Base map CR 1:50,000 - colour seamless - 08001030

Since 2002, the ZM 50 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. The data are derived directly from Data50 cartographic database of IS SMD technology line. These files are by the application server service rasterized with resolution of 800 dpi, 24 bit colours and unified raster palette. The distribution is in TIFF format (LZW compression). The export units are 10x10 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 50数据集依托捷克共和国地理基础数据库（Fundamental Base of Geographic Data of the Czech Republic，ZABAGED®）与捷克共和国地理名称数据库（Geonames）的数字技术进行生产。数据直接来源于IS SMD技术线路的Data50制图数据库。上述文件通过应用服务器服务完成栅格化处理，分辨率为800dpi，采用24位色彩及统一栅格调色板。数据以TIFF格式（LZW压缩）进行分发。导出单元为边缘与S-JTSK基准轴平行的10×10公里分幅。各分幅通过针对S-JTSK克吕格东经（S-JTSK Krovak EN）与WGS 84 / UTM 第33N带投影的文本文件（TFW）完成对应坐标系下的地理配准。