Initial commit.

PhotoCalc/server.R

@@ -0,0 +1,28 @@
+#
+# This is the server logic of a Shiny web application. You can run the
+# application by clicking 'Run App' above.
+#
+# Find out more about building applications with Shiny here:
+#
+#    https://shiny.posit.co/
+#
+
+library(shiny)
+
+# Define server logic required to draw a histogram
+function(input, output, session) {
+
+    output$distPlot <- renderPlot({
+
+        # generate bins based on input$bins from ui.R
+        x    <- faithful[, 2]
+        bins <- seq(min(x), max(x), length.out = input$bins + 1)
+
+        # draw the histogram with the specified number of bins
+        hist(x, breaks = bins, col = 'darkgray', border = 'white',
+             xlab = 'Waiting time to next eruption (in mins)',
+             main = 'Histogram of waiting times')
+
+    })
+
+}

PhotoCalc/ui.R

@@ -0,0 +1,33 @@
+#
+# This is the user-interface definition of a Shiny web application. You can
+# run the application by clicking 'Run App' above.
+#
+# Find out more about building applications with Shiny here:
+#
+#    https://shiny.posit.co/
+#
+
+library(shiny)
+
+# Define UI for application that draws a histogram
+fluidPage(
+
+    # Application title
+    titlePanel("Depth of field calculator"),
+
+    # Sidebar with a slider input for number of bins
+    sidebarLayout(
+        sidebarPanel(
+            sliderInput("bins",
+                        "Number of bins:",
+                        min = 1,
+                        max = 50,
+                        value = 30)
+        ),
+
+        # Show a plot of the generated distribution
+        mainPanel(
+            plotOutput("distPlot")
+        )
+    )
+)