How to calculate the area between contour lines on a DEM with QGIS 1.8?
Geographic Information SystemsHow do you find the area between two contours in Qgis? You can use the Raster Calculator from the Raster menu. At the Raster Calculator use the following formula : (O44121a1@1 >= 3400 and O44121a1@1
Create circle shapefile vector in QGIS
Geographic Information SystemsHow do I add a circle shape in QGIS? icon, place the element holding down the left mouse. Customize the appearance in the Item Properties tab. When you also hold down the Shift key while placing the basic shape you can create a perfect square, circle or triangle. How do I create a vector map
Digitizing historical Brazilian map in QGIS3.4
Geographic Information SystemsHow do I digitize a map in Qgis? To start digitizing the field, Open the downloaded raster imagery using ‘Add Raster Layer’ tool . This Opens the image in the QGIS map space along with the newly created polygon shapefile. Check if the Digitizing tools are available in the toolbar, if not right-click on the
Is it possible to extrude a vector layer with QGIS 2.16 Globe plugin?
Geographic Information SystemsHow do I edit a vector layer in QGIS? Editing vector layers in QGIS Select the vector you wish to edit by clicking it. Go to Toggle Editing and start a new edit session. How do I add a vector layer in QGIS? Click on the “Layer” menu, mouse-over “Add Layer” and click “Add
Adding nodes into graph using QGIS?
Geographic Information SystemsHow do I add a data point in Qgis? Quote from video: The choice that we're gonna go with right now is add point feature. So with this you see there is a change in the pointer. And you can literally click anywhere. How to do network analysis in QGIS? 7.3.6. Service area (from layer)
What’s wrong with my ArcGIS – PostGIS setup?
Geographic Information SystemsHow do I connect PostGIS to ArcGIS? Connect to the database Expand Database Connections in the Catalog tree in ArcMap or ArcCatalog and double-click Add Database Connection. Choose PostgreSQL from the Database Platform drop-down list. In the Instance text box, type the database cluster name or IP address of the server where PostgreSQL is installed.
Where can I find city area data for the US?
Geographic Information SystemsWhere can I find data about cities? Welcome to City-Data From crime rates to weather patterns, you’ll find the data you’re looking for on City-Data.com. City-Data sees over 14 million users per month and has been featured in 121 books, on CNN, WABC in New York, Bay News 9 in Tampa Bay and USA Today’s
Convert .osm.pbf file to a raster (tif, asc or rst)
Geographic Information SystemsWhat is OSM PBF file? OpenStreetMap PBF is an open source transfer format for vector GIS data created by the OpenStreetMap community. PBF files are generally much smaller than OSM XML files, which they are designed to replace. Can Qgis open a .PBF file? QGIS is now able to read . pbf files with Add
What is the most suitable way to get the boundary of a state or a country or the whole world dynamically?
Geographic Information SystemsHow are country boundaries determined? Political borders can be established through warfare, colonization, or mutual agreements between the political entities that reside in those areas; the creation of these agreements is called boundary delimitation. How are boundaries for countries formed and what is the most common? Rivers, mountain ranges, oceans, and deserts can all serve
Need less significant digits returned in ArcGIS REST Services
Geographic Information SystemsHow do I get my ArcGIS online token? Open the URL http://gisserver.domain.com:6080/arcgis/tokens in a web browser. Enter the following information: User name: The name of a user authorized to access the resource. Password: The user’s password. Client: This parameter enforces restrictions on how the token may be used. Click Generate Token to get the token.