| Sampling |
| North West corner Latitude: Longitude: |
| South East corner Latitude: Longitude: |
| Sampling Poinst: N-S axis: W-E axis: |
| Plot Options |
| Units: |
| Rounding for legend (decimal places): |
| Save/Load Cookie |
| Other Options |
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Go to the desired location in the map, set two markers by clicking the map to define a rectangle (or enter coordinates manually). Click the button [get data]. Optionally you can change the number of elevation samples you want in each direction, the more the better (max 400). You can also change the number of contours or set custom contour values. You can save some data in cookies, however there is a limit. Use the manual saving text areas below alternatively.
This service comes without any warranty whatsoever, including but not limited to functioning or correctness.
Resources: This service uses ArcGIS Map by Esri, the OpenStreetMap, Geocoding by Nominatim, Mapzen, Leaflet, jQuery and the CONREC contouring algorithm by Paul Bourke and Jason Davies.
Created by Christoph Hofstetter (christophhofstetter (at) gmail.com) 2013-2025If you want to have the contour maps as an individual layer (e.g. to create overlays) you can copy the code underneath the image below and save it as an svg file. Please note, as for now, the drawing below is square and you may want to stretch it to cover the actual area in a map.
| Download SVG file |
| Download KML file |
Did this guide help you fix your USB OTG issue? Share your experience on XDA Developers or the r/AndroidRoot subreddit. For professional developers, refer to the official AOSP source: /frameworks/native/data/etc/android.hardware.usb.host.xml .
In 2021, many users with older rooted devices (such as Samsung Galaxy S4 or older tablets) reported that even though their hardware physically supported OTG, the software lacked the necessary permission file to activate the USB Host API . Adding this file manually—typically to /system/etc/permissions/ —was a common community fix. Stack Overflow File Content
In , this file remained relevant primarily for:
Never download system XML files from random "free file download" websites. These are vectors for malware. Instead, use trusted sources.