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POChange DPI with Javascript Google Maps Api
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copied!<p>I need to create a 80x80cm (or 33inchx33inch) map with Google Maps. This map will be printed and exhibited, so the higher DPI the better. Actually, in printing, a 300DPI is the minimum.</p> <p>Now, I'm using the Javascript API in order to create the map I want : - change the mapOptions with an array of styles with various colors - add a Transit Overlay in order to have the map of the urban trains added over the map (see this aautar.digital-radiation.com/blog/?p=3761) - add polygons as a link to KML URL to one of my maps</p> <p>If you want to see the result : <a href="http://www.tellnet.fr/blog/test.html" rel="nofollow">http://www.tellnet.fr/blog/test.html</a> (it's very long to download since it's a 5000x5000 picture).</p> <p>The problem is that, at the Scale level I want (with not too many details), the big picture I get is a 5000x5000, which gives a 150DPI only printable file.</p> <p>To obtain a 10000x10000 picture as I would to print a 80x80cm map at 300 DPI, I need to : - either my map zoom once, but then I've got soooo many details, that will be printed super tiny - or change the DPI of the map, asking Google Maps to double it.</p> <p><em>It would basically give me the same map at the same scale, but with thinner lines and texts (making a 10000x10000 pictures).</em></p> <p>I know this is possible with the static maps Api, change the Scale value to 2 (see <a href="https://developers.google.com/maps/documentation/staticmaps/?hl=fr#scale_values" rel="nofollow">https://developers.google.com/maps/documentation/staticmaps/?hl=fr#scale_values</a>).</p> <p>The problem is that, this is the <strong>static</strong> maps API, so please can someone tell me if : - it's either possible to do all the above things with the static API - or change the "scale" value (ie the DPI value) with the Javascript API.</p> <p>I also tried to change the meta viewport value, but this only works with mobile devices... (I searched for all solutions, now I'm blocked!)</p>

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