//jumpFrame: 一次跳躍資料數
public static void drawGL_FrameData_Triangle(SharpGL.OpenGL gl_object, FrameData_LJV7 frame, int jumpFrame)
{
gl_object.Clear(OpenGL.COLOR_BUFFER_BIT | OpenGL.DEPTH_BUFFER_BIT);
//可以不用每次都旋轉，可以滑鼠動作時變更即可
//不影響效能
gl_object.LoadIdentity();
gl_object.Translate(_LX, _LY, _LZ);
gl_object.Rotate(_RoX, 0.0, 1.0, 0.0);
gl_object.Rotate(_RoY, 1.0, 0.0, 0.0);
gl_object.Rotate(_RoZ, 0.0, 0.0, 1.0);
double x = 0, y = 0;
double centerx = frame.size_per_frame / 2;
double centery = frame.LJVcount / 2;
double diff = frame.Max_Buffer_Compute - frame.Min_Buffer_Compute;
double r = 0, g = 0, b = 0;
double Color_H = 0.0;
for (int j = 0; j < frame.LJVcount - jumpFrame; j += jumpFrame)
{
gl_object.Begin(OpenGL.TRIANGLE_STRIP);
for (int i = 0; i < frame.size_per_frame - jumpFrame; i += jumpFrame)
{
int pos = Convert.ToInt32(i * frame.LJVcount + j);
if (frame.buffer_compute[pos] == -999 || frame.buffer_compute[pos + jumpFrame] == -999)
{
gl_object.End();
gl_object.Begin(OpenGL.TRIANGLE_STRIP);
continue;
}
Color_H = (frame.buffer_compute[pos] - frame.Min_Buffer_Compute) / diff;
Color_H = Color_H * (MaxColorH - MinColorH) + MinColorH;
HsvToRgb(Color_H, 1.0, 1.0, out r, out g, out b);
gl_object.Color(r, g, b);
x = (Convert.ToDouble(i) - centerx) / Convert.ToDouble(100);
y = -(Convert.ToDouble(j) - centery) / Convert.ToDouble(100);
gl_object.Vertex(x, y, frame.buffer_compute[pos]);
Color_H = (frame.buffer_compute[pos + jumpFrame] - frame.Min_Buffer_Compute) / diff;
Color_H = Color_H * (MaxColorH - MinColorH) + MinColorH;
HsvToRgb(Color_H, 1.0, 1.0, out r, out g, out b);
gl_object.Color(r, g, b);
x = (Convert.ToDouble(i) - centerx) / Convert.ToDouble(100);
y = -(Convert.ToDouble(j + jumpFrame) - centery) / Convert.ToDouble(100);
gl_object.Vertex(x, y, frame.buffer_compute[pos + jumpFrame]);
}
gl_object.End();
}
//drawAxis(gl_object);
gl_object.Flush();
return;
}
//繪製原始資料3D
//以面繪製
public static void drawGL_FrameData_Triangle(SharpGL.OpenGL gl_object, FrameData_LJV7 frame)
{
drawGL_FrameData_Triangle(gl_object, frame, 4);
return;
}
