Threading the film…
Threading the film…
How to make a Free Slope Card also, in this video I’ll go through how to use a slope card to estimate the steepness of terrain directly from a map. In this video I explain how contour lines can reveal the angle of a slope and how a simple tool like a slope card can help you quickly judge whether a hillside is gentle, steep, or something that requires extra care. I demonstrate the basic principle behind contour spacing, show how slope cards work in practice, and explain the common five-contour method used to get a more accurate estimate when lines on a map are close together. This can be useful when planning routes, estimating how long a climb might take, assessing avalanche risk, or deciding whether certain terrain might require extra equipment. Many compasses include a slope card in the box, and some even have the information printed directly on the baseplate. But because these cards are small and easy to lose, I’ve also created a free Excel-based slope card generator that you can download and print for any map scale. In the video I also show: • How to use a slope card with a 1:25,000 map • How to measure slope angles using contour spacing • How to print and customise your own slope card • How the Excel sheet works behind the scenes • The formulas and VBA code used to generate the slope card The spreadsheet is completely free to download from my website. I also show all the formulas and code so anyone who understands Excel can see exactly what it does. _____________________________________________ 🔗 Download the free Excel slope card: https://mapreading.co.uk/slope_card.xlsm NOTE - as this file (Excel Workbook) contains executable Visual Basic Codes it is almost certain that these (codes) will be blocked when you download the file. 1 Go to your downloads folder 2 Right-click the "slope_card.xlsm" file 3 Select Properties 4 On the General tab select / check the Security/Unblock box