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pygeodesy.azimuthal._EquidistantBase-class.html
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<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>pygeodesy.azimuthal._EquidistantBase</title>
<link rel="stylesheet" href="epydoc.css" type="text/css" />
<script type="text/javascript" src="epydoc.js"></script>
</head>
<body bgcolor="white" text="black" link="blue" vlink="#204080"
alink="#204080">
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
bgcolor="#a0c0ff" cellspacing="0">
<tr valign="middle">
<!-- Home link -->
<th> <a
href="pygeodesy-module.html">Home</a> </th>
<!-- Tree link -->
<th> <a
href="module-tree.html">Trees</a> </th>
<!-- Index link -->
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<tr><th class="navbar" align="center"
><a class="navbar" target="_top" href="https://GitHub.com/mrJean1/PyGeodesy">pygeodesy</a></th>
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</table>
<table width="100%" cellpadding="0" cellspacing="0">
<tr valign="top">
<td width="100%">
<span class="breadcrumbs">
<a href="pygeodesy-module.html">Package pygeodesy</a> ::
<a href="pygeodesy.azimuthal-module.html">Module azimuthal</a> ::
Class _EquidistantBase
</span>
</td>
<td>
<table cellpadding="0" cellspacing="0">
<!-- hide/show private -->
<tr><td align="right"><span class="options"
>[<a href="frames.html" target="_top">frames</a
>] | <a href="pygeodesy.azimuthal._EquidistantBase-class.html"
target="_top">no frames</a>]</span></td></tr>
</table>
</td>
</tr>
</table>
<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class _EquidistantBase</h1><p class="nomargin-top"></p>
<pre class="base-tree">
object --+
|
<a href="pygeodesy.named._Named-class.html">named._Named</a> --+
|
<a href="pygeodesy.named._NamedBase-class.html">named._NamedBase</a> --+
|
<a href="pygeodesy.azimuthal._AzimuthalBase-class.html">_AzimuthalBase</a> --+
|
<a href="pygeodesy.azimuthal._AzimuthalGeodesic-class.html">_AzimuthalGeodesic</a> --+
|
<strong class="uidshort">_EquidistantBase</strong>
</pre>
<dl><dt>Known Subclasses:</dt>
<dd>
<ul class="subclass-list">
<li><a href="pygeodesy.azimuthal.EquidistantExact-class.html">EquidistantExact</a></li><li>, <a href="pygeodesy.azimuthal.EquidistantGeodSolve-class.html">EquidistantGeodSolve</a></li><li>, <a href="pygeodesy.azimuthal.EquidistantKarney-class.html">EquidistantKarney</a></li> </ul>
</dd></dl>
<hr />
<p>(INTERNAL) Base for classes <a
href="pygeodesy.azimuthal.EquidistantExact-class.html"
class="link">EquidistantExact</a>, <a
href="pygeodesy.azimuthal.EquidistantGeodSolve-class.html"
class="link">EquidistantGeodSolve</a> and <a
href="pygeodesy.azimuthal.EquidistantKarney-class.html"
class="link">EquidistantKarney</a>.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
<a name="section-InstanceMethods"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Instance Methods</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="pygeodesy.azimuthal._EquidistantBase-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">lat0</span>,
<span class="summary-sig-arg">lon0</span>,
<span class="summary-sig-arg">datum</span>=<span class="summary-sig-default">Datum(name='WGS84', ellipsoid=Ellipsoids.WGS84, transform=Tran<code class="variable-ellipsis">...</code></span>,
<span class="summary-sig-arg">**name</span>)</span><br />
New azimuthal <a
href="pygeodesy.azimuthal.EquidistantExact-class.html"
class="link">EquidistantExact</a>, <a
href="pygeodesy.azimuthal.EquidistantGeodSolve-class.html"
class="link">EquidistantGeodSolve</a> or <a
href="pygeodesy.azimuthal.EquidistantKarney-class.html"
class="link">EquidistantKarney</a> projection.</td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="pygeodesy.azimuthal._EquidistantBase-class.html#forward" class="summary-sig-name">forward</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">lat</span>,
<span class="summary-sig-arg">lon</span>,
<span class="summary-sig-arg">**name</span>)</span><br />
Convert an (ellipsoidal) geodetic location to azimuthal equidistant
east- and northing.</td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="pygeodesy.azimuthal._EquidistantBase-class.html#reverse" class="summary-sig-name">reverse</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">x</span>,
<span class="summary-sig-arg">y</span>,
<span class="summary-sig-arg">LatLon</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">**name_LatLon_kwds</span>)</span><br />
Convert an azimuthal equidistant location to (ellipsoidal) geodetic
lat- and longitude.</td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html">_AzimuthalBase</a></code></b>:
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#reset">reset</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#toRepr">toRepr</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#toStr">toStr</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="pygeodesy.named._NamedBase-class.html">named._NamedBase</a></code></b>:
<code><a href="pygeodesy.named._NamedBase-class.html#__repr__">__repr__</a></code>,
<code><a href="pygeodesy.named._NamedBase-class.html#__str__">__str__</a></code>,
<code><a href="pygeodesy.named._NamedBase-class.html#others">others</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="pygeodesy.named._Named-class.html">named._Named</a></code></b>:
<code><a href="pygeodesy.named._Named-class.html#__format__">__format__</a></code>,
<code><a href="pygeodesy.named._Named-class.html#__imatmul__">__imatmul__</a></code>,
<code><a href="pygeodesy.named._Named-class.html#__matmul__">__matmul__</a></code>,
<code><a href="pygeodesy.named._Named-class.html#__rmatmul__">__rmatmul__</a></code>,
<code><a href="pygeodesy.named._Named-class.html#attrs">attrs</a></code>,
<code><a href="pygeodesy.named._Named-class.html#classof">classof</a></code>,
<code><a href="pygeodesy.named._Named-class.html#copy">copy</a></code>,
<code><a href="pygeodesy.named._Named-class.html#dup">dup</a></code>,
<code><a href="pygeodesy.named._Named-class.html#methodname">methodname</a></code>,
<code><a href="pygeodesy.named._Named-class.html#rename">rename</a></code>,
<code><a href="pygeodesy.named._Named-class.html#renamed">renamed</a></code>,
<code><a href="pygeodesy.named._Named-class.html#toStr2">toStr2</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__new__</code>,
<code>__reduce__</code>,
<code>__reduce_ex__</code>,
<code>__setattr__</code>,
<code>__sizeof__</code>,
<code>__subclasshook__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== PROPERTIES ==================== -->
<a name="section-Properties"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Properties</span></td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="pygeodesy.azimuthal._AzimuthalGeodesic-class.html">_AzimuthalGeodesic</a></code></b>:
<code><a href="pygeodesy.azimuthal._AzimuthalGeodesic-class.html#geodesic">geodesic</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html">_AzimuthalBase</a></code></b>:
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#a">a</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#datum">datum</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#equatoradius">equatoradius</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#f">f</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#flattening">flattening</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#lat0">lat0</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#latlon0">latlon0</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#lon0">lon0</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#majoradius">majoradius</a></code>,
<code><a href="pygeodesy.azimuthal._AzimuthalBase-class.html#radius">radius</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="pygeodesy.named._Named-class.html">named._Named</a></code></b>:
<code><a href="pygeodesy.named._Named-class.html#classname">classname</a></code>,
<code><a href="pygeodesy.named._Named-class.html#classnaming">classnaming</a></code>,
<code><a href="pygeodesy.named._Named-class.html#iteration">iteration</a></code>,
<code><a href="pygeodesy.named._Named-class.html#name">name</a></code>,
<code><a href="pygeodesy.named._Named-class.html#named">named</a></code>,
<code><a href="pygeodesy.named._Named-class.html#named2">named2</a></code>,
<code><a href="pygeodesy.named._Named-class.html#named3">named3</a></code>,
<code><a href="pygeodesy.named._Named-class.html#named4">named4</a></code>,
<code><a href="pygeodesy.named._Named-class.html#sizeof">sizeof</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Method Details</span></td>
</tr>
</table>
<a name="__init__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span> (<span class="sig-arg">self</span>,
<span class="sig-arg">lat0</span>,
<span class="sig-arg">lon0</span>,
<span class="sig-arg">datum</span>=<span class="sig-default">Datum(name='WGS84', ellipsoid=Ellipsoids.WGS84, transform=Tran<code class="variable-ellipsis">...</code></span>,
<span class="sig-arg">**name</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<p>New azimuthal <a
href="pygeodesy.azimuthal.EquidistantExact-class.html"
class="link">EquidistantExact</a>, <a
href="pygeodesy.azimuthal.EquidistantGeodSolve-class.html"
class="link">EquidistantGeodSolve</a> or <a
href="pygeodesy.azimuthal.EquidistantKarney-class.html"
class="link">EquidistantKarney</a> projection.</p>
<dl class="fields">
<dt>Arguments:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>lat0</code></strong> - Latitude of the center point (<code>degrees90</code>).</li>
<li><strong class="pname"><code>lon0</code></strong> - Longitude of the center point (<code>degrees180</code>).</li>
<li><strong class="pname"><code>datum</code></strong> - Optional datum or ellipsoid (<a
href="pygeodesy.datums.Datum-class.html" class="link">Datum</a>,
<a href="pygeodesy.ellipsoids.Ellipsoid-class.html"
class="link">Ellipsoid</a>, <a
href="pygeodesy.ellipsoids.Ellipsoid2-class.html"
class="link">Ellipsoid2</a> or <a
href="pygeodesy.ellipsoids.a_f2Tuple-class.html"
class="link">a_f2Tuple</a>) or <i>scalar</i> earth radius
(<code>meter</code>).</li>
<li><strong class="pname"><code>name</code></strong> - Optional <code><b>name</b>=NN</code> for the projection
(<code>str</code>).</li>
</ul></dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'><a href="pygeodesy.azimuthal.AzimuthalError-class.html">AzimuthalError</a></strong></code> - Invalid <b><code>lat0</code></b> or <b><code>lon0</code></b> or
(spherical) <b><code>datum</code></b>.</li>
<li><code><strong class='fraise'>TypeError</strong></code> - Invalid <b><code>datum</code></b>.</li>
</ul></dd>
<dt>Overrides:
object.__init__
</dt>
</dl>
</td></tr></table>
</div>
<a name="forward"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">forward</span> (<span class="sig-arg">self</span>,
<span class="sig-arg">lat</span>,
<span class="sig-arg">lon</span>,
<span class="sig-arg">**name</span>)</span>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<p>Convert an (ellipsoidal) geodetic location to azimuthal equidistant
east- and northing.</p>
<dl class="fields">
<dt>Arguments:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>lat</code></strong> - Latitude of the location (<code>degrees90</code>).</li>
<li><strong class="pname"><code>lon</code></strong> - Longitude of the location (<code>degrees180</code>).</li>
<li><strong class="pname"><code>name</code></strong> - Optional <code><b>name</b>=NN</code> for the location
(<code>str</code>).</li>
</ul></dd>
<dt>Returns:</dt>
<dd>An <a href="pygeodesy.azimuthal.Azimuthal7Tuple-class.html"
class="link">Azimuthal7Tuple</a><code>(x, y, lat, lon, azimuth,
scale, datum)</code> with easting <code>x</code> and northing
<code>y</code> of point in <code>meter</code> and
<code>lat</code> and <code>lon</code> in <code>degrees</code> and
<code>azimuth</code> clockwise from true North. The
<code>scale</code> of the projection is <code>1</code> in
<i>radial</i> direction and is <code>1 / reciprocal</code> in the
direction perpendicular to this.</dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'><a href="pygeodesy.azimuthal.AzimuthalError-class.html">AzimuthalError</a></strong></code> - Invalid <b><code>lat</code></b> or <b><code>lon</code></b>.</li>
</ul></dd>
<dt>Overrides:
<a href="pygeodesy.azimuthal._AzimuthalBase-class.html#forward">_AzimuthalBase.forward</a>
</dt>
</dl>
<div class="fields"> <p><strong>Note:</strong>
A call to <code>.forward</code> followed by a call to
<code>.reverse</code> will return the original <code>lat,
lon</code> to within roundoff.
</p>
</div></td></tr></table>
</div>
<a name="reverse"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">reverse</span> (<span class="sig-arg">self</span>,
<span class="sig-arg">x</span>,
<span class="sig-arg">y</span>,
<span class="sig-arg">LatLon</span>=<span class="sig-default">None</span>,
<span class="sig-arg">**name_LatLon_kwds</span>)</span>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<p>Convert an azimuthal equidistant location to (ellipsoidal) geodetic
lat- and longitude.</p>
<dl class="fields">
<dt>Arguments:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>x</code></strong> - Easting of the location (<code>meter</code>).</li>
<li><strong class="pname"><code>y</code></strong> - Northing of the location (<code>meter</code>).</li>
<li><strong class="pname"><code>LatLon</code></strong> - Class to use (<code>LatLon</code>) or <code>None</code>.</li>
<li><strong class="pname"><code>name_LatLon_kwds</code></strong> - Optional <code><b>name</b>=NN</code> and optionally, additional
<b><code>LatLon</code></b> keyword arguments, ignored if
<code><b>LatLon</b> is None</code>.</li>
</ul></dd>
<dt>Returns:</dt>
<dd>The geodetic (<code>LatLon</code>) or if <code><b>LatLon</b> is
None</code> an <a
href="pygeodesy.azimuthal.Azimuthal7Tuple-class.html"
class="link">Azimuthal7Tuple</a><code>(x, y, lat, lon, azimuth,
scale, datum)</code>.</dd>
<dt>Overrides:
<a href="pygeodesy.azimuthal._AzimuthalBase-class.html#reverse">_AzimuthalBase.reverse</a>
</dt>
</dl>
<div class="fields"> <p><strong>Note:</strong>
The <code>lat</code> will be in the range <code>[-90..90]
degrees</code> and <code>lon</code> in the range <code>[-180..180]
degrees</code>. The scale of the projection is <code>1</code> in
<i>radial</i> direction, <code>azimuth</code> clockwise from true
North and is <code>1 / reciprocal</code> in the direction
perpendicular to this.
</p>
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