Pixel blur on the contour lines

Hi all

I have a problem with the clarity of the lines used to space copy

It's just literally a line with a race of 1px.

some lines are perfectly clear, where as others are blurry...

not sure why this is happening?

Screen shot 2012-06-08 at 16.36.43.png

This is the only screenshot I can capture...

Tim

Hi Tim,.

You get the blurred lines because they are not positioned exactly on the pixel grid.

When a 1 pixel wide line (or in InDesign 1 pt, which is the same) falls between the pixels, it is anti-aliased when converting to a bitmap and grayscale are introduced. Anti-aliasing is nice for the type and the curves, but not for horizontal or vertical lines. If the line is positioned exactly on the pixel grid, it would be a strong stroke of 1 pixel width.

What you might want in InDesign to avoid this problem is a "align and Snap to Pixel Grid" like Illustrator has.

You can ask it here:

https://www.Adobe.com/cfusion/mmForm/index.cfm?name=wishform

In the meantime, try this for new documents designed for tablets:

Create a new document with the dimensions in pixels of your tablet.

Go to preferences, then select grids

For the grid of the Document, enter the same amount for horizontal, vertical and subdivisions. I got 100 in all these boxes.

This creates a grid of pixels a pixelwide.

In InDesign, go to the view menu and select grids & Guides: see the grid of the Document (you can turn off later) and snap to Document grid.

This will cause your lines to line up on the grid, but they will not be positioned on the pixel, but between the pixels because by default, the line is aligned to the center of the lines. They line up on the grid lines and cover half a pixel on each side of the line. This will give you lines of Ant-aliasing you blurred.

To avoid this problem, make sure that you do not have anything selected and go to the window/contour.

Click the line Align / Align race icon inside (or outside) If you prefer.

This will cause all the lines and boxes falling exactly on the pixel grid.

Save the document as a template in InDesign and use in the future to avoid the blurred lines.

On the far left lines that are exactly on the grid of pixels and next to them, the lines that fall between pixels. On the right the bitmaps that results.

Kind regards

Tone

Tags: Digital Publishing Suite

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