From b4837bcd14fba2d6ae3ff11b32face6b5738da1a Mon Sep 17 00:00:00 2001
From: amx <amx>
Date: Thu, 5 Apr 2007 09:47:48 +0000
Subject: [PATCH] PAL13174: Now user can choose between (1.-cos( aT ))/2. and
 sin( aT - PI/2 ) functions in sweap feature.

---
 src/VISUGUI/VISU_msg_en.po |  7 +++++--
 src/VISUGUI/VisuGUI.cxx    | 16 ++++++++++++----
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/src/VISUGUI/VISU_msg_en.po b/src/VISUGUI/VISU_msg_en.po
index dc445692..30ad9273 100644
--- a/src/VISUGUI/VISU_msg_en.po
+++ b/src/VISUGUI/VISU_msg_en.po
@@ -159,8 +159,11 @@ msgstr "Sweeping preferences"
 msgid "VISU_LINEAR_SWEEP"
 msgstr "Linear" 
 
-msgid "VISU_U_SWEEP"
-msgstr "Cosinusoidal"
+msgid "VISU_COS_SWEEP"
+msgstr "Cosinusoidal ( (1 - cos(t))/2 )"
+
+msgid "VISU_SIN_SWEEP"
+msgstr "Sinusoidal ( sin( t - PI/2 ) )"
 
 msgid "VISU_SWEEPING_MODES"
 msgstr "Mode of the sweeping "
diff --git a/src/VISUGUI/VisuGUI.cxx b/src/VISUGUI/VisuGUI.cxx
index bec2bebf..73812924 100644
--- a/src/VISUGUI/VisuGUI.cxx
+++ b/src/VISUGUI/VisuGUI.cxx
@@ -1657,11 +1657,17 @@ OnSweep()
     for (int i = 0; i <= aSteps; i++) {
       try {
         float aPercents;
-        if( aMode == 1 ){  //if selected Periodic mode of sweeping
-	  float aT = ( is2Pi == 1 ? -PI + 2. * PI * float(i)/aSteps : PI * float(i)/aSteps );
-          //This is necessary in order for animation to retrun to the initial picture
+	float aT;
+	if( aMode >= 1 )
+	  aT = ( is2Pi == 1 ? -PI + 2. * PI * float(i)/aSteps : PI * float(i)/aSteps );
+        if( aMode == 1 ){  //if selected Periodic cosinusoidal mode of sweeping
+          //This is necessary in order for animation to return to the initial picture
 	  aPercents = (1.-cos( aT ))/2.;
         }
+        else if( aMode == 2 ){  //if selected Periodic sinusoidal mode of sweeping
+          //This is necessary in order for animation to return to the initial picture
+	  aPercents = sin( aT - PI/2 );
+        }
         else //if selected Linear mode of sweeping
           aPercents = float(i)/aSteps;
         aPrsObject->SetMapScale(aPercents);
@@ -3127,10 +3133,12 @@ void VisuGUI::createPreferences()
   int modeSw = addPreference( tr( "VISU_SWEEPING_MODES" ), sweepGr, LightApp_Preferences::Selector, "VISU", "sweeping_modes" );
   QStringList sweep_modes;
   sweep_modes.append( tr( "VISU_LINEAR_SWEEP" ) );
-  sweep_modes.append( tr( "VISU_U_SWEEP" ) );
+  sweep_modes.append( tr( "VISU_COS_SWEEP" ) );
+  sweep_modes.append( tr( "VISU_SIN_SWEEP" ) );
   indices.clear();
   indices.append( 0 );
   indices.append( 1 );
+  indices.append( 2 );
   setPreferenceProperty( modeSw, "strings", sweep_modes );
   setPreferenceProperty( modeSw, "indexes", indices );
 
-- 
2.39.2