{VERSION 2 3 "IBM INTEL NT" "2.3" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 }{CSTYLE "2D Math" -1 2 "Times" 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 }{CSTYLE "Hyperlink" -1 17 "" 0 1 0 128 128 1 0 0 1 0 0 0 0 0 0 } {CSTYLE "2D Comment" 2 18 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }{CSTYLE " " 0 21 "" 0 1 0 0 0 1 0 0 0 0 2 0 0 0 0 }{CSTYLE "Help Heading" -1 26 "" 1 14 0 0 0 0 0 1 0 0 0 0 0 0 0 }{CSTYLE "Help Normal" -1 30 "Times " 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Heading 1" 0 3 1 {CSTYLE "" -1 -1 "" 1 18 0 0 0 0 0 1 0 0 0 0 0 0 0 }1 0 0 0 6 6 0 0 0 0 0 0 -1 0 }{PSTYLE "Bullet Item" 0 15 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }0 0 0 -1 3 3 0 0 0 0 0 0 15 2 }} {SECT 0 {SECT 0 {PARA 0 "" 0 "" {TEXT 26 10 "Function: " }{TEXT 30 56 "arrow3d - plot an arrow as a line with a pyramidal head." }}{PARA 0 " " 0 "" {TEXT 26 17 "Calling sequence:" }{TEXT -1 1 " " }}{PARA 0 "" 0 "" {MPLTEXT 0 21 19 "arrow3d(base,vect);" }{TEXT -1 1 "\n" }{TEXT 26 11 "Parameters:" }{TEXT -1 1 " " }}{PARA 0 "" 0 "" {TEXT -1 3 " " } {MPLTEXT 0 21 4 "base" }{TEXT -1 50 " - base of the arrow, a 3D point \+ ( list or vector)" }}{PARA 0 "" 0 "" {TEXT -1 3 " " }{MPLTEXT 0 21 4 "vect" }{TEXT -1 57 " - displacement (tip - base), a 3D point (list \+ or vector)" }}{PARA 0 "" 0 "" {TEXT -1 23 " Optional arguments: " }} {PARA 15 "" 0 "" {MPLTEXT 0 21 13 " scalefactor=" }{TEXT -1 1 " " } {XPPEDIT 18 0 "s" "I\"sG6\"" }{TEXT -1 37 " to multiply length by real constant " }{XPPEDIT 18 0 "s" "I\"sG6\"" }{TEXT -1 1 "." }}{PARA 15 " " 0 "" {MPLTEXT 0 21 11 " thickness=" }{TEXT -1 1 " " }{XPPEDIT 18 0 " n" "I\"nG6\"" }{TEXT -1 34 " for thickness of the arrow stem (" } {XPPEDIT 18 0 "n" "I\"nG6\"" }{TEXT -1 39 " should be 0, 1, 2 or 3, de fault is 3)." }}{PARA 15 "" 0 "" {TEXT -1 3 " " }{MPLTEXT 0 21 7 "co lour=" }{TEXT -1 1 " " }{XPPEDIT 18 0 "c" "I\"cG6\"" }{TEXT -1 42 " to specify arrow colour (default is red)." }}{PARA 15 "" 0 "" {TEXT -1 24 " other 3D plot options" }}}{SECT 0 {PARA 3 "" 0 "" {TEXT 26 12 " Description:" }}{PARA 15 "" 0 "" {TEXT -1 84 "This function creates a \+ 3D plot data object which, when displayed, is an arrow from " } {MPLTEXT 0 21 4 "base" }{TEXT -1 4 " to " }{MPLTEXT 0 21 9 "base+vect " }{TEXT -1 5 " (or " }{MPLTEXT 0 21 11 "base+s*vect" }{TEXT -1 16 " i f the option " }{MPLTEXT 0 21 13 "scalefactor=s" }{TEXT -1 16 " is sp ecified). " }}{PARA 15 "" 0 "" {TEXT -1 18 "For an arrow from " } {MPLTEXT 0 21 4 "base" }{TEXT -1 4 " to " }{MPLTEXT 0 21 3 "tip" } {TEXT -1 6 ", use " }{MPLTEXT 0 21 22 "arrow3d(base,tip-base)" }{TEXT -1 1 "." }}{PARA 15 "" 0 "" {TEXT -1 18 "Unless the option " } {MPLTEXT 0 21 19 "scaling=constrained" }{TEXT -1 127 " (\"Projection, \+ Constrained\" on the plot menu or \"1-1\" on the context bar) is used, the shape of the arrowhead may be distorted." }}{PARA 15 "" 0 "" {TEXT -1 43 "While it is mainly provided for use by the " }{MPLTEXT 0 21 10 "surfarrows" }{TEXT -1 5 " and " }{MPLTEXT 0 21 10 "curvarrows" }{TEXT -1 131 " functions, this function can be used on its own. Its \+ result would usually be combined with other plot structures by the fun ction " }{MPLTEXT 0 21 7 "display" }{TEXT -1 10 " from the " } {MPLTEXT 0 21 5 "plots" }{TEXT -1 9 " package." }}{PARA 15 "" 0 "" {TEXT -1 37 "This function is part of the package " }{MPLTEXT 0 21 8 " surfarro" }{TEXT -1 85 " in the Maple Advisor Database library, and mu st be loaded before use by the command " }{MPLTEXT 0 21 15 "with(surfa rro);" }{TEXT -1 4 " or " }{MPLTEXT 0 21 23 "with(surfarro,arrow3d);" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{SECT 0 {PARA 3 "" 0 "" {TEXT 26 9 "Examples:" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 23 "with(surfarro, arrow3d):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 291 "a1:= arrow3d( [0,0,0],[1,0,1]):\na2:= arrow3d([1,0,1],[0,1,1]-[1,0,1], colour=green) :\na3:= arrow3d([0,1,1], vector([0,-1,-1]), scalefactor=1/2):\na4:= \+ arrow3d([0,0,0],[0,1/2,1/2], colour=blue, thickness=2):\nplots[displ ay](\{a1,a2,a3,a4\},scaling=constrained, axes=box,orientation=[60,12 0]);" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 9 "See also:" }{TEXT -1 1 " " }{HYPERLNK 17 "arrow2d" 2 "arro w2d" "" }{TEXT -1 3 ", " }{HYPERLNK 17 "curvarrows" 2 "curvarrows" " " }{TEXT -1 2 ", " }{HYPERLNK 17 "surfarrows" 2 "surfarrows" "" } {TEXT -1 2 ", " }{HYPERLNK 17 "display" 2 "plots,display" "" }}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 22 "Maple Advisor Database" }{TEXT -1 18 " \+ R. Israel, 1998\n" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{MARK "2 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 }