Questions tagged [scale]
The ratio between distances on a map and distances in the world
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0answers
42 views
Print Openlayers WMS map with fixed scaling
I need to print a map with a fixed scale (1:500 and 1:1000) on A4. The online map is done with Openlayers, the print request is sent to QGIS Server using WMS getPrint function.
I mange to get an ...
0
votes
1answer
32 views
QGIS Print composer using margin and scale
When using the Atlas feature in the print composer is there any way of using both the Margin around feature and a defined scale?
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0answers
15 views
AGOL: Overwrite existing tile service - Invalid min scale in the specified source item
I'm trying to automate updating a tile service where:
TPK is generated from a feature class in an .mxd (data frame is web mercator)
TPK is pushed up to AGOL
Tile Service is published
TPK is deleted ...
0
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0answers
25 views
QGIS 3.4 layout: fix extent and scale, let size adjust automatically
I'd like to create maps with a defined extent and scale. Logically, the map size has to adjust accordingly.
Since I will be using the maps as pdfs (and not on paper), this won't bother me.
Is this ...
0
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0answers
15 views
Creating more than one map page and breaking geometry representation based on max map scale in QGIS Atlas?
I am using atlas tool of QGIS. Map scales were defined for better fit in each geometry based on predefined values.
I would like to know if there is a way to create a new map page and 'break' the ...
0
votes
1answer
20 views
Earth Engine export scale interpretation
I'm exporting a Landsat RGB image from Earth Engine. I want to use the full native resolution (30-m pixels) in the output file. However, it seems that using 30 in the scale argument fails to export at ...
3
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0answers
45 views
Changing legend spacing to be further away from map border in QGIS?
I am using QGIS 3.2.3
I am creating a map in which I have added a legend to (see figure below).
My issue is that I am trying to create a legend which has spacing between the two columns. I have ...
0
votes
1answer
47 views
Scale issues with Google Roads XYZ tiles in QGIS layout
I am trying to include Google Roads as XYZ Tiles in QGIS in a map that I want to export as PDF as a Layout.
Google roads features and the text looks ok on QGIS and in the Layout, however, after I ...
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0answers
34 views
Which is the View.getResolution() units? [duplicate]
In OpenLayers v5, if I have a view defined like this:
var view = new View({
center: [952014.59, 5571269.68],
zoom: 8
});
, trying to get its resolution doing view.getResolution() outputs 611....
1
vote
1answer
28 views
Appropriate resolution for regression analysis
I'm using ArcMap 10.3. I'm a student working on a research problem where I'm taking Landsat imagery (at 30-meters resolution) and regressing it against other datasets captured at different scales (up ...
1
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0answers
97 views
How to get extent from current resolution in OpenLayers 3 for printing
I need to print a map with a fixed scale of 1:500 horizontally on a A4 paper (297x210mm). The map is done with Openlayers, the print request is sent to QGIS server using WMS getPrint function.
Till ...
3
votes
1answer
43 views
Can you make QGIS decorations scale dependent?
I have a QGIS project that includes a grid decoration. Is it possible to display this decoration only when zoomed in? I.e. can decorations in QGIS have scale dependent visibility?
2
votes
2answers
126 views
How to scale features declining using map units in QGIS
I have layer in QGIS that I want to style using SVG symbols.
I want the SVGs to increase in size when zooming in the map. I can solve this by using map units instead of millimeters.
Though, I don't ...
2
votes
0answers
38 views
WMS - understanding <Min> and <MaxScaleDenominator>
I am working on a personal web gis client and the first thing I am implementing is support for OGC WMS 1.3.0.
Right now, I am in the middle of greying out layers in my layer tree which are not ...
2
votes
0answers
37 views
Assessing impact of spatial scale on derivative calculations and associated kernel size?
Full question: What is the most appropriate way to assess the impact of spatial scale on derivative calculations associated with typical 3x3 moving window kernel operations?
This relates to a couple ...
0
votes
1answer
25 views
Custom Projection and Alignment of Large-Scale RGB Time Series Mosaics
We are running an experiment to observe time to germination and growth in potato plants in a greenhouse. To that end we have built a gantry system equipped with an RGB camera to capture the plants ...
1
vote
1answer
58 views
GeoServer - Conversion formula between scale and resolution
I am trying to figure out what is the conversion formula between scale and resolution used by GeoServer, specifically when creating a new gridset for Tile Caching. One would expect that the conversion ...
1
vote
1answer
101 views
Setting fixed scale of map in MapInfo layout?
How do I set the scale of a map in MapInfo v16 64bit in a simple way?
I can zoom in and out using my mouse but I cannot find how to set the scale to say 1:1000 or 1:2000.
1
vote
0answers
57 views
Scale raster cell in stack from -1 to 1 with R [closed]
I have a raster stack with 364 layers with a daily rate of change in NDVI values.
I want to scale these values in every cell if positive from 0 to 1 and if negative from -1 to 0. So far I have only ...
-1
votes
2answers
37 views
How to maintain current zoom level when panning to a new feature? [duplicate]
I want to speed up my work. How could I get ArcMap to stay at my current zoom level when panning to a new feature?
What I am currently doing is using Ctrl+Enter to move through my attribute table and ...
1
vote
1answer
209 views
Disappearing map image when georeferencing in ArcGIS 10.6 desktop
I am trying to add an un-georeferenced map into ArcMap as raster so that I can manually georeference it, then use it as a base to draw polygon features on top of it.
I can add in the image and ...
0
votes
1answer
88 views
Generate grid for specific scale in QGIS
I have a rather large map that I want to break down into smaller parts, or sheets. So I'm going to use the 'atlas' feature of QGIS Print Layouts. My layers in QGIS have a CRS of GDA94 (degrees), where ...
0
votes
1answer
57 views
Why does gdalinfo -hist give values outside of [0 - 65535]?
I am running gdalinfo -hist on a 3 band tif file and am getting the following output (see below). Notice it says 256 buckets from -78 to 40184. That's fine, but then when it shows the histogram, ...
1
vote
1answer
38 views
MapProxy WMS Print Scale Problem
The application that I work with consumes WMS services created in Geoserver via MapProxy. I used ysld to style my layers. As long as I want just display my layers in the application, the scales that I ...
1
vote
1answer
52 views
Scaling layer symbols from ArcMap to QGIS
I am recreating the symbology of a cartography moving from ArcMAP to QGIS substituting some font symbols in arcmap and reproducing them with new .svg symbols. The problem is that setting the size of ...
1
vote
1answer
100 views
Set zoom level to display full extent of specific layer when starting a project in QGIS
I have project in QGIS 3.2 with different shapefiles and WMS layer. When I start the projectfile (.qgs) I want the extent of the map to be the same as one specific WMS layer (same as the option "zoom ...
0
votes
0answers
21 views
Is there a way to add a coordinate scale to the sides of a Google Earth map?
I'm making a map using Google Earth and I want the sides of the map to have a ticker/scale that shows the coordinates at each tick. Is there a way to do this?
0
votes
0answers
30 views
OpenLayers 2: zoomToExtent with scale
I need to zoom map to show some selected features from layer. So I am creating a temporary layer with features and zoom to this temporary layer.
The problem - usually the scale is too small, so I ...
1
vote
0answers
72 views
How to get DPI to find current scale in OpenLayers?
Is there a way to automatically retrieve the DPI value of an OpenLayers page? The goal is to automatically retrieve the map scale from this code:
function mapScale (dpi) {
var unit = map....
0
votes
0answers
40 views
Can GDAL give the scale of a raster?
I have a GeoTIFF and I am trying to overlay a scale (miles or km) using GDAL.
Is there a function in GDAL that will do this?
I believe ArcPy has this functionality, but I am guessing GDAL does ...
1
vote
0answers
54 views
ol3 zoom with defined scale
I am trying to show map based on the gridset defined in geoserver, in such a manner that map zooms to that Scale only.
Scale is as follow : 1:1000, 1:500, 1:400, 1:300
view = new ol.View({
...
1
vote
0answers
52 views
Understanding scaling or projection with vector shapefiles which leads to 1:500,000,000,000? [closed]
I am conducting a habitat suitability analysis using ArcGIS desktop 10.2.2.
I have a vector .shp of a number of georeferenced hare sightings across Ireland, however when I load the layer on to my map,...
0
votes
0answers
58 views
Getting wrong scale on georeferenced TIFF in QGIS?
I just georeferenced a map of Iceland using the ISN93 coordinate system. It looks like it was successful since when I transform some random coordinates to WGS84 and compare them to Google Maps it does ...
1
vote
1answer
84 views
Printed map has different scales for raster and vector layers in QGIS?
I am trying to help a friend in another part of the country diagnose this problem. She has a background layer from google and has a vector layer overlaid on it. It looks fine in the composer but ...
0
votes
0answers
122 views
How zoom base on scale in ol?
I want to zoom to ol3 map base on scale(for example 1:50000). This means every 1cm in ol map must show 50000cm in real world. for converting scale to resolution I used as follows:
var ...
1
vote
0answers
80 views
Invert the legend scale representation [in R environment]
Through the following code,
cols <- (heat.colors(255))
plot(raster_sum3, col=cols[round(seq(1,255,length.out=10))], legend=TRUE) # raster of the study area
plot(site_3003, add=TRUE) # site ...
1
vote
1answer
138 views
Group scale-based visibility QGIS 3
Is it possible to set scale-based visibility for groups or sub-groups of layers in QGIS 3?
0
votes
0answers
25 views
The scale of Landsat 7 8-Day NDVI Composite
I have found Landsat 7 8-Day NDVI Composite dataset(LANDSAT/LE7_L1T_8DAY_NDVI) in Google Earth Engine,but I can't find the scale of it.So what is the scale of Landsat 7 8-Day NDVI Composite dataset?
2
votes
0answers
126 views
draw map scale in geopandas
Is there a geopandas version of basemap's m.drawmapscale function?
If not, can I somehow utilize basemap's drawmapscale function within geopandas?
0
votes
0answers
39 views
Polygon Object Label Visibility on GeoServer
There are too many polygon objects in this layer. I want to filter out these objects. At the same time, I used point symbols instead of polygons at different scales. But the labels only appear in the ...
0
votes
1answer
40 views
Geoserver WMS limiting map visibility by scale
In ArcGIS I can manually limit visibility of a map layer by specifying a min and max scale (see below).
Is it possible to instead set this server-side on Geoserver? I've seen something similar in ...
0
votes
0answers
97 views
Import Illustrator/Inkscape svg into qgis
I tried to import lines from svg into qgis 3.x by using dxf format. The problem is that the scale of dxf is of course not the right one (a few centimeters whereas my map is kilometers long).
I tried ...
1
vote
1answer
94 views
Setting up Print Composer to Output Paper Map at Right Scale in QGIS?
How does one set up print composer to output a real world map paper map that is scaled properly so that a manual (real world) scale rule that one places on a paper map is scaled properly in a scale ...
1
vote
1answer
43 views
Editing OpenLayers viewer in GeoServer?
I would like to custumize the openlayer3 viewer integrated in the Geoserver (2.13) to have more zoom levels (by default there are 28 zoom levels with a zoom factor of 2). In other words, I would like ...
1
vote
0answers
92 views
OpenLayers, WMS MinScaleDenominator and MaxScaleDenominator
In my OpenLayers map application I display many WMS layers from different sources. Some of them have display scale restrictions set by MinScaleDenominator and MaxScaleDenominator tags in WMS ...
2
votes
1answer
147 views
Colour Scale Bar for One-Band Rasters Error
I have a vector layer of a map with a number of regions. I have coloured those regions using a gradient blue colour. I would like to create a colour scale bar for this map. I downloaded the Colour ...
0
votes
1answer
210 views
Interpreting scale in Google Earth Engine (using Hansen data)?
I previously posted about this same problem as Iterating over years for features in feature collection using Google Earth Engine?
I realized recently that the results that I was getting based on the ...
0
votes
1answer
28 views
Display symbology categories at certain scales with ArcGis Pro
We can since a long time display layers at certain scales but
is it possible to display a specific symbology categories at certain scales ?
For example if I have the following feature layer:
Can I ...
4
votes
0answers
52 views
ArcObjects modify Map Scale
I'm trying to modify the scale of the map so I can further export to pdf.
The mxd document has a fixed map scale option set. The initial value is 250 and final is still 250 unchanged. The code looks ...
3
votes
2answers
48 views
Atlas Scale Focus off
I tried to manually set different scales for different features in atlas generation (QGIS 2.18.16). Thus, I had to switch off map - "controlled via atlas".
The resulting scales were fine, however ...
