1.使用VPB工具处理tif
osgdem -t image.tif --wkt-file wkt.prj -l 20 --PagedLOD -o tj_out.ive
2.osgearth加载earth文件
tj_out.ive 20 20 PROJCS["Beijing_1954_3_degree_Gauss_Kruger_CM_111E",GEOGCS["GCS_Beijing 1954",DATUM["D_Beijing_1954",SPHEROID["Krasovsky_1940",6378245,298.3]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",111],PARAMETER["scale_factor",1],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["Meter",1],AUTHORITY["EPSG","2434"]] 592462.903 612708.420 3155407.106 3169627.225 task PROJCS["Beijing_1954_3_degree_Gauss_Kruger_CM_111E",GEOGCS["GCS_Beijing 1954",DATUM["D_Beijing_1954",SPHEROID["Krasovsky_1940",6378245,298.3]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",111],PARAMETER["scale_factor",1],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["Meter",1],AUTHORITY["EPSG","2434"]] 592462.903 612708.420 3155407.106 3169627.225 POLYGON(( 597462 3158962 0, 606462 3158962 0, 606462 3162517 0, 597462 3162517 0)) PROJCS["Beijing_1954_3_degree_Gauss_Kruger_CM_111E",GEOGCS["GCS_Beijing 1954",DATUM["D_Beijing_1954",SPHEROID["Krasovsky_1940",6378245,298.3]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",111],PARAMETER["scale_factor",1],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["Meter",1],AUTHORITY["EPSG","2434"]]