on December 28, 2022
Using android phone to plot GPS points?
Geographic Information SystemsCan I use my phone for GPS coordinates? Both Google and Apple Maps make great GPS location finder apps through their search bar. Alternatively, you can also obtain any location’s latitude and longitude by holding your finger down on the map. How do I use GPS waypoints on Android? Quote from video: Open Google Maps
on December 28, 2022
Substracting rasters using ArcGIS Raster Calculator?
Geographic Information SystemsHow do I subtract two rasters in ArcGIS? Procedure In ArcMap, navigate to ArcToolbox > Spatial Analyst Tools > Map Algebra > Raster Calculator. In the Raster Calculator window, double-click one of the rasters to be analysed, click the minus sign (-), and double-click the second raster. Specify the name and location for the output
on December 28, 2022
OpenLayers WFS vector layer
Geographic Information SystemsIs WFS a vector? WMS involves the server sending a single map image, whereas WFS involves the server sending vector data as text to be drawn by the client. How do I publish a WFS layer in GeoServer? Publish the layer by clicking on the publish link near the gs_ny_roads layer name. Notice that you
on December 28, 2022
Calculate new coordinate based on distance traveled between two other coordinates
Geographic Information SystemsHow do you find a coordinate when given the distance? Quote from video: Remember the distance between two points is the square root of the difference in the x-values. What is the formula for calculating coordinates? y = mx + b. A horizontal line has gradient 0. In a horizontal line all points have the
on December 28, 2022
Placing point symbol on center of polygon in ArcMap?
Geographic Information SystemsHow do I mark a point in Arcmap? Simply click a point template in the Create Features window and the Point tool is automatically activated. Click the map where you want to add the point. You can right-click the map or use snapping to help you create points at exact locations. How do I change
on December 28, 2022
How many percentage of sea area is covered with points?
Geographic Information SystemsWhat covers 70% of the ocean floor? Abyssal plains Abyssal plains Continuing your journey across the ocean basin, you would descend the steep continental slope to the abyssal plain. At depths of over 10,000 feet and covering 70% of the ocean floor, abyssal plains are the largest habitat on earth. How much percent does the
on December 28, 2022
Trying to join opentopomap maps together with mkgmap
Geographic Information SystemsDoes Garmin use open street maps? OpenStreetMap or OSM is a highly detailed map dataset that is used in many different Garmin products that feature mapping. How do I get OSM maps on my Garmin? 4 – Enable the map on your Garmin GPS Disconnect your GPS from your computer and power it on. Go
on December 28, 2022
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
on December 28, 2022
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
on December 28, 2022
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