How to use Color Ramp and gradient texture Widget Node in blender

the Color Ramp node puts out a mask that is fully transparent where the image is black. Black is zero, so Color Ramp outputs the color at the left end of the gradient, which is set to transparent. The Color Ramp image is fully red and opaque where the image is white ---------------------Disclaimer--------------------- Copright Disclaimer Under Section 107 of Copyright Act 1976, allowance is made for "fair use" for purposes such as criticisms, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips tha balance in favor of fair use #blender