Tag Archives: Excel

Eidolon’s Polygon Clipping Engine

By | April 12, 2011

I thought it might be interesting to public how I implemented Eidolon's 2D polygon clipping engine. I searched around on the internet for months with no luck until I can across this article. Why did I need this? Well Eidolon's main function is to render time location diagrams. For those of you who don’t know… Read More »

Eidolon: True shape clipping coming soon…

By | August 25, 2010

I’ve eventually got around to working on a true clipping engine for Eidolon. The current mechanism for clipping shapes simple just compresses them until they fit into the viewing window (if they appear in there in the first place). The new clipping engine will actually chop the shape off at the boundaries so that there… Read More »

Materials Quantities on Eidolon Time Location Diagrams

By | January 29, 2010

In September last year I held a workshop on Korax to get those unfamiliar with the package up to speed. At that session I probably mentioned that was wanted to rewrite the software properly and at last Eidolon is here (http://www.davidghoyle.co.uk/eidolon.html). At that same workshop there were a number of time location examples, some from… Read More »

Excel: Dynamic formulae

By | August 15, 2009

I was asked yesterday if there was a way to populate a worksheet with formulae as the user (third party) was adding data. This would stop the need for the worksheet to be pre-populated with formulae or require the user to add the formulae – especially if there were a data input clerk only. So… Read More »

Sean’s Problem Number 1

By | August 14, 2009

Well Sean, here a solution to the first of your problems :-). I’ll explain the code (although you can just use the spreadsheet attached at the end of this article). For those not familiar with this, Sean has a simple problem, in that while entering part numbers for OLE equipment in on worksheet he wish… Read More »