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server.R
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server.R
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#######################################################################
# The server-side functions for the drawROI shiny app.
#
# The drawROI app is developed and maintained by Bijan Seyednasrollah.
# The main initial development was done in May to November, 2017.
#
# Most recent release: https://github.com/bnasr/drawROI
#######################################################################
print('Server Page top.')
shinyServer(function(input, output, session) {
printLog(init=T)
showModal(strong(
modalDialog("Please wait for initial configurations ...",
easyClose = F,
fade = T,
size = 's',
style='background-color:#3b3a35; color:#fce319; ',
footer = NULL
)))
options(warn = -1)
rv <- reactiveValues(centers = matrix(numeric(), 0, 2),
MASKs = list(),
slideShow = 0,
nroi = NULL,
ROIs = vector(),
nextROIs = NULL,
sitesList = vector(),
parsedROIList = NULL,
cl = NULL,
LinkedID = 1,
PreviousDayID = NULL,
NextDayID = NULL,
updateBeforeAfter = 0,
newContID = NULL,
shiftsList1 = NULL,
shiftsList2 = NULL,
downloadDir = paste0(gettmpdir(), '/drawROI-',system('whoami', intern=T)),
phenoSites = fromJSON(file = sitesInfoURL)
)
# observeEvent(input$showClearCache,
# if(SHINY_SERVER)updateCheckboxInput(session, inputId = 'showClearCache', value = F)
# )
output$showClearCache <- reactive({
printLog(paste('showClearCache reactive experssion was called.\t'))
as.character(!SHINY_SERVER)
})
observeEvent(input$clearCache, {
printLog(paste('clearCache observed experssion was called.\t'))
file.remove(dir(path = rv$downloadDir, full.names = T))
})
output$cacheDir <- renderUI({
printLog(paste('cacheDir renderUI experssion was called.\t'))
HTML(paste0(strong('Cache: '), rv$downloadDir))
}
)
observeEvent(rv$downloadDir,{
printLog(paste('downloadDir observed experssion was called.\t'))
dir.create(rv$downloadDir, showWarnings = FALSE)
})
autoInvalidate <- reactiveTimer(360000) # was 1000
observe({
printLog(paste('vegTypes initial observed experssion was called.\t'))
vegTypes <- list('AG','DB','EB','EN','DN','GR','MX',
'NV','RF','SH','TN','UN','WL','XX')
names(vegTypes) <- c('Agriculture (AG)',
'Deciduous Broadleaf (DB)',
'Evergreen Broadleaf (EB)',
'Evergreen Needleleaf (EN)',
'Deciduous Needleleaf (DN)',
'Grassland (GR)',
'Mixed Forest (MX)',
'Non-vegetated (NV)',
'Reference Panel (RF)',
'Shrub (SH)',
'Tundra (TN)',
'Understory (UN)',
'Wetland (WL)',
'Other/Canopy (XX)')
updateSelectInput(session, 'vegType', choices = vegTypes)
})
observe({
printLog(paste('openEnd observed experssion was called.\t'))
req(input$maskEndDate)
req(input$maskEndTime)
if(input$openEnd) {
shinyjs::disable('maskEndDate')
shinyjs::disable('maskEndTime')
updateDateInput(session, 'maskEndDate', value = '9999-12-31')
updateTextInput(session, 'maskEndTime', value = '00:00:00')
}else{
shinyjs::enable('maskEndDate')
shinyjs::enable('maskEndTime')
}
})
# ----------------------------------------------------------------------
# imgDT
# ----------------------------------------------------------------------
#TODO see if the siteName runs and what its value is since it causes a
# crash given the conditional panel is based on it.
# print(paste0('Server site name panel: ', input$siteName))
imgDT <- reactive({
printLog(paste('imgDT reactive experssion was called.\t'))
if(input$siteName=='') return()
showModal(strong(
modalDialog(HTML('Loading mid-day list ...'),
easyClose = F,
size = 's',
style='background-color:#3b3a35; color:#fce319; ',
footer = NULL
)))
dummy <- 0
imgDT <- getIMG.DT(input$siteName)
removeModal()
imgDT
})
# ----------------------------------------------------------------------
# Site
# ----------------------------------------------------------------------
observe({
printLog(paste('phenoSitesList observed experssion was called.\t'))
sitesName <- sapply(rv$phenoSites, function(x){x$site})
sitesType <- sapply(rv$phenoSites, function(x){x$site_type})
names(rv$phenoSites) <- sitesName
f <- switch(input$siteType,
'All'=sitesType%in%c('I','II','III'),
'Type I'=sitesType=='I',
'Type II'=sitesType=='II',
'Type III'=sitesType=='III',
'NEON'=grepl('NEON', sitesName),
'SPRUCE'=grepl('spruce', sitesName)&sitesName!='sprucetree')
rv$sitesList <- sitesName[which(sitesName!='HF_Vivotek'&f)]
})
observe({
printLog(paste('rv$sitesList initial observed experssion was called.\t'))
updateSelectInput(session, inputId = 'siteName', choices = c('Select a Site'='', as.list(rv$sitesList)))
})
observeEvent(input$siteName, {
tryCatch({
printLog(paste('input$siteName was changed to:', '\t',input$siteName))
if(input$siteName=='') return()
rv$LinkedID <- 1
rv$updateBeforeAfter <- 0
rv$PreviousDayID <- NULL
rv$NextDayID <- NULL
dummy = 0
updateSelectInput(session, inputId = 'errorSite', selected = input$siteName)
rv$slideShow <- 0
updateSliderInput(session,
inputId = 'contID',
value = 1,
min= min(dayYearIDTable()$ID),
max= max(dayYearIDTable()$ID) )
#TODO Figure out why clTable won't load and kill code if it doesn't
# print(paste0('clipath test: ', testcli, '\n exists: ', file.exists(testcli)))
clt <- clTable()
updateSliderInput(session,
inputId = 'clRange',
value = c(1, nrow(clt)),
min= 1,
max= nrow(clt) )
tmp <- unlist(strsplit(sampleImageName(), '_'))
startDate <- as.Date(paste(tmp[2:4], collapse = '-'))
HHMMSS <- gsub(tmp[5], pattern = '.jpg',replacement = '')
startTime <- paste(substring(HHMMSS, c(1,3,5), c(2,4,6)), collapse = ':')
updateDateInput(session, 'maskStartDate', value = startDate)
updateTextInput(session, inputId = 'maskStartTime', value = startTime)
updateCheckboxInput(session, 'openEnd', value = F)
dmin <- imgDT()[Site==input$siteName, min(Date)]
dmax <- imgDT()[Site==input$siteName, max(Date)]
print(paste0('gotoDate, dmin, dmax: ', dmin, ', ', dmax))
updateDateInput(session, 'gotoDate', value = dmin, min = dmin, max = dmax)
x <- imgDT()[Site==input$siteName, unique(Year)]
if (is.null(x)) x <- character(0)
updateSelectInput(session, "year", choices = x)
updateSelectInput(session, 'roiName', choices = rv$ROIs, selected = 'New ROI')
updateSelectInput(session, 'roiName', selected = 'New ROI')
updateSelectInput(session, 'vegType', selected = 'AG')
updateTextInput(session, 'roiDescription', value = '')
updateTextInput(session, 'roiOwner', value = '')
dummy <- 0
rv$MASKs <- list()
updateSelectInput(session, inputId = 'maskName', choices = 'New mask')
rv$centers <- matrix(numeric(), 0, 2)
rv$curDate <- dayYearIDTable()[ID==1, Date]
}, error = function(err){
print(paste0('Error in clTable'))
}, warning = function(wrn){
print(paste0('Warning in clTable'))
})
})
observe({
tryCatch({
printLog(paste('shiftsList1 reactive experssion was called.\t'))
if(input$siteName=='') return()
clt <- as.data.table(clTable())
dummy <- 0
clt <- clt[blackness<=.8&Haze<=input$hazeThreshold]
# clt[,Group:=rep(1:.N, each=3, length.out=.N)]
# clt[,HzMed:=median(as.double(na.omit(Horizon))),Group]
clt[, dHz := c(diff(Horizon), 0)]
shiftsList1 <- as.Date(clt[abs(dHz)>as.numeric(input$shiftsList1.Threshold), Date])
rv$shiftsList1 <- shiftsList1
updateSelectInput(session, 'shiftsList1', choices = c(Choose='', as.list(shiftsList1)))
}, error = function(err){
print(paste0('Error in observe shiftList1'))
}, warning = function(wrn){
print(paste0('Warning in observe shiftList1'))
})
})
observeEvent(input$shiftsList1,{
tryCatch({
printLog(paste('input$shiftsList1 was changed to:', '\t',input$shiftsList1))
if(input$siteName=='') return()
if(input$shiftsList1=='') return()
rv$slideShow <- 0
dummy <- 1
tmpDT <- dayYearIDTable()
tmpDT[, dif:=abs(Date- as.Date(length(numeric(input$shiftsList1))))]
id <- tmpDT[dif==min(dif), ID]
rv$newContID <- id
rv$updateBeforeAfter <- rv$updateBeforeAfter + 1
}, error = function(err) {
print(paste0("There was an error in drawROI."))
}, warning = function(wrn){
print(paste0("There was a warning in drawROI."))
})
})
observeEvent(rv$newContID,{
printLog(paste('newContID observeEvent experssion was called.\t'))
if(input$siteName=='') return()
updateSliderInput(session, inputId = 'contID', value = rv$newContID)
})
observe({
tryCatch({
printLog(paste('shiftsList2 reactive experssion was called.\t'))
if(input$siteName=='') return()
clt <- as.data.table(clTable())
clt <- clt[blackness<=.8&Haze<=input$hazeThreshold]
shiftsList2 <- as.Date(clt[R < ( as.numeric(input$shiftsList2.Threshold)), Date])
rv$shiftsList2 <- shiftsList2
updateSelectInput(session, 'shiftsList2', choices = c(Choose='', as.list(shiftsList2)))
}, error = function(err){
print(paste0('Error in drawROI'))
}, warning = function(wrn){
print(paste0('Warning in drawROI'))
})
})
observeEvent(input$shiftsList2,{
tryCatch({
printLog(paste('input$shiftsList2 was changed to:', '\t',input$shiftsList2))
if(input$siteName=='') return()
if(input$shiftsList2=='') return()
rv$slideShow <- 0
dummy <- 1
tmpDT <- dayYearIDTable()
tmpDT[, dif:=abs(Date- as.Date(length(numeric(input$shiftsList2))))] # Orig code.
id <- tmpDT[dif==min(dif), ID]
rv$newContID <- id
rv$updateBeforeAfter <- rv$updateBeforeAfter + 1
}, error = function(err){
print(paste0('Error in drawROI Correlation Shifts'))
}, warning = function(wrn){
print(paste0('Warning in drawROI'))
})
})
siteInfo <- reactive({
printLog(paste('siteInfo reactive experssion was called.\t'))
if(input$siteName=='') return()
dummy <- 0
rv$phenoSites[[input$siteName]]
})
observeEvent(input$nextSite, {
printLog(paste('input$nextSite was changed to:', '\t',input$nextSite))
if(input$siteName=='') return()
dummy <- 0
w <- which(rv$sitesList==input$siteName)
wNext <- w + 1
if (w==length(rv$sitesList)) wNext= 1
nextSite <- rv$sitesList[wNext]
updateSliderInput(session, 'contID', value = 1)
updateSelectInput(session, 'siteName', selected = nextSite)
updateSelectInput(session, 'roiName', selected = 'New ROI')
})
observeEvent(input$previousSite, {
printLog(paste('input$previousSite was changed to:', '\t',input$previousSite))
if(input$siteName=='') return()
dummy <- 0
w <- which(rv$sitesList==input$siteName)
wLast <- w - 1
if (w==1) wLast= length(rv$sitesList)
previousSite <- rv$sitesList[wLast]
updateSliderInput(session, 'contID', value = 1)
updateSelectInput(session, 'siteName', selected = previousSite)
updateSelectInput(session, 'roiName', selected = 'New ROI')
})
# ----------------------------------------------------------------------
# Site info
# ----------------------------------------------------------------------
output$tblSiteInfo = renderTable( rownames = T,
colnames = F,
striped = T,
hover = T,
bordered = F,
spacing = 's',
options = list( lengthChange = FALSE),{
printLog(paste('output$tblSiteInfo renderTable experssion was called.\t'))
if(input$siteName=='') return()
dummy <- 1
inf <- siteInfo()
wNULL <- which(sapply(inf, is.null))
for(wi in wNULL)inf[wi] <- 'N.A.'
inf$contact1 <- gsub(inf$contact1, pattern = ' AT ', replacement = '@')
inf$contact2 <- gsub(inf$contact2, pattern = ' AT ', replacement = '@')
inf$contact1 <- gsub(inf$contact1, pattern = ' DOT ', replacement = '.', fixed = T)
inf$contact2 <- gsub(inf$contact2, pattern = ' DOT ', replacement = '.', fixed = T)
dummy <- 1
x <- data.frame(Site = inf$site,
'Site Type' = inf$site_type,
MAT = paste0(inf$MAT_worldclim, ' °C'),
MAP = paste0(inf$MAP_worldclim, ' mm/year'),
'Koeppen Class' = inf$koeppen_geiger,
Latitude = paste0(inf$lat, ' °'),
Longitude = paste0(inf$lon, ' °'),
Elevation = paste0(inf$elev, ' m'),
Descriotion = inf$site_description,
'Primary Vegetation' = inf$primary_veg_type,
Contact1 = inf$contact1,
Contact2 = inf$contact2,
'Start Date'= inf$date_start,
'End Date' = inf$date_end
)
tx <- t(x)
tx
})
# ----------------------------------------------------------------------
# ROIs
# ----------------------------------------------------------------------
roipath <- reactive({
printLog(paste('roipath reactive experssion was called.\t'))
if(input$siteName=='') return()
tmp <- (paste0(mainDataPath, '/data/archive/', input$siteName,'/ROI/'))
return(tmp)
} )
dirroipath <- reactive({
printLog(paste('dirroipath observed experssion was called.\t'))
if(input$siteName=='') return()
# ROIsJSON <- jsonlite::fromJSON(txt = paste0('https://phenocam.sr.unh.edu/webcam/roi/roilistinfo/', input$siteName))
if(is.url(roipath())){
dirHTML(url = roipath(), sitename = input$siteName, pattern = 'roi.csv$')
}
else{
dir(roipath(), pattern = 'roi.csv$')
}
})
observe({
# return()
# autoInvalidate()
if(input$siteName=='') return()
tmp.rv.ROIs <- c(dirroipath(), "New ROI")
if(!identical(rv$ROIs, tmp.rv.ROIs)) {
printLog(paste('dir roi.csv observed experssion was called.\t'))
rv$ROIs <- tmp.rv.ROIs
printLog(paste('rv$ROIs observed experssion was called.\t'))
roiNameSel <- 'New ROI'
# if(length(rv$ROIs)>1) roiNameSel <- rv$ROIs[length(rv$ROIs)-1]
dummy <- 0
updateSelectInput(session, 'roiName', choices = rv$ROIs)
updateSelectInput(session, 'roiName', selected = roiNameSel)
}
}
)
# ----------------------------------------------------------------------
# ROI label
# ----------------------------------------------------------------------
roiLabel <- reactive({
printLog(paste('roiLabel reactive experssion was called.\t'))
if(input$siteName=='') return()
dummy = 0
label <- paste(input$siteName,
input$vegType,
sprintf('%04d',roiID()), sep = '_')
label
}
)
output$roiFileName <- renderText({
printLog(paste('roiFileName renderText experssion was called.\t'))
if(input$siteName=='') return()
if(input$roiName=='New ROI')
paste0(roiLabel(),'_roi.csv')
else
input$roiName
})
observe({
if(input$siteName=='') {
shinyjs::disable('roiName')
shinyjs::disable("vegType")
shinyjs::disable("nextROIID")
shinyjs::disable("roiDescription")
shinyjs::disable("roiOwner")
}else{
shinyjs::enable('roiName')
shinyjs::enable("vegType")
shinyjs::enable("nextROIID")
shinyjs::enable("roiDescription")
shinyjs::enable("roiOwner")
}
})
# ----------------------------------------------------------------------
# Parsed ROI List
# ----------------------------------------------------------------------
observeEvent(input$roiName,{
printLog(paste('input$roiName was changed to:', '\t',input$roiName))
if(input$siteName=='') return()
dummy = 0
rv$slideShow <- 0
nextID <- nextROIID(site = input$siteName, vegType = input$vegType)
# if(identical(rv$nextROIs, nextID)) return()
if(input$roiName=='New ROI') {
rv$nextROIs = nextID
}else{
dummy <- 0
rv$nextROIs = rv$parsedROIList$ID
}
if(input$roiName=='New ROI') {
shinyjs::enable('vegType')
dummy =0
rv$MASKs <- list()
rv$centers <- matrix(numeric(), 0, 2)
updateSelectInput(session, inputId = 'maskName', choices = 'New mask')
updateSelectInput(session, inputId = 'vegType', selected = list('Agriculture (AG)'='AG'))
updateSelectInput(session, inputId = 'roiDescription', selected = '')
updateTextInput(session, inputId = 'roiOwner', value = '')
return()
}
showModal(strong(
modalDialog(HTML('Loading ROI files ...'),
easyClose = F,
size = 's',
style='background-color:#3b3a35; color:#fce319; ',
footer = NULL
)))
shinyjs::disable('vegType')
dummy=0
ROIList <- parseROI(roifilename=input$roiName,
roipath = roipath(),
downloadDir = rv$downloadDir)
if(is.null(ROIList)) return()
rv$parsedROIList <- ROIList
updateSelectInput(session, inputId = 'vegType', selected = rv$parsedROIList$vegType)
updateTextInput(session, inputId = 'roiDescription', value = rv$parsedROIList$Description)
updateTextInput(session, inputId = 'roiOwner', value = rv$parsedROIList$Owner)
dummy=0
rv$MASKs <- rv$parsedROIList$masks
updateSelectInput(session, inputId = 'maskName', choices = c(names(rv$MASKs), 'New mask'))
updateSelectInput(session, inputId = 'year', selected = rv$parsedROIList$masks[[1]]$sampleyear)
updateSelectInput(session, inputId = 'viewDay', selected = rv$parsedROIList$masks[[1]]$sampleday)
dummy =0
removeModal()
})
observe({
printLog(paste('nextROIs observe experssion was called.\t'))
# autoInvalidate()
if(input$siteName=='') return()
nextID <- nextROIID(site = input$siteName, vegType = input$vegType)
if(identical(rv$nextROIs, nextID)) return()
if(input$roiName=='New ROI') {
rv$nextROIs = nextID
}else{
dummy <- 0
rv$nextROIs = rv$parsedROIList$ID
}
})
observeEvent(rv$nextROIs,{
printLog(paste('nextROIs was changed to xxx.\t'))
dummy <- 0
updateSelectInput(session, inputId = 'nextROIID', choices = rv$nextROIs, selected = max(rv$nextROIs))
})
observe({
# printLog(paste('x12 observe experssion was called.\t'))
# autoInvalidate()
if(input$siteName=='') return()
dummy <- 0
template <- paste0(input$siteName, '_', input$vegType)
sameTemplate <- grepl(template, rv$ROIs)
if(sum(sameTemplate)==0)
n <- 1
else
n <- max(
as.numeric(
sapply(
strsplit(
rv$ROIs[sameTemplate], '_'),
function(x)(x[3])
)
)
) + 1
n
if(!identical(n , rv$nroi)) {
printLog(paste('rv$nroi observed experssion was called.\t'))
rv$nroi <- n
}
})
output$nr <- renderText({
printLog(paste('nr renderText experssion was called.\t'))
# autoInvalidate()
if(input$siteName=='') return()
length(dirroipath())
})
observeEvent(input$refreshROI, {
printLog(paste('refreshROI observeEvent experssion was called.\t'))
roiName.now <- input$roiName
if(input$siteName=='') return()
updateSelectInput(session, 'roiName', selected = 'New ROI')
rv$MASKs <- list()
rv$centers <- matrix(numeric(), 0, 2)
updateSelectInput(session, inputId = 'maskName', choices = 'New mask')
# updateSelectInput(session, inputId = 'vegType', selected = list('Agriculture (AG)'='AG'))
updateTextInput(session, 'roiDescription', value = '')
updateTextInput(session, inputId = 'roiOwner', value = '')
})
roiID <- reactive({
printLog(paste('roiID reactive experssion was called.\t'))
if(input$siteName=='') return()
dummy <- 0
if(input$roiName=='New ROI') {
return(as.integer(input$nextROIID))
}
else {
dummy = 0
rv$parsedROIList$ID
}
})
observeEvent(input$nextROIID,{
printLog(paste('input$nextROIID was changed to:', '\t',input$nextROIID))
if(input$siteName=='') return()
dummy <- 0
rv$slideShow <- 0
if(length(rv$MASKs)==0) return()
maskNames <- names(rv$MASKs)
f <- function(x, y){
z <- unlist(strsplit(x, '_'))
paste(c(z[1:2], sprintf('%04d',(y)), z[4]), collapse = '_')
}
newmaskNames <- as.vector(sapply(maskNames, f, y = as.numeric(input$nextROIID)))
if(!is.null(rv$MASKs))names(rv$MASKs) <- newmaskNames
updateSelectInput(session, inputId = 'maskName', choices = c(names(rv$MASKs), 'New mask'))
})
curMask <- reactive({
printLog(paste('curMask reactive experssion was called.\t'))
if(input$siteName=='') return()
if(input$maskName=='New mask') {
return(NULL)
}
rv$MASKs[[input$maskName]]$rasteredMask
})
# ----------------------------------------------------------------------
# MASKs
# ----------------------------------------------------------------------
observeEvent(rv$MASKs,{
printLog(paste('input$MASKs was changed to:', '\t','...'))
if(input$siteName=='') return()
if(length(rv$MASKs)==0) {
shinyjs::disable("downloadROI")
shinyjs::disable("emailROI")
}else{
shinyjs::enable("downloadROI")
shinyjs::enable("emailROI")
}
})
# ----------------------------------------------------------------------
# VegType
# ----------------------------------------------------------------------
observeEvent(input$vegType,{
printLog(paste('input$vegType was changed to:', '\t',input$vegType))
if(input$siteName=='') return()
rv$slideShow <- 0
if(length(rv$MASKs)==0) return()
maskNames <- names(rv$MASKs)
f <- function(x, y){
z <- unlist(strsplit(x, '_'))
paste(c(z[1], y, z[3:4]), collapse = '_')
}
newmaskNames <- as.vector(sapply(maskNames, f, y = input$vegType))
if(!is.null(rv$MASKs))names(rv$MASKs) <- newmaskNames
updateSelectInput(session, inputId = 'maskName', choices = c(names(rv$MASKs), 'New mask'))
})
# ----------------------------------------------------------------------
# Mask start and end time
# ----------------------------------------------------------------------
observeEvent(input$maskStartTime,
{
printLog(paste('input$maskStartTime was changed to:', '\t',input$maskStartTime))
if(input$siteName=='') return()
asText <- input$maskStartTime
asTextNew <- fixFormatTime(asText)
if(asTextNew!=asText) updateTextInput(session, 'maskStartTime', value = asTextNew)
if(input$maskName!='New mask') rv$MASKs[[input$maskName]]$starttime <- asTextNew
})
observeEvent(input$maskEndTime,
{
printLog(paste('input$maskEndTime was changed to:', '\t',input$maskEndTime))
if(input$siteName=='') return()
asText <- input$maskEndTime
asTextNew <- fixFormatTime(asText)
if(asTextNew!=asText) updateTextInput(session, 'maskEndTime', value = asTextNew)
if(input$maskName!='New mask') rv$MASKs[[input$maskName]]$endtime <- asTextNew
})
observeEvent(input$maskStartDate,{
printLog(paste('input$maskStartDate was changed to:', '\t',input$maskStartDate))
if(input$siteName=='') return()
if(input$maskName!='New mask') rv$MASKs[[input$maskName]]$startdate <- input$maskStartDate
})
observeEvent(input$maskEndDate,{
printLog(paste('input$maskEndDate was changed to:', '\t',input$maskEndDate))
if(input$siteName=='') return()
if(input$maskName!='New mask') rv$MASKs[[input$maskName]]$enddate <- input$maskEndDate
})
dayYearIDTable <- reactive({
printLog(paste('dayYearIDTable reactive experssion was called.\t'))
if(input$siteName=='') return()
dummy <- 0
imgDT()[Site==input$siteName,.(ID=1:.N,Year, DOY, Date)]
} )
# ----------------------------------------------------------------------
# Slideshow
# ----------------------------------------------------------------------
observe({
printLog(paste('slideShow observed experssion was called.\t'))
if(input$siteName=='') return()
if(rv$slideShow==0) return()
nextID <- as.numeric(input$contID) + rv$slideShow
if(nextID > max(dayYearIDTable()$ID)) nextID <- 1
if(nextID < 1) nextID <- max(dayYearIDTable()$ID)
dummy <- 0
updateSliderInput(session,
inputId = 'contID',
value = nextID)
})
observeEvent(input$pause, {
printLog(paste('input$pause was changed to:', '\t',input$pause))
if(input$siteName=='') return()
rv$slideShow <- 0
})
observeEvent(input$play, {
printLog(paste('input$play was changed to:', '\t',input$play))
if(input$siteName=='') return()
if(rv$slideShow==0) rv$slideShow <- 1
if(rv$slideShow==-1) rv$slideShow <- 0
})
observeEvent(input$backplay, {
printLog(paste('input$backplay was changed to:', '\t',input$backplay))
if(input$siteName=='') return()
if(rv$slideShow==0) rv$slideShow <- -1
if(rv$slideShow==1) rv$slideShow <- 0
})
observeEvent(input$back, {
printLog(paste('input$back was changed to:', '\t',input$back))
if(input$siteName=='') return()
rv$slideShow <- 0
nextID <- as.numeric(input$contID) - 1
if(nextID > max(dayYearIDTable()$ID)) nextID <- 1
if(nextID == 0) nextID <- max(dayYearIDTable()$ID)
updateSliderInput(session, "contID", value = nextID)
})
observeEvent(input$forw, {
printLog(paste('input$forw was changed to:', '\t',input$forw))
if(input$siteName=='') return()
rv$slideShow <- 0
nextID <- as.numeric(input$contID) + 1
if(nextID > max(dayYearIDTable()$ID)) nextID <- 1
if(nextID == 0) nextID <- max(dayYearIDTable()$ID)
updateSliderInput(session, "contID", value = nextID)
})
# ----------------------------------------------------------------------
# CL Image
# ----------------------------------------------------------------------
clImage <- reactive({
printLog(paste('clImage reactive experssion was called.\t'))
if(input$siteName=='') return()
paste0(mainDataPath, '/data/archive/', input$siteName, '/ROI/', input$siteName, '-cli.jpg')
}
)
clTable <- reactive({
tryCatch({
printLog(paste('clTable reactive experssion was called.\t'))
if(input$siteName=='') return()
showModal(strong(
modalDialog(HTML('Loading CenterLine table ...'),
easyClose = F,
size = 's',
style='background-color:#3b3a35; color:#fce319; ',
footer = NULL
)))
cltpath <- paste0(mainDataPath, '/data/archive/', input$siteName, '/ROI/', input$siteName, '-cli.txt')
# cltpath <- 'bad.txt'
# printLog(paste('cltpath: ', cltpath))
cltpath <- tryDownload(cltpath, downloadDir = rv$downloadDir, Update = T)
clt <- read.csv(cltpath)
printLog(paste('cltpath: ', cltpath))
clt <- as.data.table(clt)
clt[,CLID:=1:.N]
clt[,Date:= as.Date(Date)]
# okay <- which(clt$Haze<=input$hazeThreshold|clt$blackness<=.8)
# clt$Horizon[-okay] <- NA
# clt$R[-okay] <- NA
clt$Horizon <- getNAfromLast(clt$Horizon)
clt$R <- getNAfromLast(clt$R)
# clt$HorizonD5 <- c(clt$Horizon[-(1:5)], rep(NA, 5)) - clt$Horizon
clt[Haze>1,Haze:=1]
clt[Haze<0,Haze:=0]
removeModal()
as.data.frame(clt)
}, error = function(err){
print(paste0('Error in clTable.'))
}, warning = function(wrn) {
print(paste0('Warning in clTable'))
})
} )
observeEvent(input$clPoint, {
dummy <- 0
printLog(paste('input$clPoint was updated with:', '\t',input$clPoint$x, input$clPoint$y))
if(input$siteName=='') return()
tbl <- as.data.table(clTable())
clDate <- as.Date(tbl$Date[ceiling(input$clPoint$x)])
tmpDT <- dayYearIDTable()
tmpDT[, dif:=abs(Date - clDate)]
id <- tmpDT[dif==min(dif), ID]
updateSliderInput(session, inputId = 'contID', value = id)
})
# ----------------------------------------------------------------------
# Sample Image
# ----------------------------------------------------------------------
sampleImage <- reactive({
printLog(paste('sampleImage reactive experssion was called.\t'))
if(input$siteName=='') return()
imgDT()[Site==input$siteName&Year==yearID()&DOY==doyID(), path][1]
} )
sampleImageSize <- reactive({
printLog(paste('sampleImageSize reactive experssion was called.\t'))
if(input$siteName=='') return()
smpl <- sampleImage()
smpl <- tryDownload(smpl, downloadDir = rv$downloadDir, Update = F)
dim(readJPEG(smpl))[2:1]
})
sampleImageName <- reactive({
printLog(paste('sampleImageName reactive experssion was called.\t'))
if(input$siteName=='') return()
tmp <- unlist(strsplit(sampleImage(), split = '/'))
tmp[length(tmp)]
})
output$sampleImagePath <- renderText({
printLog(paste('sampleImagePath renderText experssion was called.\t'))
sampleImageName()
}
)
observeEvent(input$matchStart, {
printLog(paste('input$matchStart was changed to:', '\t',input$matchStart))
if(input$siteName=='') return()
tmp <- unlist(strsplit(sampleImageName(), '_'))
startDate <- as.Date(paste(tmp[2:4], collapse = '-'))
HHMMSS <- gsub(tmp[5], pattern = '.jpg',replacement = '')
startTime <- paste(substring(HHMMSS, c(1,3,5), c(2,4,6)), collapse = ':')
# updateDateRangeInput(session, inputId = 'roiDateRange', start = startDate)
updateDateInput(session, 'maskStartDate', value = startDate)
updateTextInput(session, inputId = 'maskStartTime', value = startTime)
})