CHCNAV AlphaAir 450 Manuale utente

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CHCNAV AlphaAir 450

User Manual

Version 2.0

Mobile Mapping | Nov 2021

Table of Content 
CHCNAV ALPHAAIR-450 USER MANUAL | 2021-10 P a g e  |  2
Table of Content 
Table of Content...............................................................................................................2
1Reading Tips..............................................................................................................4
1 Symbol Description...........................................................................................4
2 Recommendations............................................................................................4
3 Service & Support.............................................................................................4
4 Disclaimer ........................................................................................................5
2Using Requirements ..................................................................................................6
1 Using Environment ...........................................................................................6
2 Tips Before Using..............................................................................................6
3 Tips During Using..............................................................................................6
4 Tips After Using ................................................................................................6
3Product Description ...................................................................................................7
1 Equipment List..................................................................................................7
2 Delivery of Equipment and Materials .................................................................7
3 Product Introduction.........................................................................................8
4 Equipment Size.................................................................................................9
5 Device interface description ............................................................................ 10 
6 Electrical Characteristics.................................................................................. 11 
7 Airborne Platform (M300) ............................................................................... 11 
7.1 Airborne install steps .......................................................................... 11 
7.2 Airborne disassemble steps ................................................................. 12 
8 Airborne Platform (BB4).................................................................................. 12 
8.1 Airborne install steps .......................................................................... 12 
8.2 Airborne disassemble steps ................................................................. 13 
4Product Using.......................................................................................................... 13 
1 Advance Preparation....................................................................................... 13 
2 Equipment Installation .................................................................................... 13 
5Data Acquisition ...................................................................................................... 14 
1 One-Key Control Flow ..................................................................................... 15 
2 DJI M300 Remote Control Flow........................................................................ 17 
2.1 Introductions...................................................................................... 17 
2.2 Camera Parameters Setting ................................................................. 18 
2.3 Data Acquisition ................................................................................. 19 
6Data Copy ............................................................................................................... 20 
1 Introduction of the data .................................................................................. 20 
2 Automatically data copy.................................................................................. 20 
3 Data structure ................................................................................................ 26 
7Data preprocessing in Copre .................................................................................... 27 

Table of Content 
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1 AA450 Data Processing Flow............................................................................ 27 
2 New item ....................................................................................................... 28 
2.1 Item Name ......................................................................................... 29 
2.2 Select Time Reference......................................................................... 30 
2.3 Select Units ........................................................................................ 30 
2.4 Select Item Path ................................................................................. 31 
2.5 Select Project Data.............................................................................. 32 
2.6 Item Info ............................................................................................ 33 
2.7 Complete the New Item ...................................................................... 33 
3 POS Processing............................................................................................... 34 
3.1 Place Base Station File......................................................................... 34 
3.2 POS Processing ................................................................................... 35 
4 Flow1-Solve to result ...................................................................................... 37 
4.1 Display and select pos trajectories ....................................................... 37 
4.2 Parameter Setting............................................................................... 39 
4.3 Custom Coordinate System.................................................................. 41 
4.4 Point cloud coloring Settings ............................................................... 42 
4.5 Generate results ................................................................................. 43 
4.6 Point cloud results browsing................................................................ 43 
5 Flow2-Pretreatment........................................................................................ 44 
5.1 Pretreatment...................................................................................... 44 
5.2 Adjust ................................................................................................ 46 
5.3 Generate results ................................................................................. 49 
8FAQ and Solutions ................................................................................................... 50 
9Matters Need Attention ........................................................................................... 52 
1 Important Notes ............................................................................................. 52 
2 Product Transportation ................................................................................... 52 
3 Using Tips....................................................................................................... 53 
4 Storage Tips.................................................................................................... 53 
 

Reading Tips

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1 Reading Tips

1.1 Symbol Description

Forbid

Warning

Important note

Operate & Using tips

1.2 Recommendations

CHCNAV provides below documents for user:

▪Product configuration list

▪AlphaAir 450 mobile mapping system user manual

It is recommended for user to read above documents before first time using.

1.3 Service & Support

CHCNAV website: http://www.chcnav.com

Service Hotline: 400-620-6818

Wechat public:

Reading Tips

CHCNAV ALPHAAIR-450 USER MANUAL | 2021-10 P a g e | 5

1.4 Disclaimer

▪The customer should use and maintain the equipment in accordance with the

requirements of the manual. If the service life of equipment is affected due to improper

use or maintenance, even broken, CHCNAV will not bear the relevant responsibility. All

repairs and maintenance services resulting from this will be charged at standard prices.

▪During the transportation, if the equipment is damaged due to improper logistics

operation, CHCNAV will not bear the relevant responsibility.

▪During equipment using time, if customer disassembles and assembles the equipment

without CHCNAV’s suggestions & permission, and resulting in damage, CHCNAV will not

bear the relevant responsibility.

▪Customer should use default batteries and accessories. If use non-dedicated batteries,

the charger may cause unexpected situations like explosions, fires etc. The use of non-

original accessories is not eligible for warranty; if occur accident, the manufacturer will

not bear the corresponding responsibility.

Using Requirements

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2 Using Requirements

2.1 Using Environment

▪It is not recommended to use in rainy, snowy, or foggy weather for safety.Also the point

cloud data will have more noise.

▪It is not recommended to frequently use in dusty environment, which will affect the

service life of equipment.

▪It is forbidden to expose the device and accessories under extreme temperature. The

environment temperature must not be lower or higher than the specification

temperature.

▪When the equipment is transferred from a cold environment to a warm environment,

water may condense on certain components inside the scanner. To avoid this, it is

recommended to place the scanner in a sealed plastic bag before transferring. When the

condensate is evaporated, then turn on the plastic bag.

2.2 Tips Before Using

▪Check whether the laser glass is normal, if there is dust exist, please use the cleaning kit

to clean it.

▪Check whether the ports are clean, and whether the pins are normal.

▪Check whether the connecting cables are reliable and stable, and whether the GPS cable

is stable and normal.

2.3 Tips During Using

▪When using, make sure all cables and ports are connected correctly.

▪Place equipment at an open sky area with good GPS signal during powered on.

▪If the buzzer sounds abnormally during the capture process, please check immediately

whether the equipment status is normal.

▪Before start work, check the remaining capacity of the scanner memory card. If the

remaining capacity is less than 10% or does not meet the current collection capacity

requirements, the laser data file need to be deleted in advance.

2.4 Tips After Using

▪After using, unplug the cable first, then place the equipment into equipment case.

▪During transportation, take care the equipment and try to avoid bump.

Product Description

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3 Product Description

3.1 Equipment List

AlphaAir 450 mobile mapping system configuration list is shown below:

Serial number

Classification

Name

Model

AlphaAir 450

LiDAR system

AlphaAir 450

Standard

Accessories

Type-c to USB Data cable

8G USB flash

Clean suits

Transport container

(Portable Bag)

Standard

Software

CoCapture license

CoPre license

M300 Standard

Accessories

2.5mm cross screwdriver

M300 antenna mount

Rod antenna

Other optional

CHC Alphaport

3.2 Delivery of Equipment and Materials

1- Transport Container

2- AA450 Unit

3- CHC Alphaport adapter

4- Rod Antenna

5- Portable Bag

Product Description

CHCNAV ALPHAAIR-450 USER MANUAL | 2021-10 P a g e | 8

3.3 Product Introduction

AlphaAir 450 pocket lidar measurement system, the whole device is based on the lightweight

and high integration design concept, carried on the BB4 or 3rd party UAV like DJI M300, can

obtain longer endurance. As an emerging means of 3D data acquisition, it can quickly acquire

terrain surface data, ground feature, power line information, etc., which can realize high-

precision 3D terrain data and high-density 3D data acquisition of transmission lines. In addition,

based on the image acquisition by the built-in camera, DOM, DSM, true color point cloud and

other results can be generated, and road sections, power lines, vegetation and other results

can be automatically extracted for analysis, and the inspection report can be output.

The product is shown below:

CHCNAV AA450 unit

Product Description

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3.4 Equipment Size

▪The product diagrams are shown below:

▪Weight: 950 g

▪Length, width and height are shown below

M300 interface (DJI Skyport)

Product Description

CHCNAV ALPHAAIR-450 USER MANUAL | 2021-10 P a g e | 10

BB4 interface (CHC Alphaport)

3.5 Device interface description

1- DJI Skyport Interface: Power supply and communication for M300

2- GNSS Antenna Interface: Receive GNSS signal for positioning and timing

3- LED Indicator (4-LED Indicator): Device status indicator, blinking synchronously with the

ON/OFF indicator

4- ON/OFF Key: Turn on/off the equipment and one-button acquisition control button

5- TYPE-C Data Cable Interface: Connect AA450 to Computer for data coping

6- Alphaport Interface: Power supply and communication for BB4

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