Base map CR 1:25,000 - colour seamless - 09800745

Since 2002, the ZM 25 is produced using digital technology from the Fundamental Base of Geographic Data of the Czech Republic (ZABAGED®) and the database of geographic names of the Czech Republic Geonames. Data are derived directly from the cartographic database Data10 of technology line IS SMD. The resolution of rasters is 800 dpi and the color depth is 24 bit. The distribution is in TIFF format (LZW compression). The export units are 5x5 km segments with edges parallel to S-JTSK datum axes. Segments are georeferenced in the coordinate system using text files (TFW) for S-JTSK Krovak EN and WGS 84 / UTM zone 33N projections.自2002年起，ZM 25数据集依托捷克共和国地理数据基础底库（ZABAGED®）与捷克共和国地理名称数据库（Geonames）的数字技术成果制作而成。数据直接源自IS SMD技术线路对应的制图数据库Data10。该数据集栅格分辨率为800dpi，色深为24位。分发格式为TIFF（采用LZW压缩算法）。导出单元为边长平行于S-JTSK基准轴的5×5千米分幅块。各分幅块通过文本文件（TFW）完成坐标系统地理配准，适配S-JTSK Krovak EN与WGS 84 / UTM 33N两种投影坐标系。