def createPath(self,coords,js_callback,err_callback):
if coords:
region = ScanArea.ScanRegion.from2DLatLonArray(coords,self._home,
names = self._names)
elif self._fname:
region = ScanArea.ScanRegion.fromFile(self._fname,self._home)
else:
return
region.setVehicle(self._vehicle)
region.setAltitude(self._alt)
region.setBearing(self._bearing)
region.setSidelap(self._sidelap)
region.setOvershoot(self._overshoot)
region.setFindScanLineBounds(True)
scanner = self._spectrometer or Spectrometer.HeadwallNanoHyperspec()
scanner.setFramePeriod(self._scan_pd)
px_size = scanner.pixelSizeAt(self._alt)
region.setSpectrometer(scanner)
try:
region.findScanLines()
coords = region.flattenCoords()
bounds= region.boundBox
scanlines=region.scanLineBoundBoxes
dist = "%.2f"%(region.totalScanLength/1000)
speed = "%.2f"%region.scanVelocity
self._region = region
js_callback.Call(coords,bounds,dist,speed,px_size,scanlines)
except ScanArea.ScanLineDensityError:
err_callback.Call()
def setSpectrometer(self,val,js_callback=None):
try:
self._spectrometer = Spectrometer.spectrometerByName(val)()
except KeyError:
#got an unknown spectrometer name, silently pass
return
if(js_callback):
js_callback.Call(self._spectrometer.fieldOfView,
self._spectrometer.crossFieldOfView,
self._spectrometer.pixels)
def fromProjectShapeFile(Cls,shp_fname,home=None):
coords = SHPParse.findPolyCoords(shp_fname)
meta = SHPParse.findMeta(shp_fname)
print(meta['inst'][0])
if 'sidelap' in meta:
meta['sidelap'] = [s/100. for s in meta['sidelap']]
try:
spectrometer = Spectrometer.spectrometerByName(meta['inst'][0])()
except:
args= [meta[k][0]for k in ('fov','ifov','pixels','inst')]
spectrometer = Spectrometer.Spectrometer(*args)
#kwargs = {k:meta[k][0]for k in ('vehicle','alt','bearing','approach')}
'''
kwargs['overshoot'] = kwargs.pop('approach')
home = home or coords[0][0]
region = Cls(home,**kwargs)
names = meta['name']
for perimeter,name in zip(coords,names):
region.addScanArea(ScanArea(home,perimeter,name = name ))
region.setSpectrometer(spectrometer)
'''
return spectrometer,coords,meta
def setCustomSpectrometer(self,fov,ifov,px):
fov = float(fov)
ifov = float(ifov)
px = int(px)
self._spectrometer = Spectrometer.Spectrometer(fov,ifov,px,'Custom')
ext = os.path.splitext(fname)[1].lower()
for key in FILE_FUNC_TREE:
if ext in key:
dtype=FILE_FUNC_TREE[key]['type'](fname)
return FILE_FUNC_TREE[key][dtype](fname,home,**kwargs)
raise IOError("Unable to parse file {} into ScanRegion".format(fname))
if __name__ == '__main__':
import sys
region = ScanRegion.fromFile(sys.argv[1])
if len(sys.argv) > 3:
region.setAltitude(int(sys.argv[3]))
else:
region.setAltitude(60)
if len(sys.argv) > 4:
region.setBearing(int(sys.argv[4]))
else:
region.setBearing(45)
if len(sys.argv) > 5:
region.setSidelap(float(sys.argv[5]))
region.setFindScanLineBounds(True)
scanner = Spectrometer.HeadwallNanoHyperspec()
scanner.setFramePeriod(0.005)
region.setSpectrometer(scanner)
region.setOvershoot(30)
region.setVehicle('fullscale')
region.findScanLines()
region.toGPX(sys.argv[2])