Base map CR 1:25,000 - colour seamless - 10400590

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数据集依托源自捷克共和国地理数据基础库（ZABAGED®）与捷克共和国地理名称数据库（Geonames）的数字地理数据，通过数字化技术制作生成。其数据直接提取自IS SMD技术线路的Data10制图数据库。该数据集的栅格分辨率为800dpi，色深为24比特。数据以TIFF格式（采用LZW压缩算法）进行分发。导出单元为边长平行于S-JTSK基准轴的5×5千米图幅单元。针对S-JTSK Krovak EN与WGS 84 / UTM第33N带两种投影坐标系，此类图幅单元通过TFW文本文件完成地理配准。