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Questions tagged [map-drawing]

The process of rendering a georeferenced map using GIS software

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1answer
12 views

Copy/Paste Text box ends up way off screen

I'm trying to copy/paste some drawing text box elements in data view to preserve the formatting and for some reason it's pasting the element way out of my view area and way outside the scale of my ...
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1answer
20 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; ...
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2answers
91 views

Can I use 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 ...
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0answers
129 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 ...
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1answer
384 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 ...
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1answer
731 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 ...
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2answers
889 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 ...
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1answer
99 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": ...
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1answer
3k 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 ...
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1answer
402 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 ...
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2answers
1k 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 ...
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2answers
736 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 ...
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1answer
50 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 ...
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1answer
50 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 ...
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1answer
276 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 ...
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1answer
3k 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: [...
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1answer
751 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 ...
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1answer
256 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 ...
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0answers
52 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 ...
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1answer
126 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. ...
2
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1answer
78 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 ...
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2answers
2k 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)....
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2answers
10k 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 ...
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0answers
49 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 ...
2
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1answer
4k 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 ...
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0answers
263 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 ...
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1answer
79 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, ...
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1answer
2k 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 ...
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3answers
10k 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 ...
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1answer
375 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 ...
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1answer
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(...
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3answers
6k 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 ...
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1answer
128 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 ...
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3answers
434 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 ...
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1answer
779 views

.net arcobjects draw polygon(rectangle) can not start at the preferred location

I am using the sample code (draw a polygon on the screen) provided by Esri but it seems I cannot start the drawing from a location I want, every time it starts at wherever the function(or tool) ...
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0answers
229 views

graphics all change to same color when map zooms in or out

As the title states, I have a working "draw tool" where you can draw on the map using polygons, simple marker symbols, lines, and text. Whenever you draw any of these symbols on the map using ...
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1answer
112 views

OpenLayers drag control returns wrong XY

I am trying to use a Drag Control in a web GIS. My problem begins when I finish the 'move' of a point. That is, originally the point has an XY like -8.308567019533697 and 41.376871762432685, ...
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0answers
65 views

QGIS, drawing entity with a magnetized knot

I wanted to know if it was possible to draw with a magnetized knot, like Archi or Autocad ... !?
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2answers
2k views

drawing concentric circles in arcmap 10.1

I am using ArcMap 10.1 and I would like to know if there is a way to draw circles at a specific distance from a georeferenced coordinate. I have a property and I would like to know how far you can ...
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1answer
302 views

Snapping with polgon drawing

I am drawing a polygon with the drawing function within ArcGIS 10.1. Is there a way to snap orthographically at 90 degrees while using the polygon draw command. I added a picture of what i would ...
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1answer
459 views

Blank Shapefile output?

When executing the following command string in the active browser, Qgis projects the triangle polygon and associated attribute table correctly. Upon reopening the shapefile in a new browser, the ...
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1answer
234 views

Drawing text and line-dasharray

Is it possible with TileMills and CartoCSS?
6
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1answer
6k views

Is there a QGIS bezier curve tool?

I'm a recent convert to QGIS but have been confused about the lack of support for drawing curved shapefiles, especially when Arc has almost too many. A lot of the work that our consultancy do is based ...
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2answers
28k views

Drawing tools to add circles, arrows, lines for QGIS?

I'm pretty new in QGIS and i'm searching a drawing tool like it is possible to find in microsoft word or excel. I search something very user friendly (for dummies!) to add circles, arrows, lines... ...
5
votes
1answer
920 views

Generating a vector contour map of fictional terrain

Originally I had asked this on the Graphics Design SE but after some realization of the question I was asking, it's probably better to ask it here. I'm making a fantasy world map in illustrator that ...
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2answers
1k views

Best way to create/draw a map (especially indoor)

I'm currently developing an indoor map/room plan for an university project. I've already searched through stackexchange to figure it out but I couldn't find anything similar. So what I currently do ...
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0answers
83 views

alternative to mapClickEvent

I use gwt-openlayers lib in my GWT app. I have added a drawFeature control and now I want to show a radius of circle while I draw a feature. Now it looks like this: vectorLayer....
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1answer
689 views

Very basic drawing on a map

I have lat/lng, angle with North and a length of a polygone. I want to draw the polygone on a map. Like in this figure: And I want to adjust opacity of it in realtime. Which GIS or Map viewer I ...
3
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1answer
769 views

How to set drawing style for QgsRasterLayer in QGIS 2?

I am using PyQGIS. In QGIS1, I can use: rlayer.setDrawingStyle ( QgsRasterLayer.PalettedColor ) but In QGIS2, I got some errors. I follow pyqgis developer cookbook, put some demo scripts in ...
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2answers
594 views

How to draw a boundary feature of an area?

Which shape file is more appropriate for drawing a boundary of an area. I mean would I take polyline feature or polygon feature for drawing a boundary? I want to digitize a map of metropolitan area. ...