Variable gradientConst

gradient: MultipassFilter<
    {
        method: {
            default: "sobel";
            description: "The kernel used. Sobel is the usual choice, Scharr is more accurate for diagonals, Prewitt is the simplest.";
            label: "Operator";
            options: { prewitt: "Prewitt"; scharr: "Scharr"; sobel: "Sobel" };
            type: "enum";
        };
        output: {
            default: "magnitude";
            description: "Magnitude shows edge strength in any direction; Horizontal and Vertical show signed change on mid grey.";
            label: "Output";
            options: {
                horizontal: "Horizontal";
                magnitude: "Magnitude";
                vertical: "Vertical";
            };
            type: "enum";
        };
        strength: {
            default: 1;
            description: "Scales the result; raise it to see faint edges.";
            label: "Strength";
            max: 10;
            min: 0;
            step: 0.01;
            type: "float";
        };
    },
> = ...