Promoting Nancy’s photography and educating the public about nature, photography, and God

Category: Applied math

  • My Solution To A Puzzle Project

    A good friend and neighbor brought us a 1000-piece jigsaw puzzle she had completed (with some help from her family) of Bryant-Denny Football Stadium at the University of Alabama in Tuscaloosa (her alma mater). She had already coated both sides of it with Elmer’s Glue and wanted a simple way to hang it on the…

  • Our Latest Framing Project

    Earlier this year, a friend brought over a friend with a 46½ x 21″ monochrome print of the Scott Base comic strip “The Suit”link. (I give these details only because the content itself in some ways inspired the final project design.) We discussed possibilities while they were here. After considering the obvious choices of a…

  • How To Join Mouldings With 30° & 45° Bevels

    And More . . . Get printable version(.pdf) We found that when using moulding with 45° bevels, there isn’t much extra material to work with when trying to make the corner folds while stretching the canvas. Thirty-degree bevels aren’t as bad, so that is what we usually use for stretching our images. I’ve also found…

  • How To Make Your Beveled Edges Look Like A Continuation Of Your Image

    When describing our canvas gallery-wrap optionslink, we mention that the technique we use, the digital stretch wrap, creates an optical illusion. For any given amount of stretch, there is a particular “illusion angle” at which the sides look like an unstretched and uncompressed continuation of the frontthe math. Figure 1 shows that angle for various…

  • Answers To “Is This Picture Level?”

    A few weeks ago, I asked a few questions about a picture of me on the Turner Riverlink. I even offered a reward for the best answers. Here are my answers. First Question NO, the picture is not level. The photographers’ usual reference point for getting a picture level is the horizon. One of the…