Patent ID: 8416128

Claim:
A computer-implemented method of displaying an image on a display formed by squared pixels, representing a first image generated by circular scanning, the method comprising a step of defining a disc portion on a display, the disc portion comprising a centre and a maximum radius defining a limit of the image generated, the disc portion further being divided into a plurality of angular sectors, each angular sector being divided into a plurality of disjoint areas, each disjoint area of an angular sector being delimited by two circular arcs defined between two radii and two straight lines formed respectively by two segments belonging to the two sides of the angular sector, the said areas being called “rings”, wherein each of the rings has a predefined and assigned rectangular envelope whose area covers the area of the ring; and a step of defining at least a grain corresponding to a first squared area defined by a predetermined number of said pixels; the method further comprising, for each ring: a step of defining a rectangular envelope formed by at least one of said pixels, the rectangular envelope surrounding the ring; a step of comparing a size of a second area delimited by the rectangular envelope and a size of the grain; a step of generating a plot of the ring comprising the pixels delimited by the rectangular envelope if the size of the grain is larger than the size of the second area and comprising the pixels delimited by the rectangular envelope and belonging to the ring if the second area is larger than the size of the grain; and a step of generating an image of said ring by means of the pixels contained in the plot; the method further comprising when all the plots of each ring of an angular sector have been generated: a step of generating an image, denoted bitmap, of the angular sector, and a step of displaying the image on the display; wherein the steps are performed by a computer programmed to perform the steps.