DIGITAL DRAWING AND LAND REPRESENTATION

Single discipline educational activity

Course Sheet

Course code:

AI7622

Academic Year of enrolment:

2018

Year of supply:

2020/2021

Type of Course:

Elective Course

Degree:

Course of 1st Cycle Degree in BUILDING ENGINEERING

Disciplinary Sector:

Design

Location:

PESCARA

Credits:

Programme Year:

Professor and Collaborators:

PALKA Pierpaolo

Cycle:

First semester

Hours of classroom activity:

Individual study hours:

Prerequisites:

The prerequisites for the course include:
- knowledge of classical descriptive geometry;
- knowledge of analytical projectivity geometry;
- elementary use of cad.

Objectives

The Digitalized Drawing and Representation of the Territory course aims to provide students with the fundamental tools for learning the notions of Analytical Objective Geometry and Classical Projectivity Geometry necessary for understanding general scientific issues that underpin new drawing tools such as CAD and GIS. The course starts with the History of Representation with a general analysis of the personality of the most important characters who have contributed to the transformation of the Design from classic paper media to digital ones. Next, we focus, in particular, on the purely analytical issues that have allowed the implementation of the algorithms behind CAD programs. Knowledge of the workings of the algorithms behind Digital Drawing is considered indispensable in order to obtain the desired results through the use of complex vector graphics entities, now, often required in architectural design buildings. It is also not overlooked the importance that GIS is increasingly having today in the field of Territorial Data Management, showing not only how they work but by illustrating the way in which graphic entities are linked to the information of a Relational Data Base.

Contents

It is well known that one of the most important aspects related to the topics related to architecture, is undoubtedly the science of representation, which, using the classic design based on projective rules known and well consolidated over time, allows to draw the various elements, which make up its profile.
Retracing the history of various human achievements, together with the numerous anthropological phenomena, it is highlighted how even architectural studies have undergone evolutionary moments that have involved, in a remarkable and rapid way, concepts theorized from the distant past.

Extended Syllabus

EXTENDED PROGRAM

Premise

1. CENNI STORICI

1.1 The Science of Representation
2 Technological Evolution

2. DESCRIPTIVE GEOMETRY

2.1 The Classic Perspective
2.2 Digital Media Perspective

3. DIGITAL SUPPORTS

3.1 Digital Display.
3.2 From natural coordinates to real coordinates
3.3 Parameter Equations

4. PROJECT AND SECTION OPERATIONS

4.1 Projection and Section
4.2 Digital Support Features
4.3 33 3D design
4.4 3D view
4.5 The XZ Plan

5. CLIPPING

5.1 The Clipping of Weiler – Atherton

6. STRUCTURE OF A CAD

6.1 Graphic entity codes
6.2 Graphical entity containers
6.3 Basic graphics and curve resolution
6.4 Spring effect in graphic entity drawing

7. The basic CAD COMMANDS

7.1 Size
7.2 Extend
7.3 Break
7.4 Offset

8. SUPERFICI

8.1 Filling a surface
8.2 Hole of a surface

9. SOLIDS

9.1 Solid with surfaces
9.2 Solid properly said or extruded
9.3 Make three-dimensional objects more readable
9.4 Deleting Hidden Faces Analytically
9.5 Painter's Algorithm
9.6 Zeta_Buffer Algorithm
9.7 Shading Algorithm
1) flat shading
2) Gouraud
3) Phong

Recommended Bibliography

1- M. Docci, R. Migliari, Science of Representation. Fundamentals and applications of descriptive geometry, Rome: New Italy.
2- History of Fotorad I Arachne, 2012.
3- P. Palka, E. Cavallini, Computer Science Applied to Automatic Design, Arachne Publishing, 2013.
4- Steven Harrington, Computer Graphics, Mc Graw Hill, 1987.
5- Rogers, Adams, Mathematical Elements for Computer Graphics, 1990.
6- Leendert Ammeraal, Graphical Programming in C.
7- Architectural Design Manual

Methods of Provision

Conventional

Teaching Methods

The teaching of the subject follows a two-pronged way, one involves the projection of formulas and algorithms via slides, so as to have, a clear view of the topics exposed, the other involves the use of proprietary software with which the architectural projects, showing all the passages that serve its realization comforted by the related reasonings, for a better understanding of them. In this regard, there will be exercises with the automatic drawing program, free, RILARCH. This year was also added the possibility to contact the teacher via the network so as to allow even those who cannot follow the lessons, to stay up to date.

Evaluation methods

Verification of learning:

The checks are carried out through:
Written test: for engineering students, it consists in the representation of a design table with perspective plants and sections of a building of their choice, as well as the spatial representation of the same building, with all the construction elements.
For design students it consists in the representation of a 3D environment furnished by them with objects related to the theme of their choice, such as hospitals, bars, schools etc.
The projects are carried out through an automatic drawing program that is provided to them free of charge at the beginning of the year as teaching support together with an online and video pantry on which all the necessary steps are illustrated to arrive at the 2D and 3D representation of the various themes chosen, and revised at times reserved for revisions.
Oral exam: consists in the explanation of the work carried out to demonstrate the ability to represent the objects inherent in the chosen project. Then questions are asked about the geometric procedures used for the construction of the elements, explained during the year, with which, the same, can show the ability to clearly express what has been learned during the course.
The votes are awarded in thirtieths.
The written test is evaluated up to 70% depending on the complexity of the project and the organization of environments.
The oral exam is evaluated up to the remaining 30%.

Contacts/More Information

In the full awareness and knowledge of the evolutionary path of the way of representing a design, and without rejecting the results achieved, one has to wonder if the same projective rules, used for traditional drawing on paper, are valid similarly for the new type of digital drawing and whether, in the event of a positive response, they can be applied in the same way.
Is it simply a change of instrument?
The teaching activity carried out during the digitized drawing course will try to provide students with the tools useful to arrive at an answer that is certainly not very simple since in it are implicated numerous and various concepts, including those related new semantics.

Università degli Studi
"G. d'Annunzio"

Chieti - Pescara

Aree