本文整理汇总了C++中WindowProjection::GetScreenAngleRotation方法的典型用法代码示例。如果您正苦于以下问题：C++ WindowProjection::GetScreenAngleRotation方法的具体用法？C++ WindowProjection::GetScreenAngleRotation怎么用？C++ WindowProjection::GetScreenAngleRotation使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WindowProjection的用法示例。
在下文中一共展示了WindowProjection::GetScreenAngleRotation方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SetSize
void
HeightMatrix::Fill(const RasterMap &map, const WindowProjection &projection,
unsigned quantisation_pixels, bool interpolate)
{
const unsigned screen_width = projection.GetScreenWidth();
const unsigned screen_height = projection.GetScreenHeight();
SetSize((screen_width + quantisation_pixels - 1) / quantisation_pixels,
(screen_height + quantisation_pixels - 1) / quantisation_pixels);
minimum = 0x7fff;
maximum = 0;
for (unsigned y = 0; y < screen_height; y += quantisation_pixels) {
const FastRowRotation rotation =
projection.GetScreenAngleRotation(y - projection.GetScreenOrigin().y);
short *p = data.begin() + y * width / quantisation_pixels;
for (unsigned x = 0; x < screen_width; x += quantisation_pixels) {
#ifndef SLOW_TERRAIN_STUFF
const FastRowRotation::Pair r =
rotation.Rotate(x - projection.GetScreenOrigin().x);
GeoPoint gp;
gp.Latitude = projection.GetGeoLocation().Latitude
- projection.PixelsToAngle(r.second);
gp.Longitude = projection.GetGeoLocation().Longitude
+ projection.PixelsToAngle(r.first)
* gp.Latitude.invfastcosine();
#else
GeoPoint gp = projection.ScreenToGeo(x, y);
#endif
short h = interpolate ? map.GetFieldInterpolated(gp) : map.GetField(gp);
if (!RasterBuffer::is_special(h)) {
if (h < minimum)
minimum = h;
if (h > maximum)
maximum = h;
}
*p++ = h;
}
assert(p <= data.end());
}
}