Golden Software Blog

Helping you learn more about the latest product information, tips, tricks, techniques, and customer stories so you can visualize data and communicate results with ease.

Georeference an Image in Surfer

There are many ways to customize and enhance maps. One popular enhancement is including images such as satellite imagery, aerial photographs, or historical maps. Images provide additional information and context for the map. In order to spatially relate the image with the other geographic data sources in a map, the image must be georeferenced.

Georeferencing an image is the process of assigning real-world coordinates to each pixel of the image. The latest release of Surfer can georeference images using three or more control points. Below I will step you through some of the main georeferencing features, but for more detailed instructions on how to georeferenced an image of your own, check out our knowledge base article, How can I georeferenced (assign coordinates to) an image base map in Surfer?

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Recent Comments
Andrew Dudley
Hi Roger, Thank you for posting your comments and question. Surfer 10 does not use any warping when assigning new coordinates to ... Read More
Monday, 23 April 2018 10:30
Justine Carstairs
Hi Fadi, We're glad you are enjoying the software! Yes, Surfer can export grid files to STL format. We have an article on how to ... Read More
Wednesday, 29 November 2017 12:59
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Calculate Slope for a Site Suitability Model

I recently received a call from one of our Surfer users who was trying to create a site suitability model for a new manufacturing development. The user needed to find areas within the proposed site where the slope was under 10 degrees. The site suitability model required specific slope to be respected; the areas that were under the threshold criteria of 10% would be considered potential locations within the site to locate the new development.

A site suitability model can be easily developed in Surfer by creating a slope grid from a digital elevation model or DEM for the area, masking the slope grid to the site boundary, and creating a contour map that highlights the areas that meet the 10% or under criteria. Since this is such an interesting workflow, I thought it would be a great topic to blog about it so others in the Surfer community could benefit from seeing the approach.

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Creating elevation contours within a house footprint from paper notes

Golden Software’s Surfer program can be used in so many applied-science industries for so many different uses, I sometimes forget that it is equally applicable to more business or art-oriented fields. I had a user contact me recently with the following request (paraphrased):

“I have a paper copy of the blueprint of a house, and on it I’ve written elevation measurements that I collected while surveying on the premises. I also have a DXF file of the floorplan of the house. How can I create elevation contours in Surfer and limit them to the shape of the house?”

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Do You Want to Test the New Surfer Features?

We are extremely excited to announce the upcoming release of Surfer, the next version of our 2D and 3D mapping, modeling, and analysis program, but we need your help! We are searching for everyday candid users to test drive Surfer’s new features. This is a great opportunity to get a sneak peek into Surfer’s new features and functionality, to provide feedback on usability and have your voice heard, and to help to make these features exceptional.

If you are interested in participating in the beta testing process, please complete this brief survey:

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Golden Software Presents a Workshop at the GIS in the Rockies Convention

Earlier last week, Golden Software presented two preconference workshops at the GIS in the Rockies annual convention in Denver. The workshops focused on using Surfer as an alternative solution to ESRI’s Spatial Analyst and Geostatistical Analyst extensions for ArcMap. The workshop, given by myself, went through a number of different workflows that can be performed in both Surfer and ArcMap, where there is an advantage to using Surfer. Whether the advantage is cost, processing speed, ease-of-use, or fewer clicks; we flexed Surfer’s muscle for a number of different workflows showing the crowd how easy it is to use Surfer as an alternative to these commonly used ArcMap extensions. The workshops, which were well attended, wowed the crowd with in-depth examples. All of the attendee’s left with some great knowledge about Surfer and a solutions manual so they could apply the workflows to future projects.

The workshops detailed using Surfer as an alternative to ArcMap for these workflows:

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