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);
}