v0.7 Beta - NVIDIA GTC April 2021 Release

Update to v0.7 Beta

samples/FaceTrack/FaceTrack.cpp

@@ -20,6 +20,13 @@
 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 ###############################################################################*/
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <algorithm>
 #include <chrono>
 #include <cmath>
@@ -174,6 +181,12 @@ static int StringToFourcc(const std::string &str) {
  ********************************************************************************/
 
 static int ParseMyArgs(int argc, char **argv) {
+  // query NVAR_MODEL_DIR environment variable first before checking the command line arguments
+  const char* modelPath = getenv("NVAR_MODEL_DIR");
+  if (modelPath) {
+    FLAG_modelPath = modelPath;
+  }
+
   int errs = 0;
   for (--argc, ++argv; argc--; ++argv) {
     bool help;