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omniscapeImpactTransformer.py
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omniscapeImpactTransformer.py
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## omniscapeImpact
import pysyncrosim as ps
import pandas as pd
import os
import rasterio
import numpy as np
import itertools
import sys
# Validation for base package version ------------------------------------------
mySession = ps.Session()
packagesInstalled = mySession.packages()
omniscapeVersion = packagesInstalled.Version[packagesInstalled.Name == "omniscape"]
if pd.unique(omniscapeVersion)[0] != "1.1.0":
sys.exit("The omniscapeImpact add-on package version 1.0.0 requires the omniscape base package version 1.1.0.")
# Set up -----------------------------------------------------------------------
ps.environment.progress_bar(message="Setting up Scenario", report_type="message")
# Set environment and working directory
e = ps.environment._environment()
wrkDir = e.output_directory.item()
# Open SyncroSim Library, Project and Scenario
myLibrary = ps.Library()
myProject = myLibrary.projects(pid = 1)
myScenarioID = e.scenario_id.item()
myScenario = myLibrary.scenarios(myScenarioID)
myScenarioParentID = int(myScenario.parent_id)
myParentScenario = myLibrary.scenarios(sid = myScenarioParentID)
# Create directory, if applicable
outputCategoryPath = os.path.join(wrkDir, "Scenario-" + repr(myScenarioID), "omniscapeImpact_outputSpatialCategory")
outputOverallPath = os.path.join(wrkDir, "Scenario-" + repr(myScenarioID), "omniscapeImpact_outputSpatialOverall")
if os.path.exists(outputCategoryPath) == False:
os.makedirs(outputCategoryPath)
if os.path.exists(outputOverallPath) == False:
os.makedirs(outputOverallPath)
# Load input and settings from SyncroSim Library -------------------------------
# Input datasheets
movementTypeClasses = myProject.datasheets(name = "omniscape_movementTypes", include_key = True)
differenceScenarios = myScenario.datasheets(name = "omniscapeImpact_differenceScenarios")
# Validation for inputs --------------------------------------------------------
if movementTypeClasses.empty:
sys.exit("'Category Thresholds' are required.")
if (len(differenceScenarios.Baseline) == 0) | (len(differenceScenarios.Alternative) == 0):
sys.exit("'Baseline Scenario ID' and 'Alternative Scenario ID' are required.")
# Open baseline and alternative scenario results -------------------------------
# Detect if Parent or Result Scenario IDs
allScenarios = myProject.scenarios(optional = True)
baseScenarioTable = allScenarios[allScenarios.ScenarioID == int(differenceScenarios.Baseline[0])]
altrScenarioTable = allScenarios[allScenarios.ScenarioID == int(differenceScenarios.Alternative[0])]
# Load Results Scenario for the baseline scenario
if "Yes" in np.unique(baseScenarioTable.IsResult):
baseScenario = myLibrary.scenarios(int(differenceScenarios.Baseline[0]))
else:
baseScenarios = allScenarios[allScenarios.ParentID == int(differenceScenarios.Baseline[0])]
if baseScenarios.empty:
sys.exit("No results were found for the Baseline Scenario.")
else:
baseResultID = max(baseScenarios.ScenarioID)
baseScenario = myLibrary.scenarios(baseResultID)
# Load Results Scenario for the alternative scenario
if "Yes" in np.unique(altrScenarioTable.IsResult):
altrScenario = myLibrary.scenarios(int(differenceScenarios.Alternative[0]))
else:
altrScenarios = allScenarios[allScenarios.ParentID == int(differenceScenarios.Alternative[0])]
if altrScenarios.empty:
sys.exit("No results were found for the Alternative Scenario.")
else:
altrResultID = max(altrScenarios.ScenarioID)
altrScenario = myLibrary.scenarios(altrResultID)
# Load input datasheets for each scenario
baseOmniscapeOutput = baseScenario.datasheets(name = "omniscape_outputSpatial", show_full_paths = True)
altrOmniscapeOutput = altrScenario.datasheets(name = "omniscape_outputSpatial", show_full_paths = True)
baseRasterPath = baseScenario.datasheets(name = "omniscape_outputSpatialMovement", show_full_paths = True)
altrRasterPath = altrScenario.datasheets(name = "omniscape_outputSpatialMovement", show_full_paths = True)
baseTabular = baseScenario.datasheets(name = "omniscape_outputTabularReclassification")
altrTabular = altrScenario.datasheets(name = "omniscape_outputTabularReclassification")
# Validation for baseline & alternative scenarios results ----------------------
if baseOmniscapeOutput.normalized_cum_currmap[0] != baseOmniscapeOutput.normalized_cum_currmap[0]:
sys.exit("'Normalized current' raster is required for the Baseline Scenario.")
if altrOmniscapeOutput.normalized_cum_currmap[0] != altrOmniscapeOutput.normalized_cum_currmap[0]:
sys.exit("'Normalized current' raster is required for the Alternative Scenario.")
if (baseRasterPath.empty) | (altrRasterPath.empty):
if (baseRasterPath.empty) & (altrRasterPath.empty):
ps.environment.update_run_log("'Connectivity categories' raster files are missing. Therefore, only the 'Normalized current' raster files were used.")
else:
ps.environment.update_run_log("The 'Connectivity categories' raster for one of the Scenarios was missing. Therefore, only the 'Normalized current' raster files were used.")
if (baseTabular.empty) | (altrTabular.empty):
if (baseTabular.empty) & (altrTabular.empty):
ps.environment.update_run_log("'Connectivity Categories Summary' datasheets are missing. Therefore, no tabular summary was calculated.")
else:
ps.environment.update_run_log("The 'Connectivity Categories Summary' datasheet for one of the Scenarios was missing. Therefore, no tabular summary was calculated.")
# Calculate spatial differences & Jaccard similarity ---------------------------
ps.environment.progress_bar(message="Calculating spatial differences", report_type="message")
# Normalized current -----------------------------
if (baseOmniscapeOutput.normalized_cum_currmap[0] == baseOmniscapeOutput.normalized_cum_currmap[0]) & (altrOmniscapeOutput.normalized_cum_currmap[0] == altrOmniscapeOutput.normalized_cum_currmap[0]):
# Load normalized current raster
baseNormRaster = rasterio.open(baseOmniscapeOutput.normalized_cum_currmap[0])
altrNormRaster = rasterio.open(altrOmniscapeOutput.normalized_cum_currmap[0])
# Transform raster into dataframe
baseNormData = baseNormRaster.read()
altrNormData = altrNormRaster.read()
# Reset data as float
baseNormData.astype(float)
altrNormData.astype(float)
# Calculate the overall impact of the intervention as absolute change
normDifference = altrNormData - baseNormData
# Set NA back to -9999
normDifference[(baseNormData == -9999) & (altrNormData == -9999)] = -9999
# Save output raster to file
outMeta = baseNormRaster.meta
with rasterio.open(
os.path.join(outputOverallPath, "normalizedCurrentImpact.tif"),
mode="w", **outMeta) as outputRaster:
outputRaster.write(normDifference)
# Load empty output datasheet
outputSpatialOverall = myScenario.datasheets(name = "omniscapeImpact_outputSpatialOverall")
# Save path the to file
outputSpatialOverall.overallCurrentDifferenceRaster = pd.Series(os.path.join(outputOverallPath, "normalizedCurrentImpact.tif"))
# Save outputs to SyncroSim Library
myParentScenario.save_datasheet(name = "omniscapeImpact_outputSpatialOverall", data = outputSpatialOverall)
# Connectivity categories ------------------------
if (len(baseRasterPath) != 0) & (len(altrRasterPath) != 0):
# Load connectivity category raster
baseRaster = rasterio.open(baseRasterPath.movement_types[0])
altrRaster = rasterio.open(altrRasterPath.movement_types[0])
# Transform raster into dataframe
baseData = baseRaster.read()
altrData = altrRaster.read()
baseData.astype(float)
altrData = altrRaster.read()
# Calculate the overall impact of the intervention
overallImpact = altrData - baseData
# Set NA back to -9999
overallImpact[(altrData == -9999) & (baseData == -9999)] = -9999
# Save output raster to file
outMeta = baseRaster.meta
with rasterio.open(
os.path.join(outputOverallPath, "connectivityCategoryImpact.tif"),
mode="w", **outMeta) as outputRaster:
outputRaster.write(overallImpact)
# Save path the to file
outputSpatialOverall.overallDifferenceRaster = pd.Series(os.path.join(outputOverallPath, "connectivityCategoryImpact.tif"))
# Save outputs to SyncroSim Library
myParentScenario.save_datasheet(name = "omniscapeImpact_outputSpatialOverall", data = outputSpatialOverall)
# Jaccard dissimilarity --------------------------
# Get unique connectivity categories
unique = np.unique(baseData)
# Transform array into dataframe
unique = pd.DataFrame(unique)
# Remove NA value
uniqueClass = unique[(unique[0].isin(movementTypeClasses.classID))]
baseReclassList = []
altrReclassList = []
# Load empty output datasheet
outputSpatialCategory = myScenario.datasheets(name = "omniscapeImpact_outputSpatialCategory")
outputTabularJaccard = myScenario.datasheets(name = "omniscapeImpact_outputTabularJaccard")
# For each connectivity category
for i in uniqueClass[0]:
# Create a copy of the connectivity category dataframe
baseTempRaster = baseData.copy()
altrTempRaster = altrData.copy()
# Create binary map
baseTempRaster[np.where(baseData != i)] = 0
baseTempRaster[np.where(baseData == i)] = 1
altrTempRaster[np.where(altrData != i)] = 0
altrTempRaster[np.where(altrData == i)] = 1
baseReclassList.append(baseTempRaster)
altrReclassList.append(altrTempRaster)
# Calculate the difference between alternative and baseline scenarios
differenceRaster = altrTempRaster - baseTempRaster
similarityRaster = altrTempRaster + baseTempRaster
# Set 0 to NA using -9999 flag
differenceRaster[(differenceRaster == 0) & (similarityRaster != 2)] = -9999
# Save output raster to file
with rasterio.open(os.path.join(outputCategoryPath, "connectivityDifference_" + repr(i) + ".tif"), mode="w", **outMeta) as outputRaster: outputRaster.write(differenceRaster)
# Get internal ID for the connectivity category
movementTypeID = movementTypeClasses.movementTypesID[movementTypeClasses.classID == i]
# Save path the to file
outputSpatialCategory.loc[len(outputSpatialCategory.index)] = [int(movementTypeID), os.path.join(outputCategoryPath, "connectivityDifference_" + repr(i) + ".tif")]
# Calculate Jaccard similarity
rasterIntersection = similarityRaster == 2
rasterUnion = similarityRaster >= 1
jaccardDissimilarity = 1 - (rasterIntersection.sum() / rasterUnion.sum())
# Save values
outputTabularJaccard.loc[len(outputTabularJaccard.index)] = [int(movementTypeID), jaccardDissimilarity]
# Change movementTypeID from float to integer
outputTabularJaccard.movementTypesID = outputTabularJaccard.movementTypesID.astype(int)
# Save outputs to SyncroSim Library
myParentScenario.save_datasheet(name = "omniscapeImpact_outputSpatialCategory", data = outputSpatialCategory)
myParentScenario.save_datasheet(name = "omniscapeImpact_outputTabularJaccard", data = outputTabularJaccard)
# Calculate tabular differences ------------------------------------------------
ps.environment.progress_bar(message="Calculating tabular differences", report_type="message")
if (len(baseTabular) != 0) & (len(altrTabular) != 0):
# Calculate change in area and percent cover
diffArea = altrTabular.amountArea - baseTabular.amountArea
diffCover = altrTabular.percentCover - baseTabular.percentCover
# Create tabular output
diffSummary = pd.concat([baseTabular.movementTypesID, diffArea, diffCover], axis = 1, ignore_index = True)
diffSummary = diffSummary.rename(columns = {0: "movementTypesID", 1:"amountAreaDifference", 2:"percentCoverDifference"})
# Get unique connectivity categories
uniqueCategory = pd.unique(movementTypeClasses['classID'].astype('int16'))
# Get list of all possible combinations of change between connectivity categories
categoryTransitions = list(itertools.product(uniqueCategory, uniqueCategory))
# Load empty output datasheet
outputTabularChange = myScenario.datasheets("omniscapeImpact_outputTabularChange")
# For each connectivity category
for transition in categoryTransitions:
# Create a copy of the connectivity category dataframe
baseTempRaster = baseData.copy()
altrTempRaster = altrData.copy()
# Create a binary map for a category and scenario
baseClassRaster = (baseTempRaster == transition[0]) * 1
altrClassRaster = (altrTempRaster == transition[1]) * 1
# Calculate binary map sum
sumRaster = baseClassRaster + altrClassRaster
# Identify where category X transitioned to category Y
transitionRaster = (sumRaster == 2) * 1
unique, counts = np.unique(transitionRaster, return_counts = True)
unique = pd.DataFrame(unique)
unique[0] = unique[0].astype(int)
freq = pd.DataFrame(counts)
uniqueFreq = pd.concat([unique, freq], axis = 1, ignore_index = True)
if 1 in uniqueFreq[0]:
percentCover = uniqueFreq[1]/uniqueFreq[1].sum()
amountArea = (uniqueFreq[1] * baseRaster.res[1] * baseRaster.res[1])/1000000
tempTabularChange = pd.concat([uniqueFreq[0], amountArea, percentCover], axis = 1, ignore_index = True)
tempTabularChange = tempTabularChange[tempTabularChange[0] == 1]
outputTabularChange.loc[len(outputTabularChange.index)] = [int(transition[0]), int(transition[1]), float(tempTabularChange[1]), float(tempTabularChange[2])]
else:
percentCover = 0
amountArea = 0
outputTabularChange.loc[len(outputTabularChange.index)] = [int(transition[0]), int(transition[1]), float(amountArea), float(percentCover)]
# Change movementTypesID string to class
movementStringToClass = pd.DataFrame({'movementTypesID': movementTypeClasses.movementTypesID,
'Name': movementTypeClasses.Name})
dS2C = movementStringToClass.set_index('Name').to_dict()
diffSummary = diffSummary.replace(dS2C['movementTypesID'])
# Change movementTypesID class to string
movementClassToString = pd.DataFrame({'classID': movementTypeClasses.classID.astype(float),
'Name': movementTypeClasses.Name})
dC2S = movementClassToString.set_index('classID').to_dict()
outputTabularChange = outputTabularChange.replace(dC2S['Name'])
# Save outputs to SyncroSim Library
myParentScenario.save_datasheet(name = "omniscapeImpact_outputTabularDifferences", data = diffSummary)
myParentScenario.save_datasheet(name = "omniscapeImpact_outputTabularChange", data = outputTabularChange)