Graphical representation in the body of an email using bar graphs

Can a dynamic bar graph be created in an email message? It should be compatible with Outlook.

I want to include a graph in an email sent using oracle database, where the dynamic values will be passed through a procedure.

Answer №1

A great way to tackle this issue is by dynamically creating your bar chart and converting it into an image. One simple method is to take a print screen of the chart and then import it into a photo editing software like Photoshop for further customization.

Working with HTML emails can be tricky due to their compatibility issues with modern html code. They tend to respond better to html code that is at least 10 years old.

Here are some basic guidelines to keep in mind:

  • Avoid using HTML5 in emails.
  • Avoid incorporating complex CSS styles, external stylesheets, or css styles in the HEAD section of the email.
  • Avoid using javascript as it will not function properly.
  • Avoid using Flash as it is not supported.

  • Instead, use inline CSS for styling.

  • Utilize HTML TABLES for layout purposes.
  • Include images, but try to minimize the filesize as much as possible.

Answer №2

To add an interactive visual element to your email, consider using Google Charts to generate a dynamic image by inputting the appropriate data sets. This image can then be embedded directly into your HTML email for greater engagement.

Answer №3

In order to display graphics in email, JavaScript won't be of much help as email clients often don't support it. However, you can instruct your server to set a header on the file to indicate it is a JPEG or GIF. It's important to make sure the file extension matches the file type to avoid any issues with rendering. If your server has a dynamic image producing library, that could be useful for generating the graphics.

Another option is to create the graph using tables. Here's an example:

<table>
  <tr>
    <td colspan="10" bgcolor="pink"></td>
  </tr>
  <tr>
    <td colspan="5" bgcolor="pink"></td>
    <td colspan="5" bgcolor="white"></td>
  </tr>
</table>

This is just a basic example, but you would need to customize the HTML to fit your specific graph. Unfortunately, you will need to write some code to generate the necessary HTML for the graph to display correctly in email.

Answer №4

To achieve this, you would need to follow the traditional HTML method, using tables and static images.

Imagine you want to generate a bar chart with 5 data points. You can set up a table with the necessary cells and then include 5 different images that will adjust in height dynamically when the personalized email is sent out. Each image would essentially be a solid color block, such as a 10x10px square in different colors. The size of each image would be overridden to match the size of the block in each email, with personalized values inserted using the appropriate placeholders in your email application (e.g., %%variable%%).

For instance:

<table border=0>
<tr>
<td align=bottom><img src=redblock.gif width=20 height=%%height1%%></td>
<td align=bottom><img src=greenblock.gif width=20 height=%%height2%%></td>
<td align=bottom><img src=yellowblock.gif width=20 height=%%height3%%></td>
<td align=bottom><img src=blueblock.gif width=20 height=%%height4%%></td>
<td align=bottom><img src=greyblock.gif width=20 height=%%height5%%></td>
</tr>
<tr>
<td colspan=5 bgcolor=#000000 height=1><img src=singlepixel.gif width=1 height=1></td>
</tr>
<tr>
<td>Spain</td>
<td>France</td>
<td>US</td>
<td>UK</td>
<td>Italy</td>
</tr>
</table>

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