[Chimera-users] How to save high resolution image?

Eric Pettersen pett at cgl.ucsf.edu
Thu Apr 19 10:35:57 PDT 2012

As far as I can tell, POV-ray images don't have the DPI setting  
specified in the Chimera interface.  Always seems to be the screen  
DPI.  There is a ticket for this problem now:

#10683 (POV-ray not honoring DPI setting) – Chimera

However, non-POV-ray images have the right DPI.


                         Eric Pettersen
                         UCSF Computer Graphics Lab

On Apr 19, 2012, at 9:12 AM, Elaine Meng wrote:

> Hi Yogendra,
> In the "File... Save Image" dialog, if you want to enter "dpi" you  
> need to turn on "Use print units".  Then you can specify a "Print  
> resolution(dpi)" value, and image width and height in units of  
> length (for example, inches) instead of pixels.
> Please send questions to the chimera-users address only (not the  
> chimera-bugs address).
> Thanks,
> Elaine
> ----------
> Elaine C. Meng, Ph.D.
> UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
> On Apr 18, 2012, at 10:37 PM, Yogendra wrote:
>> Dear Sir,
>> I am a new user of Chimera software. I am using this software for  
>> academic
>> purposes (i.e. research publications). I am trying to save the  
>> image with more
>> then 600 dpi but every time i am ending up with an image of 96 dpi.  
>> I am using
>> the POV-Ray method for image improvement but everything is going to  
>> the drain
>> when taking the final print of the document. Can you please help me  
>> ho can i
>> save a high resolution image? I am briefly describing my protocol  
>> of image
>> generation:
>> 1) I am making a density map of particular PDB file.
>> 2) loading in the Chimera and adjusting the volume by volume viewer  
>> option
>> 3) Coloring it using described colors
>> 4) Using Pov-Ray for increasing effects on plane
>> 5) Increasing the pixels to about 5000 in the pixel option
>> 6) finally trying to save an image with 600 or 1200 dpi.
>> But at the end of this, i am just getting an image of 96 dpi every  
>> time. Can you
>> please help me out to make an image of higher dpi (600, 1200 or  
>> more if
>> possible).
>> It will be very much helpful for me if can do it. I am stuck at  
>> this point.I am
>> badly waiting for your reply whether i can do it or should i look  
>> for some
>> another software.
>> Regards
>> Yogendra S Rathore
>> Research Scholar
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> Chimera-users at cgl.ucsf.edu
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