Remove Files From LAS Dataset (Data Management)—ArcGIS Pro

Summary

Removes one or more LAS files and surface constraint features from a LAS dataset.

Usage

File paths must use the folder separator associated with the operating system.
Only a folder that directly contains LAS files can be provided as an input. When a folder is specified, all LAS files that reside in that folder will be removed from the LAS dataset.
Surface constraint features only have to be cited by their name. For example, boundary.shp and sample.gdb/boundary would just be referred to as boundary.

Syntax

RemoveFilesFromLasDataset(in_las_dataset, {in_files}, {in_surface_constraints})

Parameter	Explanation	Data Type
in_las_dataset	The LAS dataset to process.	LAS Dataset Layer
in_files [in_files,...] (Optional)	The name of the LAS files or folders containing LAS files whose reference will be removed from the LAS dataset.	String
in_surface_constraints [in_surface_constraints,...] (Optional)	The name of the surface constraint features that will be removed from the LAS dataset.	String

Derived Output

Name	Explanation	Data Type
derived_las_dataset	The updated LAS dataset.	LAS Dataset Layer

Code sample

RemoveFilesFromLasDataset example 1 (Python window)

The following sample demonstrates the use of this tool in the Python window.

import arcpy
from arcpy import env

env.workspace = "C:/data"
arcpy.RemoveFilesFromLasDataset_management("test.lasd", 
                                           "LA_N; LA_S/LA_5S4E.las",
                                           "boundary.shp; streams.shp")

RemoveFilesFromLasDataset example 2 (stand-alone script)

The following sample demonstrates the use of this tool in a stand-alone Python script.

'''*********************************************************************
Name: Modify Files in LAS Dataset& Calculate Stats for LASD
Description: Adds files & surface constraints to a LAS dataset, then
             calculates statistics and generates report.
*********************************************************************'''
# Import system modules
import arcpy

try:
    # Script variables
    arcpy.env.workspace = 'C:/data'
    lasd = 'sample.lasd'
    oldLas = ['2006', '2007/file2.las']
    newLas = ['2007_updates_1', '2007_updates_2']
    oldSurfaceConstraints = ['boundary.shp', 'streams.shp']
    newSurfaceConstraints = [['sample.gdb/boundary', '<None>',
                              'Soft_Clip']
                             ['sample.gdb/streams', 'Shape.Z',
                              'Hard_Line']]
    arcpy.management.RemoveFilesFromLasDataset(lasd, oldLas,
                                               oldSurfaceConstraints)
    arcpy.management.AddFilesToLasDataset(lasd, newLas, 'RECURSION',
                                          newSurfaceConstraints)
    arcpy.management.LasDatasetStatistics(lasd, "UPDATED_FILES",
                                          "lasd_stats.txt",
                                          "LAS_FILE", "DECIMAL_POINT",
                                          "SPACE", "LAS_summary.txt")
except arcpy.ExecuteError:
    print(arcpy.GetMessages())
except Exception as err:
    print(err.args[0])

Environments

Current Workspace

Licensing information

Basic: Requires 3D Analyst or Spatial Analyst
Standard: Yes
Advanced: Yes