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clarified equalness in isolines

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csobier 2016-04-13 12:21:38 -04:00
parent 3c1250ee72
commit d18eb95575
2 changed files with 6 additions and 2 deletions
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2
doc/geocoding_functions.md
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@ -10,7 +10,7 @@ Here is an example of how to geocode a single country:
https://{username}.cartodb.com/api/v2/sql?q=SELECT cdb_geocode_admin0_polygon('USA')&api_key={api_key}
```
In order to geocode an existent CartoDB dataset, an SQL UPDATE statement must be used to populate the geometry column in the dataset with the results of the Geocoding API. For example, if the column where you are storing the country names for each one of our rows is called `country_column`, run the following statement in order to geocode the dataset:
In order to geocode an existent CartoDB dataset, an SQL UPDATE statement must be used to populate the geometry column in the dataset with the results of the Data Services API. For example, if the column where you are storing the country names for each one of our rows is called `country_column`, run the following statement in order to geocode the dataset:
```bash
https://{username}.cartodb.com/api/v2/sql?q=UPDATE {tablename} SET the_geom = cdb_geocode_admin0_

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doc/isoline_functions.md
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@ -1,6 +1,6 @@
# Isoline Functions
[Isolines](https://cartodb.com/data/isolines/) are contoured lines that display calculated levels over a given surface area. This enables you to view polygon dimensions by forward or reverse measurements. Isoline functions are calculated as the intersection of areas from the origin point, measured by distance (isodistance) or time (isochrone). For example, the distance of a road from a sidewalk. Isoline functions through CartoDB are available by requesting a single function in the Data Services API.
[Isolines](https://cartodb.com/data/isolines/) are contoured lines that display equally calculated levels over a given surface area. This enables you to view polygon dimensions by forward or reverse measurements. Isoline functions are calculated as the intersection of areas from the origin point, measured by distance (isodistance) or time (isochrone). For example, the distance of a road from a sidewalk. Isoline services through CartoDB are available by requesting a single function in the Data Services API.
_**This service is subject to quota limitations, and extra fees may apply**. View the [Quota Information](http://docs.cartodb.com/cartodb-platform/dataservices-api/quota-information/) section for details, and recommendations, about to quota consumption._
@ -21,6 +21,8 @@ The following functions provide an isoline generator service, based on time or d
## cdb_isodistance(_source geometry, mode text, range integer[], [options text[]]_)
Displays a contoured line on a map, connecting points to a defined area, measured by an equal range of distance (in meters).
#### Arguments
Name | Type | Description | Accepted values
@ -65,6 +67,8 @@ INSERT INTO {table} (the_geom) SELECT (cdb_isodistance(the_geom, 'walk', string_
## cdb_isochrone(_source geometry, mode text, range integer[], [options text[]]_)
Displays a contoured line on a map, connecting points to a defined area, measured by an equal range of time (in seconds).
#### Arguments
This function uses the same parameters and information as the `cdb_isodistance` function, with the exception that the range is measured in seconds instead of meters.