Dan Patterson Dan-Patterson
Dan-Patterson
/ CondaPkgs.py
Created
August 14, 2020 02:45
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| # -*- coding: utf-8 -*- | |
| r""" | |
| --------- | |
| CondaPkgs | |
| --------- | |
| ---- | |
| Script : | |
| CondaPkgs.py |
Dan-Patterson
/ winding_crossing_numbers.py
Created
February 17, 2020 06:02
winding, crossing number for point in polygon. python and numpy implementation for reference
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| # -*- coding: utf-8 -*- | |
| r""" | |
| Author : | |
| Dan_Patterson@carleton.ca | |
| Notes | |
| ----- | |
| For a faster implementation see npgeom and npg_pip.py. the np_wn uses | |
| numpy to speed up substantially the `pip` analysis. |
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| # -*- coding: utf-8 -*- | |
| r""" | |
| ----------- | |
| svg_npGeom.py | |
| ----------- | |
| Author : | |
| Dan_Patterson@carleton.ca | |
| `<https://github.com/Dan-Patterson>`_. |
Dan-Patterson
/ vincenty.py
Created
March 1, 2019 02:26
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| # -*- coding: UTF-8 -*- | |
| """ | |
| ======== | |
| vincenty | |
| ======== | |
| Script : vincenty.py | |
| Author : Dan.Patterson@carleton.ca |
Dan-Patterson
/ e_leng.py
Last active
February 13, 2019 04:40
Length/distance calculations using einsum and numpy
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| # -*- coding: utf-8 -*- | |
| import numpy as np | |
| def e_leng(a, close=False): | |
| """Length/distance between points in an array using einsum | |
| Parameters | |
| ---------- | |
| preprocessing : | |
| use `_view_`, `_new_view_` or `_reshape_` with structured/recarrays |
Dan-Patterson
/ e_dist.py
Last active
November 2, 2021 18:07
Euclidean distance in n-dimensions using einsum
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| import numpy as np | |
| def e_dist(a, b, metric='euclidean'): | |
| """Distance calculation for 1D, 2D and 3D points using einsum | |
| preprocessing : | |
| use `_view_`, `_new_view_` or `_reshape_` with structured/recarrays | |
| Parameters | |
| ---------- |
Dan-Patterson
/ excel_np.py
Last active
November 19, 2018 04:12
This can be used to convert excel files to numpy structured or record arrays.
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| # see https://community.esri.com/blogs/dan_patterson/2018/11/18/excel-arrays-tables-in-arcgis-pro for | |
| # more information and descriptions | |
| import numpy as np | |
| def excel_np(path, sheet_num=0): | |
| """Read excel files to numpy structured/record arrays. Your spreadsheet | |
| must adhere to simple rules:: | |
| - first row must contain the field names for the output array | |
| - no blank rows or columns, basically, no fluff or formatting | |
| - if you have nodata values, put them in, since blank cells will be |
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| def comp_info(): | |
| """Return information for the computer and python version | |
| comp_info() # to use... | |
| """ | |
| import platform | |
| winv = platform.platform() | |
| py_ver = platform.python_version() | |
| plat = platform.architecture() | |
| proc = platform.processor() | |
| p_node = platform._node() |
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| # -*- coding: UTF-8 -*- | |
| """ | |
| :Script: crosstab.py | |
| :Author: Dan.Patterson@carleton.ca | |
| :Modified: 2016- - | |
| :Purpose: | |
| : | |
| :Notes: | |
| : | |
| :References |
Dan-Patterson
/ sparse_window_demo_2016_05_03.py
Created
May 5, 2016 06:47
sparse_window_demo_2016_05_03.py
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| """ | |
| Script: sparse_window_demo.py | |
| Author: Dan.Patterson@carleton.ca | |
| Modified: 2016_05_03 | |
| Purpose: | |
| - Conversion of point data to raster | |
| - To produce a moving window equivalent to find the cells that are | |
| surrounded by a particular value | |
| References: | |
| - http://desktop.arcgis.com/en/arcmap/latest/tools/conversion-toolbox/ |