<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">solar charts</topic></authority><related type="broader"><topic>charts</topic></related><variant type="other"><topic>charts, solar</topic></variant><variant type="other"><topic>solar chart</topic></variant> <note xml:lang="en"><![CDATA[ Charts that plot the solar azimuth angle, solar altitude angle or solar time. These are used for a variety of purposes including navigation, orientation, or architectural planning. Common solar charts employ an artificial concentric scale of equidistant intervals to calculate solar geometric parameters. ]]></note></mads>