Diff: LinearCharacteristics.cpp

Revision:

0:a56e9c932891

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LinearCharacteristics.cpp	Thu Mar 07 06:52:26 2019 +0000
@@ -0,0 +1,50 @@
+#include "LinearCharacteristics.h"
+
+using namespace std;
+
+LinearCharacteristics::LinearCharacteristics(float gain,float offset){    // standard lin characteristics
+    this->gain = gain;
+    this->offset = offset;
+}
+
+LinearCharacteristics::LinearCharacteristics(float xmin,float xmax, float ymin, float ymax){    // standard lin characteristics
+    this->gain = (ymax - ymin)/(xmax - xmin);
+    this->offset = xmax - ymax/this->gain;
+    this->ulim = 999999.0;
+    this->llim = -999999.0;
+    
+}
+LinearCharacteristics::LinearCharacteristics(float xmin,float xmax, float ymin, float ymax,float ll, float ul){    // standard lin characteristics
+    this->gain = (ymax - ymin)/(xmax - xmin);
+    this->offset = xmax - ymax/this->gain;
+    this->llim = ll;
+    this->ulim = ul;
+    
+}
+
+LinearCharacteristics::~LinearCharacteristics() {}
+
+
+float LinearCharacteristics::evaluate(float x)
+{   
+float dum = this->gain*(x - this->offset);
+if(dum > this->ulim)
+    dum = this->ulim;
+if(dum < this->llim)
+    dum = this->llim;
+return dum;
+    }
+
+void LinearCharacteristics::setup(float xmin,float xmax, float ymin, float ymax){    // standard lin characteristics
+    this->gain = (ymax - ymin)/(xmax - xmin);
+    this->offset = xmax - ymax/this->gain;
+    this->ulim = 999999.0;
+    this->llim = -999999.0;   
+}
+void LinearCharacteristics::setup(float xmin,float xmax, float ymin, float ymax,float ll, float ul){    // standard lin characteristics
+    this->gain = (ymax - ymin)/(xmax - xmin);
+    this->offset = xmax - ymax/this->gain;
+    this->llim = ll;
+    this->ulim = ul; 
+}
+