def transformAndSwap(ZName, transName, linkFeatures, tanPlunge):
minY = 0
maxY = 0
# transform
if debug:
addMsgAndPrint(' transforming')
arcpy.TransformFeatures_edit(ZName, linkFeatures, 'SIMILARITY')
testAndDelete(transName)
arcpy.Copy_management(ZName, transName)
# swap coordinates
if debug:
addMsgAndPrint(' swapping coordinates')
geomType = arcpy.Describe(ZName).shapeType
#addMsgAndPrint(' '+geomType
if geomType == 'Point': #Point
with arcpy.da.UpdateCursor(
ZName, ['SHAPE@X', 'SHAPE@Y', 'SHAPE@Z']) as cursor:
for row in cursor:
x = row[0]
y = row[1]
z = row[2]
newY = (z + tanPlunge * y) * cosPlunge
newZ = y * cosPlunge - z * cosPlunge
if newY > maxY:
maxY = newY
elif newY < minY:
minY = newY
cursor.updateRow([x, newY, newZ])
elif geomType in ('Polygon', 'Polyline'):
with arcpy.da.UpdateCursor(ZName, ['SHAPE@', 'OBJECTID']) as cursor:
for row in cursor:
#addMsgAndPrint(str(row[0].partCount)+' parts')
#addMsgAndPrint(str(row[0].pointCount)+ ' points')
allParts = arcpy.Array()
try:
for part in row[0]:
newPart = arcpy.Array()
for pnt in part:
if pnt:
x = pnt.X
y = pnt.Y
z = pnt.Z
newY = (z + tanPlunge * y) * cosPlunge
newZ = y
if newY > maxY:
maxY = newY
elif newY < minY:
minY = newY
pnt = arcpy.Point(x, newY, newZ)
newPart.add(pnt)
allParts.add(newPart)
if geomType == 'Polygon':
plg = arcpy.Polygon(allParts)
else:
plg = arcpy.Polyline(allParts)
#addMsgAndPrint(str(plg.pointCount)+' new points')
cursor.updateRow([plg, row[1]])
except:
addMsgAndPrint('Problem. Skipping OBJECTID = ' +
str(row[1]))
return minY, maxY
#!usr/bin/python
import arcpy
import sys
# GDBworkspace = r'E:/ArcPyscript/SZCoordinateTool/test.gdb'
staticGDB = r'./static.gdb'
# saveToGDB = r'./data.gdb'
# inputFeatures = staticGDB + "\\" + 'Newpos'
inputLinkFeatures = staticGDB + "\\" + 'LinkSZto54114'
# outputBJ54 = saveToGDB + "\\" + 'result54114'
# outputWGS84 = saveToGDB + "\\" + 'result'
inputFeatures = arcpy.GetParameterAsText(0)
outputBJ54 = arcpy.GetParameterAsText(1)
outputWGS84 = arcpy.GetParameterAsText(2)
Web_Mercator = r"PROJCS['WGS_1984_Web_Mercator_Auxiliary_Sphere',GEOGCS['GCS_WGS_1984',DATUM['D_WGS_1984',SPHEROID['WGS_1984',6378137.0,298.257223563]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]],PROJECTION['Mercator_Auxiliary_Sphere'],PARAMETER['False_Easting',0.0],PARAMETER['False_Northing',0.0],PARAMETER['Central_Meridian',0.0],PARAMETER['Standard_Parallel_1',0.0],PARAMETER['Auxiliary_Sphere_Type',0.0],UNIT['Meter',1.0]]"
Beijing_1954_114 = r"PROJCS['Beijing_1954_3_Degree_GK_CM_114E',GEOGCS['GCS_Beijing_1954',DATUM['D_Beijing_1954',SPHEROID['Krasovsky_1940',6378245.0,298.3]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]],PROJECTION['Gauss_Kruger'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',0.0],PARAMETER['Central_Meridian',114.0],PARAMETER['Scale_Factor',1.0],PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]"
arcpy.env.overwriteOutput = True
arcpy.env.qualifiedFieldNames = "UNQUALIFIED"
arcpy.env.workspace = staticGDB
try:
arcpy.Copy_management(inputFeatures, outputBJ54)
arcpy.TransformFeatures_edit(outputBJ54, inputLinkFeatures, "AFFINE")
arcpy.Project_management(outputBJ54, outputWGS84, Web_Mercator, '54to84')
except arcpy.ExecuteError:
errorMsgs = arcpy.GetMessages(2)
arcpy.AddError(str(errorMsgs))
arcpy.AddMessage("Failed!")
pass
def affine_trans(entity_set1, entity_set2, text_result_file):
# Compute control points with the result of textual label match.
df_control_points = generate_control_points(entity_set1, entity_set2,
text_result_file)
# Examine whether rubber sheeting can be performed to further adjust the spatial positions of the entities.
# This also means whether entities can be overlaid.
overlaid = True
# If the number of found control points is less than 3, overlaid will be False and the return will be original
# entities.
if len(df_control_points) < 3:
overlaid = False
entity_set1 = gpd.GeoDataFrame(
pd.concat(entity_set1, ignore_index=True))
entity_set2 = gpd.GeoDataFrame(
pd.concat(entity_set2, ignore_index=True))
return entity_set1, entity_set2, overlaid
# If the number of found control points is greater than 3, affine transformation will be performed. In order to
# remove potentially wrong found control points, this process includes three steps.
# The first step is to perform an initial affine transformation.
links_sour_tar(df_control_points
) # Generate map links using all found control points.
folder_affine_trans(
'affine_trans1'
) # New a folder to store the result of affine transformation.
trans_entity_set1 = []
# Each shapefile of the first dataset will be transformed.
for i in range(len(entity_set1)):
# Copy the shapefile to be transformed.
locals()['gdf_' + str(i)] = entity_set1[i].copy()
locals().get('gdf_' + str(i)).to_file('affine_trans1/gdf_' + str(i) +
'.shp')
# Perform affine transformation.
arcpy.TransformFeatures_edit(in_features='affine_trans1/gdf_' +
str(i) + '.shp',
in_link_features="links.shp",
method='AFFINE')
trans_entity_set1.append(
gpd.read_file('affine_trans1/gdf_' + str(i) + '.shp'))
# Filter control points based on spatial distances of the control points computed with the transformed result.
trans_entity_set2 = entity_set2
df_control_points_filtered = filter_cp(trans_entity_set1,
trans_entity_set2,
df_control_points)
# Affine transformation again with filtered control points.
links_sour_tar(df_control_points_filtered)
folder_affine_trans('affine_trans2')
trans_entity_set1 = []
for i in range(len(entity_set1)):
locals()['gdf_' + str(i)] = entity_set1[i].copy()
locals().get('gdf_' + str(i)).to_file('affine_trans2/gdf_' + str(i) +
'.shp')
arcpy.TransformFeatures_edit(in_features='affine_trans2/gdf_' +
str(i) + '.shp',
in_link_features="links.shp",
method='AFFINE')
trans_entity_set1.append(
gpd.read_file('affine_trans2/gdf_' + str(i) + '.shp'))
return trans_entity_set1, trans_entity_set2, overlaid