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Landscape Architects are not surveying profes- GNSS and laser scanning are new buzzwords in Land- sionals, but understanding how to apply differ- scape . But which surveying technolo- ent surveying methods, as well as the workflow gy is best suited for which project, how much time and effort necessary to create the data they does it take, what are the measurement principles use for their design concepts, is essential. In of these instruments and how do you collect land- June 2013, the Leica Geosystems team in Nan- scape information and build landscape models? The jing, China provided instruments, know-how and instructors of the “From GeoDesign to Landscape manpower for the workshop “From GeoDesign Design” workshop teamed up with Leica Geosystems to Landscape Design”, taught by Prof. Dr. Li Pang to teach students at SEU how to solve these and and Prof. Peter Petschek, to educate future other surveying related questions. Landscape Architects on different surveying methods. During the first part of the workshop, the students learned to use the Leica Geosystems laser scanning by Dr. Li Pang and Prof. Peter Petschek technology on site in an area covered with abundant trees and bushes and with a pond in the middle. The In the past years, the role of Landscape Architec- advantages of measuring millions of points within a ture in China has completely changed. The Chinese very short time quickly became clear. But the stu- government now considers it equal in importance dents also realized that laser scanning is not the to Architecture and Planning. This is also reflected answer to every task in - for in the university system. Landscape Architecture is even more precise landscape design/planning and an established university degree equal to other dis- stake-out in the field the students were introduced ciplines in the planning and construction area. At to the Leica Builder total station. South East University (SEU) in Nanjing, one of the top universities in this field, the subject is taught at In the second part of the workshop the students Bachelor, Master and PhD levels. were taught how to create Digital Terrain Models

12 | Reporter 69 (DTM) from the data observed with the Leica Builder. making the development of landscape design solu- AutoCAD Civil 3D with its many possibilities to ana- tions in China easier. lyze and manipulate the terrain was used for this purpose. The DTM know-how was then applied to a About the authors: design project. Prof. Dr. Li Pang gave the students Li Pang received her PhD at ETH Zürich and teaches guidance on how to achieve a design in Landscape Landscape Architecture at SEU. Architecture based on existing topography. [email protected] Peter Petschek is a graduate and By understanding the entire process involved from professor at HSR University of Applied Sciences Rap- survey to final data delivery Landscape Architects perswil/Switzerland. can communicate more efficiently with Surveyors, [email protected]

3D Survey Data for Landscape Architecture

Land Survey Data is the basis for every Landscape scape data is becoming ever more essential. Existing Architecture project. With an increased demand for topography, vegetation, buildings and infrastructure 3D landscape visualizations and the need for sci- have to be precisely located in digital plan format in entific decision-making processes in contemporary order to develop design concepts for urban green landscape architecture design/planning, precise land- spaces, plazas, parks and gardens.

The Global Magazine of Leica Geosystems | 13