canopy:technical_manual
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====== CanoPy technical manual ====== | ====== CanoPy technical manual ====== | ||
- | This document outlines the uses and methodology of the functions contained within the [[:CanoPy]] module. | + | [[CanoPy:]] is the Python module for [[:GFC canopy assessment|the Georgia Canopy Analysis 2009 project]] sponsored by [[http:// |
+ | |||
+ | This document outlines the uses and methodology of the functions contained within the [[CanoPy:]] module. To learn how to use this module, please read the [[user manual]]. Also refer to the [[tutorial]]. | ||
===== Authors ===== | ===== Authors ===== | ||
- | Owen Smith, IESA, University of North Georgia | + | * [[:Owen Smith]] |
- | + | | |
- | ===== Introduction ===== | + | |
- | + | ||
- | CanoPy is the Python module for the Georgia Canopy Analysis 2009 project sponsored by the Georgia Forestry Commission (GFC). For further information about this project, please refer to the [[:CanoPy|CanoPy page]]. | + | |
===== Requirements ===== | ===== Requirements ===== | ||
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* ArcPy | * ArcPy | ||
* Python 2 standard module: os | * Python 2 standard module: os | ||
- | * Feature Analyst (TM) by the Textron Systems | + | * Feature Analyst(tm) by the Textron Systems |
* Automated Feature Extraction (AFE) models trained using Feature Analyst | * Automated Feature Extraction (AFE) models trained using Feature Analyst | ||
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* Type: '' | * Type: '' | ||
* Snap raster to which all output tiles will be snapped | * Snap raster to which all output tiles will be snapped | ||
- | * This input/ | + | * This input/ |
* Example: '' | * Example: '' | ||
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- All selections are cleared and each NAIP QQ polygon will contain the '' | - All selections are cleared and each NAIP QQ polygon will contain the '' | ||
- | ==== reproject_input_tiles(phyreg_ids) ==== | + | ==== reproject_naip_tiles(phyreg_ids) ==== |
This function reprojects and snaps the NAIP tiles that intersect selected physiographic regions. | This function reprojects and snaps the NAIP tiles that intersect selected physiographic regions. | ||
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* '' | * '' | ||
- | ==== generate_ground_truthing_points(phyreg_ids, | + | ==== generate_gtpoints(phyreg_ids, |
- | **NOTE:** This function is still a work in progress. | + | This function generates randomized points for ground truthing with fields for corresponding years populated with the corresponding canopy value at each point. |
- | + | ||
- | This function generates randomized points for ground truthing with fields for | + | |
- | corresponding | + | |
Arguments: | Arguments: | ||
* '' | * '' | ||
- | * '' | + | * '' |
- | * '' | + | * '' |
+ | * '' | ||
Config variables assigned with '' | Config variables assigned with '' | ||
- | * '' | + | *'' |
- | * '' | + | *'' |
- | * '' | + | *'' |
- | * '' | + | *'' |
+ | *'' | ||
Process: | Process: | ||
- The physiographic regions are selected using the input physiographic IDs. | - The physiographic regions are selected using the input physiographic IDs. | ||
- Random points in each region are created using '' | - Random points in each region are created using '' | ||
- | - Fields are created in each point shapefile with the field name of '' | + | - Fields are created in each point shapefile with the field name of '' |
- | - The values | + | - The attributes |
+ | - A new spatially joined point shapefile allows for the file names of each point' | ||
+ | - Each point is converted to corresponding rows and columns within the corresponding NAIP QQ using '' | ||
+ | - The value of the NumPy cell at each point' | ||
+ | - After all point values are read, all fields except '' | ||
+ | - The originally generated point shapefile is deleted. | ||
{{tag> | {{tag> |
canopy/technical_manual.1580443856.txt.gz · Last modified: 2020-01-30 09:10 pm by hcho