Questions tagged [measure]

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3
votes
1answer
45 views

Measuring distance between points in one layer and related points in a different layer in QGIS

I have two point layers. One of biological records which has an attribute field for the SiteID that the species has been found at. The second layer is a Sites layer with a centroid location for that ...
1
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2answers
59 views

Measuring the sides of a polygon one by one

At the moment I am working on an OpenLayers project or rather I am learning on a project. I stumbled upon a feature: When you click on a polygon on the OpenLayers map and that plygon is selected and ...
2
votes
1answer
56 views

Is it possible to convert QGIS 3 measure tool output to polyline?

I am wondering if it is possible to convert the results of the QGIS (3.16.0-Hannover) measure tool to a polyline (or shapefile). I need to make a series of linear measurements and would like to keep a ...
1
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2answers
20 views

Measuring length in Southeast Korea projection

I have a GIS dataset currently projected in Web Mercator. Is there an option for a more accurate segmentation length projection when I need accurate lengths in Southeast Korea?
0
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0answers
39 views

Measuring tool and field calculator giving wrong area in QGIS 3.10.4

I've been consistently having issues with the QGIS measuring tool in 3.10.4. When I measure an area or line (regardless of the units) it gives a wrong value when compared to the measuring tool in ...
2
votes
1answer
50 views

QGIS- Missing measure line box/point during editing

I've just updated my QGIS 3.4.4 to QGIS 3.10.8 and now I cannot measure distance and place point on measured distance. As soon as I click on to editing/adding point the measure tool box and line/point ...
1
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1answer
35 views

QGIS - Inaccurate field calculator

When I retrace a polygon using the measure area tool and get what I believe to be an accurate area measurement. However if I utilise the field calculator within the attribute table to calculate the ...
1
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0answers
207 views

openlayers 6: measure tool dosen't show up drawn shapes

I am working on a laravel project, where I need to insert a map in the interface of my application. I am using openlayers V6.3.1 to create the map with its basic tools. I still have a problem, measure ...
0
votes
2answers
79 views

Using QGIS, how can I click on a route and obtain the measure or distance for that clicked point?

I'm looking for the QGIS-equivalent of ArcMap's Identify Route Locations tool I do use the LRS plugin, but I don't see this functionality in that plugin. Thank you.
3
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0answers
63 views

Restoring Measure tool window in QGIS?

My measure dialogue box seems to have taken leave of my QGIS. I've reviewed the previous answers about resetting the interface, checking for the dialogue box outside of view, all kinds of things. The ...
-1
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1answer
66 views

Is it possible to add an extra Area Measure tool on qgis2web map?

Is it possible to add an extra Area Measure tool on qgis2web map? I am confused.. code is here. exporting qgis2web map with openlayers completes with no error.. but with leaflet it ends with ...
0
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0answers
98 views

Add Area Measure Tool in qgis2web output map

I tried to add an Area Measuring Button parallel to the Distance Measuring Button to a map from qgis2web output.. but somehow it didn't trigger.. I put values off the Button id "Line" and "Polygon" ...
0
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1answer
53 views

Adding M values using Python [closed]

Is there a python library that can be used to make a line shapefile m-aware? To be achieved only using python code and not arcpy libraries
2
votes
1answer
72 views

Holding horizontal and vertical lines while measuring in QGIS

Is it possible to hold horizontal and vertical (similar to Ortho mode from Autocad) lines while using the measurement tool in QGIS?
3
votes
1answer
128 views

Measure Line while editing in Edit Mode (Workaround?)

It's unfortunate that QGIS does not allow the use of the Measure Line tool while activiely editing something with Add feature or Vertex tool. As soon as one of the latter tools are switched on the ...
1
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0answers
93 views

Solved - QGIS Measurement

Solved. In QGIS I turned off CRS. It then read the data of the image correctly. I have brought a tiff photo of a side of a building into qGIS. It is about 300 images that were put together in ...
2
votes
3answers
246 views

Finding accurate distance of a drawing in QGIS

Attached shows a rough drawn image of a pipeline track. I need to measure the pipeline track from one end to the other, e.g from the red and blue square to the other red and blue square, e.g from the ...
2
votes
1answer
83 views

Adding shape of defined dimensions using PyQGIS in QGIS 3.4

I am attempting to add a feature with defined geometry as a layer. Having added the feature I checked on the dimensions of its sides and they measure differently. This is the code that I am using. x ...
0
votes
1answer
66 views

Setting default ArcGIS Pro Measure Distance value?

How do I set the Measure Distance tool default value to feet instead of Imperial in ArcGIS Pro?
1
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1answer
549 views

How to create unit and quantity “amount per area unit” in JSR-363?

I am trying to integrate units and quantity with JSR-363. I know and understand how to create SI and NONSI units and convert e.g. Areas units from one to another. But, in a kind of geographic ...
1
vote
1answer
533 views

Get correct measurements for fantasy world map

I read lots of questions about fantasy maps and custom crs but none of the answers could solve my problems. Here is what I have: A planet with an equatorial circumference of 38 211 km (radius: 6081....
2
votes
1answer
672 views

How do v.distance 'upload' parameters actually work?

I'm trying to use v.distance (using QGIS 3.4) to calculate the distance in meters between a layer of water shutoff points and the boundary of the nearest building footprint polygon. Even better would ...
2
votes
1answer
319 views

Measuring between points in QGIS

I'm trying to automatically measure the distance between 500 points in order of attribute value. So the points have the value 1 to 500 and in that order I want to measure the individual distance of ...
3
votes
2answers
1k views

Measure tool has disappeared/not showing up

i am trying to measure distance in mine, everything worked fine until yesterday when suddenly the measure box didnt show up, thereforr i cant see the results. As you can see on the picture, the ...
0
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2answers
177 views

Tracing or snapping to polygon border for measure tool

I am trying to do a simple measure of the length of seperate sides of a polygon depending on which other polygons it borders (in the image: the dark blue borders of the green polygon to the white area ...
3
votes
1answer
2k views

QGIS measure tool window has disappeared?

I'm using QGIS 2.18.14. I'm able to measure with the tool, but there is no dialog box/window with the actual results. Where is it hiding?
2
votes
1answer
1k views

Calculate length of Multilinestrings/Linestrings/Polygons in geoJSON file

I have a couple of routes on my map where I would like to display the length of each route. I think I've found what I was looking for here: https://github.com/tyrasd/geojson-length, but I'm not sure ...
2
votes
2answers
277 views

How to measure mean distance in search radius by PyQGIS?

I have a point layer with 250 features. I want to find mean distance for each point feature base on 500 search radius. In QGIS by "Distance Matrix" I can measure mean distance for each feature based ...
2
votes
1answer
705 views

Resetting measure tool units back to decimal degrees in ArcMap?

I was using the measure tool and it was displaying in decimal degrees as I wanted. Then I changed it to meters temporarily and then wanted to go back to decimal degrees, but no matter what I do I can'...