Traceback (most recent call last):
File "<string>", line 95, in execute
TypeError: cannot alter multipart geometry type
I am getting the above error for my .pyt toolbox. The Toolbox takes a Polyline feature, finds the point between the start and end point of the polyline and is supposed to output a point feature class. I am not sure what is going wrong.
code:
## EDITS MADE BASED OFF COMMENTS, STILL THE SAME ERROR
import arcpy
import os
class Toolbox(object):
def __init__(self):
"""Define the toolbox (the name of the toolbox is the name of the
.pyt file)."""
self.label = "Create Door Centroids 2"
self.alias = "Create Door Centroids 2"
# List of tool classes associated with this toolbox
self.tools = [Centroid]
class Centroid(object):
def __init__(self):
"""Define the tool (tool name is the name of the class)."""
self.label = "Create Door Centroids"
self.description = "Create Door Centroids"
self.canRunInBackground = False
def getParameterInfo(self):
"""Define parameter definitions"""
door_layer = arcpy.Parameter(
displayName="Door Feature Layer (LINE)",
name="door_fc",
datatype="GPFeatureLayer",
parameterType="Required",
direction="Input"
)
door_layer.filter.list = ['LINE']
centroid_layer = arcpy.Parameter(
displayName="Door Centroid Feature Layer (Output)",
name="doors_fc",
datatype="GPFeatureLayer",
parameterType="Required",
direction="Output"
)
centroid_layer.filter.list = ['POINT']
params = [door_layer, centroid_layer]
return params
def isLicensed(self):
"""Set whether tool is licensed to execute."""
return True
def updateParameters(self, parameters):
"""Modify the values and properties of parameters before internal
validation is performed. This method is called whenever a parameter
has been changed."""
return
def updateMessages(self, parameters):
"""Modify the messages created by internal validation for each tool
parameter. This method is called after internal validation."""
return
def execute(self, parameters, messages):
"""The source code of the tool."""
door_layer = parameters[0].valueAsText
outFC = parameters[1].valueAsText
spatial_reference = arcpy.Describe(door_layer).spatialReference
# create output feature class
out_name = os.path.basename(outFC)
out_path = os.path.dirname(outFC)
arcpy.management.CreateFeatureclass(out_path, out_name, "POLYLINE", None, "DISABLED", "DISABLED", spatial_reference)
# add field
arcpy.management.AddField(outFC, "floor_id", "TEXT")
arcpy.management.AddField(outFC, "room_type", "TEXT")
with arcpy.da.InsertCursor(outFC, [ "SHAPE@", "floor_id", "room_type"]) as icursor:
with arcpy.da.SearchCursor(door_layer, [ "OID@", "SHAPE@","FIRST_floor_id", "FIRST_room_type",]) as scursor:
for row in scursor:
door_line = row[1]
point1 = door_line.firstPoint
point2 = door_line.lastPoint
x1 = point1.X
y1 = point2.Y
x2 = point2.X
y2 = point2.Y
newX = (x1+x2)/2
newY = (y1+y2)/2
pt = arcpy.Point(newX, newY)
arcpy.AddMessage(point1)
arcpy.AddMessage(newX)
arcpy.AddMessage(pt)
pt_geometry = arcpy.PointGeometry(pt, spatial_reference)
row_pt = (pt_geometry, row[2], row[3])
icursor.insertRow(row_pt)
return
