def drawMeasureAreaOnVideo(values, painter, surface, gt):
''' Draw Measure Area on Video '''
a_value = sphere.polygon_area([values])
poly = []
lat = []
long = []
for pt in values:
if hasElevationModel():
pt = GetLine3DIntersectionWithPlane(
GetSensor(), pt, GetFrameCenter()[2])
scr_x, scr_y = vut.GetInverseMatrix(
pt[1], pt[0], gt, surface)
center = QPoint(scr_x, scr_y)
poly.append(center)
lat.append(pt[0])
long.append(pt[1])
# Fix: Temporary correction
# mousePressEvent calls after mouseMoveEvent.
# A problem occurs because the centroid is miscalculated.
# We remove duplicates values
lat = list(dict.fromkeys(lat))
long = list(dict.fromkeys(long))
# Calculate Centroid Position
scr_x, scr_y = vut.GetInverseMatrix(
sum(long)/len(long), sum(lat)/len(lat), gt, surface)
centroid = QPoint(scr_x, scr_y)
# Create Poligon
polygon = QPolygonF(poly)
path = QPainterPath()
path.addPolygon(polygon)
painter.setFont(DrawToolBar.bold_12)
painter.setPen(MeasurePen)
painter.drawPolygon(polygon)
painter.fillPath(path, MeasureBrush)
painter.setPen(DrawToolBar.white_pen)
painter.drawPoints(polygon)
# Area
if a_value >= 10000:
painter.drawText(centroid , str(round(a_value/1000000, 2)) + " km²")
else:
painter.drawText(centroid , str(round(a_value, 2)) + " m²")
return
def drawMeasureAreaOnVideo(values, painter, surface, gt):
''' Draw Measure Area on Video '''
a_value = sphere.polygon_area([values])
poly = []
lat = []
long = []
for pt in values:
scr_x, scr_y = vut.GetInverseMatrix(pt[1], pt[0], gt, surface)
center = QPoint(scr_x, scr_y)
poly.append(center)
lat.append(pt[0])
long.append(pt[1])
lat = list(dict.fromkeys(lat))
long = list(dict.fromkeys(long))
# Calculate Centroid Position
scr_x, scr_y = vut.GetInverseMatrix(
sum(long) / len(long),
sum(lat) / len(lat), gt, surface)
centroid = QPoint(scr_x, scr_y)
# Create Poligon
polygon = QPolygonF(poly)
path = QPainterPath()
path.addPolygon(polygon)
painter.setFont(DrawToolBar.bold_12)
painter.setPen(MeasurePen)
painter.drawPolygon(polygon)
painter.fillPath(path, MeasureBrush)
painter.setPen(DrawToolBar.white_pen)
painter.drawPoints(polygon)
# Area
if a_value >= 10000:
painter.drawText(centroid,
str(round(a_value / 1000000, 2)) + " km²")
else:
painter.drawText(centroid, str(round(a_value, 2)) + " m²")
return