Create check-plotGeomorphCrossSection-alignment.R

misc/check-plotGeomorphCrossSection-alignment.R

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+library(aqp)
+library(sf)
+library(SoilTaxonomy)
+
+# need latest from GH
+library(sharpshootR)
+library(soilDB)
+
+
+##
+bb <- '-120.9725 38.1485,-120.9725 38.2119,-120.8477 38.2119,-120.8477 38.1485,-120.9725 38.1485'
+
+
+
+## assemble AOI polygon into WKT
+wkt <- sprintf('POLYGON((%s))', bb)
+
+## init sf polygon
+# WGS84 GCS
+x <- st_as_sfc(wkt, crs = 4326)
+
+
+## get overlapping map unit keys
+# could also use SDA_query() with more elaborate SQL
+m <- SDA_spatialQuery(x, what = 'mukey')
+
+## compose SQL to return component details for these map unit keys
+# return only:
+# * map units overlapping with BBOX
+# * major components
+# * no misc. areas that might share name with a poorly-named soil series
+sql <- sprintf(
+  "SELECT mukey, cokey, compname, compkind, comppct_r 
+  FROM component 
+  WHERE mukey IN %s 
+  AND majcompflag = 'Yes'
+  AND compkind != 'Miscellaneous area'
+  ", format_SQL_in_statement(as.integer(m$mukey))
+)
+
+## send to SDA, result is a data.frame
+s <- SDA_query(sql)
+
+
+## get OSD morphology + extended summaries 
+osd <- fetchOSD(unique(s$compname), extended = TRUE)
+
+
+## check out results
+str(osd, 1)
+
+
+
+## classic arrangement, using normal (nominal) factors
+SoilTaxonomyDendrogram(
+  osd$SPC, 
+  KST.order = FALSE,
+  y.offset = 0.4, 
+  scaling.factor = 0.015, 
+  cex.taxon.labels = 1, 
+  cex.id = 1,
+  cex.names = 0.85,
+  width = 0.3, 
+  name.style = 'center-center', 
+  depth.axis = list(line = -4),
+  hz.distinctness.offset = 'hzd',
+  max.depth = 200
+)
+
+## arrange according to classification, accounting for order within KST
+## using ordered factors
+SoilTaxonomyDendrogram(
+  spc = osd$SPC, 
+  KST.order = TRUE, 
+  y.offset = 0.4, 
+  scaling.factor = 0.015, 
+  cex.taxon.labels = 1,
+  cex.id = 1,
+  cex.names = 0.9,
+  width = 0.35, 
+  name.style = 'center-center', 
+  depth.axis = list(line = -4),
+  hz.distinctness.offset = 'hzd',
+  max.depth = 200
+)
+
+
+
+
+## updated content, based on latest sharpshootR
+
+# reconcileOSDGeomorph() will perform cross-check between SPC--geomorph summary
+# vizHillslopePosition() makes the cross-section
+
+## notes:
+# * the following functions will nearly always require tinkering with `scaling.factor`
+
+options(.aqp.plotSPC.args = NULL)
+options(.aqp.plotSPC.args = list(width = 0.35, scaling.factor = 0.021, max.depth = 100, cex.id = 0.7))
+
+par(mar = c(0.5, 0, 0, 2), bg = 'black', fg = 'white')
+plotGeomorphCrossSection(osd, type = 'line')
+plotGeomorphCrossSection(osd, type = 'bar')
+
+
+options(.aqp.plotSPC.args = list(width = 0.35, max.depth = 100, cex.id = 0.7))
+plotGeomorphCrossSection(osd, type = 'line', clust = FALSE)
+plotGeomorphCrossSection(osd, type = 'bar', clust = FALSE)
+