<div dir="ltr"><div>Sounds like an excellent suggestion, consistent with other parts of the X3D Architecture. Thanks Holger.</div><div><br></div><div>Pending further discussion, I've created a Mantis issue and applied simple corresponding changes to the draft specification. Continuing review and improvement welcome.</div><div><ul><li><a href="https://mantis.web3d.org/view.php?id=1533">Mantis 1533: X3DEnvironmentalSensorNode with infinite size</a></li><li><a href="https://mantis.web3d.org/view.php?id=1533">https://mantis.web3d.org/view.php?id=1533</a></li></ul><div><div class="gmail-col-md-12 gmail-col-xs-12" style="box-sizing:border-box;font-family:Poppins;min-height:1px;padding-right:15px;padding-left:15px;float:left;width:1166px;max-width:100%;color:rgb(57,57,57);font-size:13px;background-color:rgb(187,187,187)"><div class="gmail-widget-box gmail-widget-color-blue2" style="box-sizing:border-box;padding:0px;margin:3px 0px;border:1px solid rgb(80,144,193)"><div class="gmail-widget-body" style="box-sizing:border-box;background-color:rgb(255,255,255)"><div class="gmail-widget-main gmail-no-padding" style="box-sizing:border-box;padding:0px"><div class="gmail-table-responsive" style="box-sizing:border-box;min-height:0.01%;overflow-x:auto;margin-bottom:0px"><table class="gmail-table gmail-table-bordered gmail-table-condensed" style="border-collapse:collapse;border-spacing:0px;width:1134px;max-width:100%;margin-bottom:0px;border-width:0px;border-style:solid;border-color:rgb(229,229,229) rgb(221,221,221) rgb(221,221,221);border-radius:0px"><tbody style="box-sizing:border-box"><tr style="box-sizing:border-box"><th class="gmail-bug-description gmail-category" style="box-sizing:border-box;padding:5px;text-align:left;color:rgb(0,0,0);vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)">Description</th><td class="gmail-bug-description" colspan="5" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px">Holger Seelig writes:<br style="box-sizing:border-box">"The X3DEnvironmentalSensorNode has a size field with a range of [0,infinity). Sometimes it doesn't matter what size the sensor is—you just want it to be really big. Then the question arises: what size should you choose—1,000, 10,000, or 100,000 meters, or even bigger?<br style="box-sizing:border-box"><br style="box-sizing:border-box">I suggest that in this case, we simply use the dimensions “-1 -1 -1,” which means infinite, so that the sensor is active throughout the entire space."</td></tr><tr style="box-sizing:border-box"><th class="gmail-bug-additional-information gmail-category" style="box-sizing:border-box;padding:5px;text-align:left;color:rgb(0,0,0);vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)">Additional Information</th><td class="gmail-bug-additional-information" colspan="5" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px">* [x3d-public] X3DEnvironmentalSensorNode with infinite size<br style="box-sizing:border-box">* <a href="https://web3d.org/pipermail/x3d-public_web3d.org/2026-April/022507.html" rel="noopener" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">https://web3d.org/pipermail/x3d-public_web3d.org/2026-April/022507.html</a><br style="box-sizing:border-box"><br style="box-sizing:border-box">* X3D Architecture v4.1 draft, 22 Environmental sensor component, 22.3.1 X3DEnvironmentalSensorNode<br style="box-sizing:border-box">* <a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4.1-CD/Part01/components/environmentalSensor.html#X3DEnvironmentalSensorNode" rel="noopener" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4.1-CD/Part01/components/environmentalSensor.html#X3DEnvironmentalSensorNode</a><br style="box-sizing:border-box"><br style="box-sizing:border-box">* SFVec3f [in,out] size 0 0 0 [0,infinity)<br style="box-sizing:border-box">* "The size field defines the effective volume of the sensor. A default value of 0 0 0 means that the sensor has no active volume and is essentially disabled."</td></tr><tr style="box-sizing:border-box"><th class="gmail-bug-tags gmail-category" style="box-sizing:border-box;padding:5px;text-align:left;color:rgb(0,0,0);vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)">Tags</th><td class="gmail-bug-tags" colspan="5" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px">V4.1</td></tr><tr class="gmail-noprint" style="box-sizing:border-box"><th class="gmail-bug-attach-tags gmail-category" style="box-sizing:border-box;padding:5px;text-align:left;color:rgb(0,0,0);vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)"><br></th><td class="gmail-bug-attach-tags" colspan="5" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px"><br></td></tr><tr class="gmail-spacer" style="box-sizing:border-box;color:rgb(0,0,0);height:5px"><td colspan="6" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px"></td></tr></tbody></table></div></div></div></div></div><br><div class="gmail-col-md-12 gmail-col-xs-12" style="box-sizing:border-box;font-family:Poppins;min-height:1px;padding-right:15px;padding-left:15px;float:left;width:1166px;max-width:100%;color:rgb(57,57,57);font-size:13px;background-color:rgb(187,187,187)"><div id="gmail-bugnotes" class="gmail-widget-box gmail-widget-color-blue2" style="box-sizing:border-box;padding:0px;margin:3px 0px;border:1px solid rgb(80,144,193)"><div class="gmail-widget-header gmail-widget-header-small" style="box-sizing:content-box;min-height:31px;background:rgb(80,144,193);color:rgb(255,255,255);border-bottom:1px solid rgb(80,144,193);padding-left:10px;border-top-color:rgb(80,144,193);border-right-color:rgb(80,144,193);border-left-color:rgb(80,144,193)"><h4 class="gmail-widget-title gmail-lighter" style="box-sizing:border-box;font-weight:lighter;line-height:30px;color:inherit;margin:0px;font-size:18px;padding:0px;display:inline"><span class="gmail-fa gmail-fa-comments gmail-ace-icon" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1;font-size:inherit;text-align:center;margin-right:5px"></span> Activities</h4><div class="gmail-widget-toolbar" style="box-sizing:border-box;display:inline-block;padding:0px 10px;line-height:29px;float:right"><a href="https://mantis.web3d.org/view.php?id=1533#" style="box-sizing:border-box;background-color:transparent;color:rgb(226,226,226);text-decoration:none;font-size:14px;margin:0px 1px;display:inline-block;padding:0px;line-height:24px"><span class="gmail-fa gmail-fa-chevron-up gmail-1 gmail-ace-icon gmail-bigger-125" style="box-sizing:border-box;font-style:normal;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:17.5px;line-height:1;font-family:FontAwesome;display:inline-block;text-align:center;margin-right:0px"></span></a></div></div><div class="gmail-widget-body" style="box-sizing:border-box;background-color:rgb(255,255,255)"><div class="gmail-widget-main gmail-no-padding" style="box-sizing:border-box;padding:0px"><div class="gmail-table-responsive" style="box-sizing:border-box;min-height:0.01%;overflow-x:auto;margin-bottom:0px"><table class="gmail-table gmail-table-bordered gmail-table-condensed gmail-table-striped" style="border-collapse:collapse;border-spacing:0px;width:1134px;max-width:100%;margin-bottom:0px;border-width:0px;border-style:solid;border-color:rgb(229,229,229) rgb(221,221,221) rgb(221,221,221);border-radius:0px"><tbody style="box-sizing:border-box"><tr class="gmail-bugnote gmail-visible-on-hover-toggle" id="gmail-c3890" style="box-sizing:border-box;background-color:rgb(249,249,249)"><td class="gmail-category" style="box-sizing:border-box;padding:5px;color:rgb(0,0,0);font-weight:bold;vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)"><div class="gmail-pull-left gmail-padding-2" style="box-sizing:border-box;float:left;padding:2px"></div><div class="gmail-pull-left gmail-padding-2" style="box-sizing:border-box;float:left;padding:2px"><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-fa gmail-fa-user gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-weight:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> <a href="https://mantis.web3d.org/view_user_page.php?id=10" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">brutzman</a></p><p class="gmail-no-margin gmail-small gmail-lighter" style="box-sizing:border-box;font-size:11.05px;font-weight:normal;margin:0px"><span class="gmail-fa gmail-fa-clock-o gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> 2026-04-26 12:38</p><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-label gmail-label-sm gmail-label-default gmail-arrowed-in-right" style="box-sizing:border-box;display:inline-block;padding:0.2em 0.4em 0.3em;font-size:11px;font-weight:400;line-height:1;color:rgb(255,255,255);text-align:center;white-space:nowrap;vertical-align:baseline;border-radius:0px;background-color:rgb(171,186,195);height:18px;margin-right:4px">administrator</span> <span class="gmail-fa gmail-fa-link gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-weight:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> <a rel="bookmark" href="https://mantis.web3d.org/view.php?id=1533#c3890" class="gmail-lighter" title="Direct link to note" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none;font-weight:lighter">~0003890</a></p><p class="gmail-no-margin gmail-small gmail-lighter" style="box-sizing:border-box;font-size:11.05px;font-weight:normal;margin:0px"><span class="gmail-fa gmail-fa-retweet" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1;font-size:inherit"></span> Last edited: 2026-04-26 13:08</p><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-small gmail-bugnote-revisions-link" style="box-sizing:border-box;font-size:11.05px;font-weight:normal"><a href="https://mantis.web3d.org/bug_revision_view_page.php?bugnote_id=3890" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">View 2 revisions</a></span></p><div class="gmail-clearfix" style="box-sizing:border-box"></div><div class="gmail-space-2" style="box-sizing:border-box;max-height:1px;min-height:1px;overflow:hidden;margin:2px 0px 1px"></div><div class="gmail-btn-group gmail-visible-on-hover gmail-invisible" style="box-sizing:border-box;display:inline-block;vertical-align:middle"><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_edit_page.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_delete.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_set_view_state.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div></div></div></td><td class="gmail-bugnote-note gmail-bugnote-public" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);background-color:rgb(232,232,232);color:rgb(0,0,0);width:850.5px;border-radius:0px">Another field might be 'global' but since X3DEnvironmentalSensorNode nodes are always defined within some local context, and since the larger external scene graph is not known, such additional scoping likely is not practical feature. Including dimensions in the size field provides spatial scoping, which satisfactorily handles the great majority of foreseen use cases.<br style="box-sizing:border-box"></td></tr><tr class="gmail-spacer" style="box-sizing:border-box;color:rgb(0,0,0);height:5px"><td colspan="2" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px"></td></tr><tr class="gmail-bugnote gmail-visible-on-hover-toggle" id="gmail-c3891" style="box-sizing:border-box;background-color:rgb(249,249,249)"><td class="gmail-category" style="box-sizing:border-box;padding:5px;color:rgb(0,0,0);font-weight:bold;vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)"><div class="gmail-pull-left gmail-padding-2" style="box-sizing:border-box;float:left;padding:2px"></div><div class="gmail-pull-left gmail-padding-2" style="box-sizing:border-box;float:left;padding:2px"><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-fa gmail-fa-user gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-weight:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> <a href="https://mantis.web3d.org/view_user_page.php?id=10" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">brutzman</a></p><p class="gmail-no-margin gmail-small gmail-lighter" style="box-sizing:border-box;font-size:11.05px;font-weight:normal;margin:0px"><span class="gmail-fa gmail-fa-clock-o gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> 2026-04-26 12:41</p><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-label gmail-label-sm gmail-label-default gmail-arrowed-in-right" style="box-sizing:border-box;display:inline-block;padding:0.2em 0.4em 0.3em;font-size:11px;font-weight:400;line-height:1;color:rgb(255,255,255);text-align:center;white-space:nowrap;vertical-align:baseline;border-radius:0px;background-color:rgb(171,186,195);height:18px;margin-right:4px">administrator</span> <span class="gmail-fa gmail-fa-link gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-weight:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> <a rel="bookmark" href="https://mantis.web3d.org/view.php?id=1533#c3891" class="gmail-lighter" title="Direct link to note" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none;font-weight:lighter">~0003891</a></p><p class="gmail-no-margin gmail-small gmail-lighter" style="box-sizing:border-box;font-size:11.05px;font-weight:normal;margin:0px"><span class="gmail-fa gmail-fa-retweet" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1;font-size:inherit"></span> Last edited: 2026-04-26 12:59</p><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-small gmail-bugnote-revisions-link" style="box-sizing:border-box;font-size:11.05px;font-weight:normal"><a href="https://mantis.web3d.org/bug_revision_view_page.php?bugnote_id=3891" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">View 6 revisions</a></span></p><div class="gmail-clearfix" style="box-sizing:border-box"></div><div class="gmail-space-2" style="box-sizing:border-box;max-height:1px;min-height:1px;overflow:hidden;margin:2px 0px 1px"></div><div class="gmail-btn-group gmail-visible-on-hover gmail-invisible" style="box-sizing:border-box;display:inline-block;vertical-align:middle"><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_edit_page.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_delete.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_set_view_state.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div></div></div></td><td class="gmail-bugnote-note gmail-bugnote-public" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);background-color:rgb(232,232,232);color:rgb(0,0,0);width:850.5px;border-radius:0px">Suggested change and additional sentence, leaving original default value unchanged for backwards compatibility:<br style="box-sizing:border-box"> <br style="box-sizing:border-box">* SFVec3f [in,out] size 0 0 0 [0,infinity) <span style="background-color:rgb(255,242,204)">or -1 -1 -1</span><br style="box-sizing:border-box">* "<span style="background-color:rgb(255,242,204)">A default value of -1 -1 -1 means that the sensor volume is unbounded.</span>"<br style="box-sizing:border-box"><br style="box-sizing:border-box">The field change also affects GeoProximitySensor, ProximitySensor, TransformSensor and VisibilitySensor nodes.<br style="box-sizing:border-box"></td></tr><tr class="gmail-spacer" style="box-sizing:border-box;color:rgb(0,0,0);height:5px"><td colspan="2" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px"></td></tr><tr class="gmail-bugnote gmail-visible-on-hover-toggle" id="gmail-c3892" style="box-sizing:border-box;background-color:rgb(249,249,249)"><td class="gmail-category" style="box-sizing:border-box;padding:5px;color:rgb(0,0,0);font-weight:bold;vertical-align:top;line-height:1.42857;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px;background-color:rgb(237,243,244)"><div class="gmail-pull-left gmail-padding-2" style="box-sizing:border-box;float:left;padding:2px"></div><div class="gmail-pull-left gmail-padding-2" style="box-sizing:border-box;float:left;padding:2px"><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-fa gmail-fa-user gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-weight:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> <a href="https://mantis.web3d.org/view_user_page.php?id=10" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none">brutzman</a></p><p class="gmail-no-margin gmail-small gmail-lighter" style="box-sizing:border-box;font-size:11.05px;font-weight:normal;margin:0px"><span class="gmail-fa gmail-fa-clock-o gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> 2026-04-26 13:10</p><p class="gmail-no-margin" style="box-sizing:border-box;margin:0px"><span class="gmail-label gmail-label-sm gmail-label-default gmail-arrowed-in-right" style="box-sizing:border-box;display:inline-block;padding:0.2em 0.4em 0.3em;font-size:11px;font-weight:400;line-height:1;color:rgb(255,255,255);text-align:center;white-space:nowrap;vertical-align:baseline;border-radius:0px;background-color:rgb(171,186,195);height:18px;margin-right:4px">administrator</span> <span class="gmail-fa gmail-fa-link gmail-grey" style="box-sizing:border-box;font-family:FontAwesome;display:inline-block;font-variant:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-weight:normal;font-stretch:normal;line-height:1;font-size:inherit;color:rgb(119,119,119)"></span> <a rel="bookmark" href="https://mantis.web3d.org/view.php?id=1533#c3892" class="gmail-lighter" title="Direct link to note" style="box-sizing:border-box;background-color:transparent;color:rgb(51,122,183);text-decoration:none;font-weight:lighter">~0003892</a></p><div class="gmail-clearfix" style="box-sizing:border-box"></div><div class="gmail-space-2" style="box-sizing:border-box;max-height:1px;min-height:1px;overflow:hidden;margin:2px 0px 1px"></div><div class="gmail-btn-group gmail-visible-on-hover gmail-invisible" style="box-sizing:border-box;display:inline-block;vertical-align:middle"><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_edit_page.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_delete.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div><div class="gmail-pull-left" style="box-sizing:border-box;float:left"><form method="post" action="https://mantis.web3d.org/bugnote_set_view_state.php" class="gmail-form-inline gmail-inline gmail-single-button-form" style="box-sizing:border-box;margin:0px 1px 0px 0px;display:inline-block"></form></div></div></div></td><td class="gmail-bugnote-note gmail-bugnote-public" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px;border-style:solid;border-color:rgb(221,221,221);background-color:rgb(232,232,232);color:rgb(0,0,0);width:850.5px;border-radius:0px">Changes applied to draft specification, approval is pending further discussion on x3d-public mailing list.</td></tr><tr class="gmail-spacer" style="box-sizing:border-box;color:rgb(0,0,0);height:5px"><td colspan="2" style="box-sizing:border-box;padding:5px;line-height:1.42857;vertical-align:top;border-width:1px 0px 0px;border-style:solid;border-color:rgb(221,221,221);border-radius:0px"></td></tr></tbody></table></div></div></div></div></div><br class="gmail-Apple-interchange-newline"></div></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><font face="monospace"><br></font></div><div style="color:rgb(34,34,34)"><br></div><div style="color:rgb(34,34,34)"><font face="monospace">all the best, Don</font></div><div style="color:rgb(34,34,34)"><font face="monospace">-- </font></div><div style="color:rgb(34,34,34)"><font face="monospace">X3D Graphics, Maritime Robotics, Distributed Simulation</font></div><div style="color:rgb(34,34,34)"><font face="monospace">Relative Motion Consulting <a href="https://RelativeMotion.info" target="_blank">https://RelativeMotion.info</a></font></div></div></div></div><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Apr 26, 2026 at 3:17 AM Holger Seelig <<a href="mailto:holger.seelig@yahoo.de">holger.seelig@yahoo.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>The X3DEnvironmentalSensorNode has a size field with a range of <span style="color:rgb(0,0,0);font-size:11.05px;background-color:rgb(255,255,255)">[0,∞). </span><font color="#000000"><span style="font-size:11.05px">Sometimes it doesn't matter what size the sensor is—you just want it to be really big. Then the question arises: what size should you choose—1,000, 10,000, or 100,000 meters, or even bigger?</span></font><div><font color="#000000"><span style="font-size:11.05px"><br></span></font></div><div><font color="#000000"><span style="font-size:11.05px">I suggest that in this case, we simply use the dimensions “-1 -1 -1,” which means infinite, so that the sensor is active throughout the entire space.</span></font></div><div><font color="#000000"><span style="font-size:11.05px"><br></span></font></div><div><font color="#000000"><span style="font-size:11.05px">This feature is already available in X_ITE. What do you think?</span></font></div><div><font color="#000000"><span style="font-size:11.05px"><br></span></font></div><div><font color="#000000"><span style="font-size:11.05px">Best regards,</span></font></div><div><font color="#000000"><span style="font-size:11.05px">Holger</span></font></div><div><font color="#000000"><span style="font-size:11.05px"><br></span></font><div>
<div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="text-align:start;text-indent:0px"><div style="color:rgb(0,0,0);letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">—</div><div style="color:rgb(0,0,0);letter-spacing:normal;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">Holger Seelig<br><a href="mailto:holger.seelig@yahoo.de" target="_blank">holger.seelig@yahoo.de</a><br><br></div></div></div></div></div></div></div></div></div></div></div></div>
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