在浏览器中打开大型 GeoTIFF 和 DSM，或并排对比两幅栅格。

OrthoViewer is a local-first browser GeoTIFF, orthophoto, and DSM elevation viewer. No upload required: open one local raster to explore, or two aligned GeoTIFF files to compare with swipe curtain or side-by-side layouts. Inspect metadata, browse DSM elevation with color palettes and hillshade, navigate large imagery with fluid pan and zoom, run guided map tours, and use fast point, line, and area annotation measurement with GeoJSON 导入与导出 for GIS workflows.

• GeoTIFF 在浏览器本地处理：支持单文件查看与双文件对比
• DSM 与 DEM 高程设色、山体阴影和范围控制
• 对齐正射影像和栅格的卷帘与并排对比
• 基于 MapLibre 的分块栅格浏览
• 高效的点、线、面标注测量
• 支持对比播放和视频导出的地图导览
• GeoJSON 导入与导出 for annotations and overlays