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    • 31. 发明公开
    • EP0934561A4 -
    • EP0934561A4 - Google专利
    • EP0934561A4
    • 1999-08-11
    • EP96921734
    • 1996-06-20
    • G06F3/14G06T11/60G06T17/05G09B29/00G09B29/10G09G1/06
    • G06T17/05G09B29/003G09B29/106
    • A computer-implemented method of converting printed maps into digitally stored images of a unique format. Bit mapped map images corresponding to a printed map are obtained by scanning or other means. A bit mapped map image is then cropped to select a map image corresponding to a desired geographic area, such as a one degree by one degree area (80). The boundaries of the selected map image are moved to shape the geographic area into a tessellated shape, such as a rectangle. The selected map image is then re-sized to contain a predetermined pixel area (82). The map image, now of a uniform format, is then stored within an identifier of a reference point and size of the geographic area (84) represented by the map image. For example, the identifier (84) may be the name of a computer-readable file containing the map image.
    • 将打印的地图转换为独特格式的数字存储图像的计算机实现的方法。 通过扫描或其他手段获得与打印的地图对应的位映射地图图像。 然后,将位映射的地图图像剪切以选择与期望的地理区域相对应的地图图像,例如一度一度的区域(80)。 移动所选地图图像的边界以将地理区域成形为棋盘格形状,例如矩形。 然后重新选择所选地图图像以包含预定像素区域(82)。 然后将现在具有统一格式的地图图像存储在由地图图像表示的地理区域(84)的参考点和大小的标识符内。 例如,标识符(84)可以是包含地图图像的计算机可读文件的名称。