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

*To*: mathgroup at smc.vnet.net*Subject*: [mg87345] Re: What determines #1 and #2 values (with &) for ContourLabels?*From*: mr.pajenn at gmail.com*Date*: Tue, 8 Apr 2008 05:37:18 -0400 (EDT)*References*: <fta9i4$e62$1@smc.vnet.net> <ftcovh$ktr$1@smc.vnet.net>

I'm trying to understand how #1 and #2 values are chosen because they often position the labels badly for certain types of contour plots (straight lines or curves for example), so I want to offset them slightly, but I first need to know what the values will be first. On Apr 7, 5:19 am, dh <d... at metrohm.ch> wrote: > Hi, > > the manual says: ContourLabels->f specifies that the label for each > > contour should be f[x,y,z]. But I could nowhere find the meaning of > > x,y,z. By trying I found that x and y are the coordinates of the > > position where ContourPlot would like to place the label. And z is > > either the equation given to ContourPlot or the value of the contour > > line if a function is spezified. > > hope this helps, Daniel > > mr.paj... 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.