For questions regarding the increments used in measuring values.

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1answer
37 views

System of units for latitude, longitude

Let us say that I would like to store latitudes and longitudes like this: lat 35 degree long 80 degree Which system of units does the unit 'degree' belong to? It is not really a SI unit nor a ...
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0answers
36 views

AutoCAD dimensions units

Not sure if this question belongs (Please tell me if it isn't) I have an AutoCAD drawing that is in centimeters, and every time I insert a dimension, it appears in centimeters (which makes sense ...
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0answers
74 views

How can I obtain the unit of a projection SRID?

Given a projection SRID, is there a way I can obtain the coordinates unit string (meter, degree, ...) ? In PostGIS for example, it looks like it is present in the srtext column of spatial_ref_sys. ...
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0answers
629 views

Distance Matrix in QGIS

Can anyone help me with the distance matrix tool in QGIS? Is there a tutorial about it? It sometimes crashes when I use it and the values that it produces seem strange. I am a beginner in QGIS, so I ...
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0answers
698 views

mixing lon/lat and mercator layers in a MapServer .map file

I have a basic question about my MapServer .map file, which has two layers, each with a different coordinate system, longlat vs. mercator. See my .map file below. If I leave it as shown below, with ...
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0answers
11 views

How do you change the map units returned on ArcGISRuntime 10.2.4 for .NET

I am working on a project that requires the frequent usage of feet as the expected unit of input and output. We're using the .NET SDK with the Esri.ArcGISRuntime.Controls.Mapview in WPF. Basically we ...
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0answers
33 views

Surface Volume 3D Analyst tools

I'm using Surface Volume tool (ArcGIS 10.3) to calculate volume of air from a valley. I delimited my DEM (clip tool) and choose Below as plane reference with 603 m as height. The DEM is projected in ...
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0answers
23 views

Setting correct units for Near tool?

I need to use the near tool to calculate distances between data points and a stretch of coastline. My problem is that when I run the function, the values that come up in the Field of the points' ...
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0answers
129 views

changing unit of area from unknown unit to square meters

I am using Qgis 1.8 and I have this polygon.Now I wanted to know the area of this polygon and i have used field calculator and it shows my area as 651692439.under general tab crs is : EPSG:4326 - WGS ...
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0answers
286 views

How to change Editor Units to Feet for COGO Traverse?

I am in the Editing Options and looking for the place to change the Units to Feet from Decimal Degrees. I have tried going into my data frame properties and changing the display units to feet but that ...
0
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0answers
933 views

Convert a decimal degree to meters from the MySQL Spatial GLength

The MySQL Spatial function GLength returns the distance between two points, this distance is in the same unit from the projection. Since I'm using the WGS84 (SRID:4326) the answer will be with ...