<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:13px"><div id="yiv6247690041"><div id="yui_3_16_0_ym19_1_1473786507041_93260"><div id="yui_3_16_0_ym19_1_1473786507041_93259" style="color:#000;background-color:#fff;font-family:verdana, helvetica, sans-serif;font-size:13px;"><div id="yiv6247690041"><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_25366"><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_25365" style="color:#000;background-color:#fff;font-family:verdana, helvetica, sans-serif;font-size:13px;"><div id="yiv6247690041"><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_20449"><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_20448" style="color:#000;background-color:#fff;font-family:verdana, helvetica, sans-serif;font-size:13px;"><div id="yiv6247690041"><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_8200"><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_8199" style="color:#000;background-color:#fff;font-family:verdana, helvetica, sans-serif;font-size:13px;"><div dir="ltr" id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_20472">Dear Mrs. Patrasova, Mr. Metz, Mr. Kudrnovsky, Mr. Neteler,</div><div id="yiv6247690041yui_3_16_0_ym19_1_1473781076693_20493"><div id="yui_3_16_0_ym19_1_1473786507041_93562"><br></div><div id="yui_3_16_0_ym19_1_1473786507041_93561">Thank you all for the replies!!</div></div><br><div id="yui_3_16_0_ym19_1_1473786507041_93664" dir="ltr">@ Mr. Metz:<br>So curvature analysis in GRASS are neither Gaussian nor Mean curvature analysis types? Did I understand that correctly?</div><div id="yui_3_16_0_ym19_1_1473786507041_93771" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1473786507041_93704"><br></div><div id="yui_3_16_0_ym19_1_1473786507041_93593" dir="ltr">@ Mr. Kudrnovsky, Mrs. Patrasova:</div><div id="yui_3_16_0_ym19_1_1473786507041_93772">Both source codes seem to mention the profile and tangential curvature.</div><div id="yui_3_16_0_ym19_1_1473786507041_93770"><br></div><br clear="none">@Mr. Neteler:<br clear="none">The book is a bit expensive (for my country) but seems to be quite good as well!<br clear="none"><div id="yui_3_16_0_ym19_1_1473786507041_93804">I also not sure just looking at the equations would help me identify whether it is Gaussian or Mean curvature type, due to my non-mathematical non-GIS background.</div><div id="yui_3_16_0_ym19_1_1473786507041_93805"><br></div><br clear="none">Kind regards,<br clear="none">Djordje Spasic<div class="qtdSeparateBR"><br><br></div><div class="yiv6247690041yqt2789526665" id="yiv6247690041yqtfd62354"><div class="yiv6247690041yqt7145534623" id="yiv6247690041yqtfd92789"><div class="yiv6247690041yqt2721824138" id="yiv6247690041yqtfd38901"><div class="yiv6247690041yqt1383476632" id="yiv6247690041yqtfd58492"><br clear="none"></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></body></html>