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The "FunctionQuery" page has been changed by GrantIngersoll. http://wiki.apache.org/solr/FunctionQuery?action=diff&rev1=48&rev2=49 -------------------------------------------------- '''Values must be in Radians'''. See the rad() function. Please note Haversine distance has known problems with antipodal values. See the Wikipedia page for details. - Signature: hsin(radius, x1,y1,x2,y2), ghhsin(radius, hash1, hash2) //pre SOLR-1131, the radius was the last value. + Signature: hsin(radius, x1,y1,x2,y2, {true|false}), ghhsin(radius, hash1, hash2) //pre SOLR-1131, the radius was the last value. + If the last value is true, then hsin will convert the input values from degrees to radians. Example: hsin(x, y, 0, 0, 1) - Calculate the haversine distance between the lat/lon 0, 0 and the values in field x,y with a radius of 1.
