Plot Amp in Al6 - Fe3+Ti+Cr space. For amp_simakin.
Reference | |
Data | mineral |
Input | wtp |
source('recalc_amp_13ecnk.r'); classifydiag.amp_al_feticr <- function (wtp_data, annotate=T, ...){ ds <- selectNames(recalc.amp_13ecnk(wtp_data), c("Name", "Al_c6_pfu", "Fe_p3_pfu", "Ti_C_pfu", "Cr_C_pfu")); pts <- data.frame(Name=ds$Name, X=ds$Fe_p3_pfu + ds$Ti_C_pfu + ds$Cr_C_pfu, Y=ds$Al_c6_pfu); ds$P <- 16.051*(1.8*ds$Al_c6_pfu/(1.8-ds$Fe_p3_pfu-ds$Ti_C_pfu-ds$Cr_C_pfu))-7.819; maxpoint <- ds[ds$P == max(ds$P),] spoints <- ds[maxpoint$P-ds$P < 1,] model <- lm(Al_c6_pfu~(Fe_p3_pfu+Ti_C_pfu+Cr_C_pfu),spoints) mb <- model$coefficients[1] mk <- model$coefficients[2] limits <- c(0,2,-1,2); scale <- 1.8/(1.8 - (maxpoint$Fe_p3_pfu + maxpoint$Ti_C_pfu + maxpoint$Cr_C_pfu)) mpX <- maxpoint$Fe_p3_pfu + maxpoint$Ti_C_pfu + maxpoint$Cr_C_pfu mpY <- maxpoint$Al_c6_pfu marks <- data.frame(Label=c("Key point\n(1.8,0)", paste0("PmaxLine\n P_max=",format(round(max(ds$P), 1), nsmall = 1) ), paste0("PmeanLine\n P_mean=",format(round(mean(spoints$P), 1), nsmall = 1))), X=c(1.8 , 0 , 0), Y=c(0.0, scale*mpY+0.2, mb-0.2)); lines <- data.frame(X1 = c(mpX, 0, 0), Y1 = c(mpY, scale*mpY, mb), X2 = c(1.8, mpX, 1.8), Y2 = c(0, mpY, mk*1.8+mb)); labels <- c("Fe3+Ti+Cr", "Al6"); ret <- c(); ret$type <- "diagram"; ret$points <- pts; ret$limits <- limits; ret$lines <- lines; ret$marks <- marks; ret$labels <- labels; return(ret); }