slide introduction to “bkhcm” software for adjustment, accuracy assessment and design surveying networks

14th CONFERENCE ON SCIENCE AND TECHNOLOGY INTRODUCTION TO “BKHCM” SOFTWARE FOR ADJUSTMENT, ACCURACY ASSESSMENT AND DESIGN SURVEYING NETWORKS Loc Dao Department of Geomatics Engineering Outlines  Objectives  Introduction to BKHCM  Adjustment  Survey network design  Assess stability of control points with iterative measurements over several periods  Comparison with other software packages  Conclusion 14th conference on science and technology 05/09/2021 Objectives  Having a software package for adjusting vertical and horizontal networks on the plan or Cartesian  Supplying a tool for analyzing and designing wide range of surveying networks  Assessing the stable benchmarks after having data measurements over several periods 14th conference on science and technology 05/09/2021 What is “BKHCM”?  Written by using Delphi programming language (developed from Pascal) The software is compiled into exe file running on PC with OS window 95 or later OS  BKHCM’s menus look like Microsoft Office 2007 (Ribbon style), it also offer many window forms to input data and display results 14th Conference on science and technology 05/09/2021 BKHCM software Bình sai "BKHCM" Phân tích ổn định 14th Conference on science and technology Thiết kế lưới 05/09/2021 Constrained adjustment of level networks 14th Conference on science and technology 05/09/2021 Constrained adjustment of level networks 14th Conference on science and technology 05/09/2021 Loading a level diagram into software 14th Conference on science and technology 05/09/2021 Free adjustment of level nets 14th Conference on science and technology 05/09/2021 Report of level adjustment 10 14th Conference on science and technology 05/09/2021 Full display for angles, distances, bearings and coordinates of designed points 27 14th Conference on science and technology 05/09/2021 Tabular coordinates in survey network design 28 14th Conference on science and technology 05/09/2021 Assess of accuracy in horizontal surveys 29 14th Conference on science and technology 05/09/2021 Results in assessing accuracy of network’s factors 30 14th Conference on science and technology 05/09/2021 Assessing stability of control points 31 14th Conference on science and technology 05/09/2021 Assessing stability of level control points 32 14th Conference on science and technology 05/09/2021 The analysis between period and 33 14th Conference on science and technology 05/09/2021 Assessing stability of horizontal networks 34 14th Conference on science and technology 05/09/2021 Assessing stability of horizontal networks 35 14th Conference on science and technology 05/09/2021 Assessing stability of GPS networks in Cartesian coordinates 36 14th Conference on science and technology 05/09/2021 Results 37 14th Conference on science and technology 05/09/2021 Comparison with other software  There were small biases or nearly matches between BKHCM computation results and other software such as DPSurvey, Licad Plus and Picknet  Some certain advantages found in this software (please refer to the full paper for more detail descriptions) 38 14th Conference on science and technology 05/09/2021 Conclusion  Offer a variety of functions and utilities  Supply a new option to customers  A helpful tool for Geomatics students 39 14th Conference on science and technology 05/09/2021 BKHCM’s demo 40 14th Conference on science and technology 05/09/2021 41 14th conference on science and technology 05/09/2021 ... science and technology 05/09/2021 Objectives  Having a software package for adjusting vertical and horizontal networks on the plan or Cartesian  Supplying a tool for analyzing and designing... science and technology 05/09/2021 Constrained adjustment of level networks 14th Conference on science and technology 05/09/2021 Loading a level diagram into software 14th Conference on science and. .. science and technology 05/09/2021 Point selections, designed traverses & networks 25 14th Conference on science and technology 05/09/2021 Designed diagrams 26 14th Conference on science and technology