How to create html table including images with R (via relative path or inserted

How to create html table including images with R (via relative path or inserted - base64)?

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I found a solution to this in the past and still using it but I never looked for something else. I would like to share this one and get some feedback from the community about this and if better solution exists.

Actually my next idea on this is to implement selection tool a bit like editableCell. I actuallz could do it but the main raison to use this would be to use copy paste to paste the picture somewhere else as they are positioned. Unfortunately it does not copy the picture.

I have a list of jpeg with a specific name:

   010003000Color3_0.jpg

   010003000Color3_1.jpg

   010003000Color3_2.jpg

I need to get the information from those names are create a grid of those pictures depending on the information contained.

E.g. here I have a name corresponding to _.jpg

Here the complete code, I let you go through it. Read the comments that are partly explaining it.

  # Setup -------------------------------------------------------------------





    library(data.table)

    library(dplyr)

    library(tableHTML)

    library(knitr)

    wd <- "C:/Users/gravier/Downloads/Example_Yann_Html/Jpeg"







  # Function ----------------------------------------------------------------







    addimgbalise <- function(vect, pisize=200) {

      # to add a html balise with a pixel size for the image

      vect <- paste0("<img src='", vect,"' width=", pisize, "/>")

      return(vect)



    }



    write.html.link <- function(data,

                                filename,

                                caption = filename,

                                wdfunction,

                                color.bg = "#00000",

                                color.line = "#b4bac4",

                                color.text = "#b4bac4",

                                font.size = "8px",

                                font.family = "Arial",

                                text.align = "center") {



      # permit to write a html table with a local link to click





      tabhtml <- tableHTML(data,

                           rownames = FALSE,

                           caption = caption,

                           theme="default") %>%

        add_css_table(css = list('border', color.line)) %>%

        add_css_table(css = list('text-align', text.align)) %>%

        add_css_table(css = list('font-family', font.family)) %>%

        add_css_table(css = list('font-size', font.size)) %>%

        add_css_table(css = list('color', color.text))



      write_tableHTML(tabhtml, file = paste0(wdfunction, "/", filename, ".html"))

      # unfortunately write_tableHTML has been changed in the past and is not write the '<' '>' characters of the addimgbalise function, so we have to read again the html and exchange those characters again

      temp <- suppressWarnings(readLines(paste0(wdfunction, "/", filename, ".html")))

      temp <- gsub( ">", ">", temp)

      temp <-  gsub( "<", "<", temp)

      temp <- c("<body bgcolor='", color.bg, "'>", temp)

      writeLines(temp, paste0(wdfunction, "/", filename, ".html"))



    }







  # Parameters (where in function normally, but I detail the process --------









    patternlist <- ".jpg"

    regexjpeg <- "([0-9]*)(.*)_(.*)" # this the regex expression regarding the name of the files

    regexposID <- "\1" # position of the different variable I want to extract from the name

    regexposWhat <- "\2"

    regexposField <- "\3"

    regexposZ <- "\3"

    formulaPV <- "row+Field~col+What" # then the dcast formula regarding how to arrange the pictures

    pixelimg <- 150 # size in html but the picture are kept of real resolution so you can zoom

    base64 <-  F





    listimg<- data.table(path = list.files(wd, full.names = T))

    listimg[, ID := gsub(paste0(regexjpeg, patternlist), regexposID, basename(path))]

    listimg[, What := gsub(paste0(regexjpeg, patternlist), regexposWhat, basename(path))]

    listimg[, Field := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposField, basename(path)))]

    listimg[, Z := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposZ, basename(path)))]

    listimg[, row := LETTERS[as.numeric(substr(ID, 1, 3))]]

    listimg[, col := as.numeric(substr(ID, 4, 6))]



    if( base64 ) {

      for(i in 1:nrow(listimg) ) {

        listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

      }

    } else {

      listimg[, code := paste0(addimgbalise(path, pixelimg), "n", row, col, "-", Field, "-", What)]

    }



    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))







  # Some other example ------------------------------------------------------



    formulaPV <- "row+Field+What~col" # then the dcast formula regarding how to arrange the pictures

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)

    write.html.link(data = listimg3, filename = "Picture_grid_other_formula", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))



    # base64

    for(i in 1:nrow(listimg) ) {

      listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

    }

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid_base64", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))

The final result is like this:

enter image description here

edited Nov 10 at 20:45

asked Nov 9 at 16:18

Dorian Grv

7915

Stack Overflow is a question and answer site. You are welcome to answer your own question below ("questions" should not contain answers), but make sure your initial post starts off with a specific question. Then the community can vote on the different solutions and offer their own.
– MrFlick
Nov 9 at 16:23

this'd make a great blog post, tho.
– hrbrmstr
Nov 9 at 18:07

Totally right :) I changed it the explanation and the title. I would like to get some feedback from other people or other solutions.
– Dorian Grv
Nov 10 at 20:45

add a comment |

up vote
0
down vote

favorite

I have a list of jpeg with a specific name:

   010003000Color3_0.jpg

   010003000Color3_1.jpg

   010003000Color3_2.jpg

I need to get the information from those names are create a grid of those pictures depending on the information contained.

E.g. here I have a name corresponding to _.jpg

Here the complete code, I let you go through it. Read the comments that are partly explaining it.

  # Setup -------------------------------------------------------------------





    library(data.table)

    library(dplyr)

    library(tableHTML)

    library(knitr)

    wd <- "C:/Users/gravier/Downloads/Example_Yann_Html/Jpeg"







  # Function ----------------------------------------------------------------







    addimgbalise <- function(vect, pisize=200) {

      # to add a html balise with a pixel size for the image

      vect <- paste0("<img src='", vect,"' width=", pisize, "/>")

      return(vect)



    }



    write.html.link <- function(data,

                                filename,

                                caption = filename,

                                wdfunction,

                                color.bg = "#00000",

                                color.line = "#b4bac4",

                                color.text = "#b4bac4",

                                font.size = "8px",

                                font.family = "Arial",

                                text.align = "center") {



      # permit to write a html table with a local link to click





      tabhtml <- tableHTML(data,

                           rownames = FALSE,

                           caption = caption,

                           theme="default") %>%

        add_css_table(css = list('border', color.line)) %>%

        add_css_table(css = list('text-align', text.align)) %>%

        add_css_table(css = list('font-family', font.family)) %>%

        add_css_table(css = list('font-size', font.size)) %>%

        add_css_table(css = list('color', color.text))



      write_tableHTML(tabhtml, file = paste0(wdfunction, "/", filename, ".html"))

      # unfortunately write_tableHTML has been changed in the past and is not write the '<' '>' characters of the addimgbalise function, so we have to read again the html and exchange those characters again

      temp <- suppressWarnings(readLines(paste0(wdfunction, "/", filename, ".html")))

      temp <- gsub( ">", ">", temp)

      temp <-  gsub( "<", "<", temp)

      temp <- c("<body bgcolor='", color.bg, "'>", temp)

      writeLines(temp, paste0(wdfunction, "/", filename, ".html"))



    }







  # Parameters (where in function normally, but I detail the process --------









    patternlist <- ".jpg"

    regexjpeg <- "([0-9]*)(.*)_(.*)" # this the regex expression regarding the name of the files

    regexposID <- "\1" # position of the different variable I want to extract from the name

    regexposWhat <- "\2"

    regexposField <- "\3"

    regexposZ <- "\3"

    formulaPV <- "row+Field~col+What" # then the dcast formula regarding how to arrange the pictures

    pixelimg <- 150 # size in html but the picture are kept of real resolution so you can zoom

    base64 <-  F





    listimg<- data.table(path = list.files(wd, full.names = T))

    listimg[, ID := gsub(paste0(regexjpeg, patternlist), regexposID, basename(path))]

    listimg[, What := gsub(paste0(regexjpeg, patternlist), regexposWhat, basename(path))]

    listimg[, Field := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposField, basename(path)))]

    listimg[, Z := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposZ, basename(path)))]

    listimg[, row := LETTERS[as.numeric(substr(ID, 1, 3))]]

    listimg[, col := as.numeric(substr(ID, 4, 6))]



    if( base64 ) {

      for(i in 1:nrow(listimg) ) {

        listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

      }

    } else {

      listimg[, code := paste0(addimgbalise(path, pixelimg), "n", row, col, "-", Field, "-", What)]

    }



    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))







  # Some other example ------------------------------------------------------



    formulaPV <- "row+Field+What~col" # then the dcast formula regarding how to arrange the pictures

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)

    write.html.link(data = listimg3, filename = "Picture_grid_other_formula", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))



    # base64

    for(i in 1:nrow(listimg) ) {

      listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

    }

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid_base64", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))

The final result is like this:

enter image description here

edited Nov 10 at 20:45

asked Nov 9 at 16:18

Dorian Grv

7915

Stack Overflow is a question and answer site. You are welcome to answer your own question below ("questions" should not contain answers), but make sure your initial post starts off with a specific question. Then the community can vote on the different solutions and offer their own.
– MrFlick
Nov 9 at 16:23

this'd make a great blog post, tho.
– hrbrmstr
Nov 9 at 18:07

Totally right :) I changed it the explanation and the title. I would like to get some feedback from other people or other solutions.
– Dorian Grv
Nov 10 at 20:45

add a comment |

up vote
0
down vote

favorite

I have a list of jpeg with a specific name:

   010003000Color3_0.jpg

   010003000Color3_1.jpg

   010003000Color3_2.jpg

I need to get the information from those names are create a grid of those pictures depending on the information contained.

E.g. here I have a name corresponding to _.jpg

Here the complete code, I let you go through it. Read the comments that are partly explaining it.

  # Setup -------------------------------------------------------------------





    library(data.table)

    library(dplyr)

    library(tableHTML)

    library(knitr)

    wd <- "C:/Users/gravier/Downloads/Example_Yann_Html/Jpeg"







  # Function ----------------------------------------------------------------







    addimgbalise <- function(vect, pisize=200) {

      # to add a html balise with a pixel size for the image

      vect <- paste0("<img src='", vect,"' width=", pisize, "/>")

      return(vect)



    }



    write.html.link <- function(data,

                                filename,

                                caption = filename,

                                wdfunction,

                                color.bg = "#00000",

                                color.line = "#b4bac4",

                                color.text = "#b4bac4",

                                font.size = "8px",

                                font.family = "Arial",

                                text.align = "center") {



      # permit to write a html table with a local link to click





      tabhtml <- tableHTML(data,

                           rownames = FALSE,

                           caption = caption,

                           theme="default") %>%

        add_css_table(css = list('border', color.line)) %>%

        add_css_table(css = list('text-align', text.align)) %>%

        add_css_table(css = list('font-family', font.family)) %>%

        add_css_table(css = list('font-size', font.size)) %>%

        add_css_table(css = list('color', color.text))



      write_tableHTML(tabhtml, file = paste0(wdfunction, "/", filename, ".html"))

      # unfortunately write_tableHTML has been changed in the past and is not write the '<' '>' characters of the addimgbalise function, so we have to read again the html and exchange those characters again

      temp <- suppressWarnings(readLines(paste0(wdfunction, "/", filename, ".html")))

      temp <- gsub( ">", ">", temp)

      temp <-  gsub( "<", "<", temp)

      temp <- c("<body bgcolor='", color.bg, "'>", temp)

      writeLines(temp, paste0(wdfunction, "/", filename, ".html"))



    }







  # Parameters (where in function normally, but I detail the process --------









    patternlist <- ".jpg"

    regexjpeg <- "([0-9]*)(.*)_(.*)" # this the regex expression regarding the name of the files

    regexposID <- "\1" # position of the different variable I want to extract from the name

    regexposWhat <- "\2"

    regexposField <- "\3"

    regexposZ <- "\3"

    formulaPV <- "row+Field~col+What" # then the dcast formula regarding how to arrange the pictures

    pixelimg <- 150 # size in html but the picture are kept of real resolution so you can zoom

    base64 <-  F





    listimg<- data.table(path = list.files(wd, full.names = T))

    listimg[, ID := gsub(paste0(regexjpeg, patternlist), regexposID, basename(path))]

    listimg[, What := gsub(paste0(regexjpeg, patternlist), regexposWhat, basename(path))]

    listimg[, Field := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposField, basename(path)))]

    listimg[, Z := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposZ, basename(path)))]

    listimg[, row := LETTERS[as.numeric(substr(ID, 1, 3))]]

    listimg[, col := as.numeric(substr(ID, 4, 6))]



    if( base64 ) {

      for(i in 1:nrow(listimg) ) {

        listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

      }

    } else {

      listimg[, code := paste0(addimgbalise(path, pixelimg), "n", row, col, "-", Field, "-", What)]

    }



    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))







  # Some other example ------------------------------------------------------



    formulaPV <- "row+Field+What~col" # then the dcast formula regarding how to arrange the pictures

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)

    write.html.link(data = listimg3, filename = "Picture_grid_other_formula", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))



    # base64

    for(i in 1:nrow(listimg) ) {

      listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

    }

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid_base64", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))

The final result is like this:

enter image description here

edited Nov 10 at 20:45

asked Nov 9 at 16:18

Dorian Grv

7915

I have a list of jpeg with a specific name:

   010003000Color3_0.jpg

   010003000Color3_1.jpg

   010003000Color3_2.jpg

I need to get the information from those names are create a grid of those pictures depending on the information contained.

E.g. here I have a name corresponding to _.jpg

Here the complete code, I let you go through it. Read the comments that are partly explaining it.

  # Setup -------------------------------------------------------------------





    library(data.table)

    library(dplyr)

    library(tableHTML)

    library(knitr)

    wd <- "C:/Users/gravier/Downloads/Example_Yann_Html/Jpeg"







  # Function ----------------------------------------------------------------







    addimgbalise <- function(vect, pisize=200) {

      # to add a html balise with a pixel size for the image

      vect <- paste0("<img src='", vect,"' width=", pisize, "/>")

      return(vect)



    }



    write.html.link <- function(data,

                                filename,

                                caption = filename,

                                wdfunction,

                                color.bg = "#00000",

                                color.line = "#b4bac4",

                                color.text = "#b4bac4",

                                font.size = "8px",

                                font.family = "Arial",

                                text.align = "center") {



      # permit to write a html table with a local link to click





      tabhtml <- tableHTML(data,

                           rownames = FALSE,

                           caption = caption,

                           theme="default") %>%

        add_css_table(css = list('border', color.line)) %>%

        add_css_table(css = list('text-align', text.align)) %>%

        add_css_table(css = list('font-family', font.family)) %>%

        add_css_table(css = list('font-size', font.size)) %>%

        add_css_table(css = list('color', color.text))



      write_tableHTML(tabhtml, file = paste0(wdfunction, "/", filename, ".html"))

      # unfortunately write_tableHTML has been changed in the past and is not write the '<' '>' characters of the addimgbalise function, so we have to read again the html and exchange those characters again

      temp <- suppressWarnings(readLines(paste0(wdfunction, "/", filename, ".html")))

      temp <- gsub( ">", ">", temp)

      temp <-  gsub( "<", "<", temp)

      temp <- c("<body bgcolor='", color.bg, "'>", temp)

      writeLines(temp, paste0(wdfunction, "/", filename, ".html"))



    }







  # Parameters (where in function normally, but I detail the process --------









    patternlist <- ".jpg"

    regexjpeg <- "([0-9]*)(.*)_(.*)" # this the regex expression regarding the name of the files

    regexposID <- "\1" # position of the different variable I want to extract from the name

    regexposWhat <- "\2"

    regexposField <- "\3"

    regexposZ <- "\3"

    formulaPV <- "row+Field~col+What" # then the dcast formula regarding how to arrange the pictures

    pixelimg <- 150 # size in html but the picture are kept of real resolution so you can zoom

    base64 <-  F





    listimg<- data.table(path = list.files(wd, full.names = T))

    listimg[, ID := gsub(paste0(regexjpeg, patternlist), regexposID, basename(path))]

    listimg[, What := gsub(paste0(regexjpeg, patternlist), regexposWhat, basename(path))]

    listimg[, Field := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposField, basename(path)))]

    listimg[, Z := as.numeric(gsub(paste0(regexjpeg,patternlist), regexposZ, basename(path)))]

    listimg[, row := LETTERS[as.numeric(substr(ID, 1, 3))]]

    listimg[, col := as.numeric(substr(ID, 4, 6))]



    if( base64 ) {

      for(i in 1:nrow(listimg) ) {

        listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

      }

    } else {

      listimg[, code := paste0(addimgbalise(path, pixelimg), "n", row, col, "-", Field, "-", What)]

    }



    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))







  # Some other example ------------------------------------------------------



    formulaPV <- "row+Field+What~col" # then the dcast formula regarding how to arrange the pictures

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)

    write.html.link(data = listimg3, filename = "Picture_grid_other_formula", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))



    # base64

    for(i in 1:nrow(listimg) ) {

      listimg[i, code := paste0(addimgbalise(image_uri(path), pixelimg), "n", row, col, "-", Field, "-", What)]

    }

    listimg3 <- dcast(listimg, as.formula(formulaPV), value.var = "code")

    listimg3 <- data.frame(listimg3)

    listimg3[nrow(listimg3)+1,] <- colnames(listimg3)



    write.html.link(data = listimg3, filename = "Picture_grid_base64", caption = paste0("Picture_grid", " - ", formulaPV), wdfunction = dirname(wd))

The final result is like this:

enter image description here

html r image

edited Nov 10 at 20:45

asked Nov 9 at 16:18

Dorian Grv

7915

edited Nov 10 at 20:45

asked Nov 9 at 16:18

Dorian Grv

7915

edited Nov 10 at 20:45

asked Nov 9 at 16:18

Dorian Grv

7915

asked Nov 9 at 16:18

Dorian Grv

7915

asked Nov 9 at 16:18

Dorian Grv

7915

Stack Overflow is a question and answer site. You are welcome to answer your own question below ("questions" should not contain answers), but make sure your initial post starts off with a specific question. Then the community can vote on the different solutions and offer their own.
– MrFlick
Nov 9 at 16:23

this'd make a great blog post, tho.
– hrbrmstr
Nov 9 at 18:07

Totally right :) I changed it the explanation and the title. I would like to get some feedback from other people or other solutions.
– Dorian Grv
Nov 10 at 20:45

add a comment |

Stack Overflow is a question and answer site. You are welcome to answer your own question below ("questions" should not contain answers), but make sure your initial post starts off with a specific question. Then the community can vote on the different solutions and offer their own.
– MrFlick
Nov 9 at 16:23

this'd make a great blog post, tho.
– hrbrmstr
Nov 9 at 18:07

Totally right :) I changed it the explanation and the title. I would like to get some feedback from other people or other solutions.
– Dorian Grv
Nov 10 at 20:45

Stack Overflow is a question and answer site. You are welcome to answer your own question below ("questions" should not contain answers), but make sure your initial post starts off with a specific question. Then the community can vote on the different solutions and offer their own.
– MrFlick
Nov 9 at 16:23

this'd make a great blog post, tho.
– hrbrmstr
Nov 9 at 18:07

Totally right :) I changed it the explanation and the title. I would like to get some feedback from other people or other solutions.
– Dorian Grv
Nov 10 at 20:45

add a comment |

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