In an image processing computer system for a photogrammetric analytical measurement in which a survey map is produced by connecting a first group including at least a set of pictures featuring a photographed target located at a first target position and a second group including at least a set of pictures featuring a photographed target located at a second target position to each other, a monitor displays a scene including a picture-display area and an editing-display area. On the picture-display area, only one picture in a set included in said first group and only one picture in a set included in said second group are selectively displayed. A displayed picture is transferred from said picture-display area to said editing-display area and vice versa. Connection relationships between pictures are visually displayed on the editing-display area.