Category Archives: Drawing

Drawing a Buckyball in Excel

Posted on 04/09/2010 by dougaj4

Since, according to Google, it is the 25th anniversary of the Buckyball, I thought I would draw one in Excel. A quick search found a list of coordinates here: Chemistry resources The problem then was, how to connect them.  The information … Continue reading →

Posted in Drawing, Excel, Maths | Tagged , | 10 Comments

How to digitise a scanned image

Posted on 14/04/2010 by dougaj4

For instance, suppose we had a graph from a technical paper, and we wanted to extract numerical data from the graph lines.  One way would be to measure the points by hand and calculate the numbers by scaling from the … Continue reading →

Posted in Drawing, Excel, UDFs, VBA | Tagged , , , | 19 Comments

Drawing in Excel 9 – Perspective Projection

Posted on 13/01/2009 by dougaj4

Previous post  Download PlotXYZ-xlsb.zip (XL 2007) Download PlotXYZ-xls.zip (XL 2003 and earlier) The drawing program presented in the previous post in this series has been modified to plot perspective projections of line drawings defined by 3D coordinates of line end points, … Continue reading →

Posted in Drawing, Excel, VBA | 3 Comments

Drawing in Excel 8 – scaling and trimming

Posted on 05/01/2009 by dougaj4

Previous Post – Drawing in Excel 7 Download PlotXY-xls.zip (XL 2003 and earlier) Download PlotXY-xlsb.zip (XL 2007) The previous post presented VBA routines to plot drawings in Excel from a series of coordinates, a list of connected points, and a … Continue reading →

Posted in Drawing, Excel, VBA | Tagged , , , , | 3 Comments

Drawing in Excel 7 – Creating drawings from coordinates

Posted on 11/11/2008 by dougaj4

Previous Post, Drawing in Excel 6 The file PlotXYcontains routines to plot scale drawings in Excel from a list of XY coordinates of node points, node points for each shape, and formatting details for each shape type.  The plot is scaled … Continue reading →

Posted in Drawing, Excel, VBA | Tagged , , , | 25 Comments