From Wikipedia: In geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles are usually presumed to be in a Euclidean plane, but are also defined in non-Euclidean geometry.
3
votes
2answers
2k views
How to calculate new point coordinates from distance and angle?
I want to calculate the coordinates of a new point.
What I have: The source point coordinates, the distance (meters) and the angle
For example: I want to create a point within 100 meters and 45 ...
3
votes
2answers
643 views
Compute Angle of a line in conventional bearing
I am trying to compute angle between two lines (line segment) using ESRI (ArcGIS, JS) in conventional bearing (Eg: N29'E)
I am using Add Toolbar to draw a line segment where point A is a fixed point ...
3
votes
0answers
88 views
How to digitize 90 degree angles? [duplicate]
Possible Duplicate:
How to create polygons with straight lines and right angles in QGIS?
In QGIS 1.8 is there a way to digitize buildings etc. with perfect 90-degree angles, Or, edit a ...
2
votes
1answer
57 views
Calculate View Angle
I am looking for the most accurate way of calculating the view angle (Azimuth, Elevation) from a reference point (my location) A to another point B. I have the Lat, Lon, and Altitude for each point.
...
1
vote
2answers
155 views
How to calculate the angle between two points (according to a reference point)
I need to calculate the angles between two points on ArcGIS. I have ArcInfo License, too. I have 5 points on a diagram. One of them is my reference point. The other four creates angles between each ...
1
vote
0answers
106 views
Can I Rotate SVG symbol counter clockwise in Quantum GIS? (Direction East 0 - counter clockwise) [closed]
I'm working in a road signs project. I need the signs layer symbol to rotate according to the value in the angle field, so they could be represented facing the correct orientation. However, the angle ...
0
votes
0answers
78 views
Polygon (parcels) label angles apply in Data Driven Pages?
ArcGIS 10 Data Driven Pages (DDP)- Using "Label Style" I am able to change the angles of my parcel labels to match the data frame angle in strip map which is normally greyed out when using DDP. But in ...