Surveying assistance device, surveying assistance system, surveying assistance method, and storage medium
A surveying assistance device is a computer configured to read design information including center point data of a center point set on a centerline of a route and constituent point data of constituent points set on a section including the center point, the section being orthogonal to the centerline, acquire position information indicating a current position of a surveyed device with a predetermined period, creates a plan view from the design information and display the plan view on a terminal screen unit, display the current position on the plan view and updates the display every time the position information is acquired, record the acquired position information in a storage as an observation data, and display reference lines indicating positions which are distant from the designated section backward and forward in a route direction by a preset distance limit on the plan view.
1 . A surveying assistance device comprising:
a screen;
a control unit including at least a processor and a memory; and
a storage,
wherein the processor is configured to
read design information including center point data of a center point set on a centerline of a route and constituent point data of constituent points set on a section including the center point, the section being orthogonal to the centerline,
acquire position information indicating a current position of a surveyed device with a predetermined period,
create a plan view from the design information to display the plan view on the screen,
display the current position of the surveyed device on the plan view and update the display of the current position every time the position information is acquired,
record acquired position information in the storage as an observation value of a constituent point on a designated section; and
display a reference line indicating a position that is distant from the designated section backward or forward in a route direction by a preset distance limit on the plan view.
2 . The surveying assistance device according to claim 1 , wherein the processor is configured to
calculate a distance between the current position of the surveyed device and the designated section based on the position information and the design information;
compare the distance with the distance limit; and
in a case where the distance exceeds the distance limit, issue a warning that the surveyed device is distant from the designated section while exceeding the distance limit.
3 . The surveying assistance device according to claim 1 , wherein the processor is configured to
calculate a distance between the current position of the surveyed device and the designated section based on the position information and the design information, compare the distance with the distance limit, and
in a case where the distance exceeds the distance limit, not store the position information in the storage as the observation data.
4 . The surveying assistance device according to claim 1 , wherein the processor is configured to
calculate a distance between the current position of the surveyed device and the designated section based on the position information and the design information,
calculate a direction in which the distance between the current position and the designated section approximates zero, and
guide a worker in the direction in which the distance approximates zero.
5 . The surveying assistance device according to claim 1 , wherein the processor is configured to
calculate a longitudinal gradient based on the design information;
compare a preset longitudinal gradient threshold value and the calculated longitudinal gradient; and
issue a warning in a case where the longitudinal gradient is larger than the threshold value.
6 . A surveying assistance system comprising:
a position acquiring device including a survey device and a surveyed device that acquires the current position of the surveyed device; and
the surveying assistance device according to claim 1 , wherein the surveying assistance device is configured to capable of communicate with the position acquiring device to acquire the position information of the surveyed device.
7 . The surveying assistance system according to claim 6 wherein the survey device of the position acquiring device is a total station survey device and the surveyed device includes a light-reflective target.
8 . The surveying assistance system according to claim 6 wherein the survey device of the position acquiring device is a GNSS survey device capable of communicating with the surveying assistance device such that the surveyed device is the surveying device.
9 . A surveying assistance method performed by a computer including a processor, a memory, a screen, and a storage, the method comprising:
reading design information including center point data of a center point set on a centerline of a route, and constituent point data of constituent points set on a section including the center point, the section being orthogonal to the centerline;
acquiring position information indicating a current position of a surveyed device with a predetermined period;
creating a plan view from the design information and displaying the plan view on the screen of the computer;
displaying the current position of the surveyed device on the plan view and updating a display of the current position every time the position information is acquired;
recording acquired position information in the storage as observation data; and
displaying reference lines indicating positions which are distant from the designated section backward and forward in a route direction by a preset distance limit on the plan view.
10 . The surveying assistance method according to claim 9 , wherein the computer further performs the steps of:
calculating a distance between the current position of the surveyed device and the designated section based on the position information and the design information;
comparing the distance with the distance limit; and
in a case where the distance exceeds the distance limit, issuing a warning that the surveyed device is distant from the designated section while exceeding the distance limit.
11 . The surveying assistance method according to claim 9 , wherein the computer further performs the steps of:
calculating a distance between the current position of the surveyed device and the designated section based on the position information and the design information,
comparing the distance with the distance limit, and
in a case where the distance exceeds the distance limit, refraining from storing the position information in the storage as the observation data.
12 . The surveying assistance method according to claim 9 , wherein the computer further performs the steps of:
calculating a distance between the current position of the surveyed device and the designated section based on the position information and the design information,
calculating a direction in which the distance between the current position and the designated section approximates zero, and
guiding a worker in the direction in which the distance approximates zero.
13 . The surveying assistance method according to claim 9 , wherein the computer further performs the steps of:
calculating a longitudinal gradient based on the design information;
comparing a preset longitudinal gradient threshold value and the calculated longitudinal gradient; and
issuing a warning in a case where the longitudinal gradient is larger than the threshold value.
14 . A non-transitory computer-readable storage medium comprising
a surveying assistance program that instructs a computer to:
read design information including center point data of a center point set on a centerline of a route, and constituent point data of constituent points set on a cross-section including the center point, the cross-section being orthogonal to the centerline;
acquire position information indicating a current position of a surveyed device with a predetermined period;
create a plan view from the design information and display the plan view on a screen of the computer;
display the current position on the plan view and update a display of the current position every time the position information is acquired; and
record acquired position information in a storage of the computer as a measurement value of a point on a designated section, wherein
the surveying assistance program makes the computer:
display reference lines indicating positions which are distant from the designated section backward and forward in a route direction by a preset distance limit on the plan view displayed on the screen.