Extract Polygon Coordinates from Shapefile data
Geographic Information SystemsHow do I extract coordinates from a shapefile? Export coordinates Click the Export button in the Coordinate Conversion pane. Click the button for the format to which to export the collected coordinates—this could be feature class, shapefile, KMZ, or CSV—and click OK. Browse to the location where you want to store the output and click
Is it possible to run the address locator in ArcGIS via Python?
Geographic Information SystemsHow do I use address Locator in ArcGIS? To open the dialog box in ArcCatalog or the ArcMap Catalog window, right-click a file folder or geodatabase, and click New > Address Locator. To open the dialog box using a geoprocessing tool, browse to the Geocoding Tools toolbox in the Catalog window and double-click the Create
Calculate velocity x and y components from Lat,Lon and Time
Geographic Information SystemsHow do you find velocity with latitude and longitude? First we plot the two GPS points on a spherical model of the earth, then calculate the angle between them using a dot product, then calculate the ‘Great Circle’ distance using this angle and the earth’s radius and finally we divide by the elapsed time to
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
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
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
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
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
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
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