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Kip

Calculate the angle with given coordinates

5 posts in this topic

#1 ·  Posted (edited)

Hey,

I have a math question:

How do I calculate the angle with given coordinates?

I made a drawing, because I already knew that I couldn't explain:

Posted Image

I hope that says enough :D

Edited by kip

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#2 ·  Posted (edited)

$pt1x = InputBox("Input coordinate pt","Point A X coor", "", "");will be your reference point.
$pt1y = InputBox("Input coordinate pt","Point A Y coor", "", "")

$pt2x = InputBox("Input coordinate pt","Point B X coor", "", "")
$pt2y = InputBox("Input coordinate pt","Point B Y coor", "", "")

$pt3x = InputBox("Input coordinate pt","Point C X coor", "", "")
$pt3y = InputBox("Input coordinate pt","Point C Y coor", "", "")

$dist1x = $pt1x - $pt2x
$dist1y = $pt1y - $pt2y
$x1 = $dist1x * $dist1x
$y1 = $dist1y *$dist1y
$T1 = $x1 + $y1
$Tdist1 = Sqrt($T1) 

$dist2x = $pt1x - $pt3x
$dist2y = $pt1y - $pt3y
$x2 = $dist2x * $dist2x
$y2 = $dist2y *$dist2y
$T2 = $x2 + $y2
$Tdist2 = Sqrt($T2) 


$xy = $Tdist1 / $Tdist2
$pi = 3.14159265358979
$radToDeg = 180 / $pi
$Tangle = ACos($xy) * $radToDeg;arcCosine of -1 returns 180°

MsgBox(0, "Angle", "the Angle =" & " " & $Tangle)

I think this one...for right triangle only..

Edited by LiLShinta

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Hey,

I have a math question:

How do I calculate the angle with given coordinates?

I made a drawing, because I already knew that I couldn't explain:

Posted Image

I hope that says enough :D

The angle P+Q is

ATAN((D-B )/(C-A))

the angle P is

ATAN((F-B )/(E-A))

so Q is

ATAN((D-B )/(C-A)) - ATAN((F-B )/(E-A))


Serial port communications UDF Includes functions for binary transmission and reception.printing UDF Useful for graphs, forms, labels, reports etc.Add User Call Tips to SciTE for functions in UDFs not included with AutoIt and for your own scripts.Functions with parameters in OnEvent mode and for Hot Keys One function replaces GuiSetOnEvent, GuiCtrlSetOnEvent and HotKeySet.UDF IsConnected2 for notification of status of connected state of many urls or IPs, without slowing the script.

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#4 ·  Posted (edited)

hmm... :D

yeah.. I dont get that.

I tried several things but I just can't get it to work.

This is my script, but i dont know how to get the angle of the Line:

#include <GUIConstants.au3>

$ControlX = 200
$ControlY = 200

$AngleWidth = 100

$Gui = GUICreate("sdsds",400,400)
    
    GUICtrlCreateGraphic(0, 0, 400, 400)
    GUICtrlSetGraphic(-1,$GUI_GR_COLOR, 0x000000)
    
    GUICtrlSetGraphic(-1,$GUI_GR_ELLIPSE, $ControlX-($AngleWidth/2),$ControlY-($AngleWidth/2), $AngleWidth,$AngleWidth)
    
    $Graph = GUICtrlCreateGraphic($ControlX-($AngleWidth/2), $ControlY-($AngleWidth/2), $AngleWidth, $AngleWidth)
    
    GUICtrlSetGraphic(-1,$GUI_GR_MOVE, $AngleWidth/2,$AngleWidth/2)
    GUICtrlSetGraphic(-1,$GUI_GR_COLOR, 0xff)
    GUICtrlSetGraphic(-1,$GUI_GR_LINE, $AngleWidth/2,0)
    GUICtrlSetGraphic(-1,$GUI_GR_REFRESH)
    
    $Label = GUICtrlCreateLabel("",5,5,100,16)

GUISetState()


global $pi = 4 * ATan(1)

While 1
    
    $Pos = GUIGetCursorInfo($Gui)
    $mX = $Pos[0]
    $mY = $Pos[1]
    
    GUICtrlDelete($Graph)
    $Graph = GUICtrlCreateGraphic($ControlX-($AngleWidth/2), $ControlY-($AngleWidth/2), $AngleWidth, $AngleWidth)
    
    $Pyth = Sqrt(($mX-$ControlX)^2 + ($mY-$ControlY)^2)
    
    $NewLenght = $Pyth/($AngleWidth/2)
    
    $LineX = ($AngleWidth/2)+($mX-$ControlX)/$NewLenght
    $LineY = ($AngleWidth/2)+($mY-$ControlY)/$NewLenght
    
    GUICtrlSetGraphic(-1,$GUI_GR_MOVE, ($AngleWidth/2),($AngleWidth/2))
    GUICtrlSetGraphic($Graph,$GUI_GR_LINE, $LineX,$LineY)
    GUICtrlSetGraphic($Graph,$GUI_GR_REFRESH)
    
    $Angle = "?"
    
    GUICtrlSetData($Label, $Angle & "°")
    
WEnd

And I dont know how to use Sin, Cos, Tan, etc :D

$Label should show the angle (0°-360°)

Edited by kip

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#5 ·  Posted (edited)

Got it! :D

#include <GUIConstants.au3>

$ControlX = 200
$ControlY = 200

$AngleWidth = 48

$Gui = GUICreate("sdsds",400,400)
    
    GUICtrlCreateGraphic(0, 0, 400, 400)
    GUICtrlSetGraphic(-1,$GUI_GR_COLOR, 0x000000)
    
    GUICtrlSetGraphic(-1,$GUI_GR_ELLIPSE, $ControlX-($AngleWidth/2),$ControlY-($AngleWidth/2), $AngleWidth,$AngleWidth)
    
    $Graph = GUICtrlCreateGraphic($ControlX-($AngleWidth/2), $ControlY-($AngleWidth/2), $AngleWidth, $AngleWidth)
    
    
    GUICtrlSetGraphic(-1,$GUI_GR_MOVE, $AngleWidth/2,$AngleWidth/2)
    GUICtrlSetGraphic(-1,$GUI_GR_LINE, $AngleWidth/2,0)
    GUICtrlSetGraphic(-1,$GUI_GR_REFRESH)
    
    $Label = GUICtrlCreateLabel("",5,5,100,16)

GUISetState()


global $pi = 4 * ATan(1)
$radToDeg = 180 / $pi

$Previous = 0

While 1
    
    $Pos = GUIGetCursorInfo($Gui)
    $mX = $Pos[0]
    $mY = $Pos[1]
    
    $Pyth = Sqrt(($mX-$ControlX)^2 + ($mY-$ControlY)^2)
    
    $NewLenght = $Pyth/($AngleWidth/2)
    
    $LineX = ($AngleWidth/2)+($mX-$ControlX)/$NewLenght
    $LineY = ($AngleWidth/2)+($mY-$ControlY)/$NewLenght
    
    $WidthLine = $mX-$ControlX
    $HeightLine = $ControlY-$mY
    
    $ATan = ATan($HeightLine/$WidthLine)*$radToDeg
    
    $Round = Abs(Round($ATan,0))
    
    $MidX = $mX-$ControlX
    $MidY = $mY-$ControlY
    
    If $MidX >= 0 Then; 0 - 180
        
        If $MidY <= 0 Then; 0 - 90
            $Angle = 90-$Round
        Else; 90 - 180
            $Angle = 90+$Round
        EndIf
        
    Else; 180 - 360
        
        If $MidY >= 0 Then; 180 - 270
            $Angle = 180+(90-$Round)
        Else; 270 - 360
            $Angle = 270+$Round
        EndIf
        
    EndIf
    
    If $Angle <> $Previous Then
        GUICtrlSetData($Label, $Angle & "°")
        
        GUICtrlDelete($Graph)
        $Graph = GUICtrlCreateGraphic($ControlX-($AngleWidth/2), $ControlY-($AngleWidth/2), $AngleWidth, $AngleWidth)
        
        GUICtrlSetGraphic($Graph,$GUI_GR_MOVE, ($AngleWidth/2),($AngleWidth/2))
        GUICtrlSetGraphic($Graph,$GUI_GR_LINE, $LineX,$LineY)
        GUICtrlSetGraphic($Graph,$GUI_GR_REFRESH)
        $Previous = $Angle
    EndIf
    
WEnd
Edited by kip

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