Changeset 90b9a17 in sasview for invariantview/perspectives/invariant

Timestamp:

Jun 10, 2010 2:10:01 PM (14 years ago)

Author:

Jae Cho <jhjcho@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

8c3856b

Parents:

1b43306

Message:

minor improvement in High Q plot especially when background is set close to the I_min value

File:

• invariantview/perspectives/invariant/invariant_panel.py (modified) (4 diffs)

invariantview/perspectives/invariant/invariant_panel.py

@@ -18 +18 @@
 # The maximum q-value to be used when extrapolating
 Q_MAXIMUM  = 10
-# the maximum value to plot the theory data
-Q_MAXIMUM_PLOT = 2
+# the ratio of maximum q value/(qmax of data) to plot the theory data
+Q_MAXIMUM_PLOT = 3
 # the number of points to consider during fit
 NPTS = 10
@@ -70 +70 @@
         self._scale = SCALE 
         self._background = BACKGROUND
+
         #container of invariant value
         self.inv_container = None
@@ -278 +279 @@
         if high_q:
             try: 
+                qmax_plot = Q_MAXIMUM_PLOT * max(self._data.x)
+                if qmax_plot > Q_MAXIMUM: qmax_plot = Q_MAXIMUM
                 qstar_high, qstar_high_err = inv.get_qstar_high()
                 self.inv_container.qstar_high = qstar_high
@@ -283 +286 @@
                 power_high = inv.get_extrapolation_power(range='high') 
                 self.power_high_tcl.SetValue(format_number(power_high))
-                high_out_data = inv.get_extra_data_high(q_end=Q_MAXIMUM_PLOT)
+                high_out_data = inv.get_extra_data_high(q_end=qmax_plot,npts=500)
                 self._manager.plot_theory(data=high_out_data,
                                            name="High-Q extrapolation")