<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">In the latest version of the spec (4.1), the base class X3DOneSidedMaterialNode does not include the field emissiveColor in this class. It is first defined In derived classes of this base class with indeed different <span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">and deliberately other</span> values.<br><div><br></div><div>X3DOneSidedMaterialNode (Draft):</div><div><a href="https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4.1-CD/Part01/components/shape.html#X3DOneSidedMaterialNode">https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4.1-CD/Part01/components/shape.html#X3DOneSidedMaterialNode</a></div><div><br></div><div>Best regards,</div><div>Holger</div><div><br id="lineBreakAtBeginningOfMessage"><div>
<meta charset="UTF-8"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div>—<br>Holger Seelig<br>Leipzig, Germany<br><br>holger.seelig@yahoo.de<br>https://create3000.github.io/x_ite/<br>https://patreon.com/X_ITE<br></div><div><br></div></div><br class="Apple-interchange-newline">
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<div><br><blockquote type="cite"><div>Am 09.09.2025 um 19:36 schrieb microaaron via x3d-public <x3d-public@web3d.org>:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><div class="default-font-1757439329361" dir="ltr" style="font-size: 14px; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-style: 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; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0px;">There are contradictions in the V4.0 specification.</div><div style="margin: 0px;"><a href="https://www.web3d.org/documents/specifications/19775-1/V4.0/Part01/components/shape.html#X3DOneSidedMaterialNode" target="_blank" title="原始URL: https://www.web3d.org/documents/specifications/19775-1/V4.0/Part01/components/shape.html#X3DOneSidedMaterialNode
按住Ctrl并单击可访问链接">12.3.4 X3DOneSidedMaterialNode</a><span class="Apple-converted-space"> </span>says "The emissiveColor field is defined in implementing nodes".</div><div style="margin: 0px;">But <a href="https://www.web3d.org/documents/specifications/19775-1/V4.0/Part01/components/shape.html#UnlitMaterial" target="_blank" title="原始URL: https://www.web3d.org/documents/specifications/19775-1/V4.0/Part01/components/shape.html#UnlitMaterial
按住Ctrl并单击可访问链接">12.4.10 UnlitMaterial</a><span class="Apple-converted-space"> </span>says "This node inherits the emissiveColor field from the X3DOneSidedMaterialNode ancestor, but the default value of this field changes: only for UnlitMaterial, the default emissiveColor is 1 1 1 (white), instead of 0 0 0 (black, default of X3DOneSidedMaterialNode.emissiveColor)".</div><div style="margin: 0px;">Should the emissiveColor field be defined in X3DOneSidedMaterialNode and default to black?</div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: 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; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: 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; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: 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; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">x3d-public mailing list</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: 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; -webkit-text-stroke-width: 0px; text-decoration: none;"><a href="mailto:x3d-public@web3d.org" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">x3d-public@web3d.org</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: 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; -webkit-text-stroke-width: 0px; text-decoration: none;"><a href="http://web3d.org/mailman/listinfo/x3d-public_web3d.org" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">http://web3d.org/mailman/listinfo/x3d-public_web3d.org</a></div></blockquote></div><br></div></body></html>