TWindRose series incorrect representation

TeeChart VCL for Borland/CodeGear/Embarcadero RAD Studio, Delphi and C++ Builder.
Post Reply
odissey1
Newbie
Newbie
Posts: 35
Joined: Thu Oct 23, 2003 4:00 am

TWindRose series incorrect representation

Post by odissey1 » Fri Jun 05, 2009 6:50 pm

Hi,

In current inplementation of the TWindRose series angle increments could be set only at 1deg increment. As a result, the labels could be set to appear 'normal' only at increments of 45 and 90 deg. For example, at 30deg interval the displayed labels looks like: N, NNE, NEE, E, SEE, SSE, S, SSW, SWW, W, NWW, NNW, which is incorrect.

A generally-accepted WindRose typically uses 16 cardinal directions, spaced at 22.5deg: http://en.wikipedia.org/wiki/Cardinal_direction

with labels:
N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW, NNW. Please note also for correct 'ESE', not 'EES' etc.

Adding some insult, the angles in a compass-like RoseWind are calculated clockwise, while in TRoseWind series it goes counter-clockwise.

Please add those two items to wishlist.

Regards,
Odissey1

Yeray
Site Admin
Site Admin
Posts: 9611
Joined: Tue Dec 05, 2006 12:00 am
Location: Girona, Catalonia
Contact:

Post by Yeray » Mon Jun 08, 2009 8:11 am

Hi Odissey1,

You are right. I've added your suggestions to the wish list to be fixes in future releases (TV52014221).

Thank you for reporting it.
Best Regards,
ImageYeray Alonso
Development & Support
Steema Software
Av. Montilivi 33, 17003 Girona, Catalonia (SP)
Image Image Image Image Image Image Please read our Bug Fixing Policy

Post Reply