Hello,

I've imported a 400x400 pixel TIFF image into an inkscape drawing, and it comes out as 112.89 x 112.89 mm, which translates to a resolution of roughly 90 dpi.

Where does this number come from? Shouldn't inkscape honour the dpi information that is embedded in the TIFF image?

Alternatively, for images that don't have a "built-in" resolution, inkscape should ask for a "native" size of the image or use a changeable default resolution.

Also I noticed that some imported images have width and height xml attributes while others don't. All this came to my attention when I worked with a SVG file with 20 imported images of about 10MB each (TIFF uncompressed) which bogged down my computer. I tried substitutung the TIFFs with scaled-down (by .25) working copies, which worked fine for those images that had width and height attributes (the others came out a fourth of the size),

I'm just wondering how Inkscape arrives at the "native" size of an image, and I wanted to know if others agreed with my notion that in a vector drawing program the resolution of imported bitmaps was of high importance.

It would also be nice if Inkscape could somehow reload image properties if the original bitmap had changed (by scaling or cropping, for instance).

Thanks, --Dan