Selecting files with matching names and then executing a process

How do you filter filenames in Python? How to Filter and List Files According to Their Names in Python? To filter and list the files according to their names, we need to use “fnmatch. fnmatch()” and “os. listdir()” functions with name filtering regex patterns.  Are periods allowed in filenames? Illegal Filename Characters Don’t start or

How to install QGIS with OpenGeo Suite on Ubuntu

How do I install Qgis software on Ubuntu? 2.3. 1. QGIS download and installation¶ Open a terminal and type: sudo apt-get update. Press Enter and type the user password; Type in a terminal: sudo apt-get install qgis python-matplotlib python-scipy. Press Enter and wait until the software is downloaded and installed. Where is Qgis installed on

QGIS map creation: google imagery as base-map displaced when printed to pdf of tiff

How do I save a Google map satellite imagery in QGIS? How to download Google Maps orthophoto data on your computer using QGIS Go to Web > QuickMapService > Search QMS and type Google Satellite. Click on Add button. Navigate to your area of interest. In the Processing Toolbox type Convert Map to Raster. The

Extracting the closest Point to a Line within a Polygon using ArcGIS for Desktop

How can I find closest point on a polygon from a point? The line segment corresponds to 0≤t≤1, so if t≤0, the closest point to (xp,yp) is (xA,yA); if t≥1 the closest point to (xp,yp) is (xB,yB); otherwise, the closest point to (xp,yp) is (x(t),y(t)).  What is proximity analysis in ArcGIS? Proximity analysis is one

CartoDB SQL string as integer

How to convert string to int in SQL? SELECT CAST(‘789’ AS INT); SELECT CAST(CAST (‘12345.67’ AS NUMERIC) AS INT); SELECT CAST(CAST (‘12345.6789’ AS NUMERIC(19,4)) AS INT); SELECT CONVERT(INT, ‘123’); How to convert text to number in SQL? Related SQL Functions TO_NUMBER converts a string to a number of data type NUMERIC. TO_CHAR performs the reverse

Qgis convert string to date

How do I convert a string to a date? Convert a String to a datetime object using datetime.strptime() The datetime.strptime() method returns a datetime object that matches the date_string parsed by the format. Both arguments are required and must be strings.  How do I convert a text field to a date field? Convert text dates

Adding coordinates to polygon layer to sort polygons from north to south in QGIS?

How do I add coordinates to a polygon in Qgis? Quote from video: Create a new field with decimal field type forex type in x centroid dollar sign geometry. And look for the brackets. And you can do it again for y. And that's it. How do I add a centroid in Qgis? From the

Comparing Heatmaps over time

How do you compare two heatmaps? A comparison of two heatmaps is essentially just a comparison of two histograms, or distributions. Thus an alternative to our visual approach is to use statistical tools that compute the difference between two distributions. How do you evaluate a heat map? How do I read a heatmap? You can

Visualizing proximity to nearest park in QGIS

Why are only some of my map lines exporting clearly?

What can cause bitmapped banded or low quality display printed maps? Cause. This happens for several reasons, independently or combined: The maps are printed or exported with either a low output resolution or a low Output Image Quality (OIQ) setting. The map uses a picture/bitmap fill, picture marker, and/or transparent symbology.  How do I export