maning/mapwarper — Issue #10: rectified images is black when using jpeg with alpha channels
Author: maning
Created: 2011-12-20 06:25:04+00:00
State: open

details of image

identify -verbose CagayanDeOro_composite50k.jpg
Image: CagayanDeOro_composite50k.jpg
Format: PNG (Portable Network Graphics)
Class: DirectClass
Geometry: 1000x731+0+0
Resolution: 72x72
Print size: 13.8889x10.1528
Units: Undefined
Type: TrueColorMatte
Endianess: Undefined
Colorspace: RGB
Depth: 8-bit
Channel depth:
red: 8-bit
green: 8-bit
blue: 8-bit
alpha: 1-bit
Channel statistics:
red:
min: 0 (0)
max: 255 (1)
mean: 218.293 (0.856052)
standard deviation: 76.8433 (0.301346)
green:
min: 0 (0)
max: 255 (1)
mean: 214.639 (0.841721)
standard deviation: 74.6824 (0.292872)
blue:
min: 0 (0)
max: 255 (1)
mean: 164.546 (0.645278)
standard deviation: 110.124 (0.431859)
alpha:
min: 0 (0)
max: 0 (0)
mean: 0 (0)
standard deviation: 0 (0)
Rendering intent: Saturation
Gamma: 0.45455
Chromaticity:
red primary: (0.64,0.33)
green primary: (0.3,0.6)
blue primary: (0.15,0.06)
white point: (0.3127,0.329)
Interlace: None
Background color: white
Border color: rgba(223,223,223,0)
Matte color: grey74
Transparent color: none
Page geometry: 1000x731+0+0
Dispose: Undefined
Iterations: 0
Compression: Zip
Orientation: Undefined
Properties:
create-date: 2011-12-20T12:33:45+08:00
modify-date: 2011-12-20T12:18:27+08:00
signature: 0e8a3817d15e90325bb31a1d5424eb69890755ea8febdacd98107239f50b0a4d
Artifacts:
verbose: true
Tainted: False
Filesize: 940kb
Number pixels: 714kb
Version: ImageMagick 6.4.2 07/28/08 Q16 http://www.imagemagick.org