Björnke von Gierke
bvg at mac.com
Sat Aug 28 06:28:02 EDT 2010
No, but i would imagine it's not super hard to do them, only somewhat hard. Basically it's cartesian with negative values, so you'd choose a zero point somewhere and then render the data onto that:
constant theScale = 2
constant theMidpoint = "200,200"
put field 1 into theDataPoints
repeat for each line thePoint in theDataPoints
put item 1 of thePoint div theScale + item 1 of theMidpoint, item 2 of thePoint div theScale + item 2 of theMidpoint & return after theResult
put line 1 of theResult after theResult --close poly
put return & return & theMidpoint after theResult --show centerpoint
set the points of graphic 1 to theResult
graphic 1 should be a (freehand) polygon with markercolor set to something more visible then light blue (which is the default), markerDraw set to true, and having sensible markerPoints.
for markerPoints I like to use a small x shapes:
I hope this can get you started into the right direction.
On 26 Aug 2010, at 11:04, Éric Miclo wrote:
> I've looked at the two Rev select chart libraries/tools, but I was looking for spider-web charts and neither ChartMaker or ChartsEngine provide something like that.
> Does anybody know a library that could provide such charts?
official ChatRev page:
Chat with other RunRev developers:
go stack URL "http://bjoernke.com/chatrev/chatrev1.3b3.rev"
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