RE: [PHP] gd project question

2002-05-31 Thread Miguel Cruz
On Fri, 31 May 2002, Michael Geier wrote: > my arc runs from 180 deg. to 360/0 degree, or left to right, pointing > upwards (upside down U). > i guess I am not getting my head around the numbers...is there anywhere on > the net that has a good thorough description about a process like this? http:

RE: [PHP] gd project question

2002-05-31 Thread Michael Geier
el Geier'; Php-General > Subject: RE: [PHP] gd project question > > > Good day, > > Wow, a high school math question. > > You should use asin() and acos() of the angle to get the y and x > differentials, respectively. Multiply the result by the size of > the needle.

RE: [PHP] gd project question

2002-05-31 Thread Darren Gamble
4L4 (403) 781-4948 > -Original Message- > From: Michael Geier [mailto:[EMAIL PROTECTED]] > Sent: Friday, May 31, 2002 9:18 AM > To: Php-General > Subject: [PHP] gd project question > > > I have the following issue: > > I am making a "gas guage

[PHP] gd project question

2002-05-31 Thread Michael Geier
I have the following issue: I am making a "gas guage" based on a percentage. ie. - a 180 degree arc is created - the range will be 0 to n (undetermined ammount) - there will be x number of entries - the needle will