpy.Delete_management(lyr)
return routes
def add_zero_station(self, stream, xs_pt, min_station, name):
tempLayer="min_stationxs"
temp_pt_Layer="zero_station"
keep_fields = [f.name for f in arcpy.ListFields(xs_pt)]
fieldName = "XS_Station"
fieldName2 = "OBJECTID"
sqlExp = "{0} = {1}".format(fieldName, min_station)
sqlExp2 = "'{0}'".format(name)
arcpy.MakeFeatureLayer_management(xs_pt, tempLayer)
arcpy.SelectLayerByAttribute_management(tempLayer, "NEW_SELECTION", sqlExp)
pts = arcpy.FeatureVerticesToPoints_management(stream, self.vertices_dataset+'/'+name+"_endpts","BOTH_ENDS")
stream_startend= arcpy.FeatureToPoint_management(pts,self.vertices_dataset+'/'+ name+"_endpts_feature","CENTROID")
arcpy.Delete_management(pts)
arcpy.Near_analysis(tempLayer, stream_startend)
start_oid =[r[0] for r in arcpy.da.SearchCursor (xs_pt,("NEAR_FID"),where_clause=sqlExp)][0]
sqlExp3 = "{0} <> {1}".format(fieldName2, start_oid)
arcpy.MakeFeatureLayer_management(stream_startend, temp_pt_Layer)
arcpy.SelectLayerByAttribute_management(temp_pt_Layer, "NEW_SELECTION", sqlExp3)
if int(arcpy.GetCount_management(temp_pt_Layer).getOutput(0)) > 0:
arcpy.DeleteFeatures_management(temp_pt_Layer)
arcpy.AddField_management(stream_startend,'XS_Station',"FLOAT")
arcpy.CalculateField_management(stream_startend, 'XS_Station', 0, "VB")
arcpy.AddField_management(stream_startend,'Route_ID',"TEXT","","",50)
arcpy.CalculateField_management(stream_startend, 'Route_ID', sqlExp2, "PYTHON")
stream_start =[r for r in arcpy.da.SearchCursor (stream_startend,("Route_ID","XS_Station","Shape@XY","Shape@Z","Shape@M"))]
cursor = arcpy.da.InsertCursor(xs_pt, ("Route_ID","XS_Station","Shape@XY","Shape@Z","Shape@M"))
for row in stream_start:
cursor.insertRow(row)
fields = [f.name for f in arcpy.ListFields(xs_pt) if not f.required and f.name not in keep_fields ]
arcpy.DeleteField_management(xs_pt, fields)
return xs_pt
def vertices_to_pts(self, feature,name):
pts = arcpy.FeatureVerticesToPoints_management(feature, self.vertices_dataset+'/'+name+"_pts","ALL")
self.verticies = arcpy.FeatureToPoint_management(pts,self.vertices_dataset+'/'+ name+"_vertices_feature","CENTROID")
arcpy.Delete_management(pts)
return self.verticies
def processStream(self):
all_streams = self.streams
env.overwriteOutput = True
for streams in all_streams:
name = streams
self.safe_print.print_out("Step 1 processing "+name)
stream = self.streams_dataset+"\\"+name+"_stream_feature"
xs = self.xs_dataset+'\\'+ name+'_xs'
xs_intersect_pt = self.get_intersection(stream, xs, name)
keep_fields = [f.name for f in arcpy.ListFields(stream)]
routes = self.add_routes(stream, xs_intersect_pt, name, 0)
streampt = self.vertices_to_pts(routes, name+'_stream')
streamxy = arcpy.AddXY_management(streampt)
dpts = arcpy.FeatureTo3DByAttribute_3d(streamxy, self.streams_zm+'/'+ name+"_pts_temp", 'POINT_M')
dpts_clean = arcpy.FeatureToPoint_management(dpts, self.streams_zm+'/'+ name+"_pts_zm","CENTROID")
arcpy.Delete_management(dpts)
streamline = arcpy.PointsToLine_management(dpts_clean, self.streams_zm+'/'+ name+"_line_zm")
updated_stream = arcpy.SpatialJoin_analysis(streamline, stream, self.streams_zm+'/'+ name+"_zm")
fields = [f.name for f in arcpy.ListFields(updated_stream) if not f.required and f.name not in keep_fields ]
arcpy.DeleteField_management(updated_stream, fields)
routes = self.add_routes(updated_stream,xs_intersect_pt, name, 1)
streampt = self.vertices_to_pts(routes, name+'_stream')
streamxy = arcpy.AddXY_management(streampt)
arcpy.DeleteField_management(routes, fields)
return