Creating polygon using coordinates
Geographic Information SystemsHow do you draw a polygon with coordinates? Polygon in the Coordinate Plane Step 1: Plot each point on the coordinate plane. Step 2: Label each point of the coordinate plane. Step 3: Join the adjacent points to form a polygon. For example: Draw a polygon with the following coordinates: A(2, 3), B(7, 3), C(7,
How can I get my Qgis area calculations in metres rather than degrees? My shapefiles are projected using WGS 1984 UTM fuseau 35 Sud
Geographic Information SystemsHow do I change degrees to meters in Qgis? Changing unit of measure from degrees to meters in QGIS? Download the relevant shapefile. Open it in QGIS. Click the Settings menu and select project properties. Select a projected coordinate system, like NAD83 / UTM zone 19N. Click the box Enable ‘on the fly’ CRS transformation.
Getting layers to show up again to left of ArcMap
Geographic Information SystemsHow do I get my layers panel back in ArcMap? Quote from video: And click on table of table of contents. And your layers are back. Why can’t I see my layers in Arcgis? You need to turn on the group layer in the table of contents and ensure the sublayer is visible. The layer
NumPy ValueError: operands could not be broadcast together with shapes (1,2) > (1678,2218)
Geographic Information SystemsWhere operands could not be broadcast together with shapes? How to Fix: ValueError: operands could not be broadcast together with shapes. This error occurs when you attempt to perform matrix multiplication using a multiplication sign (*) in Python instead of the numpy. dot() function. How does broadcasting work in NumPy? The term broadcasting describes how
Mouse Scroll in ArcGIS different from that of Google Maps?
Geographic Information SystemsHow do I change the mouse scroll in Arcgis? Changing the Zoom of the Mouse Wheel To accomplish this, go to “Customize”, click “ArcMap Options”, and then click “General Tab.” Near the bottom of the dialog, there is an option to “Roll Forward/ Drag Up to Zoom” in or out of the map. How do
Intersecting polygons in Oracle
Geographic Information SystemsWhat is an intersecting polygon? Self-intersecting polygons, crossed polygons, or self-crossing polygons are polygons some of whose edges cross each other. They contrast with simple polygons, whose edges never cross. How do you intersect two polygons? Intersection of Convex Polygons Algorithm Create an empty polygon as P. Add all corners of Polygon1 that is inside
3D GIS Mapping over Web
Geographic Information SystemsHow do I make a 3D map in ArcGIS online? Quote from video: To start using 3d maps in arcgis. Online go to the website arcgis.com and click on scene. Close the default splash screen so that you can start to use the globe. Does ArcGIS online have 3D capabilities? ArcGIS Online includes interactive maps
Creating Vector layer from selected features with PyQGIS
Geographic Information SystemsHow do I create a shapefile from selected features in QGIS? Once the features have been selected, right click on your dataset and select the “save as” option from the menu. From the interface select the desired file format. Under encoding click the “Save only selected features” box. Click “Browse”and designate the file name and
QGIS swaps(?) attribute tables of PostGIS layers
Geographic Information SystemsHow do I add a PostGIS layer to QGIS? Open QGIS, select Layer -> Add layer -> Add PostGIS layers, it should open the interface to connect a PostGIS table. 2. In the dialogue, click “New”, it should open the dialogue to configure the PostGIS server, and database (nyc1). Enter relevant information in Step 3,
Tools to identify shape of polygon?
Geographic Information SystemsWhat is the shapes tool? Shape tools are used to create vector shapes & paths. The following are the shape tools available in Adobe Photoshop: Rectangle Tool – To create a rectangle or square. Rounded Rectangle – To create a rectangle or a square with rounded corners. Ellipse – To create an ellipse (oval) or