[magick-developers] How to use "density" parameters

[Glenn Randers-Pehrson]

At 06:14 PM 10/26/2007 +0200, you wrote:
>
>
>Hello,
>
>I want to print picture with high resolution. I know that the attribute linked
>to the resolution is the "density" parameters. But my problem is that I don't
>know
>how I can use it...
>
>I try different way
>image->set(density=>"200")
>image->set(density=>"200x200") etc...
>
>But the effect done is that the pictures are smaller, so I have to multiply the
>size of the items represented on these pictures...

Yes, that is how "density" works.

>I just want to reduce the
>size of one picture pixel, not want to play with the size (i.e make zoom in and
>zoom out to look better...)

You are asking for a coordinated "density" and "resize" to obtain the
same size picture with a different amount of pixels.  That might be a
useful feature.

    -newdensity "200"
would achieve
    -resize (100*200/current_density%) -density 200

>Is anyone here who know how parameterize this attribute???

See above