../common/textures/grid.tx : 1024 x 1024, 4 channel, uint8 tiff (4.00 MB)
    MIP-map levels: 1024x1024 512x512 256x256 128x128 64x64 32x32 16x16 8x8 4x4 2x2 1x1
    SHA-1: 7DB3F1E464C5F38CAAECE8ABC8684EC66FC9FA68
    channel list: R, G, B, A
    tile size: 64 x 64
    compression: "zip"
    DateTime: "2014:11:29 23:20:23"
    DocumentName: "g.tif"
    fovcot: 1
    Orientation: 1 (normal)
    PixelAspectRatio: 1
    planarconfig: "contig"
    ResolutionUnit: "in"
    Software: "OpenImageIO 1.5.7dev : maketx -filter lanczos3 --resize grid.tif -o grid.tx"
    textureformat: "Plain Texture"
    wrapmodes: "black,black"
    XResolution: 72
    YResolution: 72
    oiio:AverageColor: "0.608983,0.608434,0.608728,1"
    oiio:BitsPerSample: 8
    oiio:SHA-1: "233A1D3412A54A5F49814AB7BFFD04F56F46D3D7"
    tiff:Compression: 8
    tiff:PhotometricInterpretation: 2
    tiff:PlanarConfiguration: 1
    MIP 0 of 11 (1024 x 1024):
      Stats Min: 0 0 0 255 (of 255)
      Stats Max: 255 255 255 255 (of 255)
      Stats Avg: 153.27 153.13 153.20 255.00 (of 255)
      Stats StdDev: 78.83 78.77 78.80 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 1048576 1048576 1048576 1048576 
      Constant: No
      Monochrome: No
    MIP 1 of 11 (512 x 512):
      Stats Min: 0 0 0 255 (of 255)
      Stats Max: 255 255 255 255 (of 255)
      Stats Avg: 153.82 153.67 153.75 255.00 (of 255)
      Stats StdDev: 70.25 70.16 70.21 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 262144 262144 262144 262144 
      Constant: No
      Monochrome: No
    MIP 2 of 11 (256 x 256):
      Stats Min: 0 0 0 255 (of 255)
      Stats Max: 255 255 255 255 (of 255)
      Stats Avg: 154.37 154.24 154.31 255.00 (of 255)
      Stats StdDev: 64.32 64.28 64.33 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 65536 65536 65536 65536 
      Constant: No
      Monochrome: No
    MIP 3 of 11 (128 x 128):
      Stats Min: 0 0 0 255 (of 255)
      Stats Max: 255 255 255 255 (of 255)
      Stats Avg: 155.63 155.49 155.56 255.00 (of 255)
      Stats StdDev: 56.95 56.92 56.89 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 16384 16384 16384 16384 
      Constant: No
      Monochrome: No
    MIP 4 of 11 (64 x 64):
      Stats Min: 17 23 18 255 (of 255)
      Stats Max: 247 247 249 255 (of 255)
      Stats Avg: 155.94 155.81 155.89 255.00 (of 255)
      Stats StdDev: 52.47 52.34 52.44 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 4096 4096 4096 4096 
      Constant: No
      Monochrome: No
    MIP 5 of 11 (32 x 32):
      Stats Min: 55 50 55 255 (of 255)
      Stats Max: 235 234 235 255 (of 255)
      Stats Avg: 156.16 156.03 156.11 255.00 (of 255)
      Stats StdDev: 50.28 50.22 50.34 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 1024 1024 1024 1024 
      Constant: No
      Monochrome: No
    MIP 6 of 11 (16 x 16):
      Stats Min: 78 77 78 255 (of 255)
      Stats Max: 217 215 216 255 (of 255)
      Stats Avg: 156.27 156.18 156.25 255.00 (of 255)
      Stats StdDev: 48.66 48.93 48.99 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 256 256 256 256 
      Constant: No
      Monochrome: No
    MIP 7 of 11 (8 x 8):
      Stats Min: 93 93 93 255 (of 255)
      Stats Max: 214 213 214 255 (of 255)
      Stats Avg: 156.45 156.28 156.45 255.00 (of 255)
      Stats StdDev: 47.08 48.06 48.01 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 64 64 64 64 
      Constant: No
      Monochrome: No
    MIP 8 of 11 (4 x 4):
      Stats Min: 102 103 103 255 (of 255)
      Stats Max: 207 211 212 255 (of 255)
      Stats Avg: 157.06 156.88 156.75 255.00 (of 255)
      Stats StdDev: 44.74 46.80 46.81 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 16 16 16 16 
      Constant: No
      Monochrome: No
    MIP 9 of 11 (2 x 2):
      Stats Min: 120 114 114 255 (of 255)
      Stats Max: 194 199 199 255 (of 255)
      Stats Avg: 157.00 156.75 156.75 255.00 (of 255)
      Stats StdDev: 37.00 42.25 42.25 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 4 4 4 4 
      Constant: No
      Monochrome: No
    MIP 10 of 11 (1 x 1):
      Stats Min: 157 157 157 255 (of 255)
      Stats Max: 157 157 157 255 (of 255)
      Stats Avg: 157.00 157.00 157.00 255.00 (of 255)
      Stats StdDev: 0.00 0.00 0.00 0.00 (of 255)
      Stats NanCount: 0 0 0 0 
      Stats InfCount: 0 0 0 0 
      Stats FiniteCount: 1 1 1 1 
      Constant: Yes
      Constant Color: 157.00 157.00 157.00 255.00 (of 255)
      Monochrome: No
Total size: 4.0 MB
src/tiny-az.exr :    4 x    4, 3 channel, float openexr
src/tiny-az.exr :     SHA-1: 2556575B7F2398D97FCF2C5CFCBAB741050AC155
src/tiny-az.exr :     channel list: R, G, B
src/tiny-az.exr :     pixel data origin: x=2, y=2
src/tiny-az.exr :     full/display size: 20 x 20
src/tiny-az.exr :     full/display origin: 1, 1
src/tiny-az.exr :     compression: "zip"
src/tiny-az.exr :     DateTime: "2022:11:23 15:17:24"
src/tiny-az.exr :     PixelAspectRatio: 1
src/tiny-az.exr :     screenWindowCenter: 0, 0
src/tiny-az.exr :     screenWindowWidth: 1
src/tiny-az.exr :     Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=0.25,0.5,0.75 4x4 3 --origin +2+2 --fullsize 20x20+1+1 -o tiny-az.exr"
src/tiny-az.exr :     Exif:ImageHistory: "oiiotool -pattern constant:color=0.25,0.5,0.75 4x4 3 --origin +2+2 --fullsize 20x20+1+1 -o tiny-az.exr"
src/tiny-az.exr :     oiio:ColorSpace: "lin_rec709"
src/tiny-az.exr :     oiio:subimages: 1
src/tiny-az.exr :     openexr:lineOrder: "increasingY"
src/tiny-az.exr :     Stats Min: 0.250000 0.500000 0.750000 (float)
    Stats Max: 0.250000 0.500000 0.750000 (float)
    Stats Avg: 0.250000 0.500000 0.750000 (float)
    Stats StdDev: 0.000000 0.000000 0.000000 (float)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 16 16 16 
    Constant: Yes
    Constant Color: 0.250000 0.500000 0.750000 (float)
    Monochrome: No
info from oiiotool:
Reading src/tiny-az.exr
src/tiny-az.exr      :    4 x    4, 3 channel, float openexr
    SHA-1: 2556575B7F2398D97FCF2C5CFCBAB741050AC155
    channel list: R, G, B
    pixel data origin: x=2, y=2
    full/display size: 20 x 20
    full/display origin: 1, 1
    compression: "zip"
    DateTime: "2022:11:23 15:17:24"
    PixelAspectRatio: 1
    screenWindowCenter: 0, 0
    screenWindowWidth: 1
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=0.25,0.5,0.75 4x4 3 --origin +2+2 --fullsize 20x20+1+1 -o tiny-az.exr"
    Exif:ImageHistory: "oiiotool -pattern constant:color=0.25,0.5,0.75 4x4 3 --origin +2+2 --fullsize 20x20+1+1 -o tiny-az.exr"
    oiio:ColorSpace: "lin_rec709"
    oiio:subimages: 1
    openexr:lineOrder: "increasingY"
    Pixel (2, 2): 0.250000000 0.500000000 0.750000000
    Pixel (3, 2): 0.250000000 0.500000000 0.750000000
    Pixel (4, 2): 0.250000000 0.500000000 0.750000000
    Pixel (5, 2): 0.250000000 0.500000000 0.750000000
    Pixel (2, 3): 0.250000000 0.500000000 0.750000000
    Pixel (3, 3): 0.250000000 0.500000000 0.750000000
    Pixel (4, 3): 0.250000000 0.500000000 0.750000000
    Pixel (5, 3): 0.250000000 0.500000000 0.750000000
    Pixel (2, 4): 0.250000000 0.500000000 0.750000000
    Pixel (3, 4): 0.250000000 0.500000000 0.750000000
    Pixel (4, 4): 0.250000000 0.500000000 0.750000000
    Pixel (5, 4): 0.250000000 0.500000000 0.750000000
    Pixel (2, 5): 0.250000000 0.500000000 0.750000000
    Pixel (3, 5): 0.250000000 0.500000000 0.750000000
    Pixel (4, 5): 0.250000000 0.500000000 0.750000000
    Pixel (5, 5): 0.250000000 0.500000000 0.750000000
    Stats Min: 0.250000 0.500000 0.750000 (float)
    Stats Max: 0.250000 0.500000 0.750000 (float)
    Stats Avg: 0.250000 0.500000 0.750000 (float)
    Stats StdDev: 0.000000 0.000000 0.000000 (float)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 16 16 16 
    Constant: Yes
    Constant Color: 0.250000 0.500000 0.750000 (float)
    Monochrome: No
src/tinydeep.exr :    4 x    4, 2 channel, deep float openexr
    SHA-1: 941FD2E69D58EB30EE29AD3F71720C3831AAD914
    channel list: A, Z
    compression: "zips"
    DateTime: "2022:11:20 22:17:31"
    PixelAspectRatio: 1
    screenWindowCenter: 0, 0
    screenWindowWidth: 1
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=1e38,0 4x4 2 --chnames Z,A --point:color=10.0,1.0 2,2 --deepen -o tinydeep.exr"
    version: 1
    Exif:ImageHistory: "oiiotool -pattern constant:color=1e38,0 4x4 2 --chnames Z,A --point:color=10.0,1.0 2,2 --deepen -o tinydeep.exr"
    oiio:subimages: 1
    openexr:chunkCount: 4
    openexr:lineOrder: "increasingY"
    Stats Min: 1.000000 10.000000 (float)
    Stats Max: 1.000000 10.000000 (float)
    Stats Avg: 1.000000 10.000000 (float)
    Stats StdDev: 0.000000 0.000000 (float)
    Stats NanCount: 0 0 
    Stats InfCount: 0 0 
    Stats FiniteCount: 1 1 
    Min deep samples in any pixel : 0
    Max deep samples in any pixel : 1
    1 pixel had the max of 1 samples, including (x=2, y=2)
    Average deep samples per pixel: 0.06
    Total deep samples in all pixels: 1
    Pixels with deep samples   : 1
    Pixels with no deep samples: 15
    Samples/pixel histogram:
        0     :       15 (93.8%)
        1     :        1 ( 6.2%)
    Minimum depth was 10 at (2, 2)
    Maximum depth was 10 at (2, 2)
info from oiiotool:
Reading src/tinydeep.exr
src/tinydeep.exr     :    4 x    4, 2 channel, deep float openexr
    SHA-1: 941FD2E69D58EB30EE29AD3F71720C3831AAD914
    channel list: A, Z
    compression: "zips"
    DateTime: "2022:11:20 22:17:31"
    PixelAspectRatio: 1
    screenWindowCenter: 0, 0
    screenWindowWidth: 1
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=1e38,0 4x4 2 --chnames Z,A --point:color=10.0,1.0 2,2 --deepen -o tinydeep.exr"
    version: 1
    Exif:ImageHistory: "oiiotool -pattern constant:color=1e38,0 4x4 2 --chnames Z,A --point:color=10.0,1.0 2,2 --deepen -o tinydeep.exr"
    oiio:subimages: 1
    openexr:chunkCount: 4
    openexr:lineOrder: "increasingY"
    Pixel (0, 0): 0 samples 
    Pixel (1, 0): 0 samples 
    Pixel (2, 0): 0 samples 
    Pixel (3, 0): 0 samples 
    Pixel (0, 1): 0 samples 
    Pixel (1, 1): 0 samples 
    Pixel (2, 1): 0 samples 
    Pixel (3, 1): 0 samples 
    Pixel (0, 2): 0 samples 
    Pixel (1, 2): 0 samples 
    Pixel (2, 2): 1 samples : A=1.0 Z=10.0
    Pixel (3, 2): 0 samples 
    Pixel (0, 3): 0 samples 
    Pixel (1, 3): 0 samples 
    Pixel (2, 3): 0 samples 
    Pixel (3, 3): 0 samples 
    Stats Min: 1.000000 10.000000 (float)
    Stats Max: 1.000000 10.000000 (float)
    Stats Avg: 1.000000 10.000000 (float)
    Stats StdDev: 0.000000 0.000000 (float)
    Stats NanCount: 0 0 
    Stats InfCount: 0 0 
    Stats FiniteCount: 1 1 
    Min deep samples in any pixel : 0
    Max deep samples in any pixel : 1
    1 pixel had the max of 1 samples, including (x=2, y=2)
    Average deep samples per pixel: 0.06
    Total deep samples in all pixels: 1
    Pixels with deep samples   : 1
    Pixels with no deep samples: 15
    Samples/pixel histogram:
        0     :       15 (93.8%)
        1     :        1 ( 6.2%)
    Minimum depth was 10 at (2, 2)
    Maximum depth was 10 at (2, 2)
uint8 file
tmp.tif              :    2 x    2, 3 channel, uint8 tiff
    SHA-1: 39754B9B5BF224DA2869627680D5853D787E794F
    Pixel (0, 0): 64 128 191 (0.2509804 0.5019608 0.7490196)
    Pixel (1, 0): 64 128 191 (0.2509804 0.5019608 0.7490196)
    Pixel (0, 1): 64 128 191 (0.2509804 0.5019608 0.7490196)
    Pixel (1, 1): 64 128 191 (0.2509804 0.5019608 0.7490196)
    Stats Min: 64 128 191 (of 255)
    Stats Max: 64 128 191 (of 255)
    Stats Avg: 64.00 128.00 191.00 (of 255)
    Stats StdDev: 0.00 0.00 0.00 (of 255)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 4 4 4 
    Constant: Yes
    Constant Color: 64.00 128.00 191.00 (of 255)
    Monochrome: No
int16 file, C format dump
// tmp.tif              :    2 x    2, 3 channel, uint8 tiff
uint8_t foo[2][2][3] =
{
  { /* (0, 0): */ { 64, 128, 191 /* (0.2509804, 0.5019608, 0.7490196) */ },
    /* (1, 0): */ { 64, 128, 191 /* (0.2509804, 0.5019608, 0.7490196) */ } },
  { /* (0, 1): */ { 64, 128, 191 /* (0.2509804, 0.5019608, 0.7490196) */ },
    /* (1, 1): */ { 64, 128, 191 /* (0.2509804, 0.5019608, 0.7490196) */ } },
};
Reading tmp.tif
<ImageSpec version="26">
<SHA1>39754B9B5BF224DA2869627680D5853D787E794F</SHA1>
<x>0</x>
<y>0</y>
<z>0</z>
<width>2</width>
<height>2</height>
<depth>1</depth>
<full_x>0</full_x>
<full_y>0</full_y>
<full_z>0</full_z>
<full_width>2</full_width>
<full_height>2</full_height>
<full_depth>1</full_depth>
<tile_width>0</tile_width>
<tile_height>0</tile_height>
<tile_depth>0</tile_depth>
<format>uint8</format>
<nchannels>3</nchannels>
<channelnames>
<channelname>R</channelname>
<channelname>G</channelname>
<channelname>B</channelname>
</channelnames>
<alpha_channel>-1</alpha_channel>
<z_channel>-1</z_channel>
<deep>0</deep>
<attrib name="oiio:BitsPerSample" type="int">8</attrib>
<attrib name="Orientation" type="int" description="normal">1</attrib>
<attrib name="tiff:Compression" type="int">8</attrib>
<attrib name="tiff:PhotometricInterpretation" type="int">2</attrib>
<attrib name="tiff:PlanarConfiguration" type="int">1</attrib>
<attrib name="planarconfig" type="string">contig</attrib>
<attrib name="compression" type="string">zip</attrib>
<attrib name="tiff:RowsPerStrip" type="int">32</attrib>
</ImageSpec>
src/subimage.tif :    2 x    2, 3 channel, uint8 tiff
    3 subimages: 2x2 [u8,u8,u8], 2x2 [u8,u8,u8], 2x2 [u8,u8,u8]
 subimage  0:    2 x    2, 3 channel, uint8 tiff
    SHA-1: 39754B9B5BF224DA2869627680D5853D787E794F
    channel list: R, G, B
    compression: "zip"
    DateTime: "2022:11:23 12:50:55"
    Orientation: 1 (normal)
    planarconfig: "contig"
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=0.25,0.5,0.75 2x2 3 -dup -dup --siappendall -d uint8 -o subimage.tif"
    oiio:BitsPerSample: 8
    tiff:Compression: 8
    tiff:PhotometricInterpretation: 2
    tiff:PlanarConfiguration: 1
    tiff:RowsPerStrip: 32
    Stats Min: 64 128 191 (of 255)
    Stats Max: 64 128 191 (of 255)
    Stats Avg: 64.00 128.00 191.00 (of 255)
    Stats StdDev: 0.00 0.00 0.00 (of 255)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 4 4 4 
    Constant: Yes
    Constant Color: 64.00 128.00 191.00 (of 255)
    Monochrome: No
 subimage  1:    2 x    2, 3 channel, uint8 tiff
    SHA-1: 39754B9B5BF224DA2869627680D5853D787E794F
    channel list: R, G, B
    compression: "zip"
    DateTime: "2022:11:23 12:50:55"
    Orientation: 1 (normal)
    planarconfig: "contig"
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=0.25,0.5,0.75 2x2 3 -dup -dup --siappendall -d uint8 -o subimage.tif"
    oiio:BitsPerSample: 8
    tiff:Compression: 8
    tiff:PhotometricInterpretation: 2
    tiff:PlanarConfiguration: 1
    tiff:RowsPerStrip: 32
    Stats Min: 64 128 191 (of 255)
    Stats Max: 64 128 191 (of 255)
    Stats Avg: 64.00 128.00 191.00 (of 255)
    Stats StdDev: 0.00 0.00 0.00 (of 255)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 4 4 4 
    Constant: Yes
    Constant Color: 64.00 128.00 191.00 (of 255)
    Monochrome: No
 subimage  2:    2 x    2, 3 channel, uint8 tiff
    SHA-1: 39754B9B5BF224DA2869627680D5853D787E794F
    channel list: R, G, B
    compression: "zip"
    DateTime: "2022:11:23 12:50:55"
    Orientation: 1 (normal)
    planarconfig: "contig"
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=0.25,0.5,0.75 2x2 3 -dup -dup --siappendall -d uint8 -o subimage.tif"
    oiio:BitsPerSample: 8
    tiff:Compression: 8
    tiff:PhotometricInterpretation: 2
    tiff:PlanarConfiguration: 1
    tiff:RowsPerStrip: 32
    Stats Min: 64 128 191 (of 255)
    Stats Max: 64 128 191 (of 255)
    Stats Avg: 64.00 128.00 191.00 (of 255)
    Stats StdDev: 0.00 0.00 0.00 (of 255)
    Stats NanCount: 0 0 0 
    Stats InfCount: 0 0 0 
    Stats FiniteCount: 4 4 4 
    Constant: Yes
    Constant Color: 64.00 128.00 191.00 (of 255)
    Monochrome: No
src/mip.tif :    2 x    2, 3 channel, uint8 tiff
    MIP-map levels: 2x2 1x1
    SHA-1: 39754B9B5BF224DA2869627680D5853D787E794F
    channel list: R, G, B
    tile size: 64 x 64
    compression: "zip"
    DateTime: "2022:11:23 12:49:54"
    fovcot: 1
    Orientation: 1 (normal)
    planarconfig: "contig"
    Software: "OpenImageIO 2.5.0.0spi : oiiotool -pattern constant:color=0.25,0.5,0.75 2x2 3 -d uint8 -otex mip.tif"
    textureformat: "Plain Texture"
    wrapmodes: "black,black"
    oiio:AverageColor: "0.25,0.5,0.75"
    oiio:BitsPerSample: 8
    oiio:ConstantColor: "0.25,0.5,0.75"
    oiio:SHA-1: "1042D991FBDE596CF8FBC5660BC809AC057D8B9A"
    tiff:Compression: 8
    tiff:PhotometricInterpretation: 2
    tiff:PlanarConfiguration: 1
    MIP 0 of 2 (2 x 2):
      Stats Min: 64 128 191 (of 255)
      Stats Max: 64 128 191 (of 255)
      Stats Avg: 64.00 128.00 191.00 (of 255)
      Stats StdDev: 0.00 0.00 0.00 (of 255)
      Stats NanCount: 0 0 0 
      Stats InfCount: 0 0 0 
      Stats FiniteCount: 4 4 4 
      Constant: Yes
      Constant Color: 64.00 128.00 191.00 (of 255)
      Monochrome: No
    MIP 1 of 2 (1 x 1):
      Stats Min: 64 128 191 (of 255)
      Stats Max: 64 128 191 (of 255)
      Stats Avg: 64.00 128.00 191.00 (of 255)
      Stats StdDev: 0.00 0.00 0.00 (of 255)
      Stats NanCount: 0 0 0 
      Stats InfCount: 0 0 0 
      Stats FiniteCount: 1 1 1 
      Constant: Yes
      Constant Color: 64.00 128.00 191.00 (of 255)
      Monochrome: No
