Create Integrated Mesh Scene Layer Package (Data Management)

Summary

Creates a scene layer package from OpenSceneGraph binary (OSGB) data.

Usage

• Similar to other 3D graphic formats, the OSGB data format does not natively support specifying or capturing the coordinate system of the model. Typically, OSGB format files are output in a Cartesian coordinate system that locates data at fixed coordinates. The x-, y-, and z-coordinates of the model are not inherently geographic locations; rather, they are locations relative to an arbitrary geometric origin (0, 0, 0). One typical coordinate system used for such models is the Easting-Northing-UP (ENU) convention, in which the x-axis can be thought of as an easting direction, the y-axis as a northing direction, and the z-axis is up. To properly georeference the model, an additional metadata .xml, .3mx, or world file (.wld3) is required that can be placed next to the folder that contains the OSGB format files or specified through the Anchor Point parameter.

• If no file exists to georeference the model, a world file (.wld3) can be created to specify the origin. This space or comma delimited file can be formatted in decimal degrees as <From x,y,z> <space> <To x,y,z>.

  An example world file to georeference the model. Only one coordinate pair needs to contain the anchor point coordinates.

  0, 0, 0 -117.17222, 34.0392512, 0

• If the OSGB format files were created with a known coordinate system, place the projection file (.prj) next to the folder that includes the OSGB format files to properly georeference the model. For example, if the input file path is C:\temp\data and the OSGB format files are in subfolders C:\temp\data\Tile_001 and C:\temp\data\Tile_002, place the projection file or metadata file in the C:\temp\data folder.

• The following table lists the georeferencing file to use for each input coordinate system of the OSGB model:

  Input coordinate system	Georeferencing file
  Local coordinate system (ENU)	.xml, world (.wld3), .3mx, or point feature class
  Projected coordinate system	Projection file (.prj)
  Geographic coordinate system	Projection file (.prj)

• OSGB format files are created by Drone2Map and third-party providers. For a complete list of these providers, see Integrated mesh scene layer.

Syntax

arcpy.management.CreateIntegratedMeshSceneLayerPackage(in_dataset, out_slpk, {anchor_point}, {file_suffix}, {out_coor_system}, {max_texture_size}, {texture_optimization})

Parameter	Explanation	Data Type
in_dataset [in_dataset,...]	The OSGB format files, or folders containing OSGB format files, that will be imported into the integrated mesh scene layer package. This parameter allows a selection of multiple OSGB format files or a selection of multiple folders containing OSGB format files.	File; Folder
out_slpk	The integrated mesh scene layer package that will be created.	File
anchor_point (Optional)	The point feature or .3mx, .xml, or .wld3 file that will be used to position the center of the OSGB model. If there are multiple points in the feature class, only the first one will be used to georeference the data.	Feature Layer; File
file_suffix (Optional)	Specifies the files that will be processed for the input dataset. * —All binary files, regardless of their extension, will be processed to determine if they are in the OSGB format. osgb —Only files with the .osgb extension will be processed.	String
out_coor_system (Optional)	The coordinate system of the output scene layer package. It can be any projected or custom coordinate system. Supported geographic coordinate systems include WGS 1984 and China Geodetic Coordinate System 2000. WGS 1984 and EGM96 Geoid are the default horizontal and vertical coordinate systems, respectively. The coordinate system can be specified in any of the following ways: Specify the path to a .prj file. Reference a dataset with the desired coordinate system. Use an arcpy.SpatialReference object.	Spatial Reference
max_texture_size (Optional)	The maximum texture size in pixels for each scene layer node.	Long
texture_optimization (Optional)	Specifies the textures that will be optimized according to the target platform where the scene layer package is used. Desktop includes Windows, Linux, and Mac platforms. Desktop —Texture formats will be optimized for use in desktop and web platforms. Texture formats will be JPEG and DXT. This is the default. None —Textures formats will be optimized for use in a desktop platform. The texture format will be JPEG.	String

Code sample

CreateIntegratedMeshSceneLayerPackage example 1 (Python window)

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

import arcpy
arcpy.env.workspace = "C:/temp"
arcpy.CreateIntegratedMeshSceneLayerPackage_management(
    "terrain_osgb", "mesh.slpk", "anchor.wld3", "OSGB", arcpy.SpatialReference(4326))

CreateIntegratedMeshSceneLayerPackage example 2 (Python window)

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

import arcpy
arcpy.env.workspace = "C:/temp"
arcpy.CreateIntegratedMeshSceneLayerPackage_management(
    ["Tile_+001_+001", "Tile_+001_+002", "Tile_+002_+001"], "mesh.slpk", 
    "anchor.shp", "OSGB", arcpy.SpatialReference(4326), 2048, "DESKTOP")

Environments

Current Workspace, Scratch Workspace

Licensing information

• Basic: Yes
• Standard: Yes
• Advanced: Yes