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Questions tagged [map-unit]

The ground unit of measurement in which coordinates of spatial data are stored.

0
votes
1answer
38 views

Setting label settings in PyQGIS 3 to mapUnits?

I am converting several Plugins from QGIS 3 and I am struggling heavily with symbology and labeling. The straightforwart QGIS 2 approach seems to be totally gone. I found some help here: Reading and ...
1
vote
0answers
27 views

Saving Style as SLD in QGIS but after reloading unit changes from map units to pixel?

I have a style I am saving in QGIS (2.18) as an SLD. After reloading the Style onto the layer the ouline width changes to pixels instead of map units. I even checked the .sld in notepad and the uom-...
2
votes
1answer
31 views

Convert .mdb file shape area and length units to meter with Qgis

I have a personal geodatabase file (.mdb file), I open it with QGIS Las Palmas on windows 7. It is displayed perfect, but when I open table attributes for polygons, shape_area and shape_length have an ...
7
votes
1answer
487 views

How map unit affects the caption size in the label in Qgis?

I tried to make a the label caption size adjusted relatively to the map scale. It worked, more or less, when I set the size into map unit. I set them to 0.1, and when I zoom out the caption size get ...
1
vote
0answers
86 views

Change map unit for focal statistics

I have around 1000 GPS Points and want to calculate the average value of Night lights, within a 10 km radius in ArcGis. My first approach was to do this with buffers, but a lot of polygons overlap and ...
4
votes
1answer
4k views

QGIS and “map units”

I am a newbie, I think I'm pretty resourceful, but I cannot figure out, or find out by searches, just what "map units" are in QGIS as compared to "decimal degrees". For example I can only navigate by ...
1
vote
2answers
394 views

Changing units project wide from 'Millimeter' to 'Map Units'

All my units in my project are in millimeter. But I would like to switch all units to map units at once without clicking every single signature. I also would like to have the possibility to directly ...
1
vote
0answers
350 views

Choosing CRS to use for South Africa that will give map scale in meters in QGIS?

This has been a constant source of frustration for me. I can't seem to always get my map scale in meters in QGIS, even if I use a CRS that has map units of meters, e.g. Alberts Equal Area and others. ...
1
vote
1answer
905 views

How to change Linear Units

I have an ESRI feature class whose coordinates are 38.263, -122.672 Meters. When I load it into a data frame that uses the GCS_NAD_1983_NSRS2007 datum and the ...
6
votes
2answers
2k views

Which CRS with units in meters for central Germany?

I found several questions in regard of reprojecting data into a CRS with unit of meters and what CRS to use. Usually the counter question is, "for what region, on what scale" and there the discussions ...
1
vote
1answer
682 views

Connecting vector label size with map-units?

I have a working application of labels to a point array - but the size of the text is not relative to the map scale. This decreases the readability of labels when panning and zooming. To resolve~ ...
2
votes
3answers
1k views

How to change DXF unit by Python 2.6

I have a bunch of DXF files to import into ArcGIS 10 but they are all in mm. However I need to change the unit to Meter and to do this I have to open AutoCAD to do it each time. Can anyone help to ...
5
votes
1answer
799 views

Customizing Distance Units in ArcGIS Desktop?

Is it possible to add custom distance units (ex. varas) to ArcGIS Desktop 10 so that they can be used when inputting distances in Editor and COGO tools? I often work with deeds that reference ...
3
votes
5answers
19k views

Changing Data Frame display units in ArcMap?

Last week, in ArcMap 10, I went to View -> Data Frame Properties... -> General tab to change the data frame map display units from Decimal Degrees to Degrees Decimal Minutes. (the Map Units were still ...