Add helpers for fiber plot data

vfo/internal_plotting_functions.py

@@ -577,3 +577,62 @@ def _setStandardViewport(fig, ax, nodeCords, ndm, Disp = np.array([])):
         ax.set_zlabel('Z')
 
     return fig, ax
+
+# =============================================================================
+# Fiber Helpers
+# =============================================================================
+
+def _getAxisInfo(LocalAxis):
+
+    if LocalAxis == 'z':
+        axisIndex = 1
+        axisXlabel = "Local z value"
+    if LocalAxis == 'y':
+        axisIndex = 0
+        axisXlabel = "Local y value"
+
+    return axisIndex, axisXlabel
+
+
+def _getResponseInfo(InputType):
+    if InputType == 'stress':
+        responseIndex = 3
+        axisYlabel = "Fiber Stress"
+    if InputType == 'strain':
+        responseIndex = 4
+        axisYlabel = "Fiber Strain"
+
+    return responseIndex, axisYlabel
+
+
+
+def _getFiberBounds(fibrePositionSorted, fibreResponseSorted, Xbound, Ybound):
+    # Set up bounds based on data from 
+    if Xbound == []:
+        xmin = 1.1*np.min(fibrePositionSorted)
+        xmax = 1.1*np.max(fibrePositionSorted)
+    else:
+        xmin = Xbound[0]       
+        xmax = Xbound[1]
+
+    if Ybound == []:
+        ymin = 1.1*np.min(fibreResponseSorted)  
+        ymax = 1.1*np.max(fibreResponseSorted)        
+    else:
+        ymin = Ybound[0]       
+        ymax = Ybound[1]  
+
+    return xmin, xmax, ymin, ymax
+
+
+
+def _skipFiberData(fibrePositionSorted, fibreResponseSorted, fiberYPosition,  skipStart, skipEnd):
+    # If end data is not being skipped, use the full vector length.
+    if skipEnd ==0:
+        skipEnd = len(fiberYPosition)   
+
+    # Remove unecessary data
+    xinputs = fibrePositionSorted[skipStart:skipEnd, :]
+    yinputs = fibreResponseSorted[skipStart:skipEnd, :]
+
+    return xinputs, yinputs