CN107247781A - A kind of safety zone method of determining range - Google Patents
A kind of safety zone method of determining range Download PDFInfo
- Publication number
- CN107247781A CN107247781A CN201710439579.5A CN201710439579A CN107247781A CN 107247781 A CN107247781 A CN 107247781A CN 201710439579 A CN201710439579 A CN 201710439579A CN 107247781 A CN107247781 A CN 107247781A
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- Prior art keywords
- zone
- danger
- dangerous
- safety
- buffer area
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
Abstract
The invention discloses a kind of safety zone method of determining range, comprise the following steps：All danger zones are marked out on map, and the positional information of danger zone is all recorded；Using the edge of danger zone as border, the region that will be far from 10~30m of danger zone border is set as dangerous buffer area, and the positional information of dangerous buffer area is all recorded：Beyond away from dangerous buffer area, one radius centered on mobile people of self-defining is 30~50m circular safety region；With the movement of people, circular safety region also changes therewith, when any one side of circular safety zone boundary is mutually touched with any dangerous buffer area, so the positional information on this one side of touching is recorded, so as to form the safety zone that a shape is varied from and is close to dangerous buffer area edge.Method of the present invention can ensure that K12 student is in safe region all the time in outdoor practice in popular science activity is participated in, and ensure children away from danger zone.
Description
Technical field
Geographical spatial data of the present invention visualizes display field, more particularly to a kind of safety zone method of determining range.
Background technology
Now with the improvement of people's living standards, the health of K12 (from kindergarten to the age bracket graduated from the high school) child
Growth is increasingly valued by people, in order to allow the comprehensive coordinated development of children, and society is in the urgent need to practice in popular science class family
The development of outer educational activities, to ensure the physical and mental sound development of students.And with large-scale outdoor practice in popular science activity
Development, safety problem becomes a big problem of parents' primary concern again.In China, the development of outdoor activities is not good for
Entirely, safe-guard system and early warning system and imperfection, and the awareness of safety of student is weak, in order to ensure the person peace of student
Entirely, the time that practice in popular science class outdoor education company has to carry the last week even one month goes to set foot-point, and this not only expends public affairs
Take charge of human and material resources and financial resources, at the same manually set foot-point it is uncertain comprehensively, and outdoor practice in popular science activity each time is opened
Exhibition a, coach will lead personnel's proportioning as the child of ten or so to be also inadequate.Therefore, how to solve the above problems
As whole industry problem urgently to be resolved hurrily.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of safety zone method of determining range, leads to of the present invention
Method make one with geographical environment convert and the safety zone of adaptive transformation, the adaptive safety zone is more
Flexibly, K12 (from kindergarten to the age bracket graduated from the high school) student for participating in outdoor practice in popular science activity is more intelligently ensured
Personal safety.
The technical solution adopted in the present invention is：
A kind of safety zone method of determining range, comprises the following steps：
S1, on map all danger zones are marked out, and the positional informations of all danger zones is all recorded
Get off；
S2, using the edge of danger zone as border, will be far from 10~30m of danger zone border region be set as it is dangerous slow
Region is rushed, and the positional information of dangerous buffer area is all recorded：
S3, beyond away from danger zone and dangerous buffer area, self-defining one centered on mobile people half
Footpath is 30~50m circular safety region；
S4, the movement with people, circular safety region also change therewith, when circular safety zone boundary any one side with
Mutually touch any dangerous buffer area, then recorded the positional information on this one side of touching, so as to form a shape
Shape is varied from and is close to the safety zone at dangerous buffer area edge.
As the further preferred of the present embodiment, in step sl, all danger zones marked out on map and come it
Before, roughing is carried out to this area domain first in the form of thematic maps, obvious danger zone by ARCGIS addressings, selected
The region for generally conforming to require is being further analyzed.
It is used as the further preferred of the present embodiment, danger zone, dangerous buffer area, all positional informations of safety zone
It is labeled using the longitude and latitude of the position, the latitude and longitude information of the danger zone, dangerous buffer area on map
It is unique, the latitude and longitude information of safety zone is variable, is changed with the positional information of mobile human.
As the further preferred of the present embodiment, the danger zone has included whether river, cliff, dangerous obstacles
Thing, abrupt slope and whether there is wild violent wild beast to haunt, danger zone model is set up in each danger zone.
As the further preferred of the present embodiment, the danger zone model includes linear pattern danger zone model and circle
Danger zone model.
The present invention has the advantages that compared with prior art：
1st, safety zone method of determining range of the present invention, the geographical position for dangerous buffer area is unique
, so as to make one as geographical environment is converted and the safety zone of adaptive transformation, heretofore described place of safety
Domain is no longer the safety zone of traditional given shape, and the safety zone of adaptive transformation is more flexible, more intelligently
Ground ensures the personal safety for K12 (from kindergarten to the age bracket graduated from the high school) student for participating in outdoor practice in popular science activity.
2nd, safety zone method of determining range of the present invention, company can not spend and be set foot-point, saving manpower,
Material resources and financial resources；A coach will lead more children (at least ten) to carry out the work of practice in popular science class outdoor education simultaneously
It is dynamic.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.Fig. 1 shows for each the dangerous buffer area of the invention drawn out by GIS addressings
It is intended to；
Fig. 2 is the formation schematic diagram that safety zone scope of the present invention is determined；
Fig. 3 is the flow chart of safety zone method of determining range of the present invention；
Fig. 4 is the determination methods schematic diagram that safety zone border of the present invention is mutually touched with dangerous buffer area；Fig. 5 is
Another determination methods schematic diagram is mutually touched with dangerous buffer area in safety zone border of the present invention；
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of safety zone method of determining range, and how specific safety zone, which plans, to examine
Consider the various factors of landform.Before outdoor practice in popular science activity is carried out, this area domain is entered first in the form of thematic maps
Row roughing, then carries out in-depth investigation and research, obvious danger zone by ARCGIS addressings, selects and generally conforms to what is required
Region being further analyzed (in the present embodiment, before outdoor practice in popular science activity is carried out firstly the need of carrying out addressing, and
Not every place is suitable for doing outdoor activity to popularize scientific knowledge, and the danger zone in the region after location is chosen again to choosing is carried out
Mark, then determines safety zone according to the mark of danger zone).
After location is chosen, all danger zones are marked out on map, and the position of all danger zones is believed
Breath is all recorded, then using the edge of danger zone as border, will be far from 10~30m of danger zone border region setting
For dangerous buffer area, and the positional information of dangerous buffer area is also all recorded.In the present embodiment, using point, line,
The different figure layer in three kinds of face etc. sets up danger zone and dangerous buffering area, will be far from the ground within 10~30m of danger zone border
Reason region is set as dangerous buffering area and drawn parallel comes out, and general we are five kinds risk zontation：River, mountain
Precipice, dangerous obstacles (falling rocks, high-tension electricity post etc.), abrupt slope and haunted region without wild violent wild beast.Based on this, it can be envisaged that will
All danger zones are marked out on map to be come, and its position is all recorded.Using the edge of the danger zone as boundary
10~30m geographic area (i.e. dangerous buffer area) all parallel mark, for example, river be it is long, just by the 10 of its both sides~
30m geographic area marks off according to the shape in river, and it is the slow of 10~30m that dangerous obstacles, which can then draw a radius,
Rush area.In the present embodiment, all regions are labeled from longitude and latitude, because either hazardous area or dangerous buffering
Area, the information such as longitude and latitude of these regions on map be all it is unique, can be by all dangerous buffering areas by longitude and latitude
The latitude and longitude information in domain, which is marked out, to be come, and then will mark scope as a standard.
Beyond away from danger zone and dangerous buffer area, one radius centered on mobile people of self-defining is
30~50m circular safety region；With the movement of people, circular safety region also changes therewith, when circular safety zone boundary
Any one side mutually touched with any dangerous buffer area, then the positional information on this one side of touching is recorded so that
Form the safety zone that a shape is varied from and is close to dangerous buffer area edge.That is, with the shifting of people
Dynamic, i.e. the change of longitude and latitude, circular safety region is also being moved with us, if any one side of our zone boundary is with appointing
Mutually touch one danger zone, then the latitude and longitude information on this one side of touching is become to the edge longitude and latitude letter for turning to the danger zone
Breath, is varied from this way, the safety zone of our this circle has also reformed into a shape and is close to danger zone side
The safety zone of edge.In the case of being overlapped mutually in two regions, GIS spatial overlay analysis is utilized, it is possible to it is determined that safety
The scope in region.
We are described further referring to Fig. 1~3 pair the present embodiment below：
It is shown in Figure 1, we analyzed with arcgis danger zone (river, cliff, dangerous obstacles, abrupt slope, without open country
Raw ferociousness wild beast haunts)；Geographic area within 10~30m of danger zone is all drawn out and is used as dangerous buffering area
Domain, dangerous buffer area is planned according to the shape parallel of danger zone, W1, W2, W3 etc. is defined as, by W1, W2, W3
Excursion Deng the longitude and latitude of danger zone is recorded, respectively F1, F2, F3 etc.；Referring to shown in Fig. 2~3, self-defining
One radius centered on mobile people (sets the latitude and longitude information of the people of trip for 30~50m circular safety region Q1
Positional information for the people of the variable movement can be showed by GPS on map, with the change of the positional information of people,
Radius centered on it is also changing for the position of 30~50m circle)；Using longitude and latitude judge Q1 whether with more than W1,
W2, W3 etc. are overlapping；It is when Q1 is overlapping with W1, W2, W3 etc., the Q1 borders overlapping with W1, W2, W3 etc. is identical, and then determine peace
Region-wide scope；When Q1 is no overlapping with W1, W2, W3 etc., it was demonstrated that Q1 parts are safety zones, at this moment, continue to move ahead, directly
To any while untill when overlapping with W1, W2, W3 etc. of Q1.
Referring to shown in Fig. 4~5, the present embodiment also provides the method bag that a kind of judgement safety zone and danger zone are wanted to contact
Include the following aspects：
How to judge whether safety zone is in contact with danger zone, and how to judge that the two regions are intersecting
And before how judging that the two region disconnectings come, we first assume that dangerous buffer area is specific region shape,
Such as river is linear, and the dangerous buffer area of other several classes is circle, so it can be understood that being circle and straight for a class
Tangent, intersecting between line and from, in addition a class be between circle and circle it is tangent, intersect and from (it is certain, in reality
Dangerous buffer area may not be specific region shape in border, but its piecemeal can be divided into linear and circle by us
Shape).
It is shown in Figure 4, the first situation：The determination of position relationship between circle and straight line.First, in the present embodiment
In, we by the radius in the circular safety region centered on mobile people be set as 30m (during actual motion we
Radius can be set as any distance), on this basis, the distance between the center of circle in setting circular safety region and straight line are
dO-L, three kinds of situations are had herein：1., d tangent with straight line is justifiedO-L=R=30m, i.e. circular safety zone boundary are buffered with dangerous
Region is mutually touched, and the longitude and latitude of dangerous buffer area herein is exactly the scope on safety zone border；2. justify and straight line intersection：
dO-L<R=30m, some is overlapped for circular safety zone boundary and dangerous buffer area, at this moment, by mobile people away from dangerous
Safety zone, it is tangent until the border in circular safety region and the border of dangerous buffer area untill；3. justify with straight line from,
dO-L>R=30m, at this moment, circular safety zone boundary are not touched with dangerous buffer area, and mobile people continues to run forward,
The circular safety zone boundary does not change, just until circular safety zone boundary will be touched with dangerous buffer area border,
Just stop, record the longitude and latitude of dangerous buffer area at this；By mobile people's back and forth movement so most place of safety at last
The specific scope in domain is determined.
It is shown in Figure 5, second of situation：The determination of position relationship between circle and circle.First, in the present embodiment,
The radius in the circular safety region centered on mobile people is set as 30m by us, and the radius of dangerous buffer area is set
For 20m (radius can be set as any distance by us during actual motion), on this basis, two centers of circle are set
The distance between be dO1-O2, three kinds of situations are had herein：1. two justify circumscribed, dO1-O2=R+R1=30m+20m=50m, now,
I.e. circular safety zone boundary is mutually touched with dangerous buffer area, and the longitude and latitude of dangerous buffer area herein is exactly safety zone
The scope on border；2. two circles are intersecting：10m=R-R1<dO1-O2<R+R1=50m, circular safety zone boundary and dangerous buffer area
Some is overlapped, at this moment, by mobile people away from dangerous safety zone, until the border in circular safety region is buffered with dangerous
Untill the border in region is mutually circumscribed；3. justify with straight line from dO-L>R+R1=50m, now, circular safety zone boundary and danger
Buffer area is not touched, and mobile people continues to run forward, and the circular safety zone boundary does not change, just until circle
Safety zone border will be touched with dangerous buffer area border, just be stopped, and record the longitude and latitude of dangerous buffer area at this；Through
Crossing the people moved back and forth movement so, most the specific scope of safety zone is determined at last.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (5)
1. a kind of safety zone method of determining range, it is characterised in that comprise the following steps：
S1, on map all danger zones are marked out, and the positional information of all danger zones is all recorded；
S2, using the edge of danger zone as border, the region that will be far from 10~30m of danger zone border is set as dangerous buffering area
Domain, and the positional information of dangerous buffer area is all recorded：
S3, beyond away from danger zone and dangerous buffer area, one radius centered on mobile people of self-defining is
30~50m circular safety region；
S4, the movement with people, circular safety region also change therewith, when circular safety zone boundary any one side with it is any
Mutually touch dangerous buffer area, then recorded the positional information on this one side of touching, so that foring a shape has
Change and be close to the safety zone at dangerous buffer area edge.
2. safety zone method of determining range according to claim 1, it is characterised in that：In step sl, in map
On by all danger zones mark out come before, first in the form of thematic maps to this area domain carry out roughing, significantly
Select the region for generally conforming to require by ARCGIS addressings and be further analyzed in danger zone.
3. safety zone method of determining range according to claim 2, it is characterised in that：Danger zone, dangerous buffering
Region, all positional informations of safety zone are labeled using the longitude and latitude of the position, and the danger zone, danger are slow
It is unique to rush latitude and longitude information of the region on map, and the latitude and longitude information of safety zone is variable, with the position of mobile human
Confidence ceases and changed.
4. safety zone method of determining range according to claim 1, it is characterised in that：The danger zone includes bag
Whether whether include has river, cliff, dangerous obstacles, abrupt slope and has wild violent wild beast to haunt, each danger zone
Set up danger zone model.
5. safety zone method of determining range according to claim 4, it is characterised in that：The danger zone model bag
Include linear pattern danger zone model and circular danger zone model.
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| CN201710439579.5A CN107247781A (en) | 2017-06-12 | 2017-06-12 | A kind of safety zone method of determining range |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109584520A (en) * | 2019-01-09 | 2019-04-05 | 江苏金沙互联电子商务有限公司 | A kind of waters safe distance method for early warning and system |
| CN110503800A (en) * | 2019-08-27 | 2019-11-26 | 安徽华米信息科技有限公司 | A kind of anti-loss method, the device of intelligence wearable device |
| CN111639971A (en) * | 2020-05-29 | 2020-09-08 | 张宝云 | Automatic site selection method |
| CN112843717A (en) * | 2021-03-12 | 2021-05-28 | 网易（杭州）网络有限公司 | Resource allocation method, device, storage medium and computer equipment |
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| CN104333849A (en) * | 2014-11-25 | 2015-02-04 | 安易讯科技（大连）有限公司 | Warning system for smart phone area |
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| CN102089793A (en) * | 2008-07-16 | 2011-06-08 | 高通股份有限公司 | Method for dynamic creation of a geofence in a wireless system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109584520A (en) * | 2019-01-09 | 2019-04-05 | 江苏金沙互联电子商务有限公司 | A kind of waters safe distance method for early warning and system |
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| CN111639971A (en) * | 2020-05-29 | 2020-09-08 | 张宝云 | Automatic site selection method |
| CN111639971B (en) * | 2020-05-29 | 2024-02-27 | 张宝云 | Automatic site selection method |
| CN112843717A (en) * | 2021-03-12 | 2021-05-28 | 网易（杭州）网络有限公司 | Resource allocation method, device, storage medium and computer equipment |
| CN112843717B (en) * | 2021-03-12 | 2024-02-13 | 网易（杭州）网络有限公司 | Resource allocation method and device, storage medium and computer equipment |
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