diff --git a/doc/FAQ b/doc/FAQ index 0c27d9cfc1ae00534e1277768d658f81d6ef6aea..468d3a5383c443f8884066236ad46a09e3114ff5 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -1,4 +1,4 @@ -$Id: FAQ,v 1.42 2004-10-26 01:04:53 geuzaine Exp $ +$Id: FAQ,v 1.43 2004-10-26 08:11:12 geuzaine Exp $ This is the Gmsh FAQ @@ -254,7 +254,15 @@ If you want to loop through different views instead of time steps, you can use the 'Loop through views instead of time steps' option in the view option panel, or use the up and down arrow keys. -* 7.3 Can I visualize a field on a deformed mesh? +* 7.3 How do I visualize a deformed mesh? + +Load a vector view containing the displacement field, and select +'Vector type->Displacement' in the view options. If the displacement +is too small (or too large), you can scale it with the 'Displacement +factor' option. (Remember that you can drag the mouse in all numeric +input fields to slide the value!) + +* 7.4 Can I visualize a field on a deformed mesh? Yes, there are several ways to do that. @@ -264,31 +272,30 @@ mesh), and the second one containing the field you want to display (this view has to contain the same number of elements as the displacement view). You should then set 'Vector type' to 'Displacement' in the first view, as well as set 'External data -source' to the second view. (You might want to make the second view -invisible, too. If you want to amplify or decrease the amount of -deformation, just modify the 'Displacement factor' option.) +source' to point to the second view. (You might want to make the +second view invisible, too. If you want to amplify or decrease the +amount of deformation, just modify the 'Displacement factor' option.) Another solution is to use the DiplacementRaise plugin. -* 7.4 Can I color the arrows representing a vector field with data +* 7.5 Can I color the arrows representing a vector field with data from a scalar field? Yes: load both the vector and the scalar fields (the two views must have the same number of elements) and, in the vector field options, -set 'External data source' to the scalar view. +select the scalar view in 'External data source'. -* 7.5 Can I color iso-value surfaces with data from another scalar +* 7.6 Can I color iso-value surfaces with data from another scalar view? Yes, using the CutMap plugin. -* 7.6 Is there a way to save animations? +* 7.7 Is there a way to save animations? Yes. For example, have a look at tutorial/t8.geo or demos/anim-seq.script. -* 7.7 Is there a way to visualize only certain components of +* 7.8 Is there a way to visualize only certain components of vector/tensor fields? Yes: use 'View->Plugin->Extract'. -