QGIS rule-based labeling with callouts
Hiking & ActivitiesHow do I label callouts in QGIS? Enable the Label Callout Function in QGIS Head back to properties –> labels and select “callouts”. Then make sure the “Draw callouts” option is clicked. You can choose from two line shapes – a simple linear line or Manhattan lines (which transforms angles to a 45 degree line).
Adding AddIn to ArcMap UI automatically after AddIn installed?
Hiking & ActivitiesHow do I use an addin in Arcmap? Here are the steps necessary to test an add-in: Make the add-in file. Go to your working folder and run the makeaddin.py script by double-clicking it. Install the add-in. Double-click the new add-in file to launch ESRI ArcGIS Add-In Installation Utility. Use the add-in. How do I
What are the differences between 81989 and 27700 CRS for the British National Grid?
Hiking & ActivitiesWhat is the difference between EPSG 7405 and 27700? In fact, EPSG:27700 can be used without any problem on any tools because it does not depend on a specific height grid. In contrast, EPSG:7405, is more accurate because it explicitely uses the ODN height data… but requires it to be loaded in the converter tool.
Adding a new CRS to QGIS 3.10 with custom coordinate reference system
Hiking & ActivitiesHow do I create a custom CRS in QGIS? To create a new CRS, or modify an existing CRS: Click Settings | Custom CRS to open the Custom Coordinate Reference System Definition. Click Add new CRS button to add a new entry to the CRS list above. With the new CRS selected, we can set
Determining if spatial reference Geographic or Projected using ArcObjects?
Hiking & ActivitiesWhat is the difference between geographic and projected coordinate reference systems? What is the difference between a geographic coordinate system (GCS) and a projected coordinate system (PCS) anyways? Here’s the short answer: A GCS defines where the data is located on the earth’s surface. A PCS tells the data how to draw on a flat
Joining table in ArcGIS Desktop but join field is greyed out?
Hiking & ActivitiesHow do I join an attribute table in Arcgis? Joining attributes in one table to another In the table of contents, right-click the layer or table you want to join, point to Joins and Relates, then click Join. Click the What do you want to join to this layer? Click the field on which the