Changeset 6297 for trunk/gui/scripts/transferfunctioneditor.tcl

Timestamp:

May 1, 2016, 5:11:05 PM (9 years ago)

Author:

ldelgass

Message:

Clamp relative values to [0,1] in transfer function editor to prevent dragging
isovalues out of range.

File:

• trunk/gui/scripts/transferfunctioneditor.tcl (modified) (2 diffs)

trunk/gui/scripts/transferfunctioneditor.tcl

@@ -42 +42 @@
     private method GetScreenPosition { name }
     private method LeaveTick { name }
-    private method SetRelativeValue  { name x }
-    private method GetRelativeValue  { name }
+    private method SetRelativeValue { name x }
+    private method GetRelativeValue { name }
     private method RemoveDuplicateMarkers {name x y}
     private method SetScreenPosition { name }
@@ -225 +225 @@
 }
 
-itcl::body Rappture::TransferFunctionEditor::GetRelativeValue  { name } {
+itcl::body Rappture::TransferFunctionEditor::GetRelativeValue { name } {
     return $_values($name)
 }
 
-itcl::body Rappture::TransferFunctionEditor::SetRelativeValue  { name value } {
+itcl::body Rappture::TransferFunctionEditor::SetRelativeValue { name value } {
+    if {$value < 0.0} {
+        set value 0.0
+    } elseif {$value > 1.0} {
+        set value 1.0
+    }
     set _values($name) $value
     set x [GetScreenPosition $name]