QTVOSM::layer_tiles_pageurl源地址destin dir目的文件夹filename缓存文件名Select the local cache选择本地缓存路径layer_tiles_pageTiles Layer瓦片图层Pending tasks缓存的下载任务Address瓦片服务地址such like "http://localhost/osm_tiles2/%1/%2/%3.png"类似"http://localhost/osm_tiles2/%1/%2/%3.png"connect联接并按需下载Cahce Folder本地缓存文件夹...Apply应用osm_frame_widgetosm_frame_widgetOpen Street Map 浏览器框架Map地图Tools工具Activate激活图层export截图保存Deactive取消激活Show显示Hide隐藏Up上移Top置顶Down下移Bottom置底name图层active激活visible可见save to image保存到图像