void getUserLabelImage(xn::SceneMetaData& sceneMD, cv::Mat& label_image)
{
int rows = sceneMD.GetUnderlying()->pMap->Res.Y;
int cols = sceneMD.GetUnderlying()->pMap->Res.X;
// Data is 16-bit user labels
cv::Mat tempmat(rows, cols, CV_16U);
tempmat.data = (uchar*) sceneMD.GetUnderlying()->pData;
// Convert to 8-bit (we never have more than 8-10 users anyway)
tempmat.convertTo(label_image, CV_8U);
}
void SegmentUser(XnUserID user, cv::Mat *input, const xn::SceneMetaData& smd)
{
const XnLabel* pLabels = smd.Data();
for(int y = 0; y < input->rows; y++) {
unsigned char *row = input->ptr<unsigned char>(y);
for (int x = 0; x < input->cols; x++) {
XnLabel label = *pLabels++;
if (label != user) {
*row++ = 0;
*row++ = 0;
*row++ = 0;
} else {
row+=3;
}
}
}
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
static bool bInitialized = false;
static GLuint depthTexID;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
if(!bInitialized)
{
texWidth = getClosestPowerOfTwo(dmd.XRes());
texHeight = getClosestPowerOfTwo(dmd.YRes());
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;
// printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
memset(texcoords, 0, 8*sizeof(float));
texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
// Calculate the accumulative histogram
memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
g_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
}
}
pDepth = dmd.Data();
if (g_bDrawPixels)
{
XnUInt32 nIndex = 0;
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++, nIndex++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (g_bDrawBackground || *pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
{
nColorID = nColors;
}
if (nValue != 0)
{
nHistValue = g_pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (texWidth - g_nXRes) *3;
}
}
else
{
xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);
// Display the OpenGL texture map
glColor4f(0.75,0.75,0.75,1);
glEnable(GL_TEXTURE_2D);
DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
glDisable(GL_TEXTURE_2D);
char strLabel[50] = "";
XnUserID aUsers[15];
XnUInt16 nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
for (int i = 0; i < nUsers; ++i)
{
if (g_bPrintID)
{
XnPoint3D com;
g_UserGenerator.GetCoM(aUsers[i], com);
g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);
xnOSMemSet(strLabel, 0, sizeof(strLabel));
if (!g_bPrintState)
{
// Tracking
sprintf(strLabel, "%d", aUsers[i]);
}
else if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
// Tracking
sprintf(strLabel, "%d - Tracking", aUsers[i]);
}
else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
{
// Calibrating
sprintf(strLabel, "%d - Calibrating [%s]", aUsers[i], GetCalibrationErrorString(m_Errors[aUsers[i]].first));
}
else
{
// Nothing
sprintf(strLabel, "%d - Looking for pose [%s]", aUsers[i], GetPoseErrorString(m_Errors[aUsers[i]].second));
}
glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);
glRasterPos2i(com.X, com.Y);
glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
}
//Draw skeleton
if (g_bDrawSkeleton && g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
glBegin(GL_LINES);
glColor4f(1-Colors[aUsers[i]%nColors][0], 1-Colors[aUsers[i]%nColors][1], 1-Colors[aUsers[i]%nColors][2], 1);
DrawLimb(aUsers[i], XN_SKEL_HEAD, XN_SKEL_NECK);
DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);
DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);
DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
DrawLimb(aUsers[i], XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);
DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_RIGHT_HIP);
glEnd();
}
}
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd, XnUserID player)
{
static bool bInitialized = false;
static GLuint depthTexID;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
if(!bInitialized)
{
texWidth = getClosestPowerOfTwo(dmd.XRes());
texHeight = getClosestPowerOfTwo(dmd.YRes());
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;
// printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
memset(texcoords, 0, 8*sizeof(float));
texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
// Calculate the accumulative histogram
memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
g_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
}
}
pDepth = dmd.Data();
{
XnUInt32 nIndex = 0;
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++, nIndex++)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
{
nColorID = nColors;
}
if (nValue != 0)
{
nHistValue = g_pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
}
else
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (texWidth - g_nXRes) *3;
}
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);
// Display the OpenGL texture map
glColor4f(0.75,0.75,0.75,1);
glEnable(GL_TEXTURE_2D);
DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
glDisable(GL_TEXTURE_2D);
char strLabel[20] = "";
XnUserID aUsers[15];
XnUInt16 nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
for (int i = 0; i < nUsers; ++i)
{
XnPoint3D com;
g_UserGenerator.GetCoM(aUsers[i], com);
g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);
if (aUsers[i] == player)
sprintf(strLabel, "%d (Player)", aUsers[i]);
else
sprintf(strLabel, "%d", aUsers[i]);
glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);
glRasterPos2i(com.X, com.Y);
glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
}
// Draw skeleton of user
if (player != 0)
{
glBegin(GL_LINES);
glColor4f(1-Colors[player%nColors][0], 1-Colors[player%nColors][1], 1-Colors[player%nColors][2], 1);
// gesture
static int gesture = 0;
static XnPoint3D previousLeftHandPt;
XnPoint3D newLeftHandPt;
newLeftHandPt = getJointPoint(player, XN_SKEL_LEFT_HAND);
if(previousLeftHandPt.X > 0 && previousLeftHandPt.X < 640)
if(previousLeftHandPt.X - newLeftHandPt.X > 60)
gesture = 1;
else if(previousLeftHandPt.X - newLeftHandPt.X < -60)
gesture = 2;
else if(previousLeftHandPt.Y - newLeftHandPt.Y > 60)
gesture = 3;
else if(previousLeftHandPt.Y - newLeftHandPt.Y < -60)
gesture = 4;
else
gesture = 0;
if(gesture != 0)
printf("gesture: %d\n", gesture);
previousLeftHandPt = newLeftHandPt;
// head
XnPoint3D pt = getJointPoint(player, XN_SKEL_HEAD);
// save
saveLocation(pt, newLeftHandPt, gesture);
DrawLimb(player, XN_SKEL_HEAD, XN_SKEL_NECK);
DrawLimb(player, XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
DrawLimb(player, XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
DrawLimb(player, XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);
DrawLimb(player, XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
DrawLimb(player, XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
DrawLimb(player, XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);
DrawLimb(player, XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(player, XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(player, XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
DrawLimb(player, XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
DrawLimb(player, XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);
DrawLimb(player, XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
DrawLimb(player, XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
DrawLimb(player, XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);
glEnd();
}
}
void SceneDrawer::updateScene(const xn::DepthMetaData &dmd,
const xn::SceneMetaData &smd)
{
if (!initialized)
init(dmd.XRes(), dmd.YRes(), dmd.ZRes());
unsigned int val = 0, numOfPoints = 0;
unsigned int xRes = dmd.XRes(), yRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
// calculate the accumulative depth histogram
memset(pDepthHist, 0, zRes*sizeof(float));
int numOfIterations = xRes * yRes;
for (int i = 0; i < numOfIterations; ++i, ++pDepth){
val = *pDepth;
if (val != 0){
pDepthHist[val]++;
numOfPoints++;
}
}
for (int i = 1; i < zRes; ++i)
pDepthHist[i] += pDepthHist[i-1];
if (numOfPoints > 0){
for (int i = 0; i < zRes; ++i)
pDepthHist[i] = floor(256.0f*(1.0f-pDepthHist[i]/(float)numOfPoints));
}
// turn depth map to a colored texture image
pDepth = dmd.Data();
XnUInt32 ci;
XnLabel label;
unsigned int histVal;
for (int i = 0; i < numOfIterations;
++i, ++pDepth, ++pLabels, pDestImage += 3){
val = *pDepth;
label = *pLabels;
if (label != 0)
ci = label % nColors;
else
ci = nColors;
if (val != 0){
histVal = pDepthHist[val];
pDestImage[0] = histVal * colors[ci][0];
pDestImage[1] = histVal * colors[ci][1];
pDestImage[2] = histVal * colors[ci][2];
}
else
pDestImage[0] = pDestImage[1] = pDestImage[2] = 0;
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB,
GL_UNSIGNED_BYTE, pDepthTexBuf);
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd, ros::Publisher pub_body, edwin::SceneAnalysis scene, edwin::People person)
{
static bool bInitialized = false;
static GLuint depthTexID;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
if(!bInitialized)
{
texWidth = getClosestPowerOfTwo(dmd.XRes());
texHeight = getClosestPowerOfTwo(dmd.YRes());
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;
// printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
memset(texcoords, 0, 8*sizeof(float));
texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
// Calculate the accumulative histogram
memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
g_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
}
}
XnPoint3D coms[20];
XnUInt32 labels[20] = {0};
for (int i = 0; i < 20; ++i)
{
coms[i] = xnCreatePoint3D(0,0,0);
}
pDepth = dmd.Data();
{
XnUInt32 nIndex = 0;
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++, nIndex++)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
{
nColorID = nColors;
}
if (nValue != 0)
{
nHistValue = g_pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
if (label < 20 && label > 0)
{
coms[label].X += nX;
coms[label].Y += nY;
coms[label].Z += *pDepth;
labels[label]++;
}
}
else
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (texWidth - g_nXRes) *3;
}
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);
// Display the OpenGL texture map
glColor4f(0.75,0.75,0.75,1);
glEnable(GL_TEXTURE_2D);
DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
glDisable(GL_TEXTURE_2D);
char strLabel[3] = "";
//Initialize the scene array
// scene.crowd = [];
for (int i = 0; i < 20; ++i)
{
if (labels[i] == 0)
continue;
coms[i].X /= labels[i];
coms[i].Y /= labels[i];
coms[i].Z /= labels[i];
sprintf(strLabel, "%d", i);
glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);
glRasterPos2i(coms[i].X, coms[i].Y);
// glRasterPos2i(320, 240); //testing for midpoint of Kinect
person.ID = i;
person.xpos = coms[i].X;
person.ypos = coms[i].Y;
person.zpos = coms[i].Z;
scene.crowd[i] = person;
glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
}
pub_body.publish(scene);
for(int i = 0; i < 20; ++i)
{
scene.crowd[i].ID = 0;
}
}
void PublishPeopleImage(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd, image_transport::Publisher& pub)
{
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
unsigned int nValue = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
cv::Mat peopleSegmentation(g_nYRes, g_nXRes, CV_8UC3);
// Prepare the texture map
for (unsigned int nY=0; nY<g_nYRes; nY++)
{
uchar* pDestImage = peopleSegmentation.ptr(nY);
for (unsigned int nX=0; nX < g_nXRes; nX++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (*pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (nValue != 0)
{
pDestImage[0] = 255 * Colors[nColorID][0];
pDestImage[1] = 255 * Colors[nColorID][1];
pDestImage[2] = 255 * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
}
// todo: stop and start with respect to odometry: segmentation works best if robot is standing still
// publish
try
{
IplImage img = (IplImage)peopleSegmentation;
sensor_msgs::ImagePtr msg = (sensor_msgs::CvBridge::cvToImgMsg(&img, "bgr8"));
msg->header.stamp = ros::Time::now();
pub.publish(msg);
}
catch (sensor_msgs::CvBridgeException error)
{
ROS_ERROR("[openni_tracker] Could not convert IplImage to ROS message");
}
// cv_bridge::CvImage bridgeImage; did not work
// bridgeImage.image = peopleSegmentation.clone();
// sensor_msgs::ImagePtr msg = bridgeImage.toImageMsg();
// pub.publish(msg);
// display for checking the output
// cv::namedWindow("Test");
// imshow("Test", peopleSegmentation);
// uchar key = cv::waitKey(10);
// if (key == 'r')
// {
// g_UserGenerator.StopGenerating();
// std::cout << "stop\n";
// }
// if (key == 'c')
// {
// g_UserGenerator.StartGenerating();
// std::cout << "start\n";
// }
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
static bool bInitialized = false;
static GLuint depthTexID;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
/*
if not initialized
set parameters and reserve memory space
*/
if(!bInitialized)
{
texWidth = getClosestPowerOfTwo(dmd.XRes());
texHeight = getClosestPowerOfTwo(dmd.YRes());
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;
// printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
memset(texcoords, 0, 8*sizeof(float));
texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
// get the depth resolution
static unsigned int nZRes = dmd.ZRes();
static float* pDepthHist = (float*)malloc(nZRes* sizeof(float));
// Calculate the accumulative histogram
memset(pDepthHist, 0, nZRes*sizeof(float));
// count the number of pixels of every possible depth value
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<nZRes; nIndex++)
{
pDepthHist[nIndex] += pDepthHist[nIndex-1];
}
// calculate percentage for every depth value
// the larger the value is, the darker the pixel should be
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<nZRes; nIndex++)
{
pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (pDepthHist[nIndex] / nNumberOfPoints)));
}
}
pDepth = dmd.Data();
if (g_bDrawPixels)
{
XnUInt32 nIndex = 0;
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++, nIndex++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (g_bDrawBackground || *pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
{
nColorID = nColors;
}
if (nValue != 0)
{
nHistValue = pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (texWidth - g_nXRes) *3;
}
}
else
{
xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);
// Display the OpenGL texture map
glColor4f(0.75,0.75,0.75,1);
glEnable(GL_TEXTURE_2D);
DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
glDisable(GL_TEXTURE_2D);
char strLabel[50] = "";
XnUserID aUsers[15];
XnUInt16 nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
for (int i = 0; i < nUsers; ++i)
{
#ifndef USE_GLES
if (g_bPrintID)
{
XnPoint3D com;
g_UserGenerator.GetCoM(aUsers[i], com);
g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);
XnUInt32 nDummy = 0;
xnOSMemSet(strLabel, 0, sizeof(strLabel));
if (!g_bPrintState)
{
// Tracking
xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d", aUsers[i]);
}
else if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
// Tracking
xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d - Tracking", aUsers[i]);
}
else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
{
// Calibrating
xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d - Calibrating [%s]", aUsers[i], GetCalibrationErrorString(m_Errors[aUsers[i]].first));
}
else
{
// Nothing
xnOSStrFormat(strLabel, sizeof(strLabel), &nDummy, "%d - Looking for pose [%s]", aUsers[i], GetPoseErrorString(m_Errors[aUsers[i]].second));
}
glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);
glRasterPos2i(com.X, com.Y);
glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
}
#endif
if (g_bDrawSkeleton && g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
glColor4f(1-Colors[aUsers[i]%nColors][0], 1-Colors[aUsers[i]%nColors][1], 1-Colors[aUsers[i]%nColors][2], 1);
// Draw Joints
if (g_bMarkJoints)
{
// Try to draw all joints
DrawJoint(aUsers[i], XN_SKEL_HEAD);
DrawJoint(aUsers[i], XN_SKEL_NECK);
DrawJoint(aUsers[i], XN_SKEL_TORSO);
DrawJoint(aUsers[i], XN_SKEL_WAIST);
DrawJoint(aUsers[i], XN_SKEL_LEFT_COLLAR);
DrawJoint(aUsers[i], XN_SKEL_LEFT_SHOULDER);
DrawJoint(aUsers[i], XN_SKEL_LEFT_ELBOW);
DrawJoint(aUsers[i], XN_SKEL_LEFT_WRIST);
DrawJoint(aUsers[i], XN_SKEL_LEFT_HAND);
DrawJoint(aUsers[i], XN_SKEL_LEFT_FINGERTIP);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_COLLAR);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_SHOULDER);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_ELBOW);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_WRIST);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_HAND);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_FINGERTIP);
DrawJoint(aUsers[i], XN_SKEL_LEFT_HIP);
DrawJoint(aUsers[i], XN_SKEL_LEFT_KNEE);
DrawJoint(aUsers[i], XN_SKEL_LEFT_ANKLE);
DrawJoint(aUsers[i], XN_SKEL_LEFT_FOOT);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_HIP);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_KNEE);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_ANKLE);
DrawJoint(aUsers[i], XN_SKEL_RIGHT_FOOT);
}
#ifndef USE_GLES
glBegin(GL_LINES);
#endif
// Draw Limbs
DrawLimb(aUsers[i], XN_SKEL_HEAD, XN_SKEL_NECK);
DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
if (!DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_WRIST))
{
DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);
}
else
{
DrawLimb(aUsers[i], XN_SKEL_LEFT_WRIST, XN_SKEL_LEFT_HAND);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HAND, XN_SKEL_LEFT_FINGERTIP);
}
DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
if (!DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_WRIST))
{
DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);
}
else
{
DrawLimb(aUsers[i], XN_SKEL_RIGHT_WRIST, XN_SKEL_RIGHT_HAND);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_HAND, XN_SKEL_RIGHT_FINGERTIP);
}
DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
DrawLimb(aUsers[i], XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);
DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_RIGHT_HIP);
#ifndef USE_GLES
glEnd();
#endif
}
}
if (g_bPrintFrameID)
{
static XnChar strFrameID[80];
xnOSMemSet(strFrameID, 0, 80);
XnUInt32 nDummy = 0;
xnOSStrFormat(strFrameID, sizeof(strFrameID), &nDummy, "%d", dmd.FrameID());
glColor4f(1, 0, 0, 1);
glRasterPos2i(10, 10);
glPrintString(GLUT_BITMAP_HELVETICA_18, strFrameID);
}
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd, XnUserID player, xn::ImageMetaData& imd)
{
texWidth = 640;
texHeight = 480;
LEFT = 0; RIGHT = 640;
TOP = 0; BOTTOM = 480;
nValue = 0;
nIndex = 0;
nX = 0; nY = 0;
nNumberOfPoints = 0;
g_nXRes = dmd.XRes();
g_nYRes = dmd.YRes();
pDestImage = pDepthTexBuf;
pDepth = dmd.Data();
pixel = imd.RGB24Data();
pLabels = smd.Data();
// Calculate the accumulative histogram
memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
g_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
}
}
// printf("Debug: %i\n",focus);
pDepth = (short unsigned int*)dmd.Data();
///{
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++)
{
nValue = *pDepth;
if(nX == (int)centerScreen[0] && nY == (int)centerScreen[1]){
if (calibrationMode){
depthVal = nValue;
// printf("depthVal: %i\n",depthVal);
}
}
//printf("Depth: %i \n",nValue);
label = *pLabels;
// XnUInt32 nColorID = label % nColors;
if (label != focus)
{
if(calibrationMode){
pDestImage[0] = pixel->nRed;
pDestImage[1] = pixel->nGreen;
pDestImage[2] = pixel->nBlue;
pDestImage[3] = 255;
} else {
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
pDestImage[3] = 0;
}
} else {
pDestImage[0] = pixel->nRed;
pDestImage[1] = pixel->nGreen;
pDestImage[2] = pixel->nBlue;
pDestImage[3] = 255;
//find max/min values for width and height boundaries
if (nX > (unsigned int)LEFT) {
LEFT = nX;
}
if (nX < (unsigned int)RIGHT) {
RIGHT = nX;
}
if (nY > (unsigned int)TOP) {
TOP = nY;
}
if (nY < (unsigned int)BOTTOM) {
BOTTOM = nY;
}
}
pixel++;
pDepth++;
pLabels++;
pDestImage+=4;
}
pDestImage += (texWidth - g_nXRes) *4;
}
//}*/
// Display the OpenGL texture map
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texWidth, texHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, pDepthTexBuf);
nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
g_UserGenerator.GetCoM(aUsers[0], com);
CENTER = com.X;
//glDisable(GL_BLEND);
//glDisable(GL_TEXTURE_2D);
/*
char strLabel[20] = "";
XnUserID aUsers[15];
XnUInt16 nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
for (int i = 0; i < nUsers; ++i)
{
XnPoint3D com;
g_UserGenerator.GetCoM(aUsers[i], com);
g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);
if (aUsers[i] == player)
sprintf(strLabel, "%d (Player)", aUsers[i]);
else
sprintf(strLabel, "%d", aUsers[i]);
//glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);
glRasterPos2i(com.X, com.Y);
glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel); */
// }
// Draw skeleton of user
// glBegin(GL_LINES);
// //glColor4f(1,0,0,1.0f);
// glVertex3f(-1, 1, 0);
// glVertex3f(1, -1, 0);
// //glColor4f(1-Colors[player%nColors][0], 1-Colors[player%nColors][1], 1-Colors[player%nColors][2], 1);
// DrawLimb(1, XN_SKEL_HEAD, XN_SKEL_NECK);
//
// DrawLimb(1, XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
// DrawLimb(1, XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
// DrawLimb(1, XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);
//
// DrawLimb(1, XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
// DrawLimb(1, XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
// DrawLimb(1, XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);
//
// DrawLimb(1, XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
// DrawLimb(1, XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);
//
// DrawLimb(1, XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
// DrawLimb(1, XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
// DrawLimb(1, XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);
//
// DrawLimb(1, XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
// DrawLimb(1, XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
// DrawLimb(1, XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);
// glEnd();
//XnSkeletonJoint eJoint1 = XN_SKEL_RIGHT_HAND;
}
void DepthMapLogger::DumpDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
static char name_str[20], comment_str[255];
// Don't do anything if the h5 file is not open
if(!p_h5_file_ || !p_frames_group_) { return; }
// References to various bits of the HDF5 output
H5File &file(*p_h5_file_);
Group &frames_group(*p_frames_group_);
// This frame's index is the number of frames we've previously saved
hsize_t this_frame_idx = frames_group.getNumObjs();
// Create this frame's group
snprintf(name_str, 20, "frame_%06lld", this_frame_idx);
snprintf(comment_str, 255, "Data for frame %lld", this_frame_idx);
Group this_frame_group(frames_group.createGroup(name_str));
this_frame_group.setComment(".", comment_str);
// Create attributes for this group
Attribute idx_attr = this_frame_group.createAttribute("idx", PredType::NATIVE_HSIZE, DataSpace());
idx_attr.write(PredType::NATIVE_HSIZE, &this_frame_idx);
// Create this frame's datasets
DSetCreatPropList creat_props;
uint16_t fill_value(0);
creat_props.setFillValue(PredType::NATIVE_UINT16, &fill_value);
hsize_t rows(static_cast<hsize_t>(dmd.YRes())), cols(static_cast<hsize_t>(dmd.XRes()));
hsize_t creation_dims[2] = { rows, cols };
hsize_t max_dims[2] = { rows, cols };
DataSpace mem_space(2, creation_dims, max_dims);
DataSet depth_ds(this_frame_group.createDataSet(
"depth", PredType::NATIVE_UINT16, mem_space, creat_props));
DataSet label_ds(this_frame_group.createDataSet(
"label", PredType::NATIVE_UINT16, mem_space, creat_props));
// Get depth and label buffers
const uint16_t *p_depths = dmd.Data();
const uint16_t *p_labels = smd.Data();
// Write depth data
depth_ds.write(p_depths, PredType::NATIVE_UINT16);
// Write label data
label_ds.write(p_labels, PredType::NATIVE_UINT16);
// Convert non-zero depth values into 3D point positions
XnPoint3D *pts = new XnPoint3D[rows*cols];
uint16_t *pt_labels = new uint16_t[rows*cols];
size_t n_pts(0);
for(size_t depth_idx(0); depth_idx < rows*cols; ++depth_idx) {
// Skip zero depth values
if(p_depths[depth_idx] == 0) {
continue;
}
// Store projective-values
pts[n_pts].X = depth_idx % cols;
pts[n_pts].Y = depth_idx / cols;
pts[n_pts].Z = p_depths[depth_idx];
pt_labels[n_pts] = p_labels[depth_idx];
++n_pts;
}
g_DepthGenerator.ConvertProjectiveToRealWorld(n_pts, pts, pts);
if (n_pts > 0)
{
// Create points dataset
hsize_t pts_creation_dims[2] = { n_pts, 3 };
hsize_t pts_max_dims[2] = { n_pts, 3 };
DataSpace pts_mem_space(2, pts_creation_dims, pts_max_dims);
DataSet pts_ds(this_frame_group.createDataSet(
"points", PredType::NATIVE_FLOAT, pts_mem_space, creat_props));
hsize_t pt_labels_creation_dims[1] = { n_pts };
hsize_t pt_labels_max_dims[1] = { n_pts };
DataSpace pt_labels_mem_space(1, pt_labels_creation_dims, pt_labels_max_dims);
DataSet pt_labels_ds(this_frame_group.createDataSet(
"point_labels", PredType::NATIVE_UINT16, pt_labels_mem_space, creat_props));
// Write points data
pts_ds.write(pts, PredType::NATIVE_FLOAT);
pt_labels_ds.write(pt_labels, PredType::NATIVE_UINT16);
}
// Create groups to store detected users
Group users_group(this_frame_group.createGroup("users"));
// Dump each user in turn
char strLabel[50] = "";
XnUserID aUsers[15];
XnUInt16 nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
for (int i = 0; i < nUsers; ++i)
{
// Create a group for this user
snprintf(name_str, 20, "user_%02d", aUsers[i]);
Group this_user_group(users_group.createGroup(name_str));
// Create attributes for this group
Attribute user_idx_attr = this_user_group.createAttribute(
"idx", PredType::NATIVE_UINT16, DataSpace());
uint16_t this_user_idx(aUsers[i]);
user_idx_attr.write(PredType::NATIVE_UINT16, &this_user_idx);
// Write state (if any)
H5std_string strwritebuf;
if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
strwritebuf = "tracking";
}
else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
{
// Calibrating
strwritebuf = "calibrating";
}
else
{
// Nothing
strwritebuf = "looking";
}
StrType strdatatype(PredType::C_S1, strwritebuf.size()); // of length 256 characters
Attribute user_state_attr = this_user_group.createAttribute(
"state", strdatatype, DataSpace());
user_state_attr.write(strdatatype, strwritebuf);
static Joint joints[g_NumJointTypes];
int n_joints_found = 0;
// Try to dump all joints
for(int jt_idx=0; jt_idx < g_NumJointTypes; ++jt_idx)
{
if(DumpJoint(aUsers[i], g_JointTypes[jt_idx], joints[n_joints_found]))
{
++n_joints_found;
}
}
if (n_joints_found > 0)
{
// Create joints dataset
hsize_t joints_dim[] = { n_joints_found };
DataSpace joints_space(1, joints_dim);
DataSet joints_ds(this_user_group.createDataSet("joints", joint_dt_, joints_space));
joints_ds.write(joints, joint_dt_);
}
}
}
void SceneDrawer::depthMapCreating(unsigned char *pDestImage, const xn::DepthMetaData &dmd, const xn::SceneMetaData &smd)
{
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
unsigned int nValue = 0;
static unsigned int nZRes = dmd.ZRes();
static float* pDepthHist = (float*)malloc(nZRes* sizeof(float));
// Calculate the accumulative histogram
memset(pDepthHist, 0, nZRes*sizeof(float));
for (int nY=0; nY<g_nYRes; nY++)
for (int nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
for (int i=1; i<nZRes; i++)
pDepthHist[i] += pDepthHist[i-1];
if (nNumberOfPoints)
for (int i=1; i<nZRes; i++)
pDepthHist[i] = (unsigned int)(256 * (1.0f - (pDepthHist[i] / nNumberOfPoints)));
pDepth = dmd.Data();
// Prepare the texture map
for (int nY=0; nY<g_nYRes; nY++)
{
for (int nX=0; nX < g_nXRes; nX++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (drawBackground || *pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
nColorID = nColors;
if (nValue != 0)
{
pDestImage[0] = pDepthHist[nValue] * Colors[nColorID][0];
pDestImage[1] = pDepthHist[nValue] * Colors[nColorID][1];
pDestImage[2] = pDepthHist[nValue] * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (Width - g_nXRes) *3;
}
}
void SimKinect::DrawDepthMapWithUsers(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
static bool bInitialized = false;
//image used in opencv;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
if(!bInitialized)
{
texWidth = getClosestPowerOfTwo(dmd.XRes());
texHeight = getClosestPowerOfTwo(dmd.YRes());
pDepthTexBuf = (unsigned char*)malloc(dmd.XRes()*dmd.YRes()*3*sizeof(unsigned char));
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 nXRes = dmd.XRes();
XnUInt16 nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
int* p_depth_map = depth_map;
//Calculate the accumulative histogram
memset(pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<nYRes; nY++)
{
for (nX=0; nX<nXRes; nX++)
{
nValue = *pDepth;
*p_depth_map++ = nValue;
if (nValue != 0)
{
pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
pDepthHist[nIndex] += pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (pDepthHist[nIndex] / nNumberOfPoints)));
}
}
pDepth = dmd.Data();
if (bDrawPixels)
{
// Prepare the texture map
for (nY=0; nY<nYRes; nY++)
{
for (nX=0; nX < nXRes; nX++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (bDrawBackground || *pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
{
nColorID = nColors;
}
if (nValue != 0)
{
nHistValue = pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
}
}
else
{
xnOSMemSet(pDepthTexBuf, 0, 3*nXRes*nYRes);
}
//Draw depth image
unsigned char* pix_ptr = pDepthTexBuf;
for ( int i=0 ; i<video_size_height ; i++ ) {
unsigned char* row_pointer = depth_frame+i*video_size_width*3;
for ( int j=0 ; j<video_size_width*3; j+=3 ) {
row_pointer[j] = *pix_ptr++;
row_pointer[j+1]=*pix_ptr++;
row_pointer[j+2]=*pix_ptr++;
}
}
}
void DrawDepthMap(const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd)
{
static bool bInitialized = false;
static GLuint depthTexID;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
if(!bInitialized)
{
texWidth = getClosestPowerOfTwo(dmd.XRes());
texHeight = getClosestPowerOfTwo(dmd.YRes());
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;
// printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
memset(texcoords, 0, 8*sizeof(float));
texcoords[0] = texXpos, texcoords[1] = texYpos, texcoords[2] = texXpos, texcoords[7] = texYpos;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
// Calculate the accumulative histogram
memset(g_pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
g_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] += g_pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
g_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (g_pDepthHist[nIndex] / nNumberOfPoints)));
}
}
pDepth = dmd.Data();
if (g_bDrawPixels)
{
XnUInt32 nIndex = 0;
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++, nIndex++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (g_bDrawBackground || *pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % nColors;
if (label == 0)
{
nColorID = nColors;
}
if (nValue != 0)
{
nHistValue = g_pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (texWidth - g_nXRes) *3;
}
}
else
{
xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);
// Display the OpenGL texture map
glColor4f(0.75,0.75,0.75,1);
glEnable(GL_TEXTURE_2D);
DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
glDisable(GL_TEXTURE_2D);
char strLabel[50] = "";
XnUserID aUsers[15];
XnUInt16 nUsers = 15;
g_UserGenerator.GetUsers(aUsers, nUsers);
for (int i = 0; i < nUsers; ++i)
{
#ifndef USE_GLES
if (g_bPrintID)
{
XnPoint3D com;
g_UserGenerator.GetCoM(aUsers[i], com);
g_DepthGenerator.ConvertRealWorldToProjective(1, &com, &com);
xnOSMemSet(strLabel, 0, sizeof(strLabel));
if (!g_bPrintState)
{
// Tracking
sprintf(strLabel, "%d", aUsers[i]);
}
else if (g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
// Tracking
sprintf(strLabel, "%d - Tracking", aUsers[i]);
}
else if (g_UserGenerator.GetSkeletonCap().IsCalibrating(aUsers[i]))
{
// Calibrating
sprintf(strLabel, "%d - Calibrating [%s]", aUsers[i], GetCalibrationErrorString(m_Errors[aUsers[i]].first));
}
else
{
// Nothing
sprintf(strLabel, "%d - Looking for pose [%s]", aUsers[i], GetPoseErrorString(m_Errors[aUsers[i]].second));
}
glColor4f(1-Colors[i%nColors][0], 1-Colors[i%nColors][1], 1-Colors[i%nColors][2], 1);
glRasterPos2i(com.X, com.Y);
glPrintString(GLUT_BITMAP_HELVETICA_18, strLabel);
}
#endif
if (g_bDrawSkeleton && g_UserGenerator.GetSkeletonCap().IsTracking(aUsers[i]))
{
#ifndef USE_GLES
glBegin(GL_LINES);
#endif
glColor4f(1-Colors[aUsers[i]%nColors][0], 1-Colors[aUsers[i]%nColors][1], 1-Colors[aUsers[i]%nColors][2], 1);
DrawLimb(aUsers[i], XN_SKEL_HEAD, XN_SKEL_NECK);
DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_LEFT_SHOULDER);
DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_LEFT_ELBOW);
DrawLimb(aUsers[i], XN_SKEL_LEFT_ELBOW, XN_SKEL_LEFT_HAND);
DrawLimb(aUsers[i], XN_SKEL_NECK, XN_SKEL_RIGHT_SHOULDER);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_RIGHT_ELBOW);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_ELBOW, XN_SKEL_RIGHT_HAND);
DrawLimb(aUsers[i], XN_SKEL_LEFT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_SHOULDER, XN_SKEL_TORSO);
DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_LEFT_HIP);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_LEFT_KNEE);
DrawLimb(aUsers[i], XN_SKEL_LEFT_KNEE, XN_SKEL_LEFT_FOOT);
DrawLimb(aUsers[i], XN_SKEL_TORSO, XN_SKEL_RIGHT_HIP);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_HIP, XN_SKEL_RIGHT_KNEE);
DrawLimb(aUsers[i], XN_SKEL_RIGHT_KNEE, XN_SKEL_RIGHT_FOOT);
DrawLimb(aUsers[i], XN_SKEL_LEFT_HIP, XN_SKEL_RIGHT_HIP);
//---------------- get skeleton data ----------------------
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_HEAD, head);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_NECK, neck);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_TORSO, torso);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_LEFT_SHOULDER, leftShoulder);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_LEFT_ELBOW, leftElbow);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_LEFT_HAND, leftHand);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_RIGHT_SHOULDER, rightShoulder);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_RIGHT_ELBOW, rightElbow);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_RIGHT_HAND, rightHand);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_LEFT_HIP, leftHip);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_LEFT_KNEE, leftKnee);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_LEFT_FOOT, leftFoot);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_RIGHT_HIP, rightHip);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_RIGHT_KNEE, rightKnee);
g_UserGenerator.GetSkeletonCap().GetSkeletonJointPosition(aUsers[i],
XN_SKEL_RIGHT_FOOT, rightFoot);
//-------------- store frame data in frameData ------------
char headX[30], headY[30], headZ[30], headC[30];
strcpy(frameData, "");
char space[2] = " ";
sprintf(headX, "%f", head.position.X);
sprintf(headY, "%f", head.position.Y);
sprintf(headZ, "%f", head.position.Z);
sprintf(headC, "%f", head.fConfidence);
strcat(frameData, headX);
strcat(frameData, space);
strcat(frameData, headY);
strcat(frameData, space);
strcat(frameData, headZ);
strcat(frameData, space);
strcat(frameData, headC);
strcat(frameData, space);
//std::cout << "Frame data: " << frameData << std::endl;
std::cout << "frameData to be sent: " << frameData << std::endl;
HandleConnection(frameData);
////------- print to console -------
//xnOSGetTimeStamp(&nNow);
//nNow /= 1000;
//std::cout << "-------------time: " << nNow << "---------------\n"
// << "User " << aUsers[i] <<std::endl
// << " Head: " << head.position.X << " "
// << head.position.Y << " " << head.position.Z
// << head.fConfidence << std::endl;
#ifndef USE_GLES
glEnd();
#endif
}
}
}
void Gestures::DrawDepthMap( const xn::DepthMetaData& dmd, const xn::SceneMetaData& smd )
{
static bool bInitialized = false;
static GLuint depthTexID;
static unsigned char* pDepthTexBuf;
static int texWidth, texHeight;
float topLeftX;
float topLeftY;
float bottomRightY;
float bottomRightX;
float texXpos;
float texYpos;
if( !bInitialized )
{
texWidth = getClosestPowerOfTwo( 1280 );
texHeight = getClosestPowerOfTwo( dmd.YRes() );
// printf("Initializing depth texture: width = %d, height = %d\n", texWidth, texHeight);
depthTexID = initTexture((void**)&pDepthTexBuf,texWidth, texHeight) ;
// printf("Initialized depth texture: width = %d, height = %d\n", texWidth, texHeight);
bInitialized = true;
topLeftX = dmd.XRes();
topLeftY = 0;
bottomRightY = dmd.YRes();
bottomRightX = 0;
texXpos =(float)dmd.XRes()/texWidth;
texYpos =(float)dmd.YRes()/texHeight;
memset(m_texcoords, 0, 8*sizeof(float));
m_texcoords[0] = texXpos, m_texcoords[1] = texYpos, m_texcoords[2] = texXpos, m_texcoords[7] = texYpos;
}
unsigned int nValue = 0;
unsigned int nHistValue = 0;
unsigned int nIndex = 0;
unsigned int nX = 0;
unsigned int nY = 0;
unsigned int nNumberOfPoints = 0;
XnUInt16 g_nXRes = dmd.XRes();
XnUInt16 g_nYRes = dmd.YRes();
unsigned char* pDestImage = pDepthTexBuf;
const XnDepthPixel* pDepth = dmd.Data();
const XnLabel* pLabels = smd.Data();
//Calculate the accumulative histogram
memset(m_pDepthHist, 0, MAX_DEPTH*sizeof(float));
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX<g_nXRes; nX++)
{
nValue = *pDepth;
if (nValue != 0)
{
m_pDepthHist[nValue]++;
nNumberOfPoints++;
}
pDepth++;
}
}
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
m_pDepthHist[nIndex] += m_pDepthHist[nIndex-1];
}
if (nNumberOfPoints)
{
for (nIndex=1; nIndex<MAX_DEPTH; nIndex++)
{
m_pDepthHist[nIndex] = (unsigned int)(256 * (1.0f - (m_pDepthHist[nIndex] / nNumberOfPoints)));
}
}
pDepth = dmd.Data();
if (m_bDrawPixels)
{
XnUInt32 nIndex = 0;
// Prepare the texture map
for (nY=0; nY<g_nYRes; nY++)
{
for (nX=0; nX < g_nXRes; nX++, nIndex++)
{
pDestImage[0] = 0;
pDestImage[1] = 0;
pDestImage[2] = 0;
if (m_bDrawBackground || *pLabels != 0)
{
nValue = *pDepth;
XnLabel label = *pLabels;
XnUInt32 nColorID = label % m_nColors;
if (label == 0)
{
nColorID = m_nColors;
}
if (nValue != 0)
{
nHistValue = m_pDepthHist[nValue];
pDestImage[0] = nHistValue * Colors[nColorID][0];
pDestImage[1] = nHistValue * Colors[nColorID][1];
pDestImage[2] = nHistValue * Colors[nColorID][2];
}
}
pDepth++;
pLabels++;
pDestImage+=3;
}
pDestImage += (texWidth - g_nXRes) *3;
}
}
else
{
xnOSMemSet(pDepthTexBuf, 0, 3*2*g_nXRes*g_nYRes);
}
glBindTexture(GL_TEXTURE_2D, depthTexID);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pDepthTexBuf);
// Display the OpenGL texture map
glColor4f(0.75,0.75,0.75,1);
glEnable(GL_TEXTURE_2D);
DrawTexture(dmd.XRes(),dmd.YRes(),0,0);
glDisable(GL_TEXTURE_2D);
}