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render resolution question

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johnar:

--- Quote ---Edit:// just checked .98 didn't see an option for PNG. is there a trick to doing that? I haven't been around the forums in a while.
--- End quote ---
Welcome back.  :)

--- Quote ---Major changes for build 1118:
PNG Support As of build 1118 Anim8or supports reading and writing PNG files.
--- End quote ---
you got me thinking how long since .png support.
 found it here.. http://www.anim8or.com/smf/index.php/topic,5044.0.html
which was here  http://www.anim8or.com/smf/index.php/board,7.0.html   ;)

slex:
a very informative chat  :o

1. it's the latest development release of Anim8or - build 1234, it has the option for png.

2. it seems that Anim8or has some unusual values of ppi (dpi is printer resolution), png and jpg saved format gives only 72ppi, bmp has fixed 254ppi quality and that cannot be changed in any way within Anim8or. But, as Selden said you can use Irfanview or Faststone to just open and re-save image(without changing anything) and it would fix it to a 300ppi- Faststone works that way. I think that it doesn't decrease any quality as long as you don't use jpg format

Alpha2:
Okay thanks for the insight, guys. I'll give the latest build a look.

As I recall in the old pre-high bandwidth days, 72 was considered the standard internet resolution for Jpg. When I started looking into this I never found a reason for the 254 output on bmp., it never seemed to have a standard other than being a lossless/uncompressed file format.

I suppose for the time being I'll have to include an extra step to make sure I get the output I'm looking for. Glad to see development is continuing and the community still active and helpful.

selden:
As I pointed out, but you seem to have overlooked, you don't have to leave the dpi setting at whatever Anim8or (or other image producer) uses. You can change the dpi settings of any image without changing anything else about that image.

For example, you can take an image consisting of 2100 x 3070 pixels, one intended for a 7x10" image at 300 dpi but which has internal values of 72x72 dpi, and change its dpi values of 72x72 to be 300x300, leaving the image file otherwise unchanged. 

Irfanview and Gimp are two of the programs with graphical GUIs which include that capability. ImageMagick can change dpi settings, too, if you prefer a command-line utility. ( convert -units PixelsPerInch input.png -density 300 output.png ) I'm sure there are others.

I agree that it would be nice if  the dpi settings could be specified to Anim8or before it writes the image to a file, but it isn't essential if you're willing to add the dpi modification to your workflow.

Alpha2:
I didn't over look it Seldon, The answer you gave me was somewhat sufficient, I was just trying to figure out if there was an in-program means for adjusting the resolution so that I didn't need to do it in a secondary program. Again, as I said before I was hoping to avoid situations that could result in errors from having to have an extra step. In the past I've had bad experiences with changing image resolutions where I've lost sharpness before between multiple art programs, so I seek opportunities to avoid the situation.

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