Update world installation to use python3 (#11)

* Update world installation to use python3

* Update README.md

Co-authored-by: ojasjosh <ojasjosh@amazon.com>

Author: ojasjoshi

CMakeLists.txt

@@ -5,7 +5,7 @@ find_package(catkin REQUIRED COMPONENTS
   gazebo_ros
 )
 
-exec_program("pip3 install -r ${CMAKE_CURRENT_SOURCE_DIR}/requirements.txt")
+exec_program("python3 -m pip install -r ${CMAKE_CURRENT_SOURCE_DIR}/requirements.txt")
 exec_program("python3 ${CMAKE_CURRENT_SOURCE_DIR}/fuel_utility.py download -m XRayMachine -m IVStand -m BloodPressureMonitor -m BPCart -m BMWCart -m CGMClassic -m StorageRack -m Chair -m InstrumentCart1 -m Scrubs -m PatientWheelChair -m WhiteChipChair -m TrolleyBed -m SurgicalTrolley -m PotatoChipChair -m VisitorKidSit -m FemaleVisitorSit -m AdjTable -m MopCart3 -m MaleVisitorSit -m Drawer -m OfficeChairBlack -m ElderLadyPatient -m ElderMalePatient -m InstrumentCart2 -m MetalCabinet -m BedTable -m BedsideTable -m AnesthesiaMachine -m TrolleyBedPatient -m Shower -m SurgicalTrolleyMed -m StorageRackCovered -m KitchenSink -m Toilet -m VendingMachine -m ParkingTrolleyMin -m PatientFSit -m MaleVisitorOnPhone -m FemaleVisitor -m MalePatientBed -m StorageRackCoverOpen -m ParkingTrolleyMax -d ${CMAKE_CURRENT_SOURCE_DIR}/fuel_models --verbose")
 
 catkin_package()

README.md

@@ -4,9 +4,9 @@
 
 ![Model: Hospital World](docs/images/hospital_world.jpg)
 ### Supported versions of Gazebo
-7.14.0+ | 9.16.0+ 
-
+7.14.0+ | 9.16.0+
 
+Note: `python3` and `python3-pip` is required to run this world.
 
 ## 3D Models included in this Gazebo World
 
@@ -24,6 +24,7 @@ We also reference the following models from https://app.ignitionrobotics.org/fue
 
 *XRayMachine, IVStand, BloodPressureMonitor, BPCart, BMWCart, CGMClassic, StorageRack, Chair, InstrumentCart1, Scrubs, PatientWheelChair, WhiteChipChair, TrolleyBed, SurgicalTrolley, PotatoChipChair, VisitorKidSit, FemaleVisitorSit, AdjTable, MopCart3, MaleVisitorSit, Drawer, OfficeChairBlack, ElderLadyPatient, ElderMalePatient, InstrumentCart2, MetalCabinet, BedTable, BedsideTable, AnesthesiaMachine, TrolleyBedPatient, Shower, SurgicalTrolleyMed, StorageRackCovered, KitchenSink, Toilet, VendingMachine, ParkingTrolleyMin, PatientFSit, MaleVisitorOnPhone, FemaleVisitor, MalePatientBed, StorageRackCoverOpen, ParkingTrolleyMax*
 
+
 # Include the world from another package
 
 * Update .rosinstall to clone this repository and run `rosws update`

setup.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-pip install -r requirements.txt
+python3 -m pip install -r requirements.txt
 python3 fuel_utility.py download \
 -m XRayMachine -m IVStand -m BloodPressureMonitor -m BPCart -m BMWCart \
 -m CGMClassic -m StorageRack -m Chair \