A measure of spatial extent, especially width, height, or length. (See the full wiki for additional meanings.)

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1answer
75 views

Calculating the fractal dimension of a line segment

I have a shp file with hundreds of features that represent clipped segments of coastline. Each segment is made up of many vertices (dozens, perhaps even hundreds). (FYI, the segments were created by ...
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1answer
72 views

ArcScene 2D export

I'm submitting a paper to PlosOne, and have been using ArcScene to produce my 3D mapping. However, I'm struggling to comprehend quite how to meet their image requirements ...
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1answer
54 views

How can I strip out Z values in PostGIS?

How do I get rid of the Z dimension in PostGIS? Specifically, I have some MultiPolygonZs that I want to copy into another table as MultiPolygons. I don't care about the Z values - it's okay to just ...
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4answers
203 views

How to change dimension annotation style in ArcMap 10.1?

For some reason, the option to add a "New" or "Import" style is grayed out. I tried creating a different dimension annotation feature class with the style I want, and then copy and pasting the ...
3
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1answer
110 views

Select linestrings containing points with duplicating M coordinates in postgis

I have a table of LineStringM geometries. Some of lines have points with same measure (M coordinate). This is a bug in initial data, that I want to clean somehow. So I need to: 1. Select all records, ...
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1answer
625 views

Conversion from 3 dimension geometry to 2 dimension

I have a Point table in which the geometry column contains both 3 dimension and 2 dimension values.I want to convert this 3 dimensional geometry to 2 dimension.Is there any function in PostGIS? Please ...
3
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1answer
148 views

ArcGIS - Dimension Feature problems

I would like to use the Dimension Feature tool in ArcGIS - this button as I want to have a label on every side of some polygons (they are all reasonably simple polygons). When I click on my polygon ...
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1answer
425 views

PostGIS error reads “Geometry has Z dimension but column does not” [duplicate]

I try to store a polygon in GeoJSON format into my PostGIS table. Both are using the CRS EPSG:3857. This is how the polygon is defined. Note that I put in some whitespace to make it more readable. { ...
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1answer
160 views

Is there a way of changing reference scale of existing dimension feature class?

I have an existing dimension feature class that I would like to change a reference scale of. Is that possible at all? Or do I have to always create a new one, with desired reference scale, and then ...