osgdem生成ive地形时提示ive not supported怎么解决

洗洗睡吧

vpb编译成功了，运行下面代码

1. osgdem -t D:\earthResource\image\zhejiang17.tif -d D:\earthResource\heightfield\ zhejiang17.tif -o out.ive --no-mip-mapping

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提示如下：

1. 
   
2. -t D:\earthResource\image\zhejiang17.tif
   
3. ADD: D:\earthResource\image\zhejiang17.tif
   
4. -d D:\earthResource\heightfield\zhejiang17.tif
   
5. ADD: D:\earthResource\heightfield\zhejiang17.tif
   
6. -o out.ive
   
7. Adding terrainTile
   
8. DataSet::_run() 0 0
   
9. Now checking for plug-in osgPlugins-3.4.0/osgdb_nvtt.dll
   
10. DataSet::assignDestinationCoordinateSystem() : assigning first source file as the destination coordinate system
    
11. started DataSet::createDestination(30)
    
12. Time for after_reproject 0.000003
    
13. local_extents = xMin() 120.020142 120.294800
    
14.                 yMin() 30.124512 30.300293
    
15. AR=1.562500 C1=2 R1=1
    
16. createNewDestinationGraph
    
17. Time for _destinationGraph->computeMaximumSourceResolution() = 0.036620
    
18. Time for createDestinationGraph 0.229234
    
19. Time for after_computeNeighbours 0.035749
    
20. completed DataSet::createDestination(30)
    
21. There are 2 contributing source files:
    
22.     D:\earthResource\heightfield\zhejiang17.tif
    
23.     D:\earthResource\image\zhejiang17.tif
    
24. mkpath()
    
25. Need to create output task directory = out_root_L0_X0_Y0
    
26.    Directory already created
    
27. Task output directory = out_root_L0_X0_Y0\
    
28. started DataSet::writeDestination(out.ive)
    
29. _readRow 1
    
30.    reading tile level=0 X=0 Y=0
    
31. imageName = out_L0_X0_Y0.dds
    
32. DestinationTile::readFrom(SetName=, FileName=D:\earthResource\heightfield\zhejiang17.tif)
    
33. DestinationTile::readFrom(SetName=, FileName=D:\earthResource\image\zhejiang17.tif)
    
34. 
    
35. _equalizeRow 1
    
36.    equalizing tile level=0 X=0 Y=0
    
37. _writeRow 1
    
38. DestinationTile::createStateSet() - DataSet::NO_MIP_MAPPING
    
39. Compressed image
    
40. called DataSet::decorateWithTerrain()
    
41.        getDirectory()=
    
42.    writeNodeFile = 0 X=0 Y=0 filename=out.ive
    
43. _writeNodeFile(out.ive)
    
44. Writing out image layer out_L0_X0_Y0.dds, _directory=
    
45. vpb::access(out.ive, W_OK)=-1
    
46. vpb::access(., W_OK)=0
    
47. Caught exception : Warning: Write to "out.ive" not supported.

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重点是
Caught exception : Warning: Write to "out.ive" not supported
但其中osgdb_ive.dll就在文件夹下。请问怎么破？

风云轩

Caught exception : Warning: Write to "out.ive" not supported。根据这句话，去查到代码，调试找原因