var fDesc=new Array(); fDesc[0] = "Two-dimensional digital image correlation allows the measurement of full-field, in-plane displacements. The method is easy to use, accurate and fast. It requires only one camera to acquire the images and a computer to run the analysis. Vic-2D 2009 uses developers optimized correlation algorithms to provide full-field displacement and strain data for mechanical testing on planar specimens. Actual, in-plane movement can determined for every point within the measurement area, as well as the Lagrangian strain tensor."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }