Multi Size Patterns And Grading?
I want to draw a pattern in S, M, L, XL etc.
In this case how can I do this?
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Another thing that is in the pipeline.
First you need to decide which sizes will represent S, M, L, XL, etc.
For instance, S = 32, M = 34, L = 36, XL = 38. At the moment, the sizes are just numbers until you give them a meaning, so this way you’re giving them the meaning and you’ll need to remember what this meaning is. The important part is that the numbers used running in a series of 2… like 20, 22, 24 or 32, 34, 36, otherwise it won’t resize correctly.
Then you need to find out what is the base value (starting value), and what is increment between each size.
Currently Multisize files only work in centimeters, so then you’ll need to create a New Multisize table and specify your base (starting) value.
After creating your new file, you can continue in the same way that I described in the previous topic.
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Thank you very much for the answer.
Now I created a T-Shirt body pattern. Let’s say It is the size of 38.
I have Measurement Table and Increment Table.
Now how can I create multisized file and grade It?
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You start a new file in SeamlyME. Select Multisize and size 38 as your base size.
Next, you can go Menu > Measurements > Import from a pattern, and select the T-Shirt pattern to import the measurement areas that you used in that pattern.
Once you have them listed, you go down the list adding the area’s base size measurement (for size 38) and the increment. Ignore the Height.
You will notice (in the bottom left) you can change the size:
As soon as you change the size, the Calculated Value changes:
Once you have completed your Multisize Measurement File, you can save it (actually, I save often), open your pattern & go to Menu > Measurements > Load Multisize & point to your new measurements file:
At the bottom right, you’ll find the place to change the size of your pattern:
If your pattern has been correctly created using the measurement areas in the measurements file, the pattern should resize when you change the size.
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I created a Multi Size file in Seamly2D.
Then imported the T-Shirt pattern into It. Then below chose the size of the T-Shirt pattern which is 38. (And I specified It is base pattern on SeamlyME)
Now It is supposed to be Base Value Column NOT empty. Right? Or do I enter the measurements of the imported T-Shirt again?
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You need to enter the measurements again and also the increment value for each measurement.
Ok.
As far as I understand
Let’s say my Base Pattern is 38.
I enter increment values for each measurement points on the pattern.
Then It applies It to all the sizes.
Question :
Can I set this kind of increments.
Let’s say bust increments
Are 2 cm between the sizes 32-38
And 4 cm between the sizes 38-52
Etc.
How?
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No, you will need to make 2 multisize measurement files.
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Why not an IF THEN ELSE statement in the formula for the increments?
Something like bust_circ > 113 ? 4 : 2 to be read IF bust_circ > 113 THEN in = 4 ELSE in = 2
You can even nest IF statements if you wanted 3 ranges
bust_circ > 113 ? ( bust_circ > 130 ? 4 : 3 ) : 2
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Thank you very much. I note this.
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Did I miss something? Which increments do u think about. As far as I know in seamlyMe it is not possible to add formulas just values.
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Because the increment entry is currently a number box. Would it be hard to change it to a formula box? (sorry I don’t remember the proper terms, they were called fields on the software I grew up with, but you mentioned fields are a very specific type in qt.)
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Ah…You’re right - my bad. Doh.
Shows how much I’ve actually looked at the multisize. 
Could we switch it to a formula (line edit string)… sure. If that seems like a useful thing to do? It’s just a bit more work to validate the value, as a QLineEdit box does not come with a value range like a the QSpin boxes do. To be honest I’m not a fan of spinboxes as it’s easier to just type the number in by the time you spin to the number you want. It’s just that you can easily set the Int or Double range of a spinbox in Creator. Here’s the size increment box:
I have no idea why the range is -10000.0 to 10000.0? Unless it’s later being set in the code. A spinbox also has a validator that filters out anything but 0-9 and a period.
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It would be really useful, in women’s wear the increments are not linear between all sizes. Right now multisize measurement has to be split in 3 files.
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You’d be my hero forever!!! 
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Just for heck I checked the code for the size & height increment spinboxes - while it doesn’t set a min & max for the range, it does set the decimal places depending in the units. What’s obsurd is it sets the Inches to 5 decimal places and the single step to 0.00001… that means the boxes step from -10,000,0 to 10,000.0 by 0.00001 of an inch. Sure… no problem measuring 1/100,000 of an inch.
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Of course as I thought about it, since the size and height increment values are treated as real numbers, we’d have to change the schema so that they are strings to acommodate a formula. The tedius part being - as usual - that earlier versions would have to convert the number value to a string.
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