on January 20, 2023
Geographic Coordinate System to Projected Coordinate System
Geographic Information SystemsWhat is the difference between a geographic coordinate system (GCS) and a projected coordinate system (PCS) anyways? Here’s the short answer: A GCS defines where the data is located on the earth’s surface. A PCS tells the data how to draw on a flat surface, like on a paper map or a computer screen. How
on January 20, 2023
Can I open and edit a point shapefile from another point shapefile
Geographic Information SystemsHow do I edit an existing shapefile in ArcGIS? Quote from video: If I wanted to I can also right click on it in the context menu go up to edit. Features. And then start editing that specific layer. How do I create a new shapefile from an existing shapefile? Click the File menu, point
on January 20, 2023
QGIS functionality read off/edited in a Python script
Geographic Information SystemsHow to write Python script in QGIS? There are two options for writing Processing algorithms using Python. Within QGIS, you can use Create new script in the Scripts menu at the top of the Processing Toolbox to open the Processing Script Editor where you can write your code. How do I run a Python file
on January 20, 2023
Using Select By Attribute on shapefile in ArcPy?
Geographic Information SystemsHow do you use select by attributes? Steps for using Select By Attributes Click Selection > Select By Attributes to open the Select By Attributes dialog box. Choose the layer to perform the selection against. Specify the selection method. Enter a query expression using one of the following methods: Validate your query expression by clicking
on January 20, 2023
Export shapefile to filegdb with specific projection
Geographic Information SystemsHow do I export selected features to a shapefile? Right-click the layer that contains the selected features, point to Data > Export Data. Click Export > Selected Features. Make a selection for the coordinate system to use. For the Output feature class text box, click the Browse button and navigate to the existing geodatabase to
on January 20, 2023
Looking for USDA plant hardiness zone shapefile
Geographic Information SystemsHow do you read planting zones? The lower the number is, the lower the temperatures in that zone. Each zone represents ten degrees of temperature difference. Each zone is also divided into “a” and “b” segments. These represent five degrees of temperature difference. What is PHZM? The 2012 USDA Plant Hardiness Zone Map is the
on January 20, 2023
Getting tabular statistics from table using QGIS?
Geographic Information SystemsHow do I get summary statistics in QGIS? To open the statistical summary tool, either click View | Statistical Summary or View | Panels | Statistics Panel. This will open the Statistics Panel, shown in the following screenshot. How do I view attribute tables in QGIS? Open Attribute Table button in the Attributes toolbar. This
on January 20, 2023
Converting csv file with Postcode data into shapefile in ArcGIS Desktop?
Geographic Information SystemsHow do I create a shapefile from a CSV file in ArcGIS? Add the CSV file to ArcMap, right-click on it and select Display XY data. Select appropriate values in the shown dialog, press OK. A new featureclass will be added to the map. Right-click on that, select Data, Export Data. How do I convert
on January 20, 2023
How can I get a list of map.graphics?
Geographic Information SystemsHow do I select graphics in Arcgis pro? On the Graphics tab, in the Insert group, click the Target layer drop-down menu to set the target graphics layer. Choose a type of graphic element from the gallery. Click anywhere on the map to create the graphic element. Some graphic elements require more than one click
on January 20, 2023
How to reshape an array of points into an image
Geographic Information SystemsHow do you reshape an image array? In order to reshape a numpy array we use reshape method with the given array. Syntax : array.reshape(shape) Argument : It take tuple as argument, tuple is the new shape to be formed. Return : It returns numpy.ndarray. How do I save an array as a picture?