The transition from traditional images, like paintings or drawings, to technical images, like photographs and digital renders, marks a profound ontological shift. A traditional image is a representation of the world as observed by a human. It follows a linear, historical consciousness, where the image is a window onto a scene. A photograph, however, is not a window. It is a surface composed of particles, a computation made by an apparatus programmed with scientific concepts.

This shift dismantles the historical model of time. Traditional images are read within a narrative context; they refer to a past event. Technical images exist in a perpetual present. They do not refer to the world but to their own internal logic. This creates a state of post-history, where the linear progression of events dissolves into a network of circulating, self-referential surfaces. The world is no longer a stage for historical drama but a field of information to be scanned.

The fundamental unit of a traditional image is the symbol. The fundamental unit of a technical image is the point element—the chemical grain in a photograph or the pixel in a digital image. These points are not mimetic. They are the result of a mathematical calculation. A pixel is a coordinate in a grid, its color a value derived from an algorithm. The technical image, therefore, does not originate from observation but from a 'mathematical imagination'.

This recasts the act of creation. The photographer is not an artist depicting a scene but an operator, a functionary of the apparatus. Their role is to play with the program, to explore its possibilities, and to discover unforeseen combinations within its constraints. The resulting image is less a document of reality and more a visualization of a potentiality contained within the device's programming. This is the essence of ontological projection: the image projects a world constructed from abstract concepts, not one observed through the senses.

By functioning as models and programs, technical images shape our behavior. They don't just show us a landscape; they instruct us on how to see landscapes. This feedback loop collapses the critical distance between subject and object, a distance that was central to historical consciousness. We no longer stand outside the image looking in; we are integrated into its functional, circulating logic. This reflects the broader 20th-century crisis of the referent, where stable, external realities gave way to systems of signs that refer only to each other.

The emergence of New Topographics in the 1970s exemplified this shift. Photographers began documenting the built environment with a cool, detached style, rejecting the romanticism of traditional landscape photography. Their work wasn't about the beauty of the scene but about the patterns of human alteration on the land. It treated the world as a system to be analyzed, not a vista to be admired. This approach aligns perfectly with the technical image's function as a surface for scanning, not a window for contemplation.

In this world, we exist on the surface of the image. Our consciousness is no longer defined by a linear past but by a present woven from a web of information. We don't interpret images for historical meaning; we react to them as functional programs that guide our next action.