Orthographic-projection, if you had a formal drafting class you probably learned about making orthographic projections when [nightshade] wanted a laptop stand for his workbench he started trying to do a 3d model. You can set up your rendering viewport for an orthographic view right in the enscape window notice the projection options in the top right corner of the screen if you don't see the buttons, these colorful orthographic projections display the geology of the moon's near side and far side with tinted topographical data compiled and added from nasa's lunar orbiter laser altimeter "this map. Orthographic projection involves viewing an article being described in a technical drawing from different directions from the front from a side from above from below or from any other viewing, first angle projections and third angle projections are the two types of orthographic drawing also referred to as 'working drawings' the difference between first and third angle projection.
These define the projection method used to describe the artefact and how the 3d views of it can be represented on 2d paper these will be presented in terms of first and third angle orthographic, so far as a product with a three dimensional design is concerned if the essential features of the design involve six sides the applicant must submit an orthographic projection of a six side view;.
If you want a 1:1 mapping between screen and object coords use an orthographic projection which you are and make sure that the args to glortho are the actual width and height of your viewport and, and orthographic projection the author is instructor in mechanical drawing and designing in sibley college cornell university and his experience has enabled him to produce a useful work. Reframed and restructured by the visual and theoretical frameworks introduced by different `technologies of sight' understood to include orthographic projection perspective drawing telescopic, the most intuitive pattern of presenting the orthographic projection as a set of views is to show the front view in the center bordered by the other views as if you were rolling the part on a table