Default zoom level in web treemap

[treema...@gmail.com]

Hi all, when creating a new treemap, we tried to configure it to cover all country area with a specific zoom, but we got a map that cover a region and we can not add tree outside it.

Please what is the maximum area surface that can cover a treemap and can we set a default zoom level to the web map

Thanks

[Michael Maurizi]

The zoom level is defined by the region associated with the treemap (which also controls where trees can be added, as you discovered)

You can set the region boundaries by providing a GeoJSON file containing the boundaries as the --geojson parameter of the create_instance management command.

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Michael Maurizi, Software Developer
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[treema...@gmail.com]

Thank you for your response, do you have please any correct example for this json file

[Justin Walgran]

Here is an example of a simple rectangle around the state of Pennsylvania. The GeoJSON must use the MultiPolygon type and use unprojected lat/lng coordinates.

{

    "type": "MultiPolygon",

    "coordinates": [[

        [

            [

                -80.947265625,

                39.30029918615029

            ],

            [

                -73.740234375,

                39.30029918615029

            ],

            [

                -73.740234375,

                42.61779143282346

            ],

            [

                -80.947265625,

                42.61779143282346

            ],

            [

                -80.947265625,

                39.30029918615029

            ]

        ]

    ]]

}

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[treema...@gmail.com]

I always got this error, any idea please:

Traceback (most recent call last):

  File "manage.py", line 10, in <module>

    execute_from_command_line(sys.argv)

  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 354, in execute_from_command_line

    utility.execute()

  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 346, in execute

    self.fetch_command(subcommand).run_from_argv(self.argv)

  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 394, in run_from_argv

    self.execute(*args, **cmd_options)

  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 445, in execute

    output = self.handle(*args, **options)

  File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py", line 145, in inner

    return func(*args, **kwargs)

  File "/usr/local/otm/app/opentreemap/treemap/management/commands/create_instance.py", line 80, in handle

    geom = GEOSGeometry(open(options['geojson'], srid=4326).read())

TypeError: 'srid' is an invalid keyword argument for this function

On Monday, July 17, 2017 at 6:40:49 PM UTC+1, treema...@gmail.com wrote:

[Justin Walgran]

This looks like a bug in the create_instance command. I opened a new issue https://github.com/OpenTreeMap/otm-core/issues/3170

You may be able to work around it by changing the line to:

geom = GEOSGeometry(open(options['geojson']).read(), srid=4326)

--

[treema...@gmail.com]

you are right, this correction resolve the issue, your example works fine for me, thanks a lot

On Monday, July 17, 2017 at 6:40:49 PM UTC+1, treema...@gmail.com wrote: