[Google Maps API v2] Re: New guy...and need direction

On Dec 8, 8:57 pm, Paul Mondragon <dragonsoff...@gmail.com> wrote:
> After pouring over many word/phrase searches for "scalable grid
> overlay," "adjustable square grid for Google maps," and every
> other conceivable combination, I am just about ready to give up!
> Maybe some of you here can point me to help...or the edge of a
> cliff!
> Here is what I want to do.  Some details first.
> -I am in the agriculture industry.  We grow many thousands of
> acres of vegetables that are consumed in the US.
> -We plant all these vegetables on a daily basis on any number of
>  our different parcels throughout the county.
> -In, say, a field (parcel) that is 45 acres, we may plant on day
> one 6 acres of Iceberg Lettuce.  Next day, 2.5, and so on.
> -In reality, we would like a means to use an ipad or computer to
> access Google maps to select and zoom in to the parcel that was
> planted and then using the measurement tool, measure (as closely
> as possible), how many acres were planted on a particular
> planting.
>
> Here is the problem.  I can do this now but it dose not do what we
> really need.  What I really need is some way to create a grid that
> can be overlaid over Google maps that is of a particular scale.
> For many crops such as romaine, lettuce, and cabbage for example,
> we plant the crops on beds that are 3.5 feet from bed top center
> to bed top center.  And for other crops like spring mix or
> spinach, we plant crops on beds that are 7 feet from bed top
> center to bed top center.  So in this case, I need two grids: one
> that is 42 inches wide and another that is 84 inches wide.  I can
> take this grid now, place it over my field, and can now estimate
> how many beds were planted, should be planted, etc.    The other
> issue, though, is the smallest zoom level in GM is 200ft and so
> that will make the beds (grid) very small.  Is there a way to
> increase the zoom beyond this 200 ft?
>
> This may be difficult to understand.  Sorry about that.
> Ideas?

1. this group is for the Google Maps API v2, which is deprecated, the
group for the current version, Google Maps API v3 is:
https://groups.google.com/group/google-maps-js-api-v3

2. technical support for that version of the API has been moved to
StackOverflow, see this post in the v3 group:
https://groups.google.com/group/google-maps-js-api-v3/browse_frm/thread/329a52030f2ab396#

3. the resolution of the Google Maps satellite tiles will vary with
location, I see some places with a scale of 20 feet. If you have
imagery that is higher resolution that Google's tiles (maybe aerial
photography), you can make a custom map with that imagery.

-- Larry

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