<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Yes. In fact all that is done with the new_region() routine. (set step with the ijk_step argument, eg. ijk_step = (2,2,2). Set plane number by setting ijk_min, ijk_max to show one plane). <div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 5, 2017, at 12:00 PM, Dougherty, Matthew T <<a href="mailto:matthewd@bcm.edu" class="">matthewd@bcm.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">thx</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">is volume.py where I would find how to change step size, plane number & depth?</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div id="Signature" class=""><div id="divtagdefaultwrapper" style="font-size: 12pt; background-color: rgb(255, 255, 255); font-family: Calibri, Arial, Helvetica, sans-serif;" class=""><div class="BodyFragment"><font size="2" class=""><div class="PlainText">Matthew Dougherty<br class="">National Center for Macromolecular Imaging<br class="">Baylor College of Medicine<br class=""><span style="font-size: 13pt; font-family: Calibri;" class="">=================================================</span><br class=""></div><div class="PlainText"><span style="font-size: 13pt; font-family: Calibri;" class="">=================================================</span><span style="font-size: 13pt; font-family: Calibri;" class=""><br class=""></span></div></font></div></div></div></div><hr tabindex="-1" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; display: inline-block; width: 754.59375px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; float: none; display: inline !important;" class=""></span><div id="divRplyFwdMsg" dir="ltr" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font face="Calibri, sans-serif" style="font-size: 11pt;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>Tom Goddard <<a href="mailto:goddard@sonic.net" class="">goddard@sonic.net</a>><br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Wednesday, April 5, 2017 11:41:35 AM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>Dougherty, Matthew T<br class=""><b class="">Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:chimera-dev@cgl.ucsf.edu" class="">chimera-dev@cgl.ucsf.edu</a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [chimera-dev] programming question: volume display</font><div class=""> </div></div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><font size="2" class=""><b class="">***CAUTION:*** This email is not from a BCM Source. Only click links or open attachments you know are safe.</b></font><hr class="">To change the region bounds of a volume v in Python:<div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>v.new_region((0,0,0), (50,60,70))</div><div class=""><br class=""></div><div class="">Here’s the Python declaration in chimera/share/VolumeViewer/volume.py where the Volume class is defined.<br class=""><div class=""><br class=""></div><div class=""><div class=""> def new_region(self, ijk_min = None, ijk_max = None, ijk_step = None,</div><div class=""> show = True, adjust_step = True, save_in_region_queue = True):</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>Tom</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div class="">On Apr 4, 2017, at 3:58 PM, Dougherty, Matthew T <<a href="mailto:matthewd@bcm.edu" class="">matthewd@bcm.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" class="" style="font-style: normal; font-variant-caps: normal; font-weight: normal; 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; font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif;"><div class="" style="margin-top: 0px; margin-bottom: 0px;">I am trying to modify the region bounds of the volume viewer using python.</div><div class="" style="margin-top: 0px; margin-bottom: 0px;">What module should I be looking at to determine the api calls?</div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><br class=""></div><div class="" style="margin-top: 0px; margin-bottom: 0px;">thanks, </div><div class="" style="margin-top: 0px; margin-bottom: 0px;"><br class=""></div><div id="Signature" class=""><div id="divtagdefaultwrapper" class="" style="font-size: 12pt; background-color: rgb(255, 255, 255); font-family: Calibri, Arial, Helvetica, sans-serif;"><div class="BodyFragment"><font size="2" class=""><div class="PlainText">Matthew Dougherty<br class="">National Center for Macromolecular Imaging<br class="">Baylor College of Medicine<br class=""><span class="" style="font-size: 13pt; font-family: Calibri;">=================================================</span><br class=""></div><div class="PlainText"><span class="" style="font-size: 13pt; font-family: Calibri;">=================================================</span><span class="" style="font-size: 13pt; font-family: Calibri;"><br class=""></span></div></font></div></div></div></div><span class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; float: none; display: inline !important;">_______________________________________________</span><br class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; 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