on January 24, 2023
What’s the keyboard shortcut for select/deselect (on/off) multiple layers in QGIS?
Geographic Information SystemsHow do I uncheck multiple layers in QGIS? Click the DESELECT FEATURES FROM ALL LAYERS tool. What is the keyboard shortcut for deselect? Pressing the Ctrl key, you can click, or click-and-drag to deselect any cells or ranges within a selection. How do I turn layers on and off in QGIS? By clicking on it,
on January 24, 2023
Issue with area calculation in Google Earth Engine
Geographic Information SystemsHow do you measure area in Google Earth Engine? Tips: On your computer, open Google Earth. Search for a place, or select a location on the globe. On the left, click Measure. . Click the map to set measurement points. To remove a point, on the right, click Undo . To complete your line measurement,
on January 24, 2023
How do I synchronize field properties with the database properties?
Geographic Information SystemsHow to synchronize data between two Microsoft SQL databases? Create sync group Go to the Azure portal to find your database in SQL Database. Select the database you want to use as the hub database for Data Sync. On the SQL database menu for the selected database, select Sync to other databases. On the Sync
on January 24, 2023
Speeding up Raster to Polygon Conversion in ArcMap/arcpy
Geographic Information SystemsHow do I convert a raster to a polygon in ArcGIS? Navigate to ArcToolbox > Conversion Tools > From Raster > Raster to Polygon. In the Raster to Polygon window, specify the raster created in Step 2 in the Input raster field. Specify the name and location for the output polygon feature class. Fill in
on January 24, 2023
How to (quickly) count the number of rows in ArcGIS attribute table?
Geographic Information SystemsHow do I count attributes in Arcmap? Open the attribute table of the desired layer. Right click on the column you wish to count, and choose ‘Summarize …’. The dialog will allow you to add additional fields for summation, computing averages etc. If you don’t need any of this, leave the middle section blank. How
on January 24, 2023
Calculating a field base on another field script
Geographic Information SystemsCan you use a calculated field in another calculated field? Unfortunately you cannot refer to calculated fields when creating a new calculated field. How do you populate a calculated field? On the Analyze tab, in the Calculations group, click Fields, Items, & Sets, and then click Calculated Field. In the Name box, type a name
on January 24, 2023
Merge RGB band using python
Geographic Information SystemsHow to combine 4 images into one python? Create an empty image using the Image. new() function. Paste the images using the paste() function. Save and display the resultant image using the save() and show() functions. How do you put two pictures together in Python? You can add two images with the OpenCV function, cv.
on January 24, 2023
Python script to summarize layer properties
Geographic Information SystemsHow can I access the properties of a layer? Quote from video: Simply right click that specific layer. And say properties another way to access the layers properties is to simply just double click it. How to create a tool in Python? The template code used to create the Python toolbox is shown in The
on January 24, 2023
One-to-many table join in QGIS
Geographic Information SystemsHow do I join one to many in QGIS? Quote from video: We can also specify which fields to add from our second layer. The main distinguishing feature of the tool is the ability to select the one to many from the join type drop. Down. How do I join two tables in QGIS? Open
on January 24, 2023
Change Lable (Name of countries) according to Attribute values ArcMap
Geographic Information SystemsHow do I change the name of a label in Arcgis? Optionally, click Options next to the label class name, click Rename, type a new name in the text box, and click OK to change the name of a label class. Optionally, click Options next to the label class name and click Delete to delete