Fix last scenes using plane definition in TrianglePressureForceField

Author: hugtalbot

examples/Component/Engine/Select/SubsetTopology_withtetrahedra.scn

@@ -41,7 +41,8 @@
             <include href="Objects/TriangleSetTopology.xml" src="@../loader" tags=" " />
             <Tetra2TriangleTopologicalMapping input="@../Container" output="@Container" />
             <TriangularBendingSprings name="FEM-Bend" stiffness="100" damping="1.0" />
-            <TrianglePressureForceField normal="0 0 1" dmin="0.9" dmax="1.1" pressure="0.4 0 0" />
+            <BoxROI name="pressureROI" position="@../Volume.position" triangles="@Container.triangles" box="0.9 -0.01 -0.01   1.1 1.01 1.01" drawBoxes="1"/>
+            <TrianglePressureForceField name="PFF" triangleList="@pressureROI.triangleIndices" pressure="0.4 0 0"/>
             <TriangleCollisionModel />
             <Node name="Visu">
                 <OglModel template="Vec3" name="Visual" material="Default Diffuse 1 0 0 1 0.5 Ambient 1 0.2 0 0 1 Specular 0 1 0 0 1 Emissive 0 1 0 0 1 Shininess 0 45" />

examples/Component/SolidMechanics/FEM/TriangularForceFieldComparison.scn

@@ -123,7 +123,8 @@
         <include href="Objects/TriangleSetTopology.xml" src="@loader" />
         <DiagonalMass massDensity="0.015" />
         <FixedProjectiveConstraint indices="0 1" />
-        <TrianglePressureForceField name="PFF" normal="0 0 1" dmin="0.9" dmax="1.1" pressure="0 1 0" />
+        <BoxROI name="pressureROI" position="@../Volume.position" triangles="@Container.triangles" box="0.9 -0.01 -0.01   1.1 1.01 1.01" drawBoxes="1"/>
+        <TrianglePressureForceField name="PFF" triangleList="@pressureROI.triangleIndices" pressure="0 1 0"/>
         <TriangleCollisionModel />
         <Node >
             <OglModel name="Visual" color="blue" />

examples/Component/Topology/Container/Dynamic/TriangularForceFieldTopologyChangeHandling.scn

@@ -131,7 +131,8 @@
         <include href="Objects/TriangleSetTopology.xml" src="@loader" />
         <DiagonalMass massDensity="0.015" />
         <FixedProjectiveConstraint indices="0 1" />
-        <TrianglePressureForceField name="PFF" normal="0 0 1" dmin="0.9" dmax="1.1" pressure="1 0 0" />
+        <BoxROI name="pressureROI" position="@../Volume.position" triangles="@Container.triangles" box="0.9 -0.01 -0.01   1.1 1.01 1.01" drawBoxes="1"/>
+        <TrianglePressureForceField name="PFF" triangleList="@pressureROI.triangleIndices" pressure="1 0 0"/>
         <TriangleCollisionModel />
 
         <Node >