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changelog.md

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 # FTOT Change Log
 
+## v2020_1
+TABLEAU DASHBOARDS
+- New Scenario Compare Workbook for comparing multiple FTOT scenarios in one Tableau workbook.
+- Scenario Compare utility updated in FTOT Tools.py - now concatenates multiple scenarios and creates a new packaged Tableau workbook. 
+- Cost and volume numbers buffered to prevent overlap with mode graphics
+- Facilities map tool tips no longer display metadata. 
+- Changes the config output from the S step (first one) to O2 step.
+- Pipeline symbology fixes
+- Runtimes now reported in the tableau report
+
+MAPS
+- Basemap capability added 
+- Custom user created map capability added 
+- Extent functionality for maps changed
+- Maps that show aggregate flows have been deprecated and removed
+- Some map names have changed. In particular, the basemap name has been added to each of the maps. The numbering of a few maps was also changed and two had their titles shortened (e.g. raw_material_producer became rmp) for consistency with other maps.
+
+GENERAL 
+- Documentation updated to reflect the rail and water short-haul penalty.
+- Documentation updated and Quick Start Scenarios created to demonstrate pipeline movements with the commodity_mode.csv
+- Fixed hundredweight units typo in the python module used to track and convert units, Pint.
+- General FTOT input validation, especially against whitespace which could cause optimization to fail.
+
 ## v2019_4
-- FIXED - issue #175 - arcgis 10.7.1 compatibility.
-- FIXED - issue #182 - reports fail with logged exceptions.
-- FIXED - issue #142 - updated minimum bounding geometry algorithm in the C step.
-- FIXED - issue #106 - total scenario cost is reported twice.
-- ADDED - change log file added to repository.
+- arcgis 10.7.1 compatibility fixed.
+- reports fail with logged exceptions fixed.
+- updated minimum bounding geometry algorithm in the C step.
+- total scenario cost is reported twice fixed.
+- change log file added to repository.
 
 ## v2019_3
--	ADDED – issue #148 – processor facilities can now handle two input commodities.
--	ADDED – issue #137 – commodity-mode specific restrictions are enabled.
--	UPDATED – issue #108 – tableau dashboard: display all facility types at once by default.
--	UPDATED – issue #124 and #46 - emission factors are updated to reflect 2019 values.
--	DEPRECATED – issue #113 - getter and setter definitions in the ftot_scenario.py module.
--	FIXED – bug #131 – commodity names are now case insensitive for input CSV files.
--	FIXED – bug #147 – optimizer passes back nearly zero values and causes bad maps.
--	FIXED – bug #152 – D Step throws an exception when no flow optimal solution.
--	FIXED – bug #149 – F step throws an exception if there is extra blank space in an input CSV file.
--	FIXED – bug #108 - tableau dashboard: units label for material moved by commodity and mode.
+-	processor facilities can now handle two input commodities.
+-	commodity-mode specific restrictions are enabled.
+-	tableau dashboard: display all facility types at once by default.
+-	emission factors are updated to reflect 2019 values.
+-	getter and setter definitions in the ftot_scenario.py module.
+-	commodity names are now case insensitive for input CSV files.
+-	optimizer passes back nearly zero values and causes bad maps.
+-	D Step throws an exception when no flow optimal solution.
+-	F step throws an exception if there is extra blank space in an input CSV file.
+-	tableau dashboard: units label for material moved by commodity and mode.