LIS Tools - a set of versatile tools
This package provides general tools for raster and point cloud processing, including attribute management, spatial clipping as well as subset extraction based on attribute values.
Tool: About LIS
| Features |
|---|
| • retrieve general and license information about the running LIS Pro 3D instance |
| Applications |
|---|
| • product information and licencing |
Tool: Attach Grid Values to Point Cloud
| Features |
|---|
| • attachment of values from grid datasets as attribute(s) to each point |
| Applications |
|---|
| • attachment of additional, raster-based information to a point cloud |
Tool: Attach Point Index as Attribute
| Features |
|---|
| • attachment of the index of each point in the point cloud as attribute |
| Applications |
|---|
| • analysis and storage of the sorting of the points within a point cloud file |
Tool: Clip Point Cloud with Extent
| Features |
|---|
| • extraction of a point cloud subset |
| • clipping area is defined by either the extent of a shapes layer or by coordinates |
| • several options how to handle points lying on the border of the clipping extent |
| Applications |
|---|
| • extraction of spatial subsets from a point cloud dataset |
| • removal of tile overlaps in seamless data processing workflows |
Tool: Clip Point Cloud(s) [interactive]
| Features |
|---|
| • extraction of subsets from one or several point cloud datasets |
| • area-of-interest is defined interactively by either dragging a box or by digitizing a polygon |
| Applications |
|---|
| • extraction of spatial subsets from a point cloud dataset |
Tool: Clip Point Cloud(s) with Shapes
| Features |
|---|
| • extraction of subsets from one or several point cloud datasets |
| • area-of-interest is defined by either the extent or the polygons of a shapesfile |
| • optionally only the selected polygons are processed |
| Applications |
|---|
| • extraction of spatial subsets from a point cloud dataset |
Tool: Close Gaps by Horizontal Plane
| Features |
|---|
| • closing of NoData gaps in a grids dataset by a horizontal plane |
| • the elevation of the plane is determined from the boundary cells of the NoData gap |
| • optionally an offset can be applied to the plane |
| Applications |
|---|
| • gap filling in DTM datasets (removed buildings or water bodies) |
Tool: Create Point Cloud Attribute
| Features |
|---|
| • create a new point cloud attribute with a default value |
| Applications |
|---|
| • attribute management |
| • point cloud editing |
Tool: Drop Point Cloud Attributes
| Features |
|---|
| • deletion of attributes from a point cloud |
| Applications |
|---|
| • removal of attributes, e.g., temporary processing results |
Tool: Extract Subset from Point Cloud
| Features |
|---|
| • extraction of a subset of a point cloud based on attribute values |
| • extraction based on a single value, a range of values or value ranges specified in a lookup table |
| Applications |
|---|
| • extraction of point cloud subsets, e.g., all groud points or all points which show an intensity greater than a threshold value |
Tool: Intensity Correction
| Features |
|---|
| • model driven correction of the LiDAR intensity signal |
| • correction methods (can be used in combination): atmospheric attenuation, range normalization, topographic influence |
| Applications |
|---|
| • intensity correction (applied to flight strips or scan positions) |
Tool: Invert Normals
| Features |
|---|
| • inversion of point cloud normals |
| Applications |
|---|
| • inverting normal direction |
Tool: Join Attributes
| Features |
|---|
| • joining of attributes from a second point cloud to the input point cloud based on a unique identifier |
| • attributes to join can be selected |
| Applications |
|---|
| • attachment of information from one point cloud to another |
Tool: Join Attributes From Table
| Features |
|---|
| • joining of attributes from a table to the input point cloud based on a unique identifier |
| • attributes to join can be selected |
| • points without matching identifier can be dropped |
| Applications |
|---|
| • attachment of information from a table to a point cloud |
Tool: Join Attributes by NN Search
| Features |
|---|
| • joining of attributes from a second point cloud to the input point cloud based on a nearest neighbor search |
| • maximum distance threshold |
| • attributes to join can be selected |
| Applications |
|---|
| • attachment of information from one point cloud to another, e.g., classification |
Tool: Map Point Cloud to Scanner
| Features |
|---|
| • mapping of points of a point cloud to scanner positions or trajectories based on GPS time, position identifier, or nearest neighbor search |
| • created attributes: direction vector pointing to the scanner position, scanner position, range to scanner, polar angle, azimuthal angle |
| Applications |
|---|
| • attachment of the direction vector to scanner in order to correctly estimate the normal vector orientation |
| • attributes for quality-based filtering and accuracy estimation |
Tool: Merge Point Clouds
| Features |
|---|
| • merging of two or more point clouds into a single dataset |
| • optionally a unique identifier attribute field can be added |
| Applications |
|---|
| • merging of point clouds from different scan positions or flight strips |
Tool: Orient Normals
| Features |
|---|
| • re-orient normals of a point cloud in a consistent way |
| • methods: user-defined reference normal, global normal, normal per cluster, direction to scanner, minimum spanning tree |
| Applications |
|---|
| • correction of normal vectors |
Tool: Reclassify Point Cloud Attribute
| Features |
|---|
| • reclassification of points based on attribute values |
| • reclassification based on a single value, a range of values or value ranges specified in a lookup table |
| • special options for NoData values and values outside the classification range |
| Applications |
|---|
| • reclassification of point clouds based on attribute values, e.g., merge three vegetation classes into one |
Tool: Remove Overlap from PC Tiles
| Features |
|---|
| • removal of spatial overlap from point cloud tiles |
| • bounding boxes of tiles are defined in a polygon shapes layer |
| • reading of all files in an input directory and writing of the result to another directory |
| Applications |
|---|
| • removal of spatial overlap from point cloud tiles after processing |
Tool: Retile Point Cloud
| Features |
|---|
| • retiling of a point cloud into several datasets based on a polygon shapes layer |
| • tiles are defined by the bounding boxes or by the (irregular) shapes of the polygons |
| • output directly to disk, optionally |
| Applications |
|---|
| • spatial retiling of point clouds, e.g., in order to generate smaller tiles for data processing or for use in a virtual point cloud dataset |
Tool: Sort Point Cloud by Attribute
| Features |
|---|
| • sorting of the points of a point cloud based on attribute values |
| Applications |
|---|
| • point cloud sorting, e.g. by gps-time or intensity |
Tool: Split Point Cloud
| Features |
|---|
| • splitting of a point cloud into several datasets based on the values of an attribute field and a user provided interval |
| Applications |
|---|
| • separation of point classes or flight strips |
| • tiling based on, e.g., GPS time |