Updating field of selected results in PyQGIS?
Hiking & ActivitiesHow 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
Hiking & ActivitiesHow 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?
Hiking & ActivitiesWhat 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
Hiking & ActivitiesHow 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
Hiking & ActivitiesHow 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
Hiking & ActivitiesHow 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