Proj: Oblique Mercator specifying two points on central line
Geographic Information SystemsWhat is Oblique Mercator used for? Usage. Hotine oblique Mercator projection is appropriate for mapping large-scale areas or smaller areas with an oblique orientation that do not follow a north-south or east-west predominant extent. What are the strengths of the oblique Mercator? The oblique Mercator map projection is an adaptation of the standard Mercator projection.
Subsetting a specific number of features in a large dataset so that they are all together in ArcMap
Geographic Information SystemsWhat is subset in ArcMap? The Subset Features tool divides the data into two subsets. Subset one will have L features, and subset two will have N – L features (with N being the amount of features in the original dataset). The features are divided by generating random values from a uniform [0,1] distribution. What
Road Shield Labels not displaying properly
Geographic Information SystemsHow do I label roads in ArcGIS? On the Label Position tab, on the Label Class pane, choose Street placement and choose the Centered curved position. In the Street placement options, check May place label horizontal and centered on the street and set the values for End of Street Clearances as below: Preferred—100% of font
Calculating the distance between points and multiple lines?
Geographic Information SystemsWhat is the formula for distance between points? Distance between two points is the length of the line segment that connects the two points in a plane. The formula to find the distance between the two points is usually given by d=√((x2 – x1)² + (y2 – y1)²). This formula is used to find the
Cutting donuts in QGIS
Geographic Information SystemsHow do I cut a polygon in QGIS? Quote from video: So let us split this polygon. So let me go to the option called edit. And go to the edit. Section now go to the properties now to go to the section called edit geometry. And now go to the split. How do I
Overlapping symbol in print layout in QGIS
Geographic Information SystemsHow do I change print layout in QGIS? To open the layout manager dialog: from the main QGIS dialog, select Project ► Layout Manager… menu or click on the Layout Manager button in the Project Toolbar; from a print layout or report dialog, select Layout ► Layout Manager… menu or click on the Layout Manager
Dataframe object is not callable
Geographic Information SystemsWhy is my DataFrame object not callable? This error usually occurs when you attempt to perform some calculation on a variable in a pandas DataFrame by using round () brackets instead of square [ ] brackets. How do you resolve a DataFrame object is not callable? This error is easily fixed by using the brackets
Are there free maps available that can show me land planted with oil palm?
Geographic Information SystemsWhere is palm oil grown? Many vast monocrop oil palm plantations have displaced tropical forests across Asia, Latin America and West Africa. Around 90% of the world’s oil palm trees are grown on a few islands in Malaysia and Indonesia – islands with the most biodiverse tropical forests found on Earth. Where does palm oil
Set band value as property in an image collection Google Earth Engine
Geographic Information SystemsWhat is band in Google Earth Engine? Images in Earth Engine (see this page for more details) are made up of one or more bands. Each band in an image has its own name, pixel values, pixel resolution, and projection. As you’ll soon discover, the SRTM image has one band: ‘elevation’. Can I export an
Use multiple connections/databases in a query layer?
Geographic Information SystemsHow do I perform queries using multiple databases? Multiple Databases on One Server Instance There are two requirements: You must prefix all table references with the database name (e.g. customers. customer instead of just customer). The account issuing the query must have sufficient privileges on the tables in both databases to execute the query. Is