private void CMB_camera_SelectedIndexChanged(object sender, EventArgs e)
{
if (cameras.ContainsKey(CMB_camera.Text))
{
camerainfo camera = cameras[CMB_camera.Text];
NUM_focallength.Value = (decimal)camera.focallen;
TXT_imgheight.Text = camera.imageheight.ToString();
TXT_imgwidth.Text = camera.imagewidth.ToString();
TXT_sensheight.Text = camera.sensorheight.ToString();
TXT_senswidth.Text = camera.sensorwidth.ToString();
//NUM_Distance.Enabled = false;
}
GMapMarkerOverlap.Clear();
domainUpDown1_ValueChanged(null, null);
}