ADD Click box to see full description |
This is the addition function. The result is A + B. A and B can be floats, points, normals, vectors or colors. The result will be a float if both A and B are floats. The result will be a point if either A or B is a point. The result will be a color if either A or B is a color. A type mis-match will result from the addition of points and colors. |
SUBTRACT Click box to see full description |
This is the subtraction function. The result is A - B. A and B can be floats, points, normals, vectors or colors. The result will be a float if both A and B are floats. The result will be a point if both A and B are points or B is a float. The result will be a color if both A and B are colors or B is a float. A type mis-match will result from the subtraction of points or colors from floats or mixing colors and points. |
MULTIPLY Click box to see full description |
This is the multiplication function. The result is A * B. A and B can be floats, points, normals, vectors or colors. The result will be a float if both A and B are floats. The result will be a point if either A or B is a point. The result will be a color if either A or B is a color. A type mis-match will result from the multiplication of points and colors. |
DIVIDE Click box to see full description |
This is the division function. The result is the quotient of A / B. A and B can be floats, points, normals, vectors or colors. The result will be a float if both A and B are floats. The result will be a point if both A and B are points or B is a float. The result will be a color if both A and B are colors or B is a float. A type mis-match will result from the division of floats by anything but another float or mixing colors and points. |
ABS Click box to see full description |
|A| This function returns the absolute value of A; |
SIGN Click box to see full description |
This function returns either a +1 or a -1 based on the sign of the input. |
NEGATE Click box to see full description |
Result is -A, the negative of input A. The result will be the same data type. A can be a float, point, normal, vector or color. |
MODULUS Click box to see full description |
This is a floating point modulus function The result is a float, the remainder of A divided by B. |
REPEAT Click box to see full description |
This is function returns mod(A*FQ, 1). This is the percentage of 1, which that frequency of A represents. |
SHIFT Click box to see full description |
The result is (A+1)/2. This shifts the range of A from [-1,1] to [0,1]. Inputs should lie in the range [-1,1]. Vectors should be normalized. |
CONTRAST Click box to see full description |
This function can increase or decrease the contrast of A. If SHF is negative and GAIN is > 1 this will increase the contrast. If SHF is positive and GAIN is < 1 the contrast will be decreased. The result will be the same data type as A. |
INVERSE Click box to see full description |
This function returns the inverse of A: 1/A. |
REVERSE Click box to see full description |
Result is 1-A. This reverses the direction of A. Inputs should lie in the range [0,1]. Vectors should be normalized. The result will be the same data type. |
AVERAGE Click box to see full description |
This is the average function. The result is the average value of all the inputs. The inputs can be floats, points, normals, vectors or colors but all inputs must be of the same data type. |
RANDOM Click box to see full description |
The result is a random number in the range [0,1]. |
FACTORIAL Click box to see full description |
Returns the factorial of A. OUT = 1 * 2 * 3 .. A |
COMPLEMENT Click box to see full description |
Result is 1-A. This is the complement of A. A may be a float, point, normal, vector or color. The result will be the same data type. A should lie in the range [0,1]. Vectors should be normalized. |
DIFFERENCE Click box to see full description |
This returns the difference of A and B. The result is A - AB. A and B may be floats, colors, points, normals or vectors, but they must be the same type. |
INTERSECTION Click box to see full description |
The result is A * B. This is the intersection of A and B. A and B can be floats, points, normals, vectors or colors, but they must be the same data type. Output will be the same data type. |
UNION Click box to see full description |
The result is A + B - (A * B). This is the union of A and B. A and B can be floats, points, normals, vectors or colors, but they must be the same data type. Output will be the same data type. |
CUBE Click box to see full description |
This function returns A cubed. |
POWER Click box to see full description |
Result of this function is A raised to the power of B; Example: pow(2,3.0) = 2*2*2 = 8; Example: pow(4,0.5) = sqrt(4) = 2; |
SQUARE Click box to see full description |
This function returns A squared. |
SQUAREROOT Click box to see full description |
This function returns the square root of A. |
INVERSESQRT Click box to see full description |
This function returns the inverse of the square root of A. |
E Click box to see full description |
This is the constant e ~ 2.718281828459 e denotes the unquie positive real number such that log(e) = 1. |
EXP Click box to see full description |
Result is e raised to the power of A. |
GAMMA Click box to see full description |
Input X is raised to 1/G. |
LOGARITHM Click box to see full description |
The result is the natural logarithm of A; |
PI Click box to see full description |
This is the constant PI ~ 3.1415927 |
PI2 Click box to see full description |
This is the constant 2*PI ~ 6.2831853 |
HALFPI Click box to see full description |
This is the constant PI/2 ~ 1.5707963 |
SINE Click box to see full description |
This function returns a float between [-1,1], the sine of angle A. |
ARCSINE Click box to see full description |
This function returns a float between [-PI/2,PI/2], the arcsine of A. Arcsine is the inverse of the sine function where the asin(x) = y if and only if sin(y) = x. |
COSINE Click box to see full description |
This function returns a float between [-1,1], the cosine of angle A. |
ARCCOSINE Click box to see full description |
This function returns a float between [0,PI], the arccosine of A. Arccosine is the inverse of the cosine function where the acos(x) = y if and only if cos(y) = x. |
TANGENT Click box to see full description |
This function returns a float which runs to infinity as the angle A approachs PI/2, the tangent of angle A. |
ARCTANGENT Click box to see full description |
This fucntion returns a float between [-PI/2,PI/2], the arctangent of A. Arctangent is the inverse of the tangent function where the atan(x) = y if and only if tan(y) = x. |
ARCTANGENT2 Click box to see full description |
This function returns a float between [-PI,PI]. The sign of the inputs determines in which quadrant the result will be. Arctangent is the inverse of the tangent function. atan2(w,x) = y/z if and only if tan(y/z) = w/x. |
RADIUS Click box to see full description |
This function returns the radius of a circle inscribed in the square defined by S and T. For best results S and T should be perpendicular. Such as: s and t or u and v or the lengths of two perpendicular vectors. |
DEG2RAD Click box to see full description |
This function converts degrees to radians. It returns a float, A in radians. |
RAD2DEG Click box to see full description |
This function converts radians to degrees. It returns a float, A in degrees. |
MIN Click box to see full description |
This function returns the minimum of all input values. The value returned will be of the same data type as the inputs. |
MAX Click box to see full description |
This function returns the maximum of all input values. The value returned will be of the same data type as the inputs. |
CEILING Click box to see full description |
This function returns the smallest integer greater than or equal to A. |
FLOOR Click box to see full description |
This function returns the largest integer less than or equal to A. |
ROUND Click box to see full description |
This function returns the closest integer A. |
CLAMP Click box to see full description |
This function clamps A to the range [min, max]. The data type returned will be the same type as the inputs. |
DU Click box to see full description |
This function computes the derivative of A with respect to u. The result will be the same data type as A. It will be 0 if A does not vary. |
DV Click box to see full description |
This function computes the derivative of A with respect to v. The result will be the same data type as A. It will be 0 if A does not vary. |
DERIV Click box to see full description |
This function computes the derivative of A with respect to B. Deriv(A,B) = Du(A)/Du(B) + Dv(A)/Dv(B). The result will be the same data type as A and B. The results are only useful if both A and B are varying expressions. |
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