Base map CR 1:25,000 - colour seamless - 11300760

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数据集便依托捷克共和国地理基础数据（Fundamental Base of Geographic Data of the Czech Republic，ZABAGED®）与捷克共和国地理名称数据库Geonames的数字化技术进行生产。数据直接源自技术线路IS SMD的制图数据库Data10。栅格数据分辨率为800dpi，色深为24位。数据集以TIFF格式（采用LZW压缩）进行分发。导出单元为边平行于S-JTSK基准轴的5×5千米图幅。上述图幅通过对应S-JTSK Krovak EN与WGS 84 / UTM 第33N带投影的文本文件（TFW）实现坐标系下的地理配准。