
GeoB
ASIC
Reference Manual
5.Standard Functions
TPS1100-Version 1.30
5-49
5.6.14 GM_CalcIntersectionLineCircle
Description
Calculation of intersection-point line - circle.
Declaration
GM_CalcIntersectionLineCircle(
Line
AS GM_Line_Type,
Circle
AS GM_Circle_Type,
FirstInters
AS GM_Point_Type,
SecondInters AS GM_Point_Type,
iReturnCode
AS Integer )
Remarks
This function is calculating the intersection-point(s) between one
line and one circle. The line could show a transverse displacement
and can be defined as a result from 2 points, or as result from one
point and azimuth (see predefined type
GM_Line
).
Note
Used formula: see Appendix, Geodesy Math. Formulas.
Parameters
Line
in
Definition of the line.
Circle
in
Definition of the circle.
FirstInters
out
Coordinate and exactness of the 1.
intersect. point.
SecondInters
out
Coordinate and exactness of the 2.
intersect. point.
iReturnCode
out
indicates the number of solutions
GM_NO_
SOLUTION
no intersection
point
GM_ONE_
SOLUTION
exactly one
solution; the
values for
Second-
Inters
are nor
defined
GM_TWO_
SOLUTIONS
two intersection
points
Содержание tps1100
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