Category: Hiking & Activities

Updating field of selected results in PyQGIS?

How do I update an existing field in QGIS? In quick field calculation bar, you simply need to: select the existing field name in the drop-down list. fill the textbox with an expression you directly write or build using the expression button. and click on [Update All], [Update Selected] or [Update Filtered] button according to

How to geotag photos from KML files

How do I geotag a photo from a GPX File? Quote from video: Right click and choose stacking. And expand all stacks I want to make sure that all the photos are visible. So when I do command a or ctrl a on a PC to select them all I'm selecting all the photos. How

What are units for calculated area in QGIS?

What is the unit of area calculated in QGIS? If you open QGIS and go to Project Properties -> General you can set your units to return an linear and area measurements that you need for a project regardless of your data’s projection or CRS. In the First Example I have set my units for

Compiling a list of units that border each other

How do you add a border to a list in HTML? Using Inline Style attribute Add the border using inline property. What is the correct syntax for border properties? The border property is a shorthand property for: border-width. border-style (required)Definition and Usage. Default value: medium none color Inherited: no Animatable: yes, see individual properties. Read

Getting not NULL values from three columns in one column in QGIS

How do you check for NULL values in multiple columns? The syntaxes are as follows: Case 1: Use IFNULL() function. Case 2: Use coalesce() function. Case 3: Use CASE statement. Case 4: Use only IF(). Case 1: IFNULL() Case 2: Coalesce. Case 4: IF()   How do I get rid of NULL values in Qgis?

ADC Maps Grid to Lat/Long Coords Conversion

How do you convert grid coordinates to latitude and longitude? World Map Conversion Divide the length of the x-axis by 180 and the y-axis by 90. This will give you the equivalent of each latitude (LA) and longitude (LO) angle in inches. Mark the coordinates of a location on the two axes.  What are ADC

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