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LiAcquire Web User Guide • GreenValley International Inc.
LiAcquire
Web
User Guide
COPYRIGHT © 2017, 2018, 2019 GreenValley International Inc.
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LiAcquire Web User Guide • GreenValley International Inc.
GreenValley International Inc. (GVI) reserves all right for final explanation, and at
its sole discretion, to change, modify, and remove portions of this document.
No Part of this document may be reproduced or transmitted in any form or by any
means, electronic, mechanical, photocopying, recording, or otherwise, without
prior written permission of GreenValley International Inc.
GreenValley International Inc.
2120 University Ave. Ste. 210
Berkeley, CA. 94706
USA
+1 510.345.2899
[email protected]
www.greenvalleyintl.com
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LiAcquire Web User Guide • GreenValley International Inc.
About This Guide
This document is a general introduction and operation guide for GVI’s LiAir V lightweight UAV
LIDAR mapping/survey systems.
As we continue to update and improve the product, you may find
some differences between the contents of this document and
your LiAir V system. We will diligently update this guide as the
product changes.
Please check with GVI for the latest revision and contact GVI support if you have any question.
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LiAcquire Web User Guide • GreenValley International Inc.
Content
1 Introduction ..................................................................................................................................................... 5
2 Function Description .................................................................................................................................... 6
2.1 Establish communication ................................................................................................................ 6
2.2 Setup ..................................................................................................................................................... 7
2.2.1 Summary ................................................................................................................................. 7
2.2.2 Control Mode ........................................................................................................................ 8
2.2.3 Camera Mode ........................................................................................................................ 9
2.3 Administration.................................................................................................................................. 10
2.3.1 Log Interface ........................................................................................................................ 10
2.3.2 Upgrade Interface .............................................................................................................. 10
2.3.3 Calibrate Interface .............................................................................................................. 10
2.3.4 License Interface ................................................................................................................. 11
2.4 Status .................................................................................................................................................. 11
2.4.1 GNSS Interface .................................................................................................................... 11
2.4.2 LIDAR Interface.................................................................................................................... 12
2.4.3 Project Interface .................................................................................................................. 13
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LiAcquire Web User Guide • GreenValley International Inc.
1 Introduction
LiAcquire Web is a ground control system of the Ultra-light UAV LiDAR system, LiAir V.
LiAcquire Web is used to display the status, configure the data collection parameters, and
update the firmware of the LiAir V laser scanning system.
LiAcquire Web is a tool-based system. During the operation, when the device indicator is
normal and users do not need to adjust the acquisition mode, it is not necessary to change
the parameter settings in this system before data acquisition.
Software Features:
Software Functions
Supported
Device
Display
Acquisition
Settings
System
Operation
LiAir V Series
System
Information
Device ID, firmware version, calibration file version, system
runtime, system time, device expiration date, etc.
GNSS Status
GPS time, latitude and longitude, attitude angle, number of
satellites, etc.
LiDAR Status
Device status, working status, system status
Project Status
Project name, acquisition time, data size, free disk space
Acquisition
Mode
LiDAR triggerring mode: height mode, speed mode, flight
control mode, fast mode
Camera triggerring mode: fixed time interval, fixed spacing,
camera model selection
Activate
Activate equipment based on purchase / rental status
Download
Download system log
Upload
Update the firmware, and update the calibration file.
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LiAcquire Web User Guide • GreenValley International Inc.
2 Function Description
LiAcquire Web is a web page program, which does not requite to download any software.
After the laptop establishes communication with the device, users can access
http://192.168.1.88 from the browser to open LiAcquire Web.
2.1 Establish communication
It is required to establish the communication between the laptop and the LiAir V to open
LiAcquire Web.
Preparation: LiAir V device, laptop with Ethernet port (or Ethernet adapter), Ethernet cable for
LiAir V, device power supply (power supplied from DJI M210 / M600 aircraft).
Follow steps below to establish communication between the device and the computer:
1. Connect the LEMO Connector of the Ethernet cable of LiAir V to the LAN port of the
device and the other end of the cable to the Ethernet port of the laptop. For the first time
being used, users need to change the computer IP settings;
2. Open Network and Internet-> Network Connection, select "Ethernet Adapter", right-click
and select "Properties", double-click "Internet Protocol Version 4 (TCP / IPv4)", and set
the computer IP to 192.168.1.66, as shown in the figure below:
3. Enter http://192.168.1.88 in the browser; enter the username and password, and open
the LiAir V Web configuration interface. The default username is root and the default
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LiAcquire Web User Guide • GreenValley International Inc.
password is 888888.
Note: Google Chrome or IE11 browser is recommended.
2.2 Setup
The setup contains three parts: Summary, Control Mode and Camera Mode.
2.2.1 Summary
Summary interface - the system information of the device and the current status of the device.
System Information
Device ID: It is used to apply for a device activation file *.lic. Please send the the device ID to
the GVI representatives for a sctivation file, which can be imported to the device through the
Administration-> License.
Firmware Ver1: the Firmware version number of the core board (support upgrade, see 2.3.2
Upgrade interface for details)
Firmware Ver2: MCU firmware version number (upgrade is not supported)
Capture Time: The time of the system being used in total to capture data (updated after each
project)
Camera Count: Total number of photos taken by the device (only applicable for the device
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LiAcquire Web User Guide • GreenValley International Inc.
with a camera)
SN of the Calibrattion File: Calibration file serial number (device SN number). none is displayed
if the calicration file is not uploaded
Version number of the Calibration File: The version number of the calibration file. None is
displayed if it is not uploaded.
License Status: Device activation file status. None is displayed if the file is not uploaded; “until
YYYY-MM-DD-HH: MM: SS” is displayed if the file is valid; “expired YYYY-MM-DD-HH:
MM: SS” is displayed if the file is invalid.
System Time: System time (UTC time)
System Status
GNSS Status: OK is displayed if GNSS device synchronization and IMU alignment are
completed; otherwise Not Ready is shown. Click to jump to the 2.4.1 GNSS interface.
LIDAR Status: The status of the LiDAR sensor. If the PPS is synchronized, it will display OK;
otherwise, it will display Not Ready. Click to jump to the 2.4.2 LIDAR interface.
Project Status: The status of the project. If the SD card is loaded normally, it will display OK;
otherwise, it will display ERROR.
Camera Status: If the camera time is synchronized it will display Sync; otherwise it will display
Not Ready (only applicable for the device with a camera).
2.2.2 Control Mode
The Control Mode interface is mainly used to set the acquisition triggering conditions of the
laser/camera.
Fast Mode: the default mode of the device. After the project is started, the IMU, LiDAR and
camera data acquisition are turned on simultaneously. When the project is stopped, all data
acquisition is also stopped simultaneously. In this mode, raw LiDAR data on undesired routes
will be collected as well, which will lead to a large amount of data.
Speed Mode: After the project is started, IMU data is collected. After the set speed conditions
are met, the LiDAR and camera data start to be collected. If the conditions are not met, the
data acquisition (including IMU data) and the project will be stopped.
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-
Speed: Set the speed threshold, the unit is m / s, the default is 1 m / s. When the flight
speed is greater than or equal to the set threshold, the scan is started, and the scan will
be stopped if the flight speed is less than the set threshold for consecutive 10 seconds.
Height Mode: After the project is started, IMU data is collected. After the set altitude
conditions are met, the LiDAR and camera data start to be collected. When the conditions are
not met, the data acquisition (including IMU data) and the project will be stopped.
- Height: Set the height threshold. The unit is meter, 30m by default. When the relative
height is greater than or equal to (height threshold – 5) meters, the scan is started. When
the relative height is less than (height threshold – 20) meters for consecutive 10 seconds,
the scan will be stopped.
Note that when choosing to use this mode, the height is relative to the device height
when the GNSS signal is synchronized. It is not always the ground height.
Flight Mode (Reserved): LiDAR data acquisition is triggered via flight control.
2.2.3 Camera Mode
The Camera Mode interface is mainly used to adjust the trigger mode and parameters of the
camera.
Camera Enable Settings Bar - Used to set whether to enable the camera.
Trigger Mode Settings / Configure Information - Used to set the camera trigger mode and
parameters
Period Mode: Fixed time interval triggering, that is, triggering photos according to the set
time interval.
- Period: time interval parameter. The unit is second and the default value is 2s.
Distance Mode: Fixed spacing triggering, triggers photos according to the set spacing
distance.
- Distance: spacing distance parameter. The unit is meter, 50m by default.
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2.3 Administration
The administrator interface mainly includes four parts: log file download, firmware upgrade,
calibration file upgrade, and device activation.
2.3.1 Log Interface
Click the Download button on the Log interface to download the log stored in the device for
troubleshooting.
2.3.2 Upgrade Interface
Import the firmware file on the Upgrade interface and click “Start to Upgrade” to upgrade
the device firmware.
2.3.3 Calibrate Interface
Import the calibration file in the Calibrate interface and click Start to Upload to upgrade the
calibration file.
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2.3.4 License Interface
Import the device activation file on the License interface and click Start to Upload to activate
the device.
2.4 Status
The Status interface is used to display detailed status information of GNSS, LIDAR, and Project.
2.4.1 GNSS Interface
The GNSS interface displays GNSS and IMU status information.
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GPS Week: GPS Week
GPS Second: GPS second of the week
INS Status: IMU sensor status (0-misaligned, IMU indicator on the device is red; 1-coarse
aligned, IMU indicator on the device flashes blue slowly; 1-fine aligned, IMU indicator on the
device is solid blue)
Latitude / longitude / Height: latitude / longitude / elevation
latStd / longStd / heightStd: Latitude error / Longitude error / Elevation error
azimuth / pitch / roll: azimuth / pitch / roll
azimuthStd / pitchStd / rollStd: heading angle error / pitch angle error / roll angle error
m_sats: number of satellites accessed by the main antenna
s_sats: number of satellites accessed by the secondary antenna (not applicable for LiAir V)
2.4.2 LIDAR Interface
The LIDAR interface displays the status information of the lidar sensor.
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Device State: Display the status of the lidar device
- Disconnect: No device detected
- Connect: Device detected
- Sample: data collection (not necessarily stored)
- Unknown: Unknown status
Work State: Shows the working status of the LiDAR sensor
-Init: Initialization status
-Normal: Normal working condition
System Status: Display system status
2.4.3 Project Interface
The Project interface mainly displays the project-related information such as project name,
acquisition time, laser data size, IMU data size, remaining SD card space. And the button of
starting and ending the project is in this interface.
The functions of the Start and Stop button on the webpage are the same as the Start/Stop
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LiAcquire Web User Guide • GreenValley International Inc.
button on the control panel of the device.
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