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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Andreas and Holger, thanks for these important catches. Certainly the upper-bound limit should be positive infinity, not minus infinity.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dick, please let’s discuss whether there is any way to remove these typographical errors while in final stage of ISO editorial review.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Andreas, if you have suggested prose for “explain that fogVisibility corresponds to the visibilityRange field” then please send that. We can at least create a Mantis issue for eventual resolution.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks everyone.<o:p></o:p></p><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, navy robotics https://faculty.nps.edu/brutzman<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> x3d-public <x3d-public-bounces@web3d.org> <b>On Behalf Of </b>Holger Seelig<br><b>Sent:</b> Tuesday, October 17, 2023 9:21 AM<br><b>To:</b> Andreas Plesch <andreasplesch@gmail.com><br><b>Cc:</b> X3D <x3d-public@web3d.org><br><b>Subject:</b> Re: [x3d-public] visibilityRange for X3DFogObject<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There is also LocalFog derived from X3DFogObject, it has the same issue:<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='color:black'>lists limits for the visibilityRange as 0 to minus infinity, for the<br>abstract node.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:black'><br><br></span><o:p></o:p></p></div><div><p class=MsoNormal><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/environmentalEffects.html#LocalFog">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/environmentalEffects.html#LocalFog</a><o:p></o:p></p><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>--<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Holger Seelig<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Leipzig, Germany<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><a href="mailto:holger.seelig@yahoo.de">holger.seelig@yahoo.de</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><a href="https://create3000.github.io/x_ite/">https://create3000.github.io/x_ite/</a><o:p></o:p></span></p></div></div></div></div></div></div></div></div><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Am 17.10.2023 um 16:26 schrieb Andreas Plesch <<a href="mailto:andreasplesch@gmail.com">andreasplesch@gmail.com</a>>:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/environmentalEffects.html#X3DFogObject">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/environmentalEffects.html#X3DFogObject</a><br><br>lists limits for the visibilityRange as 0 to minus infinity, for the<br>abstract node.<br><br><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/environmentalEffects.html#Fog">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/environmentalEffects.html#Fog</a><br><br>list limits for the visibilityRange as 0 to plus infinity, for the<br>concrete node.<br><br><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/lighting.html#t-foginterpolant">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/lighting.html#t-foginterpolant</a><br><br>assumes a positive visibilityRange (and probably should explain that<br>fogVisibility corresponds to the visibilityRange field).<br><br>So I think the abstract node also should list 0 to plus infinity as<br>limits (unless there are historical reasons).<br><br>This is not critical for implementations since Fog is the only<br>concrete node inheriting from X3DFogNode but should be addressed.<br><br>Apologies if this is already addressed in the very latest versions.<br><br>-Andreas<br><br>-- <br>Andreas Plesch<br>Waltham, MA 02453<br><br>_______________________________________________<br>x3d-public mailing list<br><a href="mailto:x3d-public@web3d.org">x3d-public@web3d.org</a><br><a href="http://web3d.org/mailman/listinfo/x3d-public_web3d.org">http://web3d.org/mailman/listinfo/x3d-public_web3d.org</a><o:p></o:p></p></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>