| | 383 | # Verify we can grow the RRD list in cases where this requires |
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| | 384 | # moving the HFAEntry to the end of the file. (bug #1109) |
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| | 385 | |
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| | 386 | def hfa_grow_rrdlist(): |
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| | 387 | |
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| | 388 | # copy work file to tmp directory. |
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| | 389 | open('tmp/bug_1109.img','w').write(open('data/bug_1109.img').read()) |
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| | 390 | |
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| | 391 | # Add two overview levels. |
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| | 392 | ds = gdal.Open('tmp/bug_1109.img',gdal.GA_Update) |
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| | 393 | result = ds.BuildOverviews( overviewlist = [4,8] ) |
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| | 394 | ds = None |
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| | 395 | |
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| | 396 | if result != 0: |
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| | 397 | gdaltest.post_reason( 'BuildOverviews failed.' ) |
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| | 398 | return 'fail' |
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| | 399 | |
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| | 400 | # Verify overviews are now findable. |
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| | 401 | ds = gdal.Open( 'tmp/bug_1109.img' ) |
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| | 402 | if ds.GetRasterBand(1).GetOverviewCount() != 3: |
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| | 403 | gdaltest.post_reason( 'Overview count wrong.' ) |
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| | 404 | print ds.GetRasterBand(1).GetOverviewCount() |
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| | 405 | return 'fail' |
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| | 406 | |
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| | 407 | ds = None |
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| | 408 | gdal.GetDriverByName('HFA').Delete( 'tmp/bug_1109.img' ) |
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| | 409 | |
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| | 410 | return 'success' |
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| | 411 | |
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| | 412 | ############################################################################### |
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