https://community.graphisoft.com/t5/Project-data-BIM/Window-reveal-surfaces-disappear-in-Host-file-after-reindexing/m-p/712338#M15832 <P>Hello,&nbsp;<BR />I've reindexed the Surfaces of the windows in both the Source and the Target file in order to fix some attributes mishups.<BR />Now (maybe related to that above) all the window reveals appear black in the Target, but good in the Source.&nbsp;<BR />I have not reindexed the brick texture that's supposed to show on the reveal<BR /><BR />Target:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="StefanVidenov_0-1787231793158.png"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/104938i8FCCE1C6AD31145E/image-size/medium?v=v2&amp;px=400" alt="StefanVidenov_0-1787231793158.png" title="StefanVidenov_0-1787231793158.png" /></span></P><P><BR />Host file:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="StefanVidenov_1-1787231819935.png"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/104939i8557E7FEE6625462/image-size/medium?v=v2&amp;px=400" alt="StefanVidenov_1-1787231819935.png" title="StefanVidenov_1-1787231819935.png" /></span></P><P><BR /><BR />Additionally all <STRONG>Niche window</STRONG> objects also decided to turn black. Previously they were set to display the host&nbsp; wall Surface. I managed to fix them by giving them the specific Surface</P><P>&nbsp;</P><P>Any Ideas on how to fix?&nbsp;<BR />Thnak you!&nbsp;</P><P>&nbsp;</P><P><FONT face="courier new,courier" color="grey">Operating system used: <EM>Windows 11 </EM></FONT></P> Thu, 20 Aug 2026 13:18:35 GMT Stefan Videnov 2026-08-20T13:18:35Z https://community.graphisoft.com/t5/Project-data-BIM/Window-reveal-surfaces-disappear-in-Host-file-after-reindexing/m-p/712338#M15832 <P>Hello,&nbsp;<BR />I've reindexed the Surfaces of the windows in both the Source and the Target file in order to fix some attributes mishups.<BR />Now (maybe related to that above) all the window reveals appear black in the Target, but good in the Source.&nbsp;<BR />I have not reindexed the brick texture that's supposed to show on the reveal<BR /><BR />Target:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="StefanVidenov_0-1787231793158.png"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/104938i8FCCE1C6AD31145E/image-size/medium?v=v2&amp;px=400" alt="StefanVidenov_0-1787231793158.png" title="StefanVidenov_0-1787231793158.png" /></span></P><P><BR />Host file:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="StefanVidenov_1-1787231819935.png"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/104939i8557E7FEE6625462/image-size/medium?v=v2&amp;px=400" alt="StefanVidenov_1-1787231819935.png" title="StefanVidenov_1-1787231819935.png" /></span></P><P><BR /><BR />Additionally all <STRONG>Niche window</STRONG> objects also decided to turn black. Previously they were set to display the host&nbsp; wall Surface. I managed to fix them by giving them the specific Surface</P><P>&nbsp;</P><P>Any Ideas on how to fix?&nbsp;<BR />Thnak you!&nbsp;</P><P>&nbsp;</P><P><FONT face="courier new,courier" color="grey">Operating system used: <EM>Windows 11 </EM></FONT></P> Thu, 20 Aug 2026 13:18:35 GMT https://community.graphisoft.com/t5/Project-data-BIM/Window-reveal-surfaces-disappear-in-Host-file-after-reindexing/m-p/712338#M15832 Stefan Videnov 2026-08-20T13:18:35Z