bearing & azimuth in realtime

[Danielm103]

Needs work, just an example

 

from pyrx import Ap, Db, Ed, Ge, Gi
import math

print("command = yeehaw")

class NavJig(Ed.DrawJig):
    def __init__(self, basepoint):
        Ed.DrawJig.__init__(self)
        self.ds = Ed.DragStatus.kNormal
        self.basepoint = basepoint
        self.curpoint = basepoint
        self.mt = Db.MText()
        self.mt.setDatabaseDefaults()
        self.mt.setAttachment(Db.MTextAttachmentPoint.kMiddleLeft)

    def get_vector_details(self, vector: Ge.Vector3d):
        v_length = vector.length()
        azimuth_rad = math.atan2(vector.x, vector.y)
        azimuth_deg = math.degrees(azimuth_rad) % 360
        if 0 <= azimuth_deg <= 90:
            bearing = f"N {azimuth_deg:.2f} E"
        elif 90 < azimuth_deg <= 180:
            bearing = f"S {180 - azimuth_deg:.2f} E"
        elif 180 < azimuth_deg <= 270:
            bearing = f"S {azimuth_deg - 180:.2f} W"
        else:
            bearing = f"N {360 - azimuth_deg:.2f} W"
        return f"Length: {v_length:.4f}\\P" f"{azimuth_deg:.2f}%%d " f"{bearing}"

    def sampler(self):
        self.setUserInputControls(Ed.UserInputControls.kAccept3dCoordinates)
        self.ds, self.curpoint = self.acquirePoint()
        return self.ds

    def update(self):
        if self.ds == Ed.DragStatus.kNoChange:
            return False
        return True

    def worldDraw(self, wd: Gi.WorldDraw):
        if self.ds == Ed.DragStatus.kNoChange:
            return True
        try:
            geo = wd.geometry()
            v = self.curpoint - self.basepoint
            self.mt.setContents(self.get_vector_details(v))
            self.mt.setLocation(self.basepoint + (v * 0.5))
            self.mt.setDirection(v)
            geo.draw(self.mt)
            geo.polyline([self.basepoint, self.curpoint], Ge.Vector3d.kZAxis)
            return True
        except Exception as err:
            print(err)


@Ap.Command()
def yeehaw():
    try:
        jig = NavJig(Ge.Point3d(0, 0, 0))
        jig.setDispPrompt("\nPick point:\n")
        res = jig.drag()
        print("done", res)
    except Exception as err:
        print(err)