[scribus] Image import, wrong original PPI value

GianLuca Sarto glsarto at tiscali.it
Thu Oct 29 16:21:35 CET 2009

GianLuca Sarto wrote:
> Gregory Pittman wrote:
>> On 10/29/2009 10:14 AM, GianLuca Sarto wrote:
>>> Hi there,
>>> I am testing my workflow with images, to find the most efficient 
>>> path to produce a detailed, but small, pdf.
>>> So, I have the same image saved both as tiff and jpeg, it's 1000 
>>> pixel wide, and I want it to print at 200 dpi.
>>> For our product catalog it should be enough.
>>> First the TIFF:
>>> New A4 document, Insert image frame, ctrl-D to get the image, but 
>>> the preview says 72 dpi.
>>> I go on and click OK.
>>> "The tiff may be corrupted: missing resolution tags."
>>> If I click OK and go on, the image is loaded, although with 72 dpi 
>>> resolution.
>>> Now with the JPEG.
>>> The preview is still 72 dpi.
>>> No errors when loaded, but as you will expect, the image has the 
>>> wrong dimension again.
>>> It this a bug? or am I doing something wrong?
>>> BTW, the tiff produced a pdf sized 89K, the jpeg another of 54K.
>> _probably_ this is just referring to the display resolution in 
>> Scribus, which has nothing to do with the export resolution. 
>> Typically, all images are loaded at 72dpi, then in the Image tab of 
>> Properties you adjust for the final size/resolution you want.
>> Greg
> Greg,
> thanks for your kind reply.
> My first test used a 16bit TIFF.
> I have decreased color depth from 16 to 8 bits and corrected a color 
> space mismatch.
> The TIFF now appears with the correct resolution when you preview it 
> after ctrl-D.
> The JPEG does not, though.
> -Gian

must have made a mess with my settings, but now the jpeg made from the 
8bit TIFF will show the correct resolution.


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