Numbered streets and avenues cross one another in a perfect rectilinear grid.
A rectilinear grid is a tessellation by rectangles or parallelepipeds that are not, in general, all congruent to each other.
An example of a rectilinear grid that is not regular appears on logarithmic scale graph paper.
The neighborhood is known in Portland for a diagonal street pattern, which is at odds with the rectilinear grid of the surrounding area.
The open living room is planned around a rectilinear structural grid whose dimensions are adjusted to suit the disposition of rooms above.
It is worth mentioning that this algorithm works for all rectilinear grids.
Due to the piecemeal development and hilly topography of the area, the streets form an irregular rectilinear grid.
Unless stated to the contrary, all rotary generations in these examples are clockwise on a rectilinear grid.
Therefore all curves must be developed from a continuum of short straight lines, related to VP's by rectilinear grids.
The rectilinear grid of streets is very different from the haphazard layout of the many old townships in Europe which just grew.