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Point Cloud Data Modeling for Mobile Mapping System
UC-win/Road Point Cloud data
UC-win/Road Point Cloud Modeling Plug-in US$1,730 (Tax is not included.)

UC-win/Road Customize System : Mobile Mapping System
Initial Release: '10.09.21
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3D laser scanning and modeling service
3D Laser Scanning
and Modeling Service
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Service overview and features
As one of the applications of 3D information in surveying and construction field, 3D modeling of point cloud data, which is surveyed on site by using high accuracy GPS-based mobile measuring device, is drawing attention. In a FORUM8-conducted sample project, we used the data from Umi-hotaru (sea firefly) parking area along the Tokyo Bay Aqua Line Expressway measured using Mitsubishi Mobile Mapping System (MMS).
Intersection of Shibuya

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VR modeling by using point cloud data for UC-win/Road

Developing customized functions of VR modeling with point cloud data

Utilization of point cloud data by mobile mapping

  1. UC-win/Road Utilization of point cloud data as reference data to create roads
    You can use it as an after-MMS processing tool or VR modeling tool to integrate with mobile mapping systems.

  2. Utilization of point cloud data as a reverse analysis tool for UC-win/Road・VR model.
    We propose the use of point cloud data to check VR models. For example, it can be used to guarantee the accuracy of the data and maintenance: gap analysis because of aging.

Sample project
 Outline of making sample data, "Umi-Hotaru" on Tokyo Bay Aqua Line
Sample point cloud data of Umi-Hotaru parking area on the toll road crossing Tokyo Bay has very complicated features and is a good sample to understand the difficulty and merits of point cloud data as a reference tool. Sample data consists of complicated structures like flyover ramps, a tunnel, a bridges and a parking space.
  • Data of original file format(Umi Hotaru data is an excel file which has 17,000,000 coordinates.
  • File format : X coordinate, Y coordinate, Z coordinate(Height), R, G, B

Project process in detail
  1. Research and design: Understanding the point cloud data and selecting the program
  2. Segmentation and positioning of the road and making the road section. Reference by VR Mesh Reverse and acquire the information.
  3. At the time of creating building models, use the point cloud data for model positioning and making, and measure the accurate structures
  4. VR data adjustment on UC-win/RoadVR , learn how to use the point cloud and how to create the road data.

Benefits and setbacks using point cloud data

Advantage Disadvantage
  • Accurately measure objects and roads in full 3D
  • Makes it easier to understand the project
  • The perfect way to validate data
  • Use in conjunction with CAD and Google Earth Measurement
  • More time consuming
  • Extra training may be necessary
  • PC with larger capacity may be required

Data format and how to use it

Data of original file format
File format : X coordinate, Y coordinate, Z coordinate(Height), R, G, B

File conversion process
  1. Open the file by Wordpad(Notepad can not open the Excel file because of data capacity
  2. Save the file as .txt file.
  3. Use GSplit to divide the text to 1,000,000pieces.
    GSplit(free soft) http://www.gdgsoft.com/gsplit/

VR Mesh Reverse Overview/How to use

In the Umi Hotaru project, each 17 text files finally has 1,000,000 coordinates including R, G, B values. VR Mesh Reverse is the program the data can be used.
The significant merit of VR Mesh Reverse is that users can manipulate and execute millions of coordinates data by special LOD functions.
VR Mesh Reverse enables users measure the basic items such as road design and allocation of objects with high accuracy. VR Mesh Reverse individualizes the necessary range for high PC performance. In addition, with the high capability of VR Mesh Reverse that can handle 17,000,000 coordinates simultaneously, users can understand the way data is to be created by seeing data as point cloud.

Work items and required time frame

Work items date Remarks
1. Research and design 5days Research and design includes research for the software used.
research is conducted by FORUM8.
2. Segment of the Road and allocation 3days  
3. Building model 1day  
4. Adjusting the VR data 2days  

UC-win/Road Point Cloud Modeling Plug-in

As well as the import of point cloud data, Point Cloud Data Plug-in option has many more features. This option enables you to import point cloud data obtained using surveying tools, such as laser scanner, into the 3D VR software and display the imported data at a specified position. To convert the terrain data, TIN data is generated from the laser-scanned point cloud data and then terrain patch function can be used to model the terrain. Repositioning of the point cloud data is possible by moving the point clouds sideways or rotating them. For exporting data, you can export point cloud data to Land XML data, so that the generated data can be used on other systems.
▲Point cloud data import

▲Screen shot of imported point cloud data ▲Point cloud drawing option

▲Generation of terrain TIN data,
terrain modeling
▲Position adjustment of point cloud data

VR mesh function overview

VR Mesh Function which is indispensable for using millions of point cloud data.
VR Mesh Reverse: Price $695.00 US Virtual Grid ( http://www.vrmesh.com/products/reverse.asp )

LOD function using 17,000,000point cloud data

Expresses one part by Window Clip

Measuring point cloud data information by using the UC-won/Road data creation functions.

By selecting "Analyze", measurement begins. Later, select Measure Distance and click 2 point clouds of the data to measure the distance. By retaining the previous measurement, users can measure the point clouds. However, it takes sometime to get accustomed to, because the tool to assess the different coordinate planes.

Overview of the UC-win/Road model by point cloud data

Conducted the road alignment and definition of the section, referring to the point cloud data. Finished VR model will be a highly accurate structure model. It can be used for It can be used with generated traffic, as a VR model which is used in the event of presentations and discussion.

Definition of road alignment Definition of vertical section Definition of section

Road is generated in a moment. (initial model) Generating traffic, users can simulate it at once
Data with added buildings and road belongings

We recommend..

  1. Utilization of Point cloud data as reference data to create road on UC-win/Road. You can use it as an after-MMS processing tool or VR modeling tool to integrate with mobile mapping systems

  2. Utilization of point cloud data as a reverse and difference analysis tool for UC-win/Road・VR model and as a checking tool for VR models. For example, it can be used to guarantee the accuracy of the data and maintenance: gap analysis because of aging. We will propose the solution to meet your request and needs.

What is Mitsubishi Mobile Mapping System
High accuracy GPS mobile measurement system
* An integrated unit of 3 GPS antennas, IMU, camera and laser scanner is equipped on the top board. Since the equipment is adjusted in factory, eliminating the need of a complex vehicle outfit. 3 DPS's deployed in triangular shape capture position of the vehicle precisely.
* Newly developed sensor box gives the time to retrieved data with 100usec resolution. The accuracy of data collection does not decline in case of high speed drive. BOX camera up to five units and laser scanner up to five can be connected.

Mitsubishi Electric's Mitsubishi Mobile Mapping System:
High accuracy GPS mobile measurement system
for survey
for making maps
for road maintenance
Making road map of present condition as the attached map of the road register
Editing point cloud to CAD data for management before and after construction
Creation of basic data for creating 3D map
Check the adjacent roads
You can identify the location of pedestrian crossings and surface markers as well as three-dimensional objects such as signs, utility poles, traffic signals and curbs by using photos.

Measuring the position of the object with laser scanners and cameras, precise 3-dimensional map in urban areas is easily created.

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