Skip to main content

Questions tagged [map-drawing]

The process of rendering a georeferenced map using GIS software

Filter by
Sorted by
Tagged with
0 votes
1 answer
60 views

Creating a vineyard map with QGIS

I'm trying to plot dots (the vines) in an irregularly shaped polygon. they are in parallel rows spaced 1.4 m apart and the vines are spaced 1.2 m apart. The rows are at a 45º angle from N. I tried to ...
Sophie Bernstein's user avatar
1 vote
1 answer
84 views

How to enable automatic georeferencing of hand drawn lines

Our company does a lot of bird surveys, we often need to draw flight patterns on a paper maps and convert these lines into shapefiles to create digital maps (e.g. of migration routes) for our reports. ...
chente's user avatar
  • 11
0 votes
0 answers
20 views

GEE App: Adding a computed layer to drawingTools.layers() and plot vegetation time series plots on ui.Map

I want to compute a buffer of 50m around the user drawn point using drawingTools. I want to save this computed buffer to drawingTools.layers() to be used later as the geometry on which my vegetation ...
asmita-deep's user avatar
0 votes
0 answers
85 views

Draw an area having only a point and distances to the 4 borders

Using Geotools with Swing GUI. Is it possible to somehow create a shape having only one coordinate (Lat,Lon) and four distances in meters to the borders? Lets say we have only the "C" point ...
Magno C's user avatar
  • 2,140
0 votes
0 answers
76 views

Draw on map a feature already present with its information in the attribute tables

I know how to add a feature, whatever the geometry, to a layer, by drawing it on the map (e.g. with the Add Polygon Feature): once the geometry is completed, a window for inputting its attributes is ...
Michele Cordini's user avatar
1 vote
0 answers
2k views

OpenLayers: draw a shape (square or circle) where the user clicks on map [closed]

In OpenLayers 6, using OSM, I'm trying to draw either a square or a circle where the user clicks on a map. The shape should be (around) 5km of side or radius. So far I've produced the following to ...
Jack's user avatar
  • 111
1 vote
0 answers
1k views

Adding a new point at user click while modifying an existing line or polygon geometry using Mapbox-gl-draw?

I would like to have an edit option for my user to edit an existing line or polygon plotted in a map. The edit option should allow user to add new vertices where user clicks. I have tried using Mapbox-...
Sreejith V's user avatar
2 votes
0 answers
107 views

GeoTools slow pane drag problem

I've created a map using GeoTools IntelliJ Quickstart. When I move the displayed map on the screen with the pane tool, non visible parts become visible on the screen appears as a blank white area ...
AYŞE BALCI's user avatar
0 votes
1 answer
401 views

Adding features to featureCollection does not update the map

I am trying to draw lines on the map using GeoTools, and my goal here is to prevent reloading the window when I draw lines on the map every time. I created a layer based on a featureCollection and ...
AYŞE BALCI's user avatar
0 votes
1 answer
123 views

Addlayer method reloads screen and the white screen seems in Java desktop application using GeoTools

I am trying to draw lines on map using GeoTools. Firstly I added a map layer, and while the program still is running, the user draws a line with mouse clicks. But every time addLayer method calls, the ...
AYŞE BALCI's user avatar
5 votes
1 answer
650 views

Using polygon fill effect to desaturate underlying base-map imagery in QGIS

In QGIS 3.12 I'm tying to use a draw effect with a polygon layer (that has an inverse fill) that will desaturate imagery underneath it, while keeping it's brightness the same. The objective is to have ...
Matt Canada's user avatar
1 vote
1 answer
565 views

Point symbols auto-scaling in map with QGIS 3.2

My point symbols are auto scaling when zooming in and out. I have seen users ask how to do this and the answer seems to be changing the size measurement to map units, but I am in millimeters and it is ...
kitow's user avatar
  • 13
0 votes
0 answers
73 views

ArcMap drawing 0-values in raster as blank

I am visualizing a series of rasters with floating point data ranging from -30 to +50. In ArcMap 10.7, I am using a Classified color scheme for symbology that bins the values into 10's. At my desired ...
Mon Mo's user avatar
  • 523
1 vote
0 answers
102 views

OpenLayers WMS image colour analysis

I have a project where I load in different WMS layers. These layer consist of different colours that represent roofs, lawns, trees, roads,... Users are able to draw polygons of the contours of their ...
Stephen's user avatar
  • 285
2 votes
0 answers
157 views

Is there any tool or somehow to make a OpenStreetMap editor which can manage multi layer in it?

I need to build a web application that could draw, edit, import, export,.. map using OSM data. In that, I could add layers and manage like tree form. The layer can be toggled on/off on the map to edit....
nguyenthanhdat's user avatar
0 votes
1 answer
394 views

In OpenLayers 6, remove or rub drawing features like any photo editing application

I am working on application where user can do drawing and change color, stroke, fill and perform undo, redo. One feature is user should have option to rub/remove features like Photoshop or paint. ...
iqbal's user avatar
  • 31
3 votes
1 answer
2k views

Drawing text, callouts, rectangles, etc in QGIS

In ArcGIS Desktop, you have a specific toolbar for adding text/ drawing rectangles, circles, ... / adding callouts (see screenshot), which I use very regularly. However, I am switching to QGIS 3.4, ...
samieboy_6_'s user avatar
1 vote
1 answer
74 views

Openlayers 4.6.5 Drawing not populating on map

The code is as follows @Input( 'coreMap' ) coreMap :CoreMapComponent vectorLayer : VectorLayer; modifyLayer : Modify; draw: Draw; vectorSource: VectorSource; style: Style; snap: Snap; ...
Munerz's user avatar
  • 133
2 votes
2 answers
732 views

Using PYQT drawing function in QGIS?

I work on a wood fire simulator project in university that uses QGIS. I have to draw various symbols on the map. As I'm not able to design it with qgis functions so I made it with in a stand alone ...
Skaldr's user avatar
  • 45
0 votes
0 answers
1k views

Drawing parallel lines in QGIS 2.18?

Is there a button in QGIS that will allow me to create parallel lines? I do not mean by using a script, or distance from. I usually use ArcMap, and in ArcMap you just begin editing, select parallel ...
Amanda lehew's user avatar
0 votes
1 answer
1k views

Calculating the proportion of area drawn over boundary file

I'm working with agriculture area data in MapInfo. I downloaded the boundary file from StatCan (call it STC), and a freehand draw tool downloaded here https://tinyurl.com/ydarsnq8 (call it DRW) I can ...
coolintake's user avatar
1 vote
1 answer
2k views

Drawing shapes and features in OpenLayers 4

Using OpenLayers 4, I want to make a map giving the ability to draw shapes AND features. For this I want to combine the draw shapes example with the draw features example, both given on the website of ...
Jelle's user avatar
  • 371
2 votes
3 answers
3k views

How to programmatically start drawing in OpenLayers 4._

In openlayers there are 2 paradigms for drawing features one is to create a "draw interaction" that lets the user draw a feature and the other is to create the geometry and feature yourself--then add ...
N-ate's user avatar
  • 121
2 votes
1 answer
153 views

How show a new feature layer in map?

I'm creating a new feature layer like that: createNewFeature: function (layer, geometry, layerInfo) { var loJsonFS = { "displayFieldName": layer.displayFieldName, "fieldAliases": ...
Pilgrim's user avatar
  • 295
0 votes
1 answer
6k views

Draw a polygon automatically through markers (points) in google maps

I have a difficult situation, I'm trying to draw a polygon through markers (points), what I need is for the polygon to be drawn automatically after tracing the points. The problem is that most of the ...
Kelebra93's user avatar
1 vote
1 answer
979 views

Get coordinates from a drawing point using OpenLayers 2

I implemented a drawing feature (OpenLayers2) on an OpenStreetMap. I searched about how to get coordinates from a drawing point. But I'm still stuck at this point. I tried this code in order to get ...
Karro's user avatar
  • 21
2 votes
2 answers
6k views

How to remove points on the Openlayers map?

I am experimenting with openlayers. I am adding points to the map using this example. However, I also want to delete unwanted points from the map. For example, I clicked 6 points on the map and I want ...
WOW's user avatar
  • 327
1 vote
2 answers
1k views

Drawing and Editing in QGIS

Is it possible to carry out vector editing functions in QGIS? In this case I have an imported shapefile of contour lines. I wish to be able to create a copy of a line, in-situ, trim it, then create a ...
ensta's user avatar
  • 127
2 votes
1 answer
59 views

Point layer draws very slowly after using ArcPy to add to mxd?

I am using an ArcPy script to add a point feature class to an mxd. The map document will draw this layer very slowly, approximately 50 to 100 points per second. If I remove the layer and add it ...
Craig T's user avatar
  • 464
2 votes
1 answer
94 views

ArcMap issue - Table text in data view area

I had the oddest of errors in ArcMap today. After zooming out after doing some union and polygon to raster operations, the system become very slow and one of the layer's table information is drawn in ...
Rasmus Gustafsson's user avatar
2 votes
1 answer
1k views

Small features don't draw when zoomed out using Geoserver WMS

I am using Leaflet to access polygon layers through Geoserver WMS. When I zoom out the smallest polygons will disappear and not draw. They would essentially be a dot if they did draw. Is there a way ...
user86605's user avatar
1 vote
1 answer
4k views

One or more layers failed to draw: [LAYER NAME] There was a problem drawing the shapefile. Drawing aborted [closed]

Using ArcMap 10.1 I Merged multiple .shp layers (each with multiple polylines) into one .shp The resulting layer will not draw, I get the following error message: One or more layers failed to draw: [...
Ben's user avatar
  • 61
2 votes
1 answer
4k views

Get coordinates from drawn items with Mapbox-gl-draw

I'm using mapbox-gl-draw in my application and I need to get and save the coordinates of the drawn items on the map. I've checked and I found turf getCoor method, but I don't know how to access the ...
Claudia Moreno's user avatar
1 vote
1 answer
789 views

Creating a Vineyard Map with QGIS using Fishnet

In the vineyard there is a set number of rows, with a distance between each row and then the vines sit along the rows at the same distance apart. I have tried using a Fishnet to map the rows and then ...
Leon's user avatar
  • 19
1 vote
0 answers
101 views

Can typical Meets and Bounds (angles and distances) drawings be accurate in QGIS?

I’ve been working with parcel boundary shape files (.shp), standard satellite imagery, and Meets and Bounds (angles and distances) site maps / legal descriptions for a few weeks. Wondering if those ...
rjlabs's user avatar
  • 329
1 vote
1 answer
216 views

Node-line minimum distance: draw the minimum distance point location

I am working with a layer of nodes and a layer of lines. I would need a tool able to find and draw, for some couples node-line, the location of the closest point laying on the line to this node. ...
Patapunfate's user avatar
3 votes
1 answer
258 views

How can I make a polygon from intersecting lines of different layers in QGIS?

I am constructing a geological map which involves constructing boundaries to areas which vary in style across their length depending on how well defined they. To do this I have created two distinct ...
AlexLipp's user avatar
  • 151
1 vote
2 answers
3k views

How can I use shift or ctrl key without openlayers 3?

I want to verify if Shift or Ctrl key is pressed to make my own multiselection. I use a digitizer to draw polygon, rectangle, etc... to make selection from geometry on server-side (with mapguide api)....
VincentDEJ's user avatar
4 votes
2 answers
14k views

Openlayers 3 Select Interaction style function

I have a style function for LineStrings which will place a circle at each vertex of a feature. When I select the feature it reverts to using the default style even though I have replicated my style ...
dvmac01's user avatar
  • 1,065
3 votes
0 answers
72 views

How do you show agreement between polygons based on hand-drawn maps?

I'm somewhat new to GIS, coming from a linguistic background, and now I'm trying to make QGIS do something that I want from that background. I have some hand drawn maps with certain areas of the ...
Mart's user avatar
  • 31
3 votes
1 answer
8k views

Openlayers drawing interaction geometryFunction

Can anyone help me to convert this function so that it is not dependant on the ol3-debug file as I don't know quite what is replaced upon build. The function works but only in debug mode. It is in ...
dvmac01's user avatar
  • 1,065
1 vote
0 answers
339 views

Memory leak updating geometry - ArcGis Runtime .Net

i'm working with ArcGis Runtime SDK for .Net v10.2.5. I have an UDP socket listening and waiting for image data that fires a function executed on a different thread in background. I want to draw ...
Dan's user avatar
  • 53
1 vote
1 answer
111 views

ArcGis Runtime SDK for .Net - keep feature in the middle of the screen

i'm working with ArcGis Runtime 10.2.5 SDK for .Net. I want to keep a graphic in the middle of the screen no matter what happens in basemap. I want to simulate an aircraft flying over the map, ...
Dan's user avatar
  • 53
1 vote
1 answer
3k views

Get Radius in epsg 4326 with Openlayers 3

What is the best method for getting the radius of a circle in Openlayers 3 in epsg 4326 (geodesic)? I'm using this example for a base and trying to draw a circle while getting the radius, but using ...
Dean's user avatar
  • 567
5 votes
3 answers
18k views

ArcGIS - possible to set the drawing order of polygon features [duplicate]

I have a table with polygons that I wish to display in a map. I would like the smaller polygons to appear on top of larger polygons. Is there a way to set the drawing order such that the larger ...
val's user avatar
  • 631
1 vote
1 answer
655 views

Drawing buildings with Holes inside with Openstreetmap XML data

I'm trying to draw a map using OSM raw data.Some of buildings have holes inside (may even more than one hole at a time) . In way list, all I can see is set of "way nodes". Where should I get the ...
Berke Cagkan Toptas's user avatar
0 votes
1 answer
3k views

How to store Google Maps DrawingManager Rectangle overlay in PostgreSQL Postgis GEOMETRY(GEOMETRY, 4326)

What is the correct way to store a Google Maps DrawingManager rectangle overlay? The API basically provides me with NE & SW lat/long coordinates. Should I use BOX()? Is it possible to create a BOX(...
Paradox's user avatar
  • 21
5 votes
5 answers
18k views

Online service that allows drawing a circle on top of a map?

I need to draw a circle around a central location to show where other places are within a given distance. As objects, OSM-based Umap only supports Marker, Polyline, and Polygon. Currently, I take a ...
Gulbahar's user avatar
  • 1,433
2 votes
1 answer
142 views

Is there a way to give the drawing red polygon a higher alpha channel

Is it possible to set the alpha channel a bit higher when drawing? I don't mean the alphachannel of a already finished polygon, that's possible for sure! I mean the red area. It's really stressful ...
kwoxer's user avatar
  • 967
3 votes
4 answers
1k views

Is there a way to disable right-click in QGIS when drawing

I would like to know if I can disable the rightclick in QGIS. The issue is that I draw polygons that are kind of big, let's say 4000 polygon points. And as you know rightclick brakes the drawing ...
kwoxer's user avatar
  • 967