rgb - ImageMagick Reduces Colorspace to Gray -


I convert RGB and CMYK TIFF images to RGB JPEG 

  Convert a .tif - If there is only gray pixels in TIFF image, then the colorful location of JPEG is gray, not RGB.  
 How can I force image magic? Always use RGB?   
 
 
 Try this:    Convert a.tif -colorspace rgb However, I have to ask:  How do you decide your decision  'The resultant JPEG's color palette is gray, not RGB?' ?!?   
 The image can see the status of the colors used by the magic tool  identity  if you have  convert , then your Will also pass  identity :  
  identify-format "% [colorspace] & lt; ==% F \ n" * .png * .jpeg * .pdf * .tif   
 Example output:  
  sRGB & lt; == Full-processed-origin .pgg gray & lt; == Tiffin 4 CIMYK & lt; == CMKPDF CMYK & lt; == Photoshop.jpg

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