12 Jul MAPPING FOR ENGINEERING
Mapping for Engineering Surveying and GIS Practical
Project 2
Aims and Objectives
To design experiments and undertake a comparison of results and products; a. Aerial triangulation assessment of limitations and benefits of airborne GPS and a comparison of camera calibration models. b. Comparison of 3D vector data collection using Stereo Analyst and ArcGIS with 3D vector data collection using the ortho-image. c. Comparison of digital surface models (DSMs) produced by photogrammetry with airborne laser scanning (Lidar). d. Comparison of building modelling techniques produced by close range photogrammetry with mobile laser scanning. (3 weeks)
Assessment
Poster (40%) (Typically this should include; design of the experiments how the experiment was performed (methodology) the results and their evaluation critical review of methods any other comments). The poster should be a PowerPoint (digital) poster (A0 size 1189x841mm landscape).
Do not try and overload the poster with text or images remember a poster should be read from about 2-3m away so small text and diagrams should be avoided. You might like to look at the specification given to presenters at international conferences this is an example from the International Society for Photogrammetry and Remote Sensing; http://www.isprs.org/documents/orangebook/app6.aspx .
Methodology and equipment
ERDAS Imagine & Leica Photogrammetry Suite to be used for Aerial Triangulation DSM extraction and Orthophoto production
ERDAS Imagine and Stereo Analyst to be used for vector data collection from stereo pair of aerial images ArcGIS to be used for the collection of vector data from Orthophoto
For objective a b and c the same project area and date as provided in Project 1
For objective a appendix B gives some suggestions.
For objective b give some thought about the parameters you should use in the comparison. These should be the important characteristics e.g. speed of data collection correctness of position
For objective c the airborne laser scanning data will be provided. o Give thought to the resolution of the data (spacing of points) and the measurement quality of the data. You will have to consult manufacturers and/or published documents to find the quality of Lidar data.
For objective d consider the following tasks: o A DSM from mobile laser scanning will be provided.
To create the 3D computer model of the building using close-range photogrammetry you will need to collect digital camera images of the faades of the building and use Photomodeller to create the model.
1. A digital SLR camera (or your own) will be used to collect a series of photographs around the Exchange building Jubilee Campus. The camera calibration process within Photomodeller will be discussed.
2. The processing of the images using Photomodeller can then be undertaken. A separate hand out will be provided to guide you through this process.
Documentation and tutorials
An Introduction to 3D Building with stereo analyst.doc
An Introduction to 3D modelling with Photomodeler.doc
Texture_mapping_and_visualization.doc
Introduction to 3D Modelling from Laser Scanning data with Geomagic Studio
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Order Now” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.