<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Hong,<div class="">As mentioned in the volume morph" help, </div><div class=""><<a href="https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#morph" class="">https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#morph</a>></div><div class=""><br class=""></div><div class="">"the input maps should have the same grids: dimensions, spacing, and numbers of points. Note <b class="">volume resample</b> can be used to make a copy of one map that has the same grid as another."</div><div class=""><br class=""></div><div class="">Here is the "volume resample" help, with explanation that you can lose some resolution from resampling:</div><div class=""><<a href="https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#resample" class="">https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#resample</a>></div><div class=""><br class=""></div><div class="">There is also a "volume add" if you are just trying to put different parts together, rather than morphing:</div><div class=""><<a href="https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#add" class="">https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#add</a>></div><div class=""><br class=""></div><div class="">I hope this helps,</div><div class="">Elaine<br class=""><div class="">-----<br class="">Elaine C. Meng, Ph.D. <br class="">UCSF Chimera(X) team<br class="">Department of Pharmaceutical Chemistry<br class="">University of California, San Francisco<br class=""><br class=""></div><blockquote type="cite" class="">On Aug 18, 2022, at 5:36 PM, HONG ZHAN via ChimeraX-users <<a href="mailto:chimerax-users@cgl.ucsf.edu" class="">chimerax-users@cgl.ucsf.edu</a>> wrote:<br class=""><br class="">Dear user group, <br class=""><br class="">I am trying to do volume morph to transform different parts of a complex into another part of the same complex. Because I did drag and fit each segmented parts, the map positions are no longer the same and I have this error: Map positions are not the same. <br class=""><br class="">Is there a way to do the map morph to transform different map parts in the complex?<br class=""><br class="">Many thanks!<br class="">Hong<br class=""></blockquote><br class=""></div></body></html>