Question

draw or rotate lines based on cell values

Asked by: xemophora

I have looked around and cannot find a solution to this problem so maybe someone out there can help.  We have a chart that right now is an image on the worksheet.  We have drawn lines and edit points accordingly so that one end stays in the center of the graph and the other goes to whatever angle we need.  Above the chart are 3 angles and we make a line for each angle.  Does anyone know of a way to automate this?  Where we type the angles and the existing lines rotate accordingly (but stay snapped on one end to the center) or by creating new lines in the correct placement?   here is an example, we will say the angles 0, 117, and -135 are used in cells b2, b4 and b6.  this is the graph...

Also is there a way to lock the graph into a cell also?  The placement may change according to content so I am not sure if x,y coordinates would be accurate? im not sure you guys are the experts so please enlighten me.

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Asked On
2009-11-02 at 13:19:13ID24865238
Tags

excel

,

vector lines

,

arrows

,

charts

,

vba

Topic

Microsoft Excel Spreadsheet Software

Participating Experts
2
Points
500
Comments
9

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Answers

 

by: ssaqibhPosted on 2009-11-03 at 05:49:51ID: 25728848

One way to do this

 

by: xemophoraPosted on 2009-11-03 at 05:59:45ID: 25728957

I am not sure where the input values are to actually change the rotation, any ideas?

 

by: ssaqibhPosted on 2009-11-03 at 06:15:03ID: 25729096

The yellowed area is the input

 

by: xemophoraPosted on 2009-11-03 at 10:59:16ID: 25732218

Right, I guess I ment how to incorporate the inputs into an existing sheet.  I found a wind rose here http://www.edferrero.com/ExcelCharts/tabid/102/Default.aspx that I was able to modify and use.  It was much more tidy and organized.  I found this in a search for a compass based on your idea.  Your idea led to me finding this so you get the points.  Thank you.

 

by: xemophoraPosted on 2009-11-03 at 11:00:00ID: 31649090

Thanks for your input.

 

by: patrickabPosted on 2009-11-03 at 15:12:08ID: 25734944

xemophora,

The link you have given to a wind rose gives, in my view, an utterly useless solution. The reason I say that is that the background is completely independant of the pointers (arrows/lines). This means you cannot scale or move the whole windrose without difficulty. In contrast the solution given by ssaqibh is both scalable and moveable.

Patrick

 

by: patrickabPosted on 2009-11-03 at 15:13:15ID: 25734951

xemophora,

The link you have given to a wind rose gives, in my view, an utterly useless solution. The reason I say that is that the background is completely independant of the pointers (arrows/lines) - see screenshot below. This means you cannot scale or move the whole windrose without difficulty. In contrast the solution given by ssaqibh is both scalable and moveable.

Patrick

 

by: patrickabPosted on 2009-11-03 at 15:37:16ID: 25735094

xemophora,

You claimed the windrose was:

>It was much more tidy and organized.

I know what you mean but...  If seeing the numbers bother you, have a look at the attached file. It is ssaqibh's file but with the data moved out of sight and the input cells made a little more obvious.

No points to me - it's all ssaqibh's work.

Patrick

 

by: xemophoraPosted on 2009-11-04 at 07:33:52ID: 25740324

patrick,
I worked out the issues on the windrose already.  I replaced the background image and worked out the scaling troubles.  The arrows are aligned to the center of the image so as long as the center of the graph is the center of the image it scales fine.  The reason I wanted it to be as clean as possible is this chart actualy shows up in a few places on a form that we use on documenting project data.  I did have to scale it down to fit with the aloted areas of the page and modify the code to work with the cells on the page.  It was probably something easy that I am not sure how to do but all of the numbers given in ssaqibh's file were one of the issues.  The way it is setup in the file I was unsure how to add another arrow much less control it, then position it on the existing forms and clean up.  The windrose is a different approach that I understood better and was able to easily manipulate.    The image below shows it in place on a form, although it is not real time like I had hoped and the way the compass is.  The button does not print and clicking on it is fine for now.  I will look at the compass file and try disecting it but like I said, I am unfamiliar with charts and graphs because I have never actually used them.  I will look further into it and could possibly replace the model that is in place.  If nothing else, it is automated like I originally wanted.  That is enough for me to want to figure it out and possibly replace what is there now.

20120131-EE-VQP-002

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