Map Scale Bar Grossly Incorrect
Geographic Information SystemsWhy is my scale bar wrong ArcMap? Answer. A scale bar on a map set to a geographic coordinate system using units of decimal degrees only measures distances correctly at the Equator. To apply a scale bar that measures distances correctly over all areas of the Earth’s surface, the ArcMap data frame must be set
Understanding measurement units for MODIS data?
Geographic Information SystemsWhat is MODIS satellite data? In addition to recording the frequency and distribution of cloud cover, MODIS measures the properties of clouds such as the distribution and size of cloud droplets in both liquid water and ice clouds. MODIS also measures the properties of aerosols—tiny liquid or solid particles in the atmosphere. What is Terra
Changing style across multiple layers
Geographic Information SystemsHow do I edit multiple layers at once? Quote from video: You want to be able to go back to the original. So i've done that already. And now what i'm going to do i'm going to edit. This line layer as i want i'm going to record how i've edited. Can you transform multiple
R – extract() function – buffer option not working
Geographic Information SystemsWhat is extract function r? “extract” is an R function which implements the dyad ratios algorithm described in Stim- son (2018) for constructing a latent time series from the raw materials of survey research marginals. How to extract data from raster in R? Extract Raster Values from Points using R Step 1: Create a Raster
OpenLayers snap to road
Geographic Information SystemsWhat is snap in OpenLayers? The snap interaction modifies map browser event coordinate and pixel properties to force the snap to occur to any interaction that them. See: http://openlayers.org/en/v3.8.2/examples/snap.html. What is the use of OpenLayers? OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data
ArcGIS Pro and Delphi Development
Geographic Information SystemsWhy is ArcGIS Pro better than ArcMap? ArcGIS Pro allows you to edit directly into feature services to change symbology and pop-ups, query data and analyse data easily. Essentially map services and feature services are to ArcGIS Pro as feature classes are to ArcMap. Is ArcGIS Pro replacing ArcMap? ESRI Desktop Software ArcGIS Pro is
Reclassifying raster in QGIS
Geographic Information SystemsHow do I reclassify raster data? Click the Input raster dropdown arrow and click the raster with the values you want to reclassify. Click the Reclass field dropdown arrow and click the field you want to use. Click the Classify button. Click the Method dropdown arrow and choose a classification method to reclassify your input
Shifting poles in QGIS
Geographic Information SystemsHow do I Reproject coordinates in QGIS? Go to Settings ‣ Options… On the left panel of the dialog, select CRS. Un-check Automatically enable ‘on the fly’ reprojection if layers have different CRS.Deactivate “on the fly” re-projection again: Click on the CRS Status button again. Un-check the Enable ‘on the fly’ CRS transformation box. Clicking
How to find geographic coordinates of intersection point of two lines originating from two different geographic coordinates?
Geographic Information SystemsHow do you find the intersection of two lines with coordinates? How Do I Find the Point of Intersection of Two Lines? Get the two equations for the lines into slope-intercept form. Set the two equations for y equal to each other. Solve for x. Use this x-coordinate and substitute it into either of the
Improving ArcGIS Pro Basemap Quality when exported to PDF?
Geographic Information SystemsHow do I save an ArcGIS Pro map as a PDF? Open the ArcGIS Project. On the Share ribbon tab, click Export Map. In the Export Map pane, for File Type, select PDF from the drop-down menu. Can you Export a basemap ArcGIS? This layer presents satellite imagery for the world and high-resolution imagery for