| 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 |
The application functions without making intrusive registry changes or leaving permanent software footprints on industrial host systems.
is required to unlock advanced "Rescue" features, such as automated DCOM configuration and connectivity repairs. 2. Purpose of the Activation Key
: Scan the QR code using a mobile device connected to the internet. The browser redirects automatically to the OPC Expert Support Verification Portal . Opc Rescue Activation Key
Enter the response registration code provided by support back into your isolated machine to authorize full operations permanently. 3. Hardware-Bound USB Keys
Legal authorization to use the tool for professional, third-party, or plant-wide troubleshooting. How to Obtain a Legitimate Activation Key Purpose of the Activation Key : Scan the
Why is the keyword "Opc Rescue Activation Key" so popular? Because like most premium software, OP Rescue is not free. After a trial period (usually 30 days), the software limits functionality—often allowing you to scan and preview files but blocking the actual recovery until you purchase a license.
The industrial automation community is active in discussing OPC Rescue and its licensing. On forums like 52pojie.cn (a Chinese reverse-engineering forum), some users have attempted to crack OPC software. One user documented their attempt to patch the trial version, modifying executable code to bypass demo restrictions.Such discussions highlight the technical challenges involved, with many attempts ending in partial success or complete failure. you can explore other options.
Before making a purchase, you can explore other options.