TidZddlmZddlmZddlmZejdZde de de fd Z de fd Z d e de fd Zddedede fdZddede ddfdZdS)z units.py -------------- Deal with physical unit systems (i.e. inches, mm) Very basic conversions, and no requirement for sympy.physics.units or pint. ) resources)log)Geometryzunits_to_inches.jsoncurrentdesiredreturnct|t|z S)af Calculate the conversion from one set of units to another. Parameters --------- current : str Unit system values are in now (eg 'millimeters') desired : str Unit system we'd like values in (eg 'inches') Returns --------- conversion : float Number to multiply by to put values into desired units )to_inchstriplower)rrs G/DATA/AppData/hermes/venv/lib/python3.11/site-packages/trimesh/units.pyunit_conversionrsG" 7==??((** + +ggmmoo6K6K6M6M.N.N NNcNttS)z Return a set containing all currently valid units. Returns -------- keys All units with conversions i.e. {'in', 'm', ...} )set_lookupkeysrr rr&s w||~~  runitcvt|d}||S |d\}}t|t |zS#t $r}d|d|d}Yd}~nd}~wwxYwt|)ax Calculate the conversion to an arbitrary common unit. Parameters ------------ unit Either a key in `units_to_inches.json` or in the simple `{float} * {str}` form, i.e. "1.2 * meters". We don't support arbitrary `eval` of any math string Returns ---------- conversion Factor to multiply by to get to an `inch` system. N*z:arbitrary units must be in the form "1.21 * meters", not "z" ())rgetr r splitfloat BaseException ValueError)rlookupvaluekeyEmessages r r r 2s"[[++--t 4 4F   ZZ__ ssyy{{#eEll22     W V VRS V V V  W  sAB B) B$$B)Tobjguessct|jddg}|j||jj|D]}||dddd}dD]}||d}dd|D}| D]}|tvr|ccS|std tj d t|jd krd Sd S)a9 Try to extract hints from metadata and if that fails guess based on the object scale. Parameters ------------ obj A geometry object. guess If metadata doesn't have units make a "best guess" Returns ------------ units A guess of what the units might be nameNunits rz_-.c3"K|] }|dv|V dS) 0123456789Nr).0cs r z&units_from_metadata..ss,@@Q!<*?*?q*?*?*?*?@@rz"No units and not allowed to guess!zno units: guessing from scalegY@ millimetersinches)metadatarsourceappend file_namer replacejoinr rrrrdebugrscale)r#r$hintshintdelimhs r units_from_metadatar=TsU&\  fd + + ,E z SZ)***   < zz||##GS1199&#FF , ,E<<s++DDww@@$@@@@@##%%  AG||  ?=>>> I-... SY%}xrFNc|jt|||_tjd|j|t |j|}||||_dS)a{ Given an object with scale and units try to scale to different units via the object's `apply_scale`. Parameters --------- obj : object With apply_scale method (i.e. Trimesh, Path2D, etc) desired : str Units desired (eg 'inches') guess: bool Whether we are allowed to guess the units if they are not specified. N)r$zconverting units from %s to %s)r'r=rr7r apply_scale)r#rr$ conversions r _convert_unitsrAsi y(5999 I. 7CCC G44JOOJCIIIr)T)F)__doc__r)r constantsrparentrget_jsonrstrrrrrr boolr=rArrr rHs1 ) 3 4 4OSO3O5OOOO( c    #%D00X0d0c0000f3r