About pyModis

Requirements

pyModis requires Python GDAL, Numpy, requests and future packages.

If you want to use the Graphical User Interface you have to install also wxPython library.

You can use also software is MODIS Reprojection Tool to convert or mosaic MODIS HDF files.

User and password

To be able to download data you need user and password provided by NASA. Please register at https://urs.earthdata.nasa.gov/users/new; now login and move to your profile page. Go to “My application” tab and approve the following applications “LP DAAC Data Pool” and “Earthdata Search”.

If you are an already registered user, login and enable the applications at https://urs.earthdata.nasa.gov/home

How to install pyModis

Using pip

From version 0.6.3 it is possible to install pyModis using pip. You have to run the following command as administrator

pip install pyModis

If you need to update your pyModis version you have to run

pip install --upgrade pyModis

With pip it is also really simple to remove the library

pip uninstall pyModis

Compile from source

Compile pyModis is very simple. First you need to download pyModis source code from github repository.

You can use git to download the latest code (with the whole history and so it contain all the different stable versions, from the last to the first)

git clone https://github.com/lucadelu/pyModis.git

or download the latest stable version from the repository and decompress it.

Now enter the pyModis folder and launch as administrator of your computer

python setup.py install

If the installation doesn’t return any errors you should be able to use pyModis library from a Python console. Then, launch a your favorite Python console (I really suggest ipython) and digit

import pymodis

If the console doesn’t return any error like this

ImportError: No module named pymodis

the pyModis library has been installed properly and you can use it or one of the tools distributed with pyModis.

If you want to install into /usr/local/, run

python setup.py install --prefix=/usr/local

In this case, if you get the following error

TEST FAILED: /usr/local/lib/python2.7/site-packages/ does NOT support .pth files

then you need to define the PYTHONPATH environmental variable

export PYTHONPATH=/usr/local/lib/python2.7/site-packages
python setup.py install --prefix=/usr/local

and now re-run the installation command.

Install on Windows with osgeo4w

Warning

Using this way to install pyModis it will be possible to use pyModis only from OSGeo4W environment.

It will not possible to use other versions of Python except the OSGeo4W one.

The simple way to install pyModis on Windows is to use OSGeo4W.

Note

To execute OSGeo4W may be required to run it as Administrator.

Choose Advanced Install in the first step of installation and set the corrected value until the packages selection.

At this point select the following packages:

  • gdal-python
  • python-numpy
  • python-requests
  • python-future
  • wxpython

OSGeo4W will install all the required dependencies.

At this point, using the OSGeo4W shell, you can follow Compile from source section to install pyModis.

Install on Windows without osgeo4w (old and not updated)

Another way to install pyModis on Windows is to install latest Python 2.7 from http://python.org/download/

Now you have to modify the “Path” environment variable using powershell running

[Environment]::SetEnvironmentVariable("Path", "$env:Path;C:\Python27\;C:\Python27\Scripts\", "User")

Download and install the last version of Distribute for Windows from http://python-distribute.org/distribute_setup.py

At this point you have to move to standard command line (cmd) and install pip using easy_install

easy_install pip

Now install numpy library using easy_install because installation from pip is broken (this is required only for version >= 0.7.1)

easy_install numpy GDAL

If you want the Graphical User Interface you have to install also wxPython

easy_install WxPython WxPython-Common

Finally install pyModis using pip

pip install pyModis

If you want use the GUI you have to download and install wxPython

Troubleshooting

Problem installing dependencies with pip

Warning

Sometimes pip return error when it try to install Python GDAL, Numpy or wxPython. You can solve this problem installing Python GDAL or Numpy using the version of your operating system.

How to report a bug

If you find any problems in pyModis library you can report it using the issues tracker of github.

How to compile documentation

This documentation has been made with Sphinx, so you need to install it to compile the original files to obtain different output formats.

Please enter the docs folder of pyModis source and run

make <target>

with one of the following target to obtain the desired output:

  • html: to make standalone HTML files
  • dirhtml: to make HTML files named index.html in directories
  • singlehtml: to make a single large HTML file
  • pickle: to make pickle files
  • json: to make JSON files
  • htmlhelp: to make HTML files and a HTML help project
  • qthelp: to make HTML files and a qthelp project
  • devhelp: to make HTML files and a Devhelp project
  • epub: to make an epub
  • latex: to make LaTeX files, you can set PAPER=a4 or PAPER=letter
  • latexpdf: to make LaTeX files and run them through pdflatex
  • text: to make text files
  • man: to make manual pages
  • texinfo: to make Texinfo files
  • info: to make Texinfo files and run them through makeinfo
  • gettext: to make PO message catalogs
  • changes: to make an overview of all changed/added/deprecated items
  • linkcheck: to check all external links for integrity
  • doctest: to run all doctests embedded in the documentation (if enabled)

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