int
pcl::EnsensoGrabber::enumDevices () const
{
int camera_count = 0;
try
{
NxLibItem cams = NxLibItem ("/Cameras/BySerialNo");
camera_count = cams.count ();
// Print information for all cameras in the tree
PCL_INFO ("Number of connected cameras: %d\n", camera_count);
PCL_INFO ("Serial No Model Status\n");
for (int n = 0; n < cams.count (); ++n)
{
PCL_INFO ("%s %s %s\n", cams[n][itmSerialNumber].asString ().c_str (),
cams[n][itmModelName].asString ().c_str (),
cams[n][itmStatus].asString ().c_str ());
}
PCL_INFO ("\n");
}
catch (NxLibException &ex)
{
ensensoExceptionHandling (ex, "enumDevices");
}
return (camera_count);
}
void get_en_image(pcl::PointCloud<pcl::PointXYZ> &cloud)
{
char flag = 'g';
int i = 0;
while(flag != 'q')
{
ostringstream conv;
conv << i;
cout<<"Capturing new calibration image from the ensenso stereo vision camera."<<endl;
///Read the Ensenso stereo cameras:
try {
// Initialize NxLib and enumerate cameras
nxLibInitialize(true);
// Reference to the first camera in the node BySerialNo
NxLibItem root;
NxLibItem camera = root[itmCameras][itmBySerialNo][0];
// Open the Ensenso
NxLibCommand open(cmdOpen);
open.parameters()[itmCameras] = camera[itmSerialNumber].asString();
open.execute();
// Capture an image
NxLibCommand (cmdCapture).execute();
// Stereo matching task
NxLibCommand (cmdComputeDisparityMap).execute ();
// Convert disparity map into XYZ data for each pixel
NxLibCommand (cmdComputePointMap).execute ();
// Get info about the computed point map and copy it into a std::vector
double timestamp;
std::vector<float> pointMap;
int width, height;
camera[itmImages][itmRaw][itmLeft].getBinaryDataInfo (0, 0, 0, 0, 0, ×tamp); // Get raw image timestamp
camera[itmImages][itmPointMap].getBinaryDataInfo (&width, &height, 0, 0, 0, 0);
camera[itmImages][itmPointMap].getBinaryData (pointMap, 0);
// Copy point cloud and convert in meters
//cloud.header.stamp = getPCLStamp (timestamp);
cloud.resize (height * width);
cloud.width = width;
cloud.height = height;
cloud.is_dense = false;
// Copy data in point cloud (and convert milimeters in meters)
for (size_t i = 0; i < pointMap.size (); i += 3)
{
cloud.points[i / 3].x = pointMap[i] / 1000.0;
cloud.points[i / 3].y = pointMap[i + 1] / 1000.0;
cloud.points[i / 3].z = pointMap[i + 2] / 1000.0;
}
NxLibCommand (cmdRectifyImages).execute();
// Save images
NxLibCommand saveImage(cmdSaveImage);
// raw left
saveImage.parameters()[itmNode] = camera[itmImages][itmRaw][itmLeft].path;
saveImage.parameters()[itmFilename] = "calib_en/raw_left" + conv.str()+".png";
saveImage.execute();
// raw right
/*saveImage.parameters()[itmNode] = camera[itmImages][itmRaw][itmRight].path;
saveImage.parameters()[itmFilename] = "calib_en/raw_right.png";
saveImage.execute();
// rectified left
saveImage.parameters()[itmNode] = camera[itmImages][itmRectified][itmLeft].path;
saveImage.parameters()[itmFilename] = "calib_en/rectified_left.png";
saveImage.execute();
// rectified right
saveImage.parameters()[itmNode] = camera[itmImages][itmRectified][itmRight].path;
saveImage.parameters()[itmFilename] = "calib_en/rectified_right.png";
saveImage.execute();*/
} catch (NxLibException& e) { // Display NxLib API exceptions, if any
printf("An NxLib API error with code %d (%s) occurred while accessing item %s.\n", e.getErrorCode(), e.getErrorText().c_str(), e.getItemPath().c_str());
if (e.getErrorCode() == NxLibExecutionFailed) printf("/Execute:\n%s\n", NxLibItem(itmExecute).asJson(true).c_str());
}
/*catch (NxLibException &ex)
{
ensensoExceptionHandling (ex, "grabSingleCloud");
}*/
catch (...) { // Display other exceptions
printf("Something, somewhere went terribly wrong!\n");
}
/*cout<<"Plug in the RGB camera and press any key to continue."<<endl;
cin.ignore();
cin.get();*/
cout<<"Capturing new calibration image from the ensenso RGB camera."<<endl;
///Read the IDS RGB Camera attached to the Ensenso stereo camera
HIDS hCam = 0;
printf("Success-Code: %d\n",IS_SUCCESS);
//Kamera öffnen
INT nRet = is_InitCamera (&hCam, NULL);
printf("Status Init %d\n",nRet);
//Pixel-Clock setzen
UINT nPixelClockDefault = 9;
nRet = is_PixelClock(hCam, IS_PIXELCLOCK_CMD_SET,
(void*)&nPixelClockDefault,
sizeof(nPixelClockDefault));
printf("Status is_PixelClock %d\n",nRet);
//Farbmodus der Kamera setzen
//INT colorMode = IS_CM_CBYCRY_PACKED;
INT colorMode = IS_CM_BGR8_PACKED;
nRet = is_SetColorMode(hCam,colorMode);
printf("Status SetColorMode %d\n",nRet);
UINT formatID = 4;
//Bildgröße einstellen -> 2592x1944
nRet = is_ImageFormat(hCam, IMGFRMT_CMD_SET_FORMAT, &formatID, 4);
printf("Status ImageFormat %d\n",nRet);
//Speicher für Bild alloziieren
char* pMem = NULL;
int memID = 0;
nRet = is_AllocImageMem(hCam, 1280, 1024, 24, &pMem, &memID);
printf("Status AllocImage %d\n",nRet);
//diesen Speicher aktiv setzen
nRet = is_SetImageMem(hCam, pMem, memID);
printf("Status SetImageMem %d\n",nRet);
//Bilder im Kameraspeicher belassen
INT displayMode = IS_SET_DM_DIB;
nRet = is_SetDisplayMode (hCam, displayMode);
printf("Status displayMode %d\n",nRet);
//Bild aufnehmen
nRet = is_FreezeVideo(hCam, IS_WAIT);
printf("Status is_FreezeVideo %d\n",nRet);
//Bild aus dem Speicher auslesen und als Datei speichern
String path = "./calib_en/snap_BGR"+conv.str()+".png";
std::wstring widepath;
for(int i = 0; i < path.length(); ++i)
widepath += wchar_t (path[i] );
IMAGE_FILE_PARAMS ImageFileParams;
ImageFileParams.pwchFileName = &widepath[0];
ImageFileParams.pnImageID = NULL;
ImageFileParams.ppcImageMem = NULL;
ImageFileParams.nQuality = 0;
ImageFileParams.nFileType = IS_IMG_PNG;
nRet = is_ImageFile(hCam, IS_IMAGE_FILE_CMD_SAVE, (void*) &ImageFileParams, sizeof(ImageFileParams));
printf("Status is_ImageFile %d\n",nRet);
//Kamera wieder freigeben
is_ExitCamera(hCam);
cout<<"To quit capturing calibration images, choose q. Else, choose any other letter."<<endl;
cin >> flag;
i++;
}
}
