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About DonK

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    Advanced Member

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  • Location
    Arlington, Massachusetts
  • Interests
    Historic Road Research

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  1. I understand what you're saying and I agree with your agreement with the OSM policy. Frankly I was surprised when I first realized that I could relatively easily modify the OSM maps. I can well imagine official entities like state and local governments not wanting to take responsibility for trails drawn on their maps. Even if the trail maps were originally accurate, conditions change over time. I could see some hikers running into trouble and blaming the governmental entity that produced the map.
  2. Thanks, Dan. The gpx file I'm working with was produced by the Town of Arlington, MA and shows trails in one of the Town's parks. I was asked (not by the Town) to upload this file to OSM to correct the trail map which is currently there which contains several errors. Perhaps I can check with the Town.
  3. I'm trying to upload a .gpx file of track segments to Open Street Map. I'm getting the error: Found no good GPX points in the input data. At least 75% of the trackpoints lacked a <time> tag. Looking at the file text I see the <time> </time> tag is empty. Is there a quick way to use EGPS to fill in the time tag with a set of "dummy" values that OSM will find acceptable?
  4. That USGS site is the site I was referring to. If I download the tif version, there are four files per map - geo.tfw, geo.tif, geo.tif.prj and geo.tif.xml. Where do I save them in EGPS in order to access them with the Automatically Add USGS Topo Map command?
  5. These are historic USGS 7.5 minute topo maps from the U. of New Hampshire . Some indicate they are polyconic projections. Each paper map has been scanned in four, 1700px x 2800px sections, and each section saved as a jpeg file. So they align perfectly when placed side-by-side. If I use more than one, four section map, then I remove the collars. These maps also are available for download from the USGS in several formats, including geotif and they are a single file containing the whole map, not four sections in four files. The collars would have to be removed and if more than one map needed to be used, they would have to be merged somehow. I'm not aware that EGPS can load more than one scanned map file at a time.
  6. I regularly need to merge several map tiles where each tile is a separate jpeg file. I then import them into EGPS as a single, scanned jpeg file. I have been using Photoshop to open the individual files and align and merge the map tiles into a single file. Does anyone have different, perhaps simpler way of doing this merging?
  7. I'm projecting a series of waypoints. The Map Marker is set to GPS Symbol. For the Waypoint Symbol, I choose the blue pushpin and in the Type dropdown list, I write "Waypoint-Blue". I set the text size and position. I lay down the first waypoint which a blue pushpin with the correct text properties. I write-click on the first waypoint and select "Project Waypoint and enter the the bearing and distance information and click OK. When "Edit Waypoint" form opens, the text properties remain the same as I selected for the first waypoint, however, the Type textbox is blank, the Waypoint Symbol has changed to the red pushpin, not the blue pushpin selected for the previous waypoint. Is there a way to have the waypoint type remain the same when laying out a series of waypoints?
  8. I tend to agree with this. A group of waypoints are generally moving more or less in the same direction, so the positioning of the label and the size of the text would be the same. When a new waypoint type is created, perhaps the waypoint label text size and position could be saved along with the waypoint symbol. If the direction of the line of waypoints changes then, a different saved waypoint type with the appropriate text positioning could be used, This would also allow a group of waypoints to be selected and their label properties changed in one operation.
  9. I have found the set up of object properties in the past somewhat confusing, so I'm happy to see your efforts to improve this area and will be glad to give some feedback. I have a couple of questions. If I select a track style type from the dropdown list in the Edit Track window, it looks like I can only override the color of the track. Why not allow all of the track style properties to be modified for a newly-drawn track or a selected existing track? If I select a word in a word processor, I can modify not only the color, but the font style, size, type, color, etc. Why can't the color (and, ideally, as I mentioned above,all of the properties) of Routes be overridden?
  10. Thanks, Dan, that works well. I even have the option of using rods as my measurement unit. I am plotting from a ca. 1805 survey of the Union Turnpike which ran just north of you from Concord to Leominster. I also add in the change in magnetic declination from 200 years ago. I'm not sure whether the EGPS default magnetic declination can be changed. When I was looking at the cursor distance and bearing readout in the lower right-hand corner of the screen, I noticed what appears to be a clipping of part of the readout. I've included a screenshot. Is that a part of the bearing information?
  11. I have a historic series of survey bearing points in the format: rods (distance), S. 55° E. (bearing). Is there a way to use ExpertGPS to convert these points to track points given the start coordinate? In the past, I have constructed a spreadsheet to do the conversion, but I'm looking for a simpler way which will also plot the resulting points on a map. I have found a ten year old discussion on this topic of the forum, but nothing else. Thanks, Don
  12. F2 simply de-selects all the selected columns. However, Shift+F2 does work. It goes into the Quick Edit mode. Thanks, Don
  13. I have a series of tracks which are all in the same geographic area. For example, all of the tracks are in the "State Forest". I would like the "Description" column of each of these several dozen tracks to have the identical description, "State Forest". Is there a way to add this same description to each of the tracks in one operation rather than having to select each track, one by one, and edit its description? Don
  14. When a map image is calibrated using ExpertGPS, for example a .tif image, where is the georeferencing data saved? Is it embedded in the image file? It doesn't appear to be saved as a World File such as a .tfw. Is it possible to look at this georeferencing data with EGPS? Thanks, Don
  15. I automatically get an email notification each time a new topic is posted on this forum. So as long as you plan to post new features here, that should be adequate. Don