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Graphing Weights

Using Xojo's Charting

Issue: 23.6 (November/December 2025)
Author: Marc Zeedar
Author Bio: Marc taught himself programming in high school when he bought his first computer but had no money for software. He's had fun learning ever since.
Article Description: No description available.
Article Length (in bytes): 5,269
Starting Page Number: 39
Article Number: 23606
Resource File(s):

project23606.zip Updated: 2025-11-02 23:04:24

Related Link(s): None

Excerpt of article text...

In an article in this issue ("Converting Fitbit Data"), I wrote about how I converted a decade of my weight data from my Fitbit scale in order to import it into Apple's Health app. I was successful, but discovered that Health's graph of my weight is limited to a maximum of one year.

Figure 1 shows how my data looks in Health. As you can see from the range buttons at the top of the chart, the maximum range I can select is one year. This is disappointing, as one reason to have all my weight data in Health is to see my long-term trends.

But Xojo has charting capabilities. Wouldn't it be easy to use it to create my own custom graph of my decade of weights?

It was, and it only took me a few minutes!

Setting up the Project

The first thing I did in the new project was copy and paste the globalsModule from my Fitbit conversion project. This module has a simple readFile method that I want to use to read in the weight data.

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