comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » Re: Pixels per Inch

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Pixels per Inch [message #37392 is a reply to message #37388]

Mon, 15 December 2003 05:52

R.Bauer
Messages: 1424
Registered: November 1998

Senior Member

Pepe wrote:
> Good morning,
>
> I have created a PNG image using the "write_png" routine. I have
> subsequently been asked to increase the resolution of this image from
> 96 pixels per inch to 300 pixels per inch, how can I do this ?
>
> I would be very grateful if someone could point our to me how to
> determine the resolution of a PNG image, and how to vary it (if
> possible) ?
>
> Thanks in advance for the help.
>
> Best Regards,
> Pepe

Dear Pepe

you should write into a postscript file and then you can use the pstoimg
routine from the latex2html package or convert from ImageMagick to
convert from ps to png.

With both you can set the resolution.

Reimar

--
Reimar Bauer

Institut fuer Stratosphaerische Chemie (ICG-I)
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de
------------------------------------------------------------ -------
a IDL library at ForschungsZentrum Juelich
http://www.fz-juelich.de/icg/icg-i/idl_icglib/idl_lib_intro. html
============================================================ =======

Report message to a moderator

[Message index]

		Re: Pixels per Inch By: sdj on Tue, 16 December 2003 09:03
		Re: Pixels per Inch By: JD Smith on Mon, 15 December 2003 13:46
		Re: Pixels per Inch By: Craig Markwardt on Mon, 15 December 2003 12:20
		Re: Pixels per Inch By: JD Smith on Mon, 15 December 2003 10:00
		Re: Pixels per Inch By: R.Bauer on Mon, 15 December 2003 05:52
		Re: Pixels per Inch By: William Thompson on Fri, 19 December 2003 10:46
		Re: Pixels per Inch By: JD Smith on Tue, 16 December 2003 10:49

Previous Topic:	TWINS
Next Topic:	The Elements of IDL style

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 17:51:20 PDT 2025

Total time taken to generate the page: 0.00417 seconds