on December 27, 2022
Leaflet CRS.Simple or CRS.EPSG3857 conversion Problem
Geographic Information SystemsWhat CRS does Leaflet use? EPSG3857 The most common CRS for online maps, used by almost all free and commercial tile providers. Uses Spherical Mercator projection. Set in by default in Map’s crs option. From this I concluded that I should convert my maps to EPSG:3857 so that this can work in Leaflet. What is
on December 27, 2022
How to get a total amount of cells per classification type in a raster in ArcGIS 10.1?
Geographic Information SystemsHow many cells are in my raster? By default, the size of a raster attribute table is limited to 65,535 unique values. How do you find the cell size of a raster? Quote from video: You can also go to the properties of the raster. And over here under the cell size you can see
on December 27, 2022
Highly Imbalanced dataset
Geographic Information SystemsWhat is a highly imbalanced dataset? Imbalanced data refers to those types of datasets where the target class has an uneven distribution of observations, i.e one class label has a very high number of observations and the other has a very low number of observations. What is imbalanced dataset with example? Within it, we have
on December 27, 2022
How to MOVE and RESIZE Features within a Layer?
Geographic Information SystemsHow do I move a feature in Arcgis? To move a feature, select and drag it with the pointer. After selecting multiple features, you can right-click and align or distribute the features. To move a topological edge or feature, turn on map topology. On the Edit tab, turn map topology off, choose your snapping preferences,
on December 27, 2022
Showing just color ramp in legend without values
Geographic Information SystemsHow do I export a color ramp from Arcmap? You can save a color ramp created on the Layer Properties dialog box by right-clicking the ramp and clicking Save to style. How do I add a color ramp in Arcmap? Steps: Click Customize > Style Manager. Click the Color Ramps folder in the style tree
on December 27, 2022
Adding and visualizing unique values in raster dataset using ArcGIS Pro
Geographic Information SystemsHow do I assign unique values in ArcGIS pro? To create a unique values map, complete the following steps: Expand a dataset in the data pane so that the fields are visible. Select a string field . Tip: Drag the field to the page and drop it on the Map drop zone. A unique values
on December 27, 2022
How to return raster values based on polygon (shapefile) boundaries in QGIS?
Geographic Information SystemsHow to calculate raster area in QGIS? The function get_raster_area is used to calculate the total area of the raster. This is achieved by getting the total area of each cell and then multiply by the number of cells in the coverage raster. The function get_area calculates the total area of each color range by
on December 27, 2022
How does QGIS reproject data onscreen when the project CRS is geographic?
Geographic Information SystemsHow do I Reproject data in QGIS? QGIS allows you to reproject data “on the fly”.To understand what ‘on the fly’ reprojection does, deactivate this automatic setting: 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. Click OK.
on December 27, 2022
How to dissolve geodatabase map across two subdivision levels in Arcgis 10.2
Geographic Information SystemsHow do I dissolve a layer in ArcGIS? There are two methods for dissolving boundaries: overlapping or adjacent areas and field value. The Dissolve Boundaries tool has the option to calculate statistics on numerical fields for areas that are being dissolved together. The statistics include sum, average, minimum, maximum, and standard deviation. How do you
on December 27, 2022
PyQGIS – Creating Pie Chart
Geographic Information SystemsHow do I make a pie chart in Qgis? Quote from video: Information using pie charts what you can do is you can again go to properties. And over here you see an option called diagrams. How do I create a graph in Qgis? Quote from video: So i'm going to layer. Add layer i'm