Re: What determines #1 and #2 values (with &) for ContourLabels?

*To*: mathgroup at smc.vnet.net*Subject*: [mg87296] Re: [mg87269] What determines #1 and #2 values (with &) for ContourLabels?*From*: Carl Woll <carlw at wolfram.com>*Date*: Mon, 7 Apr 2008 05:15:09 -0400 (EDT)*References*: <200804061042.GAA14384@smc.vnet.net>

mr.pajenn at gmail.com wrote: >Here's the example of a ContourPlot: > >{i = 0, j = 0}; > >ContourPlot[{x == 4 + y/4, y == 2 + x/2}, {x, 0, 10}, {y, 0, 10}, > ContourLabels -> (Text[#3, {val1[i += 1] = #1, val2[j += 1] = #2}] >&)] > >Print[{val1[1], val2[1], val1[2], val2[2]}] > >The output is a basic plot with two lines, and I've set it to record >and print the values of #1 and #2 arguments, which are: >val1[1] = 6.4857 >val2[1] = 9.9429 >val1[2] = 0.095238 >val2[2] = 2.0476 > >I'd like to know where those values came from so that I can apply the >#1 and #2 arguments intelligibly. > >Thanks in advance. > > > From the help for ContourLabels: ContourLabels->f specifies that the label for each contour should be f[x,y,z]. So, #1 is x, #2 is y, and #3 is z. Carl Woll Wolfram Research

**References**:**What determines #1 and #2 values (with &) for ContourLabels?***From:*mr.pajenn@gmail.com