资 源 简 介
procedure TfrmMain.DrawSatInfo(gps: TGPSInfo; pbx: TPaintBox);
var
i: integer;
r: integer;
dx,dy: integer;
begin
r := pbx.Width div 2;
for i:= 1 to 12 do begin
if gps.SatInfo[i].PRN <> 0 then begin
dx := r + Round(r*(90-gps.SatInfo[i].EL)*sin((gps.SatInfo[i].AZ - 90)*Pi/180)/90);
dy := r + Round(r*(90-gps.SatInfo[i].EL)*cos((gps.SatInfo[i].AZ - 90)*Pi/180)/90);
dx := dx - 8;
if dx < 0 then dx := 0;
if gps.SatInfo[i].SN > 20 then begin
pbx.Canvas.Font.Color := clBlue;
pbx.Canvas.TextOut(dx,dy,inttostr(gps.SatInfo[i].PRN));
end else begin
