How To Gain A Large 300Dpi Tiff Impress Of An Ipad Sketch

...is the query I've been bespeak e'er since I saw the Hockney exhibition.

So far I convey established:

• he uses the Brushes app on his iPad
• Hockney's people terra firma that to avoid pixellation every bit the size of the impress increases, they role a novel slice of software which allows prints inwards a much larger format.

I've looked in addition to looked on the Internet in addition to I tin honour no elevate of the cry of the software.  So I asked the query the other agency circular - the search query was "software used yesteryear Hockney to foreclose pixelation for large prints of ipad drawings"!

So what's the software?

I'm even in addition to hence non certain - but I've found a suggestion - yesteryear a chap called Russ Croop (towards the bottom of the page inwards the link) - who's a lensman who has been creating large prints from iPhone/Brushes. I've summarised his suggestion below

Brushes Viewer app website - every bit good available every bit an Apple app

There is a Brushes viewer (the quote is from the Brushes app site)

You tin opened upwardly your .brushes paintings inwards Brushes Viewer, a costless application for Mac OS X. Brushes Viewer allows y'all to replay your paintings stroke for stroke, export them at real high resolutions (up to 1920 x 2880), in addition to fifty-fifty export them every bit QuickTime movies.

1. Use Brushes Viewer to export iPad sketch at 5X the native size (using the TIFF format) which produces a large file
2. Import to Photoshop Elements in addition to behave on upwardly imperfections (eg unpainted spots)
3. Select Image/Resize/Image Size
4. Unselect resample image box 
5. Type 300 inwards the resolution box (which changes the file to a higher resolution ie 300dpi which is what is normally required for professional person printing) but creates a much smaller image
6. Select resample image box
7. Check y'all convey the units right for the size of picture y'all desire (eg inches or cm)
8. Type inwards the size of the picture y'all require (eg twenty inches high) - in addition to PS Elements resamples it to exercise a novel large picture @300 dpi in addition to keeps the aspect ratio inwards proportion in addition to hence long every bit y'all every bit good convey the "constrain proportions" box checked
9. Also brand certain that the Bicubic Smoother is selected (option only below the resample command) as this is the best pick when enlarging images.

I tried it - in addition to I forthwith convey a real large digital sketch 20x16" inwards Tiff format sitting on my iMac - which was originally created on my iPad.

I followed all the instructions except for the Brushes viewer combat at the kickoff every bit I already had the digital sketch on my iMac.

Now tin anyone meliorate on that every bit a method of enlarging digital sketches created on an iPad?

Any queries? Any suggestions?  Any recommendations? 

PS  Two to a greater extent than posts today related to the Hockney Exhibition

• Book review: Influenza A virus subtype H5N1 Yorkshire Sketchbook yesteryear David Hockney on Making Influenza A virus subtype H5N1 Mark reviews
• Hockney: sketchbooks, iPad sketching in addition to the Yosemite Valley on The Art of the Landscape  This is the post service which triggered this post service - because I wanted to know how Hockney is creating the real large images from the iPad.

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