Classifying above ground LiDAR points in ArcMap?
Hiking & ActivitiesHow do you classify LiDAR data in Arcgis? Lidar points can be classified into a number of categories including bare earth or ground, top of canopy, and water. The different classes are defined using numeric integer codes in the LAS files. What is ground classification in LiDAR? Ground classification is a preprocessing step to segment
How to calculate Multispectral Vegetation Indices using Python
Hiking & ActivitiesHow do you calculate vegetation index? It is calculated by taking a ratio between the difference of reflectance from NIR and Red bands and the sum of reflectance from NIR and Red bands. How to calculate NDVI in Python? Calculate NDVI in Python import os import matplotlib.pyplot as plt import numpy as np import rioxarray
Saving Virtual Layer to temporary layer
Hiking & ActivitiesHow do I save a temp layer in QGIS? If you wish to save a copy of a Temporary layer so that you can use it later or email to a colleague, then you can simply right click on the layer in the Layers Panel and choose Make Permanent. How do I save a virtual
Generating polygons from centroids with rotation and dimensions
Hiking & ActivitiesWhat is the centroid formula for polygons? The centroid (a.k.a. the center of mass, or center of gravity) of a polygon can be computed as the weighted sum of the centroids of a partition of the polygon into triangles. The centroid of a triangle is simply the average of its three vertices, i.e., it has
How to access attributes from linked tables (QGIS 2.14.2 Essen)
Hiking & ActivitiesHow do I search for attributes in a table in QGIS? For a simple search by attributes on only one column, choose the Column filter ‣ from the menu in the bottom left corner. Select the field (column) on which the search should be performed from the drop-down menu, and hit the [Apply] button. Then,
Choosing string from dropdown list rather than typing it into Python script tool?
Hiking & ActivitiesHow do I set script tool parameters? To access script tool properties, right-click the tool, click Properties, and click the Parameters tab. To add a parameter, click the first empty cell under the Label column and type the name of the parameter. This is the name that will be displayed in the Geoprocessing pane and