Search found 5 matches
- 2014-05-02T13:30:43-07:00
- Forum: Users
- Topic: [resolved, thanks!] loss of resolution converting PDF to PNG
- Replies: 9
- Views: 9116
Re: [resolved, thanks!] loss of resolution converting PDF to
convert -density 800 image.pdf -resize 50% image.png That would make the intermediate image twice the dimensions you need, but then resize it down by 50% to the size you wanted. This is not need, but just an option. Got it. I was just wondering if doing that would give any benefit, seeing as the ...
- 2014-05-02T11:50:36-07:00
- Forum: Users
- Topic: [resolved, thanks!] loss of resolution converting PDF to PNG
- Replies: 9
- Views: 9116
Re: severe loss of resolution converting from PDF to PNG
Even though the original is only 400dpi?fmw42 wrote:You can also specify a larger density than 400 and then resize the image down to the right size. That will give higher quality …
edit: the -density option worked perfectly. Thanks so much!
- 2014-05-02T11:35:53-07:00
- Forum: Users
- Topic: [resolved, thanks!] loss of resolution converting PDF to PNG
- Replies: 9
- Views: 9116
Re: severe loss of resolution converting from PDF to PNG
alright, thanks!
- 2014-05-02T10:52:00-07:00
- Forum: Users
- Topic: [resolved, thanks!] loss of resolution converting PDF to PNG
- Replies: 9
- Views: 9116
Re: severe loss of resolution converting from PDF to PNG
The PDF is 35.46" × 17.24" at 400dpi ... You need to tell ImageMagick this, with "-density 400". (Not with "-size".) So, convert <pdf file name> -colors 540000 -density 400 <png file name> ? (I am trying this out for myself; I just wanted to double-check since it's been taking about an hour for IM ...
- 2014-05-02T10:42:30-07:00
- Forum: Users
- Topic: [resolved, thanks!] loss of resolution converting PDF to PNG
- Replies: 9
- Views: 9116
[resolved, thanks!] loss of resolution converting PDF to PNG
I have a PDF which I am trying to convert to PNG. The PDF is 35.46" × 17.24" at 400dpi, but when I convert to PNG, the output image is only 2553px × 1241px (I'm expecting more like 14184×6896). I was able to use the -resize option to get the expected dimensions, but it is just an enlarged version of ...