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terrain4aAVR.py
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terrain4aAVR.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
Terrain4aAVR
A QGIS plugin
Outputs 300km square terrain data for arcAstroVR
Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
-------------------
begin : 2021-11-17
git sha : $Format:%H$
copyright : (C) 2021 by Kuninori Iwashiro (scienceNODE)
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
GZ 2024-02-11: Google Translated comments Japanese->English
GZ 2024-02-17: Fixed numerous issues, esp. inner terrain size now works,
better documentation
filling (preliminary) center coordinates into text edit line
use QgsMessageLog.logMessage() to have GDAL log messages (print does nothing!)
"""
from qgis.core import *
from qgis.gui import *
from qgis.utils import *
from qgis.PyQt.QtCore import *
from qgis.PyQt.QtGui import *
from qgis.PyQt.QtWidgets import *
# Initialize Qt resources from file resources.py
from .resources import *
# Import the code for the dialog
from .terrain4aAVR_dialog import Terrain4aAVRDialog
import os, sys, time, datetime
import processing
import numpy as np
from osgeo import gdal
class Terrain4aAVR:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'Terrain4aAVR_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&Terrain for arcAstroVR')
# Check if plugin was started the first time in current QGIS session
# Must be set in initGui() to survive plugin reloads
self.first_start = None
# 定数定義 || #constant definition
eqEarth: float = 1.156 # 等価地球半径（倍） || #equivalent earth radius (times)
self.A: float = 6378137.0 * eqEarth # a(地球楕円体長半径(赤道面平均半径)) || # a(Earth ellipsoid semimajor axis (equatorial plane mean radius))
ONE_F: float = 298.257223563 # 1 / f(地球楕円体扁平率=(a - b) / a) || # 1 / f(Earth ellipsoid oblateness = (a - b) / a)
self.B: float = self.A * (1.0 - 1.0 / ONE_F) # b(地球楕円体短半径) || # b(Earth ellipsoid minor axis)
self.E2: float = (1.0 / ONE_F) * (2 - (1.0 / ONE_F)) # e^2 = 2 * f - f * f = (a^2 - b^2) / a^2
self.ED2: float = self.E2 * self.A * self.A / (self.B * self.B) # e'^2= (a^2 - b^2) / b^2
self.ecef_o: list[float] = []
# Output specifications:
# - output_size: output width (m),
# - dem_mesh: Terrain resolution (cell size, m)
# - tex_mesh: Texture resolution (pixel size, m)
# Note that the Terrain size (dem_px) for Unity must be one of 32, 64, 128, 256, 1024, 2048, 4096px.
# Be careful as blocks tend to appear if the input data mesh resolution (dem_px) is
# finer than the output data mesh resolution (output_size). Ideally, they should match.
self.L_output_size: float = 300000
self.L_dem_px: int = 4096 * 3 # About 256*3 is appropriate for lightweight confirmation processing.
self.L_dem_mesh: float = self.L_output_size / self.L_dem_px # px size, m. This comes to a fixed size of 24.414m.
self.L_tex_mesh: float = self.L_dem_mesh # px size, m.
self.S_dem_px: int = 4096 # About 256 is appropriate for lightweight confirmation processing. Normally 4096
# GZ: The S_dem_mesh finally works after
# (1) being declared in __init__ here and
# (2) set in the spinbox event handler.
# (3) Also resetting S_output_size and self.S_tex_mesh there.
self.S_dem_mesh: float = 1.0
self.S_output_size: float = self.S_dem_px * self.S_dem_mesh # total size of inner DEM, m.
# preliminary pixel size of inner DEM texture. The final texture will further be resampled from this.
# GZ: I don't understand why you don't set S_tex_size immediately to 16384 with according pixel size.
self.S_tex_mesh: float = self.S_dem_mesh / 5
#QgsMessageLog.logMessage(message=f'S_dem_mesh={self.S_dem_mesh:.2f} m pixel size, '
# f'narrow area S_output_size=({self.S_output_size:.2f} m)²',
# tag='terrain4aAVR', level=Qgis.Info)
# Adjustment values for UnityTerrain:
# - zoffset: elevation offset,
# - h_max: how many meters to set the maximum value,
# - down: how many meters to lower the base terrain of the mask area)
# When h_max = 10000 and zoffset=1000, the relationship is as follows
# Elevation-1000m: GeoTiff=0, Unity Box=0
# Elevation 0m: GeoTiff=6553.6, Unity Box=1000
# Elevation 9000m: GeoTiff=65536, Unity Box=10000
self.zoffset: float = 1000
self.h_max: float = 10000
self.down: float = 3
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('Terrain4aAVR', message)
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
# Adds plugin icon to Plugins toolbar
self.iface.addToolBarIcon(action)
if add_to_menu:
self.iface.addPluginToMenu(
self.menu,
action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/terrain4aAVR/icon.png'
self.add_action(
icon_path,
text=self.tr(u'Terrain4aAVR'),
callback=self.run,
parent=self.iface.mainWindow())
# will be set False in run()
self.first_start = True
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
if not self.first_start:
self.marker.hide()
self.wideline.hide()
self.narrowline.hide()
self.canvas.scene().removeItem(self.marker)
self.canvas.scene().removeItem(self.wideline)
self.canvas.scene().removeItem(self.narrowline)
self.canvas.refreshAllLayers()
for action in self.actions:
self.iface.removePluginMenu(
self.tr(u'&Terrain maker for arcAstroVR'),
action)
self.iface.removeToolBarIcon(action)
def run(self):
"""Run method that performs all the real work"""
# Create the dialog with elements (after translation) and keep reference
# Only create GUI ONCE in callback, so that it will only load when the plugin is started
if self.first_start == True:
self.first_start = False
self.dlg = Terrain4aAVRDialog()
# PREPARE lineEdit
self.dlg.lineEdit1_1.clear()
# PREPARE COMBO BOX
self.dlg.comboBox2_1.clear()
self.dlg.comboBox2_2.clear()
self.dlg.comboBox2_3.clear()
self.dlg.comboBox3_1.clear()
self.dlg.comboBox3_2.clear()
self.dlg.comboBox3_3.clear()
self.dlg.comboBox4.clear()
self.layers = [layer for layer in QgsProject.instance().mapLayers().values()]
self.single_list = [] # layers for DSM ("single-channel"?)
self.single_list.append("")
self.multi_list = [] # layers for texture
self.multi_list.append("")
self.vector_list = [] # layers for Mask (TODO: Document usage!)
self.vector_list.append("")
for layer in self.layers:
if layer.type() == QgsMapLayer.VectorLayer:
if layer.geometryType() == QgsWkbTypes.PolygonGeometry:
self.vector_list.append(layer.name())
elif (layer.type() == QgsMapLayer.RasterLayer) and (layer.name() != "narrowTerrain_DTM") and (
layer.name() != "narrowTerrain_TEX") and (layer.name() != "wideTerrain_DTM") and (
layer.name() != "wideTerrain_TEX"):
if layer.rasterType() < 2:
self.single_list.append(layer.name())
else:
self.multi_list.append(layer.name())
self.dlg.comboBox2_1.addItems(self.single_list)
self.dlg.comboBox2_2.addItems(self.single_list)
self.dlg.comboBox2_3.addItems(self.multi_list)
self.dlg.comboBox3_1.addItems(self.single_list)
self.dlg.comboBox3_2.addItems(self.single_list)
self.dlg.comboBox3_3.addItems(self.multi_list)
self.dlg.comboBox4.addItems(self.vector_list)
# メインCanvasを取得 || #Get main Canvas
self.canvas = iface.mapCanvas()
# マーカー描画設定 || #Marker drawing settings
self.marker = QgsVertexMarker(self.canvas)
self.marker.setColor(QColor(255, 0, 0))
self.marker.setIconSize(20)
self.marker.setIconType(QgsVertexMarker.ICON_X)
self.marker.setPenWidth(1)
# ライン描画設定 || #Line drawing settings
self.wideline = QgsRubberBand(self.canvas, QgsWkbTypes.GeometryType.LineGeometry)
self.wideline.setColor(QColor(255, 0, 0))
self.wideline.setWidth(2)
self.narrowline = QgsRubberBand(self.canvas, QgsWkbTypes.GeometryType.LineGeometry)
self.narrowline.setColor(QColor(0, 255, 0))
self.narrowline.setWidth(2)
# lineEdit（緯度経度）のチェンジイベント || # lineEdit (latitude and longitude) change event
# self.dlg.lineEdit1_1.editingFinished.connect(self.lineEdit1Activated)
self.dlg.lineEdit1_1.textEdited.connect(self.lineEdit1Activated)
# comboBoxのチェンジイベント || # comboBox change event
self.dlg.comboBox2_1.currentIndexChanged.connect(self.combobox2Activated)
self.dlg.comboBox3_1.currentIndexChanged.connect(self.combobox3Activated)
# PREPARE SAVE Dir
self.dlg.mQgsFileWidget_outputPath.setFilePath(os.path.expanduser('~/Desktop'))
self.dlg.mQgsFileWidget_outputPath.setStorageMode(QgsFileWidget.StorageMode.GetDirectory)
self.dlg.mQgsFileWidget_outputPath.setDialogTitle("Select a save directory")
# doubleSpinBoxのチェンジイベント || # qdoubleSpinBox change event
self.dlg.doubleSpinBox.valueChanged.connect(self.spinboxActivated)
# show the dialog
self.dlg.show()
# メインcanvasのCRSをlat,lon中心の正射投影に変更
# Change CRS of main canvas to orthographic projection centered on lat,lon
self.lineEdit1Activated()
# Run the dialog event loop
result = self.dlg.exec_()
# See if OK was pressed
if result:
# Do something useful here - delete the line containing pass and
# substitute with your code.
self.main()
else:
self.wideline.hide()
self.narrowline.hide()
self.marker.hide()
# ダイアログチェンジイベント || #dialog change event
def lineEdit1Activated(self):
center_str = self.dlg.lineEdit1_1.text().split(",")
if len(center_str) == 2:
if self.isfloat(center_str[0]) and self.isfloat(center_str[1]):
self.lat = float(center_str[0]) # 緯度 || #latitude
self.lon = float(center_str[1]) # 経度 || #longitude
else:
# QMessageBox.information(None, 'Error', u'Invalid latitude/longitude values : Err code1')
return
else: # MapCanvas中心の緯度・経度取得 || #Get the latitude and longitude of the center of MapCanvas
if (center_str[0] != "") or len(center_str) > 2:
# QMessageBox.information(None, 'Error', u'Invalid latitude/longitude values : Err code2')
return
center = self.iface.mapCanvas().center()
canvas_crs = self.iface.mapCanvas().mapSettings().destinationCrs()
epsg4326_crs = QgsCoordinateReferenceSystem("EPSG:4326")
assert epsg4326_crs.isValid()
crs_trans = QgsCoordinateTransform(canvas_crs, epsg4326_crs, QgsProject.instance())
pt4326 = crs_trans.transform(center)
self.lat = float(pt4326.y()) # 緯度|| #latitude
self.lon = float(pt4326.x()) # 経度|| #longitude
if (self.lat < -90) or (self.lat > 90) or (self.lon < -180) or (self.lon > 180):
QMessageBox.information(None, 'Error', u'Invalid latitude/longitude values : Err code3')
else:
QgsMessageLog.logMessage(message=f'Center coordinates (lat={self.lat:10.8f}, lon={self.lon:10.8f})',
tag='terrain4aAVR', level=Qgis.Info)
# GZ: Also set the text input!
self.dlg.lineEdit1_1.setText(f'{self.lat: 8.10f}, {self.lon: 8.10f}')
# 指定座標を中心とした正斜投影のCRSをセット || #Set orthogonal projection CRS centered on specified coordinates
# Question (GZ): Why do you project on sphere, not on GRS80?
self.crs = QgsCoordinateReferenceSystem().fromProj(f'+proj=ortho +lat_0={self.lat:10.9} '
f'+lon_0={self.lon:10.9} +x_0=0 +y_0=0 '
'+ellps=sphere +units=m +no_defs')
QgsProject.instance().setCrs(self.crs)
# 指定座標にキャンバスを移動 || #Move the canvas to the specified coordinates
rect = QgsRectangle(QgsPointXY(-200000, -200000), QgsPointXY(+200000, +200000))
self.iface.mapCanvas().setExtent(rect)
self.iface.mapCanvas().refresh()
# 中心マーカー描画 || #center marker drawing
self.marker.setCenter(QgsPointXY(0, 0))
# 広域境界描画 || #Wide area boundary drawing
points = [QgsPoint(-150000, -150000), QgsPoint(-150000, 150000), QgsPoint(150000, 150000),
QgsPoint(150000, -150000), QgsPoint(-150000, -150000)]
self.wideline.setToGeometry(QgsGeometry.fromPolyline(points), None)
# キャンバス再描画 || #Canvas redraw
self.canvas.refreshAllLayers()
def combobox2Activated(self):
if self.dlg.comboBox2_1.currentIndex() != 0:
self.dlg.label2_2.setEnabled(True)
self.dlg.label2_3.setEnabled(True)
self.dlg.comboBox2_2.setEnabled(True)
self.dlg.comboBox2_3.setEnabled(True)
else:
self.dlg.label2_2.setEnabled(False)
self.dlg.label2_3.setEnabled(False)
self.dlg.comboBox2_2.setEnabled(False)
self.dlg.comboBox2_3.setEnabled(False)
def combobox3Activated(self):
if self.dlg.comboBox3_1.currentIndex() != 0:
self.dlg.label3_2.setEnabled(True)
self.dlg.label3_3.setEnabled(True)
self.dlg.label3_4.setEnabled(True)
self.dlg.label3_5.setEnabled(True)
self.dlg.comboBox3_2.setEnabled(True)
self.dlg.comboBox3_3.setEnabled(True)
self.dlg.doubleSpinBox.setEnabled(True)
self.narrowline.show()
self.spinboxActivated()
else:
self.dlg.label3_2.setEnabled(False)
self.dlg.label3_3.setEnabled(False)
self.dlg.label3_4.setEnabled(False)
self.dlg.label3_5.setEnabled(False)
self.dlg.comboBox3_2.setEnabled(False)
self.dlg.comboBox3_3.setEnabled(False)
self.dlg.doubleSpinBox.setEnabled(False)
self.narrowline.hide()
def spinboxActivated(self):
# GZ The round is important (GUI allows 1 decimal place), else some other grid becomes too large (L622)
self.S_dem_mesh = round(self.dlg.doubleSpinBox.value(), 1)
self.S_output_size = self.S_dem_px * self.S_dem_mesh # total size of inner DEM, m.
self.S_tex_mesh = self.S_dem_mesh / 5
area = self.S_dem_mesh * self.S_dem_px # inner square side length. (PixelSize * PixelCount)
self.dlg.label3_5.setText(f"（narrow area: {area:3.2f}m")
# 狭域境界描画 || #Narrow boundary drawing
points = [QgsPoint(-area / 2, -area / 2), QgsPoint(-area / 2, area / 2), QgsPoint(area / 2, area / 2),
QgsPoint(area / 2, -area / 2), QgsPoint(-area / 2, -area / 2)]
self.narrowline.setToGeometry(QgsGeometry.fromPolyline(points), None)
# noinspection PyMethodMayBeStatic
def isfloat(self, parameter):
"""Check that decimal point conversion is possible"""
if not parameter.isdecimal():
try:
float(parameter)
return True
except ValueError:
return False
else:
return True
# BLH (lat, lon, ht) -> ECEF 変換(x, y, z)
def blh2ecef(self, lat, lon, ht):
"""BLH (lat, lon, ht) -> ECEF conversion (x, y, z)
Geodetic lat/lon/ht to Earth-centered.
https://en.wikipedia.org/wiki/Geographic_coordinate_conversion
"""
lat_rad = np.deg2rad(lat)
lon_rad = np.deg2rad(lon)
# n = lambda x: self.A / np.sqrt(1.0 - self.E2 * np.sin(np.deg2rad(x))**2)
# x = (n(lat) + ht) * np.cos(lat_rad) * np.cos(lon_rad)
# y = (n(lat) + ht) * np.cos(lat_rad) * np.sin(lon_rad)
# z = (n(lat) * (1.0 - self.E2) + ht) * np.sin(lat_rad)
n_phi = self.A / np.sqrt(1.0 - self.E2 * np.sin(lat_rad) ** 2)
x = (n_phi + ht) * np.cos(lat_rad) * np.cos(lon_rad)
y = (n_phi + ht) * np.cos(lat_rad) * np.sin(lon_rad)
z = (n_phi * (1.0 - self.E2) + ht) * np.sin(lat_rad)
return [x, y, z]
# ECEF 変換(x, y, z) -> BLH (lat, lon, ht)
def ecef2blh(self, x, y, z):
"""ECEF conversion (x, y, z) -> BLH (lat, lon, ht)
Source: UNKNOWN. TODO: Please document!
"""
n = lambda x: self.A / np.sqrt(1.0 - self.E2 * np.sin(np.deg2rad(x)) ** 2)
p = np.sqrt(x * x + y * y)
theta = np.arctan2(z * self.A, p * self.B)
lat = np.rad2deg(
np.arctan2(z + self.ED2 * self.B * np.sin(theta) ** 3, p - self.E2 * self.A * np.cos(theta) ** 3))
lon = np.rad2deg(np.arctan2(y, x))
ht = (p / np.cos(np.deg2rad(lat))) - n(lat)
return [lat, lon, ht]
# noinspection PyMethodMayBeStatic
def mat_y(self, ang: float):
""" Rotation matrix around the y axis"""
a = np.deg2rad(ang)
c = np.cos(a)
s = np.sin(a)
return np.array([[c, 0.0, -s], [0.0, 1.0, 0.0], [s, 0.0, c]])
# noinspection PyMethodMayBeStatic
def mat_z(self, ang: float):
""" Rotation matrix around the z axis"""
a = np.deg2rad(ang)
c = np.cos(a)
s = np.sin(a)
return np.array([[c, s, 0.0], [-s, c, 0.0], [0.0, 0.0, 1.0]])
# noinspection PyMethodMayBeStatic
def saveimg(self, options: QgsMapSettings, path: str):
"""jpg output
:type options: QgsMapSettings
"""
render = QgsMapRendererParallelJob(options)
render.start()
render.waitForFinished()
img = render.renderedImage()
img.save(path, "jpg")
# 出力領域(m)：unity用Terrain対応の為に計算領域に+1pxの範囲を指定している
def terainCalc(self, width: float, dem_mesh: float, dem_layer: str, geo_layer: str, mask_layer: str, mask_array,
out_name: str):
"""Output area (m): +1px range is specified for calculation area to support Terrain for Unity
width: raster size (meters)
dem_mesh: target resolution (cell size, m)
dem_layer: name of DEM layer
geo_layer: name of geoid layer
mask_layer: name of mask layer (TODO: Document its use!)
mask_array
out_name: new name
"""
area_rect: str = '-' + str(width / 2) + ',' + str(width / 2 + dem_mesh) + ',-' + str(
width / 2 + dem_mesh) + ',' + str(width / 2)
layer : QgsMapLayer = QgsProject.instance().mapLayersByName(dem_layer)[0]
uri : str = layer.dataProvider().dataSourceUri()
# DTM：正斜投影で再投影し画像範囲でクリップ
# DTM: Reproject with orthographic projection and clip in image range
if (out_name == "narrowTerrain_DTM") and (mask_layer != ""):
# 詳細地形処理で且つマスク指定ありの場合 || #When using detailed terrain processing and with mask specified
# DTM：詳細地形をメモリ上にラスタ展開、 || #DTM: Raster development of detailed terrain in memory,
parameter = {'BANDS': [1], 'DATA_TYPE': 7, 'INPUT': uri, 'OPTIONS': '', 'OUTPUT': 'TEMPORARY_OUTPUT'}
memory_uri = processing.run('gdal:rearrange_bands', parameter)
# self.iface.addRasterLayer(memory_uri ['OUTPUT'], 'rearrangeDEM')
# Mask_Layerの領域下降処理 || #Mask_Layer area descending process
layer = QgsProject.instance().mapLayersByName(mask_layer)[0]
parameter = {'ADD': True, 'BURN': -self.down, 'EXTRA': '', 'INPUT': layer,
'INPUT_RASTER': memory_uri['OUTPUT'], 'OUTPUT': 'TEMPORARY_OUTPUT'}
memory_uri = processing.run('gdal:rasterize_over_fixed_value', parameter)
# self.iface.addRasterLayer(memory_uri ['OUTPUT'], 'over_fixedDEM')
parameter = { 'INPUT': memory_uri['OUTPUT'] }
#parameter = {'DATA_TYPE': 7, 'INPUT': memory_uri['OUTPUT'], 'OUTPUT': 'TEMPORARY_OUTPUT',
# 'TARGET_CRS': self.crs, 'TARGET_RESOLUTION': dem_mesh,
# 'TARGET_EXTENT': area_rect, 'TARGET_EXTENT_CRS': self.crs}
else: # ベース地形処理、またはマスク指定がない詳細地形処理
# Base terrain processing or detailed terrain processing without mask specification
parameter = {'INPUT': uri }
# Add common parameters
parameter |= {'DATA_TYPE': 7, 'OUTPUT': 'TEMPORARY_OUTPUT', 'TARGET_CRS': self.crs,
'TARGET_RESOLUTION': dem_mesh, 'TARGET_EXTENT': area_rect, 'TARGET_EXTENT_CRS': self.crs}
# TODO - DONE / GZ DEBUG: Why is TARGET RESOLUTION -tr always 5 if configured to be 0.5???
# GZ: If dem_mesh<layer_resolution, interpolate!!!! --> add RESAMPLING (bilinear)
if (dem_mesh < layer.rasterUnitsPerPixelX()):
parameter |= {'RESAMPLING': '1'}
QgsMessageLog.logMessage("DEM Processing " + str(parameter), tag='terrain4aAVR', level=Qgis.Info)
dem = processing.run('gdal:warpreproject', parameter)
# self.iface.addRasterLayer(dem['OUTPUT'], 'orthoDEM')
# DTM：numpy配列読み込み || #DTM: Read numpy array
src = gdal.Open(dem['OUTPUT'], gdal.GA_ReadOnly)
dem_array = src.GetRasterBand(1).ReadAsArray()
if (geo_layer != ""): # ジオイド指定がある場合 || #If there is a geoid specification
# GEOID：正斜投影で再投影し画像範囲でクリップ
# GEOID: Reproject with orthographic projection and clip by image range
layer = QgsProject.instance().mapLayersByName(geo_layer)[0]
uri = layer.dataProvider().dataSourceUri()
parameter = {'DATA_TYPE': 7, 'INPUT': uri, 'OUTPUT': 'TEMPORARY_OUTPUT', 'TARGET_CRS': self.crs,
'TARGET_RESOLUTION': dem_mesh, 'TARGET_EXTENT': area_rect, 'TARGET_EXTENT_CRS': self.crs}
geo = processing.run('gdal:warpreproject', parameter)
# self.iface.addRasterLayer(geo['OUTPUT'], 'orthoGEO')
# GEOID：numpy配列読み込み || #GEOID: read numpy array
src = gdal.Open(geo['OUTPUT'], gdal.GA_ReadOnly)
geo_array = src.GetRasterBand(1).ReadAsArray()
geo_array[geo_array < 0] = 0
# DTM/GEOID配列の統合 || #DTM/GEOID array integration
out_array = dem_array + geo_array
else: # ジオイド指定がない場合 || #If there is no geoid specification
QgsMessageLog.logMessage(out_name + " does not set GEOID", tag='terrain4aAVR', level=Qgis.Info)
out_array = dem_array
# プログレスバーの表示 || #Display progress bar
progressMessageBar = iface.messageBar().createMessage("Calculate DTM: " + dem_layer)
self.progress = QProgressBar()
self.progress.setMaximum(100)
self.progress.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
progressMessageBar.layout().addWidget(self.progress)
self.iface.messageBar().pushWidget(progressMessageBar, Qgis.Info)
# 球体補正値を加算 || #Add sphere correction value
half_width = width / 2
px_size = width / dem_mesh
plus_px_size = int(px_size + 1)
half_px_size = px_size / 2
co_prog = 100 / plus_px_size
co_level = 65536 / self.h_max
mask = False
if type(mask_array).__module__ == "numpy": # 詳細地形マスクの指定がある場合 || #If detailed terrain mask is specified
mask = True
mask_w = int(mask_array.shape[0] / 2)
for h in range(0, plus_px_size):
QApplication.processEvents()
self.progress.setValue(int(h * co_prog + 1))
for w in range(0, plus_px_size):
z = out_array[w, h] # 標高値 || #Elevation value
ecef_t = np.dot(self.mat, [w * dem_mesh - half_width, h * dem_mesh - half_width, 0])
ecef = np.add(self.ecef_o, ecef_t)
blh = self.ecef2blh(*ecef)
# blh[]=[lat, lon, ht]：blh[2]=球体降下値（+値）
# zoffset：標高オフセット、down：マスクエリアの降下量
# blh[]=[lat, lon, ht]: blh[2]=Sphere descent value (+ value)
# zoffset: Altitude offset, down: Amount of descent of mask area
level = (z - blh[2] + self.zoffset) * co_level # 0〜65536(-1000m=0, 0m=6553, 9000m=65536)：球体補正後の高さ || Height after sphere correction
# 詳細マスク付き基本地形 || #Basic terrain with detailed mask
if out_name == "wideTerrain_DTM" and mask:
center_x = int(w - half_px_size)
center_y = int(h - half_px_size)
if abs(center_x) < mask_w and abs(center_y) < mask_w:
# マスク領域内の処理 || #Processing within the mask area
mask_z = mask_array[int(center_x + mask_w), int(center_y + mask_w)]
# 0〜65536(-1000m=0, 0m=6553, 9000m=65536)：球体補正後の高さ || Height after sphere correction
if mask_z > (self.zoffset - blh[2]) * co_level:
# 詳細地形が地球楕円体より高い場合は、詳細地形-self.downを基本地形にセットする。
# #If the detailed terrain is higher than the earth ellipsoid, set detailed terrain-self.down to the basic terrain.
level = mask_z - self.down * co_level
# 詳細マスクなし基本地形 / 詳細地形：標高データが水面より下の場合、地球楕円体-1mを設定
# Basic terrain without detailed mask / Detailed terrain: If the elevation data is below the water surface, set earth ellipsoid -1m
elif dem_array[w, h] <= 0:
level = (self.zoffset - blh[2] - 1) * co_level
# 全ての地形 || #all terrain
if dem_array[w, h] == np.nan or level < 0:
# nodataまたは球体補正後の高さが負の場合は0を設定
# Set 0 if nodata or height after sphere correction is negative
level = 0
out_array[w, h] = level
# プログレスバーの非表示 || #Hide progress bar
self.iface.messageBar().clearWidgets()
# geotiff書き出し || #export geotiff
geotransform = src.GetGeoTransform()
originY = geotransform[3]
originX = geotransform[0]
dst = self.output_path + out_name + ".tif"
dtype = gdal.GDT_UInt16 # others: gdal.GDT_Byte, ...
band = 1 # バンド数 || # Number of bands
dst_raster = gdal.GetDriverByName('GTiff').Create(dst, int(px_size + 1), int(px_size + 1), band, dtype)
dst_raster.SetGeoTransform((originX, dem_mesh, 0, originY, 0, -dem_mesh))
dst_band = dst_raster.GetRasterBand(1)
# GZ These 2 numpy arrays only for diagnostics -- sometimes sizes don't match!
array_dst_band = np.array(dst_band)
array_out_array = np.array(out_array)
QgsMessageLog.logMessage('Raster sizes:'
f' dst_size {int(px_size + 1)}x{int(px_size + 1)} / {int(px_size + 1)**2}, '
f' dst_band {array_dst_band.shape} / {array_dst_band.size},'
f' out_array {array_out_array.shape} / {array_out_array.size}',
tag='terrain4aAVR', level=Qgis.Info)
dst_band.WriteArray(out_array)
dst_band.FlushCache()
dst_raster = None
# レイヤー追加 || #Add layer
layertree = QgsProject.instance().layerTreeRoot()
try:
layer = QgsProject.instance().mapLayersByName(out_name)[0]
except IndexError:
pass
else:
QgsProject.instance().removeMapLayer(layer)
layer = self.iface.addRasterLayer(dst, out_name)
layer.setCrs(self.crs)
return out_array, dst
# 出力領域(m) || #Output area (m)
def textureCalc(self, width: float, tex_mesh: float, tex_layer: str, out_name: str):
"""Create a square texture
width: new size, meters, but as float
tex_mesh: resolution (pixel size), m/px
tex_layer: name of texture layer
"""
QgsMessageLog.logMessage(message=f'textureCalc: width={width}, tex_mesh={tex_mesh}, tex_layer={tex_layer}, out_name={out_name}',
tag='terrain4aAVR', level=Qgis.Info)
area_rect: str = f'-{width / 2},{width / 2},-{width / 2},{width / 2}'
# TEXTURE：Canvasの投影形式でxyzタイルを画像範囲でクリップ
# TEXTURE: Clip xyz tiles by image range in Canvas projection format
layer = QgsProject.instance().mapLayersByName(tex_layer)[0]
uri = layer.dataProvider().dataSourceUri()
parameters = {'EXTENT': area_rect, 'LAYERS': [uri], 'MAP_UNITS_PER_PIXEL': tex_mesh,
'OUTPUT': 'TEMPORARY_OUTPUT', 'TILE_SIZE': width / tex_mesh}
# GZ DEBUG OUTPUT
QgsMessageLog.logMessage(message="Processing: call QGIS:rasterize with parameters:" + str(parameters),
tag='terrain4aAVR', level=Qgis.Info)
tex = processing.run('qgis:rasterize', parameters)
# layertree = QgsProject.instance().layerTreeRoot()
try:
layer = QgsProject.instance().mapLayersByName(out_name)[0]
except IndexError:
pass
else:
QgsProject.instance().removeMapLayer(layer)
layer = self.iface.addRasterLayer(tex['OUTPUT'], out_name)
layer.setCrs(self.crs)
def main(self):
# レイヤーの初期設定
# Layer initial settings.
# GZ: I think we can delete the empty pre-initializer.
# L_dem_layer = ""
# L_geo_layer = ""
# L_tex_layer = ""
# S_dem_layer = ""
# S_geo_layer = ""
# S_tex_layer = ""
# mask_layer = ""
# TODO: Decide upon one of these to avoid a deprecation warning. For now, we don't handle exceptions,
# so just not use them.
gdal.DontUseExceptions()
#gdal.UseExceptions()
self.output_path: str = self.dlg.mQgsFileWidget_outputPath.filePath() + "/"
if self.output_path == "/":
QMessageBox.information(None, 'Error', u'Destination not specified : Err code4')
return
else:
QgsMessageLog.logMessage("Save to =" + self.output_path, tag='terrain4aAVR', level=Qgis.Info)
# 入力レイヤー（L_はベース地形用、S_は詳細地形用）
# Input layer (L_ is for base terrain, S_ is for detailed terrain)
# TODO: It would be easier to read if the GUI elements were renamed in the .ui file.
L_dem_layer: str = self.single_list[self.dlg.comboBox2_1.currentIndex()]
L_geo_layer: str = self.single_list[self.dlg.comboBox2_2.currentIndex()]
L_tex_layer: str = self.multi_list[self.dlg.comboBox2_3.currentIndex()]
S_dem_layer: str = self.single_list[self.dlg.comboBox3_1.currentIndex()]
S_geo_layer: str = self.single_list[self.dlg.comboBox3_2.currentIndex()]
S_tex_layer: str = self.multi_list[self.dlg.comboBox3_3.currentIndex()]
mask_layer: str = self.vector_list[self.dlg.comboBox4.currentIndex()]
QgsMessageLog.logMessage("wideTerrain layer=" + L_dem_layer + ", " + L_geo_layer + ", " + L_tex_layer,
tag='terrain4aAVR', level=Qgis.Info)
QgsMessageLog.logMessage("narrowTerrain layer=" + S_dem_layer + ", " + S_geo_layer + ", " + S_tex_layer,
tag='terrain4aAVR', level=Qgis.Info)
QgsMessageLog.logMessage("Mask layer=" + mask_layer, tag='terrain4aAVR', level=Qgis.Info)
if (self.dlg.comboBox2_1.currentIndex() == 0) and (self.dlg.comboBox3_1.currentIndex() == 0):
QMessageBox.information(None, 'Error', u'DEM layer not specified : Err code5')
return
# 時間計測開始 || #Start time measurement
start = time.time()
QgsMessageLog.logMessage("Start time=" + str(datetime.datetime.now()), tag='terrain4aAVR', level=Qgis.Info)
# ERN->ECEF変換行列の作製 || #Create ERN->ECEF conversion matrix
mat_0 = self.mat_z(-90.0)
mat_1 = self.mat_y(self.lat - 90.0)
mat_2 = self.mat_z(-self.lon)
self.mat = np.dot(np.dot(mat_2, mat_1), mat_0)
# 原点のECEFを取得 || #Get the origin ECEF
self.ecef_o = self.blh2ecef(self.lat, self.lon, 0)
# 詳細地形の処理++++++++++++++++++
# Detailed terrain processing++++++++++++++++++
if (S_dem_layer != ""):
# Terrain作成 || #Create Terrain
S_out, S_uri = self.terainCalc(self.S_output_size, self.S_dem_mesh, S_dem_layer, S_geo_layer, mask_layer, 0,
"narrowTerrain_DTM")
# raw保存(リトルエンディアン形式"<" 符号なし16ビット"u2") https://note.nkmk.me/python-numpy-dtype-astype/
# Save raw (little endian format "<" unsigned 16 bit "u2")
S_out.astype('<u2').tofile(self.output_path + "terrain00.raw")
if (S_tex_layer != ""):
# Texture作成 || #Texture creation
self.textureCalc(self.S_output_size, self.S_tex_mesh, S_tex_layer, "narrowTerrain_TEX")
pxsize = self.S_output_size / self.S_tex_mesh
if pxsize > 16384:
pxsize = 16384
texlayer = QgsProject.instance().mapLayersByName("narrowTerrain_TEX")[0]
options = QgsMapSettings()
options.setLayers([texlayer])
options.setBackgroundColor(QColor(0, 0, 0))
options.setOutputSize(QSize(pxsize, pxsize))
options.setExtent(QgsRectangle(-self.S_output_size / 2, self.S_output_size / 2,
self.S_output_size / 2, -self.S_output_size / 2))
self.saveimg(options, self.output_path + "terrain00.jpg")
# Terrain Mask用Array作成 || #Creating an array for Terrain Mask
s_width = str(self.S_output_size / 2)
area_rect = '-' + s_width + ',' + s_width + ',-' + s_width + ',' + s_width
# 正斜投影・近傍の最小値データ（ 'RESAMPLING' : 8）で再投影しベース地形解像度でクリップし直し
# Reproject with orthographic projection/neighboring minimum value data ('RESAMPLING': 8)
# and re-clip with base terrain resolution
uri = S_uri
parameter = {'DATA_TYPE': 7, 'INPUT': uri, 'OUTPUT': 'TEMPORARY_OUTPUT', 'RESAMPLING': 8,
'TARGET_CRS': self.crs, 'TARGET_RESOLUTION': self.L_dem_mesh,
'TARGET_EXTENT': area_rect, 'TARGET_EXTENT_CRS': self.crs}
mask = processing.run('gdal:warpreproject', parameter)
# iface.addRasterLayer(mask['OUTPUT'], 'areaTerrain_MASK')
# areaTerrain_MASK：numpy配列読み込み
# areaTerrain_MASK: read numpy array
src = gdal.Open(mask['OUTPUT'], gdal.GA_ReadOnly)
dem_mask = src.GetRasterBand(1).ReadAsArray()
else:
dem_mask = [[]]
# ベース地形の処理++++++++++++++++++ || #Base terrain processing++++++++++++++++++
if (L_dem_layer != ""):
# Terrain作成 || #Create Terrain
L_out, L_uri = self.terainCalc(self.L_output_size, self.L_dem_mesh, L_dem_layer, L_geo_layer,
mask_layer, dem_mask, "wideTerrain_DTM")
arr11 = L_out[:int(self.L_dem_px / 3 + 1), :int(self.L_dem_px / 3 + 1)]
arr12 = L_out[:int(self.L_dem_px / 3 + 1), int(self.L_dem_px / 3):int(self.L_dem_px * 2 / 3 + 1)]
arr13 = L_out[:int(self.L_dem_px / 3 + 1), int(self.L_dem_px * 2 / 3):]
arr21 = L_out[int(self.L_dem_px / 3):int(self.L_dem_px * 2 / 3 + 1), :int(self.L_dem_px / 3 + 1)]
arr22 = L_out[int(self.L_dem_px / 3):int(self.L_dem_px * 2 / 3 + 1),
int(self.L_dem_px / 3):int(self.L_dem_px * 2 / 3 + 1)]
arr23 = L_out[int(self.L_dem_px / 3):int(self.L_dem_px * 2 / 3 + 1), int(self.L_dem_px * 2 / 3):]
arr31 = L_out[int(self.L_dem_px * 2 / 3):, :int(self.L_dem_px / 3 + 1)]
arr32 = L_out[int(self.L_dem_px * 2 / 3):, int(self.L_dem_px / 3):int(self.L_dem_px * 2 / 3 + 1)]
arr33 = L_out[int(self.L_dem_px * 2 / 3):, int(self.L_dem_px * 2 / 3):]
# raw保存(リトルエンディアン形式"<" 符号なし16ビット"u2") https://note.nkmk.me/python-numpy-dtype-astype/
# Save raw (little endian format "<" unsigned 16 bit "u2") https://note.nkmk.me/python-numpy-dtype-astype/
arr11.astype('<u2').tofile(self.output_path + "terrain11.raw")
arr12.astype('<u2').tofile(self.output_path + "terrain12.raw")
arr13.astype('<u2').tofile(self.output_path + "terrain13.raw")
arr21.astype('<u2').tofile(self.output_path + "terrain21.raw")
arr22.astype('<u2').tofile(self.output_path + "terrain22.raw")
arr23.astype('<u2').tofile(self.output_path + "terrain23.raw")
arr31.astype('<u2').tofile(self.output_path + "terrain31.raw")
arr32.astype('<u2').tofile(self.output_path + "terrain32.raw")
arr33.astype('<u2').tofile(self.output_path + "terrain33.raw")
if (L_tex_layer != ""):
# Texture作成 || #Texture creation
self.textureCalc(self.L_output_size, self.L_tex_mesh, L_tex_layer, "wideTerrain_TEX")
texlayer = QgsProject.instance().mapLayersByName("wideTerrain_TEX")[0]
options = QgsMapSettings()
options.setLayers([texlayer])
options.setBackgroundColor(QColor(0, 0, 0))
options.setOutputSize(QSize(self.L_dem_px / 3, self.L_dem_px / 3))
options.setExtent(QgsRectangle(-self.L_output_size / 2, self.L_output_size / 2,
-self.L_output_size / 6, self.L_output_size / 6))
self.saveimg(options, self.output_path + "terrain11.jpg")
options.setExtent(QgsRectangle(-self.L_output_size / 6, self.L_output_size / 2,
self.L_output_size / 6, self.L_output_size / 6))
self.saveimg(options, self.output_path + "terrain12.jpg")
options.setExtent(QgsRectangle(self.L_output_size / 6, self.L_output_size / 2,
self.L_output_size / 2, self.L_output_size / 6))
self.saveimg(options, self.output_path + "terrain13.jpg")
options.setExtent(QgsRectangle(-self.L_output_size / 2, self.L_output_size / 6,
-self.L_output_size / 6, -self.L_output_size / 6))
self.saveimg(options, self.output_path + "terrain21.jpg")
options.setExtent(QgsRectangle(-self.L_output_size / 6, self.L_output_size / 6,
self.L_output_size / 6, -self.L_output_size / 6))
self.saveimg(options, self.output_path + "terrain22.jpg")
options.setExtent(QgsRectangle(self.L_output_size / 6, self.L_output_size / 6,
self.L_output_size / 2, -self.L_output_size / 6))
self.saveimg(options, self.output_path + "terrain23.jpg")
options.setExtent(QgsRectangle(-self.L_output_size / 2, -self.L_output_size / 6,
-self.L_output_size / 6, -self.L_output_size / 2))
self.saveimg(options, self.output_path + "terrain31.jpg")
options.setExtent(QgsRectangle(-self.L_output_size / 6, -self.L_output_size / 6,
self.L_output_size / 6, -self.L_output_size / 2))
self.saveimg(options, self.output_path + "terrain32.jpg")
options.setExtent(QgsRectangle(self.L_output_size / 6, -self.L_output_size / 6,
self.L_output_size / 2, -self.L_output_size / 2))
self.saveimg(options, self.output_path + "terrain33.jpg")
# レイヤの表示順（areTex>areaDTM>baseTEX>baseDTM）を変更++++++++++++++++++
# Change layer display order (areTex>areaDTM>baseTEX>baseDTM)++++++++++++++++++
layertree = QgsProject.instance().layerTreeRoot()
try:
layer = QgsProject.instance().mapLayersByName("wideTerrain_DTM")[0]
except IndexError:
pass
else:
lt = layertree.findLayer(layer.id())
lt_clone = lt.clone()
layertree.insertChildNode(0, lt_clone)
layertree.removeChildNode(lt)
layertree = QgsProject.instance().layerTreeRoot()
try:
layer = QgsProject.instance().mapLayersByName("narrowTerrain_TEX")[0]
except IndexError:
pass
else:
lt = layertree.findLayer(layer.id())
lt_clone = lt.clone()
layertree.insertChildNode(0, lt_clone)
layertree.removeChildNode(lt)
layertree = QgsProject.instance().layerTreeRoot()
try:
layer = QgsProject.instance().mapLayersByName("narrowTerrain_DTM")[0]
except IndexError:
pass
else:
lt = layertree.findLayer(layer.id())
lt_clone = lt.clone()
layertree.insertChildNode(0, lt_clone)
layertree.removeChildNode(lt)
# 出力時間============================ || #Output time ============================
elapsed_time = int(time.time() - start)
elapsed_hour = elapsed_time // 3600
elapsed_minute = (elapsed_time % 3600) // 60
elapsed_second = (elapsed_time % 3600 % 60)
QgsMessageLog.logMessage(message="output time={0}:{1}:{2}".format(str(elapsed_hour).zfill(2),
str(elapsed_minute).zfill(2),
str(elapsed_second).zfill(2)),
tag='terrain4aAVR', level=Qgis.Info)