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General guidelines for the testing course TECHNICAL DRAWING II 2012-2013

The last years I have had the responsibility of coordinating testing of technical drawing attached to the universities of Madrid and Guadalajara.

Its design has been modified, for a couple of courses, to respond to the current needs, varying the shape measurement of the courses contents and the objectives attained by our students.

Here are some of the most important aspects in this regard are detailed.

Guidelines for the testing of technical drawing II

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Diédrico System: Projection of the line

After seeing the foundations of Diédrico System, with the projection of a point on two planes orthogonal projection, let's see how you can wean the system of land line as we have two or more points. This system called “Free System” is more flexible than the traditional because Monge, giving prominence to the reference lines and guiding the conceptual model to a more constructive and less spatial geometry.

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Fundamentals del System dihedral

We have seen in presenting Representation Systems descriptive geometry that is the set of techniques that allows to represent geometric character three dimensional space on a two dimensional surface.

In particular we explore in detail the so-called “System dihedral” based on the prospects ratios appearing in the cylindrical projection on two planes orthogonal projection.

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Pieces of Drafting [2] (Solución) [Normalization] [Education]

Solution to the second piece of technical drawing.

They have represented the two main views (elevation and plan) leaving the student performing a profile that finished defining one of the inclined planes.

Between the two possible profiles, we use one hidden lines of least.

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The problem of the two peoples and the bridge

One of the first problems of geometry metric I propose to my students is to start the geometric model analysis while we review the basic transformations studied in earlier.

The problem is posed as a real case study, spiced up with a story that varies as a deeper analysis, and I jokingly call “The Cool River Bridge”, or “problem of the two peoples and the bridge”.

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Parallel lines intersect at infinity, Myth or Reality?

One of the hardest concepts to assimilate in the first classes of projective geometry is the improper point. An improper point is a point at infinity and can be translated or interpreted as an address.

While metric geometry two lines intersect or are parallel, in projective geometry always intersect at a point proper or improper, what does not change in any way the operation with this geometric-mathematical model.

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Evolving work

During the teaching-learning process that occurs in the courses I teach at the university ground propose different jobs that are oriented according to the educational objectives that apply at all times.

The way to motivate students with these works a significant impact on their academic performance, so that combining different strategies allows for optimum results.

Overall I like teaching base long-term projects that serve, fundamentally, for students to maintain a constant exploratory attitude to the subject; Every aspect or concept being taught can ask the same questions:

Would I used for my project?
How do I adapt?

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Geometry and origami [ Book ]

Geometry and origami Stella is a book published by Homo Sapiens Ricotti transmitting “happiness” from the world of mathematics. The author takes us to the world of geometry “playing” from bases underlying topological a paper sheet.

A teaching resource certainly of great value that can be entered at different educational levels; allows “touch” mathematics from the realization of the geometric models that express perfection.

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Photosynthesis [ Blender ] [ Education ]

Blender is a tool with surprising capabilities. Kelvin Song has created this video to their biology classes using the editing tool, modeling and animation.

A simple animation in which the text is the protagonist, accompanied by a lively band and an elementary render, make this work an artistic reference for scientific and educational publications.

A work that demonstrates how easy it can be effective in many areas of application. Hopefully see more of this level used in the classroom.

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Metric geometry: Circunferencias con condiciones angulares. Solución al Problema I

From the different solutions to the problem are proposed to obtain circumferences with angular conditions ( passing through a point, are tangent to a circle, forming an angle with a straight), we will analyze this solution using the application of the concepts of power used in the “Fundamental Problem Tangencies” ( PFT ).

The general model search can be the first step of a surveyor training. Later we discuss specific ways this particular problem that could simplify the tracking.

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Los 12 principles of animation

twelve

Disney studies laid the foundation of traditional animation, and its subsequent spread to the world of 3D computer animation. During the early years developed a set of rules to keep in mind in any animation for organic effect of the characters, denominating “Los 12 principles of animation”.

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