Mercator
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Helper to clip points to a given range. More...
Public Member Functions | |
BottomClip (double t) | |
bool | inside (const Point2 &p) const |
Check a point is outside this clip. | |
Point2 | clip (const Point2 &u, const Point2 &v) const |
Determine the point where a line crosses this clip. | |
Private Attributes | |
double | bottomY |
Bottom of y range. |
Helper to clip points to a given range.
Mercator::BottomClip::BottomClip | ( | double | t | ) | [inline] |
Constructor
t | bottom of y range |
Point2 Mercator::BottomClip::clip | ( | const Point2 & | u, |
const Point2 & | v | ||
) | const [inline] |
Determine the point where a line crosses this clip.
u | one of of a line that crosses this clip |
v | one of of a line that crosses this clip |
References bottomY.
bool Mercator::BottomClip::inside | ( | const Point2 & | p | ) | const [inline] |
Check a point is outside this clip.
p | point to be checked. |
References bottomY.