Journal of the Society of Motion Picture Engineers (1930-1949)

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44 LOYD A. JONES [j. s. M. P. E. istic mode. An inspection of values applying to those compositions which are put into the II (6) class shows two distinct groups, for one of which R is less than unity and for the other greater. These values have therefore been split into two groups on the basis of an evident marked difference in character. After this secondary classification within the group has been made, two groups of values, each relatively homogeneous in character, are obtained, one of which represents vertical compositions (R less than unity) and the other horizontal compositions. A similar state of affairs was found in the case of the III (a) class, the ratio values being rather definitely divided into groups greater than and less than unity. In class III (b) it was again found necessary to separate the vertical from the horizontal types of compositions in order to obtain homogeneous groups of ratio values. It is interesting to note that in the case of two-figure compositions (classes II (a) and II (&)) the number of vertical type compositions is very much in excess of the horizontal type. This is also true in the case of three to five-figure compositions falling within the III (a) class and including those compositions where the figures are shown as somewhat less than full length and in a semi-close-up rendition. In the III (b) class, also including three to five-figure compositions, but where the distance is increased to correspond to a medium distance type, this condition is reversed and compositions for which the ratio value is greater than unity exceed the number of those of the vertical type for which R is less than unity. In Table III are given the data relative to the six to ten-figure compositions and the ten to twenty-five-figure compositions. In the case of class IV it seemed to be impossible to further subdivide the compositions on the basis of the distance from point of view. Practically all these may be classified as medium distance types. Here again, a small, fairly homogeneous group of vertical compositions is obtained and a much more numerous group, also relatively homogeneous in ratio value, of the horizontal composition type. In class V (a) all the compositions are of the horizontal type although this group is limited in number. In group V (b) it was necessary to subdivide again in order to obtain homogeneous groupings. Those of the vertical type are few in number, while those of the horizontal type are relatively numerous and the mean value of ratio relatively great. Among the compositions including many