Iterating an Earth Engine calculation (reducer) over every country in the world: a simple example
Geographic Information SystemsHow can I use Google Earth Engine? Opening and running code in the Code Editor Open the Earth Engine Code Editor here: code.earthengine.google.com. If you have not already, you will need to enable access by logging in using a registered Google account. Navigate to the Scripts tab located on the far left of the Code
CartoDB: Geometry code too long, Excel can’t handle it
Geographic Information SystemsWhat to do if a data set is too large for the Excel grid? How to open a data set that exceeds Excel’s grid limits Open a blank workbook in Excel. Go to the Data tab > From Text/CSV > find the file and select Import. Once loaded, Use the Field List to arrange fields
Why is mosaic dataset such large file?
Geographic Information SystemsWhat are the advantages of mosaic datasets? Advantages of mosaic datasets Mosaic datasets are excellent data models for storing and managing data. Mosaic datasets are ideal for distributing data because they can be directly accessed by users and served. What is the difference between mosaic dataset and raster dataset? A raster catalog is a simple
Creating geopackage from multiple raster files?
Geographic Information SystemsHow do I combine multiple rasters into one? Open the Mosaic To New Raster tool by navigating to ArcToolbox > Data Management Tools > Raster > Raster Dataset. Insert the raster files. Select the output location. Specify a name and extension for the output. Specify the pixel type. Specify the number of bands. How
Custom Piechart Symbology in ArcGIS Pro
Geographic Information SystemsHow do I convert Symbology to representation in ArcGIS Pro? In the Table of Contents window in ArcMap, right-click the symbolized layer and click Convert Symbology to Representation on the shortcut menu. In the Convert Symbology to Representation dialog box, type the name of the new feature class representation and the RuleID and the Override
Earth Engine timelapse with missing images and artifacts
Geographic Information SystemsWhy is Google Earth Timelapse so blurry? Fix blurry imagery Clear your cache. Turn off Anisotropic Filtering. Check the status bar at the bottom of the image: If the status bar is at 100% and the image still looks blurry: We don’t have high-resolution data for this location. How do you make a Timelapse in
Calculate volume of a polygon using leaflet
Geographic Information SystemsHow do I find the volume of a polygon? Volume of a Prism (regular polygon base) In general, the volume of a prism is the area of the base times the height of the prism. How do you find volume with dimensions? To find the volume of a box, simply multiply length, width, and height
The difference of transforming raster file in different cordinates between export and projection
Geographic Information SystemsWhat is the difference between changing the data frames projection and re projecting data? The simple and concise answer is that ‘Reproject’ actually transforms or re-maths the locations of features. Exporting in data frame’s projection merely adjusts source metadata for the output . How to reproject coordinates in r? You can use spTransform() function to
Installation of Google Earth Engine API in conda fails
Geographic Information SystemsHow do I install Google Earth engine in Anaconda? The Earth Engine Python API can be installed to a local machine via conda, a Python package and environment manager. Conda is bundled with Anaconda and Miniconda Python distributions.Install Miniconda Download the 64-bit Python 3 Miniconda installer to your Home directory. Run the installer. Delete the
Raster Editor in QGIS
Geographic Information SystemsHow do I edit raster in QGIS? Editing DEM pixels values in QGIS using Serval Plugin Probe button allows you to check the cell values in the raster. Drawing button activate the ability to modify the values of a raster cell. Clicking on the Set raster cell values to NoData button and then in the