From 3bd85d6f6d3bd736ee374289a54371040657fc58 Mon Sep 17 00:00:00 2001
From: "Eugeniy E. Mikhailov" <evgmik@gmail.com>
Date: Tue, 15 Jun 2021 22:43:40 -0400
Subject: ramp generator get extra method to work with span and center

---
 funcGenerator.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'funcGenerator.py')

diff --git a/funcGenerator.py b/funcGenerator.py
index caccacc..e82f227 100644
--- a/funcGenerator.py
+++ b/funcGenerator.py
@@ -29,6 +29,24 @@ class RampGen:
         self.stop = stop
         self.sweeper = sweeper
 
+    def setCenterAndSpan(self, center, span):
+        self.start = center-span/2
+        self.stop  = center+span/2
+
+    def setCenter(self, center):
+        span = self.stop - self.start;
+        self.setCenterAndSpan(center, span)
+
+    def getCenter(self, center):
+        retrun (self.stop + self.start)/2
+
+    def setSpan(self, span):
+        center = (self.stop + self.start)/2
+        self.setCenterAndSpan(center, span)
+
+    def getSpan(self, span):
+        return self.stop - self.start;
+
     def getValue(self, sweeper=None):
         if sweeper is None and self.sweeper is None:
             print("Error: generator needs sweeper")
-- 
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