CN101021416A - Method for measuring tree height by total station instrument - Google Patents
Method for measuring tree height by total station instrument Download PDFInfo
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- CN101021416A CN101021416A CN 200710001105 CN200710001105A CN101021416A CN 101021416 A CN101021416 A CN 101021416A CN 200710001105 CN200710001105 CN 200710001105 CN 200710001105 A CN200710001105 A CN 200710001105A CN 101021416 A CN101021416 A CN 101021416A
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Abstract
The invention discloses a hypsometrical measurement method by using total station. Take total station to measure angle and PDA to real-timely save and manage data. Take allocating total station twice on the same vertical face and total station front converging method to realize real-time measuring of tree height without setting total station on horizontal distance of trunk center, which can overcome influence of forest terrain complexity. It makes good use of precious angular function of total station and strong data managing and saving function of PDA. All field observed data is saved by PDA and to calculate and save tree height by PDA programming, which improves monitoring precision greatly, reduces workload and improves working efficiency.
Description
One, technical field
The present invention relates to measure in a kind of forest resource monitoring the method for the height of tree, particularly a kind of at the method for measuring tree height by total station instrument that can't measure under the horizontal range condition.
Two, technical background
In traditional forest resource monitoring, the measurement of the height of tree is an insoluble problem always, usually it is high to adopt height finder to survey, eye estimating method or cooperate with tape measure, scale by box compass, transit, use the triangulated height method and carry out the measurement of the height of tree, above the whole bag of tricks all exists its shortcoming:
1. in the forest zone, cooperate with tape measure, scale, when application triangulated height method measures the height of tree, be subjected to the restriction of factors such as landform, the gradient, the density of crop, make horizontal range be difficult to measure, limited the use of instrument by box compass, transit;
When 2. adopting height finder to measure the height of tree, data can't real-time storage with resolve, data are by manual record, inefficiency, workload is big;
3. adopt eye estimating method, precision is lower.
So traditional height of tree measuring method is subject to the restriction of forest mesorelief complicated factor in the forest resource monitoring journey, and workload is big, automaticity is low, precision is not high, therefore, quick, the high-acruracy survey of the realization height of tree become this area scientific and technical personnel problem anxious to be solved.
Three, summary of the invention
In order to overcome a lot of troubles that existing height of tree measuring method is brought inevitably in the forest resource monitoring process, improve accuracy of observation and work efficiency, the purpose of this invention is to provide a method for measuring tree height by total station instrument, be implemented in quick, the high precision measurement that to measure the height of tree under the horizontal range condition, overcome the shortcoming that prior art exists.
The object of the present invention is achieved like this: adopt the total station survey angle, by PDA (Personal Digital Assistant, the personal electric assistant) real-time storage and deal with data, need not to measure the horizontal range of total powerstation, adopt same vertical guide to settle for twice the method for total powerstation and the three-dimensional forward intersection of total powerstation to realize the real-time measurement of the height of tree to the trunk center.
The method that wherein same vertical guide settles total powerstation to measure the height of tree twice is as follows: at first, adopt total powerstation to record the observation sight line to the zenith distance V that sets the end
1Reach zenith distance V to the treetop
2Then, in the same vertical guide of settling for the first time total powerstation, settle total powerstation once more, record the observation sight line to the zenith distance V that sets the end
3Reach zenith distance V to the treetop
4At last, get the distance L between the survey station of settling total powerstation for twice with the tape measure amount, 1. by digital-to-analogue
Wherein the method for the three-dimensional forward intersection measurement of the total powerstation height of tree is as follows: at first, settle total powerstation at A, B two survey stations, utilize tape measure to record distance D between A, B two survey stations; Then, record to the observation sight line of trunk and to the horizontal sextant angle α between the observation sight line of survey station B by the total powerstation that is placed in survey station A
1, and record to the observation sight line of trunk and to the horizontal sextant angle α between the observation sight line of survey station A by the total powerstation that is placed in survey station B
2At last, record the observation sight line to the zenith distance V that sets the end by the total powerstation that is placed in survey station A
5Reach zenith distance V to the treetop
6, 2. by digital-to-analogue
This invention compared with prior art has the following advantages:
1. adopt high-precision instrument of surveying and mapping total powerstation to carry out trees and highly measure, improved monitoring accuracy greatly;
When 2. measuring the height of tree, need not measure the flat distance of total powerstation to the trunk center, having overcome in surveying the district has abrupt slope or gully can't measure the shortcoming of horizontal range;
3. adopt PDA to carry out data storage and calculating, can real-time resolving, reduced workload, improved work efficiency.
Four, description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is that same vertical guide settles for twice total powerstation to measure height of tree synoptic diagram;
Fig. 2 is that the three-dimensional forward intersection of total powerstation measures height of tree synoptic diagram.
Five, embodiment:
Method for measuring tree height by total station instrument is different with existing method, done significant improvement, specifically: adopt full site type electronic tachometer to take measurement of an angle, by PDA real-time storage and deal with data, need not to measure the horizontal range of total powerstation to the trunk center, adopt same vertical guide to settle for twice the method for total powerstation and the three-dimensional forward intersection of total powerstation to realize the measurement of the height of tree, simultaneously, give full play to the angle measurement function and the powerful data processing and the store function of PDA of full site type electronic tachometer precision, gather and handle field data in real time.Embodiment is as follows:
1. in the topographic condition of forest zone complexity, surveying in the district has abrupt slope or gully can't measure under the situation of horizontal range, as shown in Figure 1: at first, and arrangement total powerstation in the more smooth zone of landform, the aiming tree end and treetop record the observation sight line respectively to the zenith distance V that sets the end
1Reach zenith distance V to the treetop
2Secondly, in the same vertical guide of settling for the first time total powerstation, settle total powerstation to record the observation sight line once more to the zenith distance V that sets the end
3Reach zenith distance V to the treetop
4At last, utilize the tape measure amount to get distance L between the survey station of settling total powerstation for twice; All observation datas are all imported among the PDA in real time and are stored, by digital-to-analogue 1.
Factorization in PDA calculates the height of tree and storage automatically by PDA.
2. when utilizing the method realization measurement height of tree of the at first three-dimensional forward intersection of total powerstation, as shown in Figure 2: at first, in smooth settle total powerstation, and utilize tape measure to record distance D between A, B two survey stations of physical features at A, B two survey stations; Secondly, aim at trunk and survey station B respectively, record to the observation sight line of trunk and to the horizontal sextant angle α between the observation sight line of survey station B by the total powerstation that is placed in survey station A
1, and aim at trunk and survey station A respectively by the total powerstation that is placed in survey station B, record to the observation sight line at trunk center and to the horizontal sextant angle α between the observation sight line of survey station A
2At last, aim at the tree end and treetop respectively, record the observation sight line to the zenith distance V that sets the end by the total powerstation that is placed in survey station A
5Reach zenith distance V to the treetop
6All observation datas are all imported among the PDA in real time and are stored, according to digital-to-analogue 2.
The program of working out in PDA is calculated the height of tree and preservation in real time by PDA.
Claims (3)
1. method for measuring tree height by total station instrument, adopt the total station survey angle, by PDA (Personal Digital Assistant, the personal electric assistant) real-time storage and deal with data, it is characterized in that: need not to measure the horizontal range of total powerstation, adopt same vertical guide to settle for twice the method for total powerstation and the three-dimensional forward intersection of total powerstation to realize the real-time measurement of the height of tree to the trunk center.
2. method for measuring tree height by total station instrument according to claim 1 is characterized in that: the method that wherein same vertical guide settles total powerstation to measure the height of tree twice is as follows: at first, adopt total powerstation to record the observation sight line to the zenith distance V that sets the end
1Reach zenith distance V to the treetop
2Then, in the same vertical guide of settling for the first time total powerstation, settle total powerstation once more, record the observation sight line to the zenith distance V that sets the end
3Reach zenith distance V to the treetop
4At last, get the distance L between the survey station of settling total powerstation for twice with the tape measure amount, 1. by digital-to-analogue
Try to achieve the height of tree.
3. method for measuring tree height by total station instrument according to claim 1 is characterized in that: wherein the method for the three-dimensional forward intersection measurement of the total powerstation height of tree is as follows: at first, settle total powerstation at A, B two survey stations, utilize tape measure to record distance D between A, B two survey stations; Then, record to the observation sight line of trunk and to the horizontal sextant angle α between the observation sight line of survey station B by the total powerstation that is placed in survey station A
1, and record to the observation sight line of trunk and to the horizontal sextant angle α between the observation sight line of survey station A by the total powerstation that is placed in survey station B
2At last, record the observation sight line to the zenith distance V that sets the end by the total powerstation that is placed in survey station A
5Reach zenith distance V to the treetop
6, 2. by digital-to-analogue
Try to achieve the height of tree.
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| CN 200710001105 CN101021416A (en) | 2007-01-18 | 2007-01-18 | Method for measuring tree height by total station instrument |
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| CN 200710001105 CN101021416A (en) | 2007-01-18 | 2007-01-18 | Method for measuring tree height by total station instrument |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749995B (en) * | 2009-12-17 | 2011-03-16 | 山东农业大学 | Rapid tree height determination method under adverse tree base visibility condition |
| CN102022997A (en) * | 2010-11-03 | 2011-04-20 | 河南省电力公司洛阳供电公司 | Method for surveying sight distance and altitude difference of lines across obstacles |
| CN102207363A (en) * | 2011-03-24 | 2011-10-05 | 北京林业大学 | Tree height measuring triangular rule and application method thereof |
| CN102261903A (en) * | 2011-06-14 | 2011-11-30 | 北京林业大学 | Method for measuring forest based on electronic theodolite and total station |
| CN101749988B (en) * | 2009-12-17 | 2012-01-25 | 山东农业大学 | Device for efficiently measuring tree height |
| CN102466474A (en) * | 2010-11-12 | 2012-05-23 | 北京林业大学 | Method for measuring height of unreachable point tree |
| CN103175491A (en) * | 2012-07-19 | 2013-06-26 | 谢鸿宇 | Tree measuring method and tree measuring system |
| CN105136106A (en) * | 2015-08-14 | 2015-12-09 | 北京林业大学 | Unreachable point forest electricity through method precise observation method |
| CN105222756A (en) * | 2015-09-18 | 2016-01-06 | 北京林业大学 | A kind of CCD combines total powerstation biplate photography assize technology |
| CN105571539A (en) * | 2014-10-10 | 2016-05-11 | 桂林电子科技大学 | Portable arbor height and relative coordinate measuring device |
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2007
- 2007-01-18 CN CN 200710001105 patent/CN101021416A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749988B (en) * | 2009-12-17 | 2012-01-25 | 山东农业大学 | Device for efficiently measuring tree height |
| CN101749995B (en) * | 2009-12-17 | 2011-03-16 | 山东农业大学 | Rapid tree height determination method under adverse tree base visibility condition |
| CN102022997A (en) * | 2010-11-03 | 2011-04-20 | 河南省电力公司洛阳供电公司 | Method for surveying sight distance and altitude difference of lines across obstacles |
| CN102466474A (en) * | 2010-11-12 | 2012-05-23 | 北京林业大学 | Method for measuring height of unreachable point tree |
| CN102207363A (en) * | 2011-03-24 | 2011-10-05 | 北京林业大学 | Tree height measuring triangular rule and application method thereof |
| CN102261903B (en) * | 2011-06-14 | 2015-02-04 | 北京林业大学 | Method for measuring forest based on electronic theodolite and total station |
| CN102261903A (en) * | 2011-06-14 | 2011-11-30 | 北京林业大学 | Method for measuring forest based on electronic theodolite and total station |
| CN103175491A (en) * | 2012-07-19 | 2013-06-26 | 谢鸿宇 | Tree measuring method and tree measuring system |
| CN103175491B (en) * | 2012-07-19 | 2016-01-20 | 谢鸿宇 | A kind of tree measurement method and tree measurement system |
| CN105571539A (en) * | 2014-10-10 | 2016-05-11 | 桂林电子科技大学 | Portable arbor height and relative coordinate measuring device |
| CN105136106A (en) * | 2015-08-14 | 2015-12-09 | 北京林业大学 | Unreachable point forest electricity through method precise observation method |
| CN105136106B (en) * | 2015-08-14 | 2017-03-08 | 北京林业大学 | One kind can not the point of arrival forest electricity through the accurate observation procedure of method |
| CN105222756A (en) * | 2015-09-18 | 2016-01-06 | 北京林业大学 | A kind of CCD combines total powerstation biplate photography assize technology |
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