<div dir="ltr"><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">On Mon, Feb 26, 2018 at 9:57 AM, normanius<span> </span></span><span dir="ltr" style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><<a href="mailto:juch@zhaw.ch" target="_blank" style="color:rgb(17,85,204)">juch@zhaw.ch</a>></span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span>wrote:</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><blockquote class="gmail_quote" style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>Do I have to define my own "file format", or does something like this<br>already exist in vtk?</blockquote><br></div><div>VTK can use a few different file formats for scenes.  I doubt that all features of each file format are supported, but if your basic requirement is just to save multiple polydata in a file, these should work for you:</div><div><br></div><div><a href="https://www.vtk.org/doc/nightly/html/classvtkImporter.html">https://www.vtk.org/doc/nightly/html/classvtkImporter.html</a><br></div><a href="https://www.vtk.org/doc/nightly/html/classvtkExporter.html">https://www.vtk.org/doc/nightly/html/classvtkExporter.html</a><br><div class="gmail_extra"><br></div><div class="gmail_extra">I don't think VTK has a native file format for this, but I could be wrong.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Cheers,</div><div class="gmail_extra"> - David</div></div>