Can I change 96 dpi?
ShadowEngineer
Posts: 0
Hi everyone!
I tried to find options to increase resolution from 96 pixels/inch to higher, but I failed.
Is it possible anyway? And how? :-)
Thanks in advance for your help!
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What are you trying to do or hoping to gain? Are you looking to make a higher resolution render? If so what rendering engine? I you are using 3Delight which is studios 3rd party solution you will probably need to render to a new window at the dimensions you want as pixels, not dpi. For instance if need to go to print on an image that's 200x300 and I need it to be 4"x7 I generally render at 2000x3000 pixels and specify New Window with the radio box selection.
Thank you for your reply!
I use 3Delight and specify New Window and render at 4000x3000 and higher.
But the quality is 96 dpi and I would like it to be 300 dpi.
Is there any option to increase it? Do I need to set render settings on some specific values?
DPI is not the size of an image by itself, its the resolution of an image when used at a specific size.
If I render a piece thats 300x300 pixels on my computer and print to a printing device I can print out approximately 300 dpi if I make the image 1"x1" If I blow that piece up to twice the size (2"x2") I'm now printing that same piece at about 150 dpi, at 4x4 I'm printing about 75 dpi. So if I want to print a piece 300 pixels wide at 300 dpi so it will be 300 dpi at 10"x10" I need to actually render it at about 3000x3000 then when I print at 10x10 it's printing approximately 300 dpi. If I print that same image at 5x5 it's now approximately 600 dpi
I could also increase the size of that image that was 300x300 and force it fit 10x10 but its likely going to look like crap since I don't have the detail in the pixels to compensate the detail needed to make it look clean. BTW I would be doing all the printing outside of the Daz Studio application in Photoshop, or Illustrator or something like that where I have control over print size and image, and I'd be converting the image to CMYK if it was going to a color printer. Studio natively saves RGB tif or jpg or png. RGB is no good for high resolution print, it's based off light not the Cyan, Magenta, Yellow and blacK inks native to most color printers.
Some software will calculate this out for you, but Daz Studio is not that kind of software, so here's a link to help you.
http://auctionrepair.com/pixels.html
In fact, the DS renders don't have a PPI setting - image editors assign either 72 or 96 on opening.
Thank you all so much!
Your advice were very helpful! :-)
DPI makes a difference because it decides how much you can get within the selection box for the render. The difference is DPI is spatial resolution and X by Y is pixel resolution. If you have a 1920 x 1080 image that's only 10 DPI, the image quality is going to be very bad; to put is nicely. You can have the same 1920 x 1080 image at 300 DPI and it will look great. The print size will only be about 6" by 3.3" though at that spatial resolution. If you want a relatively large image, I'd go with 6000 x 4000 or there about depending on the aspect ratio you want to use.
Personally, I'd like to use at least 300 DPI so that I can get more of the scene into the selection box for the render without having to zoom way out so that my character is no longer the main subject of the scene. Alas, it does not appear that this can be done within Daz Studio; which is unfortunate.
This is incorrect.
The zoom setting in the DS preview window has no effect on the DPI of the screen or the PPI of the image.
As you say, DPI only matters at print time.
Do the calculation before you start, set how many pixels you need then just forget about DPI while using DS.
DS renders don't have a PPI value - they show as 72 or 96 when opened in most viewers or editors as the software assigns a val;ue to untagged images, but you can either change that to 300PPI if the software allows you a free choice of assignment for untagged images or you can change the PPI without resampling in the editor. A pixel (of a given bit-depth and number format) is a pixel is a pixel.
prixat - I didn't say that the zoom had any effect on the DPI. No, DPI does not only matter at print time. Let me reword things a bit . . . At any given aspect ratio, say 4:3, you *should* be able to get more of the scene inside the bounding box at 300 DPI than at 75 DPI. That's how PhotoShop works. Increasing the spatial resolution at a constant pixel resolution and constant zoom setting will make the image smaller. Therefore, if you created a bounding box using guides, you'd get more of the image inside of the bounding box. This is how Daz Studio *should* work. Just like PhotoShop. However, it does not. That's the problem.
Richard - I do not want to resize it in post processing. I want to fit more of the scene within the bounding box in DS *without* having to zoom way out; thus, making my 3D character more a part of the the background than as the main subject of the scene. I don't have Bryce or some other app that I can import my 3D character into. So, I have to import the environment into DS. That's where the problem starts. If I import the environment too small, it makes the character look like a giant. If I import the environment too large, it appears equally unrealistic. Being that I cannot change the DPI, how do you suggest that I solve this problem?
You are Still talking Image files, Your DAZ Studio Viewport is not a image except on your screen. The Output file at Render is the only file that has a thing to do with DPI. Your viewport in DAZ Studio is only a OpenGL screen port, not a DPI dependent image format.
The viewport is (effectively) the viewfinder of an SLR camera; it shows exactly what the image will be on the film (or render). Changing DPI, PPI, or any other image-measurement value will NOT affect what you see through the viewfinder. You can either move physically closer or farther away, or you can use (in the real world) a zoom lens.
If you create and use your own camera in Studio you can vary the focal length - effectively a zoom lens.
But Jaderail is correct - DPI is a meaningless concept in Studio.
ETA - if you want a physically larger result OF THE SAME IMAGE got to Render -> Render Settings and change the Pixels value (current maximum is 10,000 by 10,000); this will give you a higher resolution image, but it will still be what you see in the viewport.
Changing the PPI without resampling does not change the image size - it just changes the PPI (a number at the front of the file) while leaving the pixels, and so the image, unchanged. PPI is purely a number saying how big the pixels are - you could just as easily store it as a size in inches (1/96", 1/72" or 1/300") rather than as a repeat number. PPI is not a quality setting - PPI plud dimension in inches obviously is, since the two together determine the number of pixels which is a quality setting, but in DS you set the pixel dimensions not physical dimensions.
While an image is digital and viewed digitally it has NO physical size. For example, if your screen resolution is 1024x768 and you view a 800x600 image it will look a certain size on your screen. Change to 1280x1024 and the same 800x600 image looks smaller even though the number of pixels did not change.
There are three terms for DPI:
DPI (the one that everyone is confused about)
This value is determined by the program you are printing from!!! Regardless of where the image originated, as stated above, digital images DO NOT have a physical size! This DPI allows the computer to tell the printer how many pixels of the images are being printed per physical inch on the paper.
Physical DPI (printers)
This is the printers ability to print X number of ink or toner dots per physical inch on the page. 300dpi is enough for text but sucks for images. 720 dpi is the minimal for images. the higher the better to a degree as it will get to the point where the human eye will not notice the difference.
PPI (pixels per inch - scanners)
Its the exact same thing but only refers to scanning an image into digital. It basically means how many pixels per phyical inch.
To read more on where the whole issue started, please see this article here:
http://www.scantips.com/no72dpi.html
sorry but for inkjets printer even though they have cmyk need rgb files to print correctly because the driver does the conversion to the colors of the printer inks, Cmyk is for printing presses they have use common cmyk inks for all presses.
DPI is dot per inch and is for printers they black only and more or less of them in a given grid (line) will make grays (or shades of cmyk) ppi is pixel and is for screen each pixel can have 256 shades of rgb per pixel, dpi has only one ether black or the paper color (or cmyk)