I think I would like to have something similar to the Kodak sliding crop tool. If I know the proportion of the new size, can I overlay the croptool on the original photo and visually see where the cropping will need to occur? This is what I really need.ġ0) Grey Owl - I do have my slide rule, but I dont see how it is the same a proportion calculator? Seems to me the slide rule worked on the principal of adding the equivalent logarithms of two number? Did I fall asleep during my algebra with slide rule class? However, I have to scan the picture, or take their digital file and load it into photoshop, which I find is time consuming at the sales counter.ĩ) Francisco - I do remember the Kodak sliding croptool. Again, this is 1/2 of the answer I need.Ĩ) Photoshop Method - this will certainly work. If I can input the dimension of the original photo and tell it size of one of the sides of the target enlargement, then hopefully it calculates the dimension of the second side, thereby telling me how much to crop. I am sure can look it up and figure it out. I have to prove to them that it may not work due to the cropping required to achieve the desired size.ĥ) Bill - the algebra method is the current method I use, but still is only 1/2 the answer.Ħ) Gumby - I agree practice makes it easier to resolve and I often "wing it" with the answer, but I could make a mistake.ħ) Rob - I dont think I understand the Proportion Wheel. This tells me how much to crop, which again is 1/2 of the answer.Ĥ) Wally - it dont matter what the proportion is what matters is the size the customer wants - often cause they already have a frame.
The key is a quick answer.ģ) Dave - the equation is not difficult, I just used it as an example.
I thought about writing a program, but I a sure it has been done.
5X7 ASPECT RATIO CALCULATOR HOW TO
I would like to respond to each:ġ) Doug - How to crop is not the issue, Figuring out how much to crop quickly is the question.Ģ) Steve - the Proportion Calculator is 1/2 the answer, still a bit cumbersome to go to the website. I have to do this on a scratch sheet of paper. So the enlargement w/o cropping is 8x12, which means I need to crop 2 inches from the longer side to get an 8x10 image. This is time consuming.Ģ) do the algebra using proportions, for ex: if the image is 4圆 and they want to enlarge to 8x10, the equation is: 4/6 = 8/x, solve for x. I have a couple of ways of calculating this, but both are a bit awkward:ġ) create a blank image size of the original in Photoshop and resize - this tells me the dimensions. The customer needs to be told this up front and I may need to try another size, or simply tell them it wont work in that size. This is important because if the cropping removes part of a person's head or body part, it may not look good. However, they want the enlargement to be 5x7 or 8x10 or some other standard size - thinking they can put this into a cheap frame, right! The problem I have is, if the original photo is a given size, how can I tell if it will expand to the target size without having to crop part of the image? And if I have to crop it, where would the crop marks be on the enlarged image? A customer comes in with a photo and wants to have it made larger or sometimes smaller.
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