DecaMaps vs OSM sketch

Create a large detailed map at once! +++++ features +++++ - DecaMaps is an iPhone and iPad app to create a large detailed map. You can create an original map only by 2 steps. Step1. Decide an area on the map. Step2. Tap the scissor button. The area you choose is quickly drawn a large detailed map. - Easy preview You do not need to zoom in or out to the map. Your iPhone or iPad shows you a large map and a detailed map on the same screen. - Print a large map! You can print out a large poster up to 16 sheets of paper. *Supported paper size: A4/Letter/B4/B5 *Purchase a “large poster print add-on” to print a more than 4 sheets of paper (2 sheets x 2 sheets). (Ad will be removed if you purchase the add-on.) *To print posters, you need a printer that is compatible with AirPrint on the same Wi-Fi network connected with iOS device. - You can also save the map to Camera Roll. Up to 26,000,000 pixel map can be saved as an image file. *On specification of Camera Roll, saved image cannot zoom in enough, but the original image does not become depleted. Save the image to your PC and see it or view with an iPhone app that supports with high resolution image. +++++ "DecaMaps" is useful for +++++ If you print out a large map by yourself, it is very useful for below situations. - Confirm the place where you have never been before. - For pre-confirmation of travel destination or use as a travel guidebook - Print out the places where you have been to or have grown up and enjoy the sight of them - For an evacuation map, an assistant return home map - For a driving map - For check a school route for your child/children - For an event, a lecture presentation

For OpenStreetMap(OSM) mapping, drawing your memo on paper printed the OSM map is good solution. You can describe on the paper anything e.g. Line, words, arrow, symbol and illustration. "OSM sketch" realize such paper mapping on iPhone. You can draw on OSM map anything you want to memo anywhere, anytime without printing beforehand. Operation is easy and optimized for small screen. Multi touch operation ,scroll and zoom, can be executed also during "drawing mode" so you can pull new canvas out quickly. To display current location and zoom in/out map support your mapping and these function are difficult for paper. The drawn line exchange into GPX file and upload to your OSM account page. You can open the GPX file by PC OSM editor(iD, Potlatch2 and JOSM) and edit OSM data based on your lines when you return your home.