The ratio between distances on a map and distances in the world

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0
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1answer
31 views

Setting a scale range for labels in KML files

Is there a way for labels to be displayed in KML only when zoomed in (or out) beyond a certain scale range, just as it is possible in ArcGIS? If exporting to KML from ArcGIS, I guess the first step is ...
5
votes
0answers
273 views

Scale in printed map (mxd) is different in code to manual printing

This question is related in part to a previous question I have asked. I have tried printing an A3 mxd with the Print Active View code as published by ESRI and have changed only one line of code and ...
3
votes
0answers
145 views

How to use Scale tool when Georeferencing Raster in ArcMap?

I'm georeferencing a bunch of maps in ArcMap 10.0. The Shift and Rotate commands are pretty easy to use, no problems there. But whenever I use the Scale command, the image completely changes ...
2
votes
0answers
43 views

Set a user scale to use QGIS for surfaces documentation

I would like to use QGIS for the documentation of mural paintings (so I don't need georeferecing) I would like to set my own scale from a raster file (measure a know distance and use it as reference). ...
2
votes
0answers
330 views

How to calculate the scale of map tiles accurately?

In web maps, there are two coordinate: wgs84 geographic coordinate and web mercator project coordinate. The displayed scale of a world map is the value at equator, and one 256*256 pic can contain the ...
2
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0answers
1k views

How to zoom exactly to a desired scale in Flex?

I am using ArcGIS API for flex 2.4 with ArcGIS server 10. I am trying to write the widget where user can define the map scale (type it in text box) and it will zoom to that scale. I successfully ...
1
vote
0answers
25 views

What are the standards to implement scale bar?

I am working on .osm data files, and now i want to implement scale bar for available data. logically i have created the scale pixel is to geo location. I want to know whether there is any standard to ...
1
vote
0answers
124 views

ScaleLine shows NaN for LCC projection

I have used openlayers along with geoserver. My Map is having LCC projection by default, but SRS is EPSG:4042. The problem is that the scaleline shows NaN in meter as well as feet. How can I correct ...
1
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0answers
188 views

A WMS layer fails to show at some scales

I am tring to overlay my WMS layer on Google but at a particular scale it doesn't show the data of my layer. What can be the problem? <html xmlns="http://www.w3.org/1999/xhtml"> <head ...
0
votes
0answers
9 views

Fixed Scale / Fixed Zoom in eCognition

im wondering if there is any option in eCognition Developer / Architect were I can control Zoom or Scale Factors. Its neccessary for my work that i use the same scale for all processing steps. Maybe ...
0
votes
0answers
25 views

Dynamically scaling PointSymbolizer with external svg without using scaledenominator filter in sld

In this example taken from Graphic Symbology - External Graphics, <PointSymbolizer> <Graphic> <ExternalGraphic> <OnlineResource xlink:type="simple" ...
0
votes
0answers
48 views

Can you insert a marker symbol at a specific scale?

I have a map that is consistently used at a 1:500 scale. I want to be able to add structures to the map to view and move them around to get the best fit. The end user is new to GIS and I am trying to ...
0
votes
0answers
36 views

What Crop tools are available in QGIS to alter a raster .SHP layer

I'm successful in getting heat maps which resolve around my data; however the area of the Heat map raster layer is perhaps 50-100 times the point set perimeter and the cell size is way too large for ...
0
votes
0answers
33 views

How do I set the print scale for individual map pages in qgis?

I have a large map that has 118 grid squares and I've made each of these grid squares into a page for a map. When I generate an atlas using these pages, I need to be able to set the scale for some of ...