Edit_Circle_By_Radius
Functions | |
void | DEdit_Circle_By_Radius (HC_KEY key, const HC_DPOINT *center, double radius, const HC_DVECTOR *vector) |
Similar to Edit_Circle_By_Radius(), but operates on double-precision data. More... | |
void | Edit_Circle_By_Radius (HC_KEY key, const HC_POINT *center, double radius, const HC_POINT *vector) |
Generates a flat, infinitely thin, colored-in circular object. More... | |
Detailed Description
Function Documentation
◆ DEdit_Circle_By_Radius()
void DEdit_Circle_By_Radius | ( | HC_KEY | key, |
const HC_DPOINT * | center, | ||
double | radius, | ||
const HC_DVECTOR * | vector | ||
) |
Similar to Edit_Circle_By_Radius(), but operates on double-precision data.
- Parameters
-
key - key to a circle object. center - An x-y-z triplet for the coordinates of one of three on the circumference of the circle. (A simple array of three elements may also be used in most languages.) Passed by reference always. radius - Length of the radius of the circle. vector - Vector that is perpendicular to the plane of the circle.
◆ Edit_Circle_By_Radius()
void Edit_Circle_By_Radius | ( | HC_KEY | key, |
const HC_POINT * | center, | ||
double | radius, | ||
const HC_POINT * | vector | ||
) |
Generates a flat, infinitely thin, colored-in circular object.
- Parameters
-
key - key to a circle object. center - An x-y-z triplet for the coordinates of one of three on the circumference of the circle. (A simple array of three elements may also be used in most languages.) Passed by reference always. radius - Length of the radius of the circle. vector - Vector that is perpendicular to the plane of the circle.
DETAILS
Edit_Circle_By_Radius() lets you modify a circle as it sits in the database. You don't have to delete and reinsert it from scratch.
NOTES
HOOPS uses a more compact structure to store a 2d circles (a circle with z=0 for start, middle and end). If and when such 2d circles are edited, all z values passed in for the start, middle and end points must be 0. In other words, if you need to make a 2d circle into a 3d circle, you have to delete and reinsert.