Category Archives: Charts

Using Matplotlib from Excel with pyxll

Posted on 04/11/2021 by dougaj4

The pyxll documentation has many examples of plotting in Excel using Matplotlib and other packages, but I find the multiple options confusing and hard to follow, so this post works through the examples in the Matplotlib Users Guide tutorial. The … Continue reading →

Posted in Charts, Charts, Drawing, Excel, Link to Python, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

Copying charts to a new workbook

Posted on 25/07/2021 by dougaj4

When an Excel worksheet including a chart(s) is copied to a new workbook the chart still links to the data ranges in the original workbook. Over the years I have spent a fair bit of time editing the chart ranges … Continue reading →

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XY Chart problems – 2

Posted on 16/06/2020 by dougaj4

The previous chart post (XY Chart problems – 1) looked at problems plotting charts with very short data ranges.  An associated problem is plotting XY charts with data with gaps (see When is an XY chart not an XY chart …? and … Continue reading →

Posted in Arrays, Charts, Charts, Excel, UDFs, VBA | Tagged , , , , , , | Leave a comment

XY Chart problems – 1

Posted on 12/06/2020 by dougaj4

I have looked at problems with XY charts displaying as Line charts previously at: When is an XY chart not an XY chart …? and Plotting Charts With Gaps … The charts shown below. and also in the next post, can be … Continue reading →

Posted in Charts, Charts, Excel | Tagged , , | 1 Comment

DigitGraph Spreadsheet and WebPlot Digitiser

Posted on 03/03/2020 by dougaj4

I have posted here previously a spreadsheet that allows XY data to be extracted from images of graphs, maps or other images of objects in a single plane: How to digitise a scanned image. I have updated the instructions for the … Continue reading →

Posted in Charts, Charts, Computing - general, Curve fitting, Drawing, Excel, UDFs, VBA | Tagged , , , , , | 6 Comments