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mosaicsgis (ID: 529062)
Geospatial Computer Scientist
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Programming & Databases
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Earnings (Year):
$0
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Name:
LP360 - LiDAR Software
lp360.pdf
Description:
Founder and senior design and engineer in development of the LP360 LIDAR software suite from QCoherent Software. Participated in all phases of the development cycle from design, development, testing, and maintenance including development of the context sensitive help system. LP360 includes an ArcGIS extension, web server, stand alone application, and object library (LPObjects) for custom development of user solutions. Major highlights in design and development include:
· Custom data layer that displays large quantities of lidar point clouds quickly at all map scales including profile and perspective viewers
· Dynamic surface system to construct a TIN surface from lidar point clouds on-the-fly, optionally utilizing breaklines from multiple sources
· Hand editing tools for editing of the point cloud
· Node-lock licensing system including floating license capability
· COM based library for maximum code reuse in multiple application environments without penalty of performance and for development of custom solutions
· Web server to expose core functionality of the software for the display of lidar datasets on the web
· Standalone mapping application that displays lidar datasets similarly as the LP360 ArcGIS extension with a Table of Contents including dockable windows for the profile and perspective viewers
· Filtering and Extraction framework that includes a planar point filter, and a point grouping, tracing, and squaring extractor.
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Industry:
Defense & Aerospace
Price:
Not Sure/Confidential
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Name:
Data Conversion and Terrain Ed
TerrainEditor.pdf
Description:
This program consisted of two parts: data conversion and terrain editing software. The data conversion application converts SRTM files (hgt, flt) into a proprietary raster file format with/without compression. Uncompressed raster files were then edited with the terrain editor application. The terrain editor application uses tools to fill in gaps in the SRTM data. Tools to conduct the gap filling include setting pixels a certain value, copy/paste pixels from other data sources, and interpolating the gaps using inverse distance weighted and spline methods. After editing, the raster files were then compressed for use in other software packages. The application also included a Table of Contents window to allow the user to interact with layers within the map.
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Industry:
Telecommunications
Price:
Not Sure/Confidential
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Name:
Automated Contour Annotator
anno.pdf
Description:
The Anno-“tater” program automates the placement of annotation segments on index contours. A server dll written in C++ houses the annotation engine and a user interface written in VB customizes the program to the client’s production workflow.
The Anno-“tater” program consists of a complete user interface to control the placement of the annotation and selection of the feature classes (coverages in the example below) to be run in a batch mode. The user can control the frequency of placement as well as a measure of contour smoothness. The user can also control text height, estimated width, and the length of the segment that will contain the annotation. Annotation can be prevented on other feature classes representing features such as buildings, roads, and hydrology.
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Industry:
Engineering Services
Price:
Not Sure/Confidential
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Name:
Automated Flood Plain Delineat
AutomatedMapping.pdf
Description:
A routine was developed to delineate flood boundaries based on discharge levels at cross sections along a stream. The routine has parameters to allow the user to filter out small polygons based on area and a shape metric (i.e., circularity). The closed boundaries are saved in a line shapefile. The routine were written in VB using stand-alone computational geometry routines to merge and intersect surfaces.
The following screen capture illustrates the resulting 100 year peak discharge flood boundary (gray lines) using profile elevations on cross sections (black lines). The intersection between the modeled 100 year peak discharge water surface and the ground surface is the basic idea behind locating the flood boundary line. The routines also extend the cross sections by a user specified distance to map backwater areas beyond cross sections.
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Industry:
Engineering Services
Price:
Not Sure/Confidential
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Name:
Contour Depression Coder
depcoder.pdf
Description:
The contour depression coder program automates the coding of depression contours. A server dll written in C++ contains the coding routines and a user interface written in VB customizes the program to the client’s production workflow.
The user interface consists of a complete set of inputs to control the coding environment for the client as well as the selection of contour feature classes to code in a batch environment. The user can control what depression code is used for different contour codes. For example an index contour that is found to be a depression is coded with a different code than intermediate depression contours.
The routines in the program use an underlining surface in an ESRI TIN format to determine the inner and outer surface environments around a contour. The inner and outer surface is used to determine if the contour is part of a depression. The program was written to use the USGS definition for coding depressions.
Modularization of the program (i.e., server dll and client GUI) allows for easy migration to future data environments and changes to the client’s workflow. Currently the program is written to work for ArcInfo coverages in a tile workspace format but can easily be migrated to utilize enterprise and personal geodatabases, or shapefiles. The routines within the server simply require an ESRI feature class defined by ArcInfo.
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Industry:
Engineering Services
Price:
Not Sure/Confidential
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mosaicsgis
LP360 - High Performance LiDAR Software
LP360 - Perspective view of lidar data
Automated mapping of floodplains from x-sections
Automatically annotated contours
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Global Region
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United States |
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(GMT-05:00) Indiana (East) |
| Local Time: |
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12:24 PM |
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