Changeset 223 in flair-src for trunk/lib/FlairFilter/src/LowPassFilter_impl.cpp

Timestamp:

02/27/18 12:20:03 (6 years ago)

Author:

Sanahuja Guillaume

Message:

add delta time to io_data

File:

• trunk/lib/FlairFilter/src/LowPassFilter_impl.cpp (modified) (3 diffs)

trunk/lib/FlairFilter/src/LowPassFilter_impl.cpp

@@ -67 +67 @@
                            " Hz", 0, 10000, 0.1, 2, 1);
                            
-  previous_time=GetTime();
   this->self = self;
 }
@@ -87 +86 @@
 
   if (T->Value() == 0) {
-    delta_t = (float)(data->DataTime() - previous_time) / 1000000000.;
+    delta_t = (float)(data->DataDeltaTime() ) / 1000000000.;
   } else {
     delta_t = T->Value();
   }
-  for (int i = 0; i < input->Rows(); i++) {
-    for (int j = 0; j < input->Cols(); j++) {
-      float cutoff=freq->Value();
-      if (cutoff == 0 || freq->ValueChanged()) {
-        output->SetValueNoMutex(i, j, input->ValueNoMutex(i, j));
-      } else {
-        output->SetValueNoMutex(i, j, (1 - 2 * PI * cutoff * delta_t) *
-                                              output->ValueNoMutex(i, j) +
-                                          2 * PI * cutoff * delta_t *
-                                              input->ValueNoMutex(i, j));
+  
+  if(delta_t!=0) {
+    for (int i = 0; i < input->Rows(); i++) {
+      for (int j = 0; j < input->Cols(); j++) {
+        float cutoff=freq->Value();
+        if (cutoff == 0 || freq->ValueChanged()) {
+          output->SetValueNoMutex(i, j, input->ValueNoMutex(i, j));
+        } else {
+          output->SetValueNoMutex(i, j, (1 - 2 * PI * cutoff * delta_t) *
+                                                output->ValueNoMutex(i, j) +
+                                            2 * PI * cutoff * delta_t *
+                                                input->ValueNoMutex(i, j));
+        }
       }
     }
@@ -109 +111 @@
 
   output->SetDataTime(data->DataTime());
-  previous_time = data->DataTime();
 }