Use this tag for questions asking regarding units of measurement

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67
votes
5answers
156k views

Point vs Pixel: What is the difference?

What is the difference between points and pixels?
15
votes
3answers
1k views

Why do we still use points as a measurement of type size?

I'm in the UK, which uses metric units for pretty much everything now except road distances and beer (obviously best kept apart). Page sizes have been metric here and in most of the rest of the world ...
7
votes
3answers
143 views

Are physical units for web design a good idea?

Coming from a design time pre-digital and musing over the 'pixel' would a physical measurement such as a cm work in web design at some point? Do all devices have a designated ppi (pixel per inch) ...
5
votes
1answer
2k views

How can I set Photoshop default unit for free transfom?

You can easily set default units in Photoshop preferences, but they doesn't seem to have any effect on free transform (⌘T on the Mac), which always start with percentage as unit. I'm aware that you ...
4
votes
1answer
188 views

Photoshop tracking and kerning: what do the number values mean?

Working on a site design where I'm trying to translate a tracking value of "100" to the CSS letter-spacing property. When I specify a tracking value of "100", what am I saying? Definitely doesn't ...
3
votes
1answer
137 views

How to view a unitless raster image at 1:1 given a desired print size?

I want to preview a map that I'm generating before sending it off to the (expensive) printer. Unfortunately, the tool used to make it (TileMill) has no concept of paper sizes, DPI or any units. It ...
1
vote
1answer
147 views

How make rulers relate with grid somehow in Illustrator?

How to make rulers and grid show the same coordinates and units? Currently it shows absolute delirium for me:
1
vote
1answer
143 views

Illustrator CS5 do not automatically change the measuring unit to the files default?

I am creating images for both web and print so I use pixels (px) and millimeters (mm) back and forth. But whenever I open the other type of file (i.e. opened web(px) first then print(mm), or print(mm) ...
1
vote
0answers
2k views

How to fix Illustrator preferences file is corrupt issue? [closed]

I have Illustrator CC 19.0.1. Everything is working fine except that everytime I launch my Illustrator I get "Preferences file is corrupt" message twice and then it starts. Also, after working ...
1
vote
0answers
385 views

Measurements and units in svg-edit

I am doing a modified version of SVG-edit 2.6 alpha, an online tool that allows the creation of graphics. I intend to use the application to allow my university students to send files for cutting ...
1
vote
1answer
1k views

3ds Max units problem when importing STL file from SolidWorks

I'm trying to import a SolidWorks file (saved as .STL) to 3ds Max. The shape, vertices etc. are importing correctly. But I cannot figure out how to set the units. I made a simple 100mm x 100mx ...
0
votes
2answers
9k views

Adobe Illustrator doesn't change units from points (pt) to pixels (px)

Text items in my project are measured with pixels as I need it to be, but shapes - only in points, even though there are "Pixels" selected in Preferences->Units. In other project files everything's ...
0
votes
3answers
6k views

How to design with density pixels in Photoshop?

I'm programmer, not graphic designer, but I have to design some Android application interface in Adobe Photoshop (or Illustrator). I want to follow Google resources/guidelines for new Android ...
0
votes
1answer
23 views

How can I set custom units in Photoshop?

How can I set custom units in Photoshop? For example I want to see all distances in dp, where 100.00dp = 150.00px I've tried to set it in Edit -> Preferences -> Unit & Rulers, but there ...
0
votes
2answers
2k views

Pixels in Vectors - SVG

I am working on the svg-edit application and I am receiving customer orders through the web. I am converting those pixels to mm based on the formula 3.77 pixels = 1 mm. Is there anyway that ...
0
votes
0answers
18 views

Shape Builder tool changes objects dimensions [duplicate]

I'm looking for a solution. I can use one of those two tools - Pathfinder or Shape Builder Tool. Pathfinder is not very comfortable, but after "Unite" object dimensions remain the same and this is ...