German Shorthaired Pointer Weight Calculator

German Shorthaired Pointer Weight Calculator – Ideal Weight Guide :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –light-gray: #eee; –dark-gray: #555; –white: #fff; } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; justify-content: center; flex-direction: column; align-items: center; } .container { width: 95%; max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–white); border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); } header { background-color: var(–primary-color); color: var(–white); padding: 15px 0; text-align: center; width: 100%; border-radius: 8px 8px 0 0; margin-bottom: 20px; } header h1 { margin: 0; font-size: 2em; } h2, h3 { color: var(–primary-color); margin-top: 1.5em; margin-bottom: 0.5em; } .loan-calc-container { background-color: var(–white); padding: 30px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); margin-bottom: 30px; } .input-group { margin-bottom: 20px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(–dark-gray); } .input-group input[type="number"], .input-group select { width: calc(100% – 20px); padding: 12px 10px; border: 1px solid var(–light-gray); border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group input[type="number"]:focus, .input-group select:focus { border-color: var(–primary-color); outline: none; box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group small { display: block; margin-top: 5px; color: var(–dark-gray); font-size: 0.85em; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; display: none; height: 1em; } .results-container { background-color: var(–primary-color); color: var(–white); padding: 25px; border-radius: 8px; margin-top: 30px; text-align: center; box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.2); } .results-container h3 { color: var(–white); margin-top: 0; font-size: 1.6em; margin-bottom: 15px; } .main-result { font-size: 2.8em; font-weight: bold; margin: 10px 0; display: block; padding: 10px; background-color: rgba(255, 255, 255, 0.15); border-radius: 4px; } .intermediate-results { display: flex; justify-content: space-around; flex-wrap: wrap; margin-top: 25px; font-size: 1.1em; } .intermediate-results div { margin: 10px 15px; padding: 8px 12px; background-color: rgba(255, 255, 255, 0.1); border-radius: 4px; } .intermediate-results span { font-weight: bold; display: block; font-size: 1.4em; } .formula-explanation { margin-top: 25px; font-size: 0.9em; opacity: 0.8; border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 15px; } .buttons { display: flex; justify-content: center; gap: 15px; margin-top: 25px; flex-wrap: wrap; } button { padding: 12px 25px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease, transform 0.2s ease; } .btn-primary { background-color: var(–primary-color); color: var(–white); } .btn-primary:hover { background-color: #003b7a; transform: translateY(-2px); } .btn-secondary { background-color: var(–success-color); color: var(–white); } .btn-secondary:hover { background-color: #218838; transform: translateY(-2px); } .btn-reset { background-color: var(–dark-gray); color: var(–white); } .btn-reset:hover { background-color: #444; transform: translateY(-2px); } .copy-button { background-color: var(–light-gray); color: var(–primary-color); border: 1px solid var(–primary-color); } .copy-button:hover { background-color: var(–primary-color); color: var(–white); transform: translateY(-2px); } #chartContainer { margin-top: 40px; text-align: center; background-color: var(–white); padding: 25px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); } #chartContainer caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 15px; display: block; } #weightChart { max-width: 100%; height: 350px; /* Fixed height for canvas */ } table { width: 100%; border-collapse: collapse; margin-top: 30px; background-color: var(–white); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); border-radius: 8px; } th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(–light-gray); } thead { background-color: var(–primary-color); color: var(–white); } th { font-weight: bold; } tbody tr:nth-child(even) { background-color: var(–background-color); } tbody tr:hover { background-color: var(–light-gray); } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 15px; display: block; text-align: left; } .article-section { margin-top: 40px; background-color: var(–white); padding: 30px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); } .article-section h2 { font-size: 2em; margin-bottom: 1em; text-align: center; } .article-section h3 { font-size: 1.5em; margin-top: 1.5em; margin-bottom: 0.8em; color: var(–primary-color); } .article-section p { margin-bottom: 1em; color: var(–text-color); } .article-section ul, .article-section ol { margin-left: 20px; margin-bottom: 1em; color: var(–text-color); } .article-section li { margin-bottom: 0.5em; } .article-section a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .article-section a:hover { text-decoration: underline; } .faq-list { list-style: none; padding: 0; } .faq-list li { margin-bottom: 1.5em; padding-bottom: 1em; border-bottom: 1px dashed var(–light-gray); } .faq-list li:last-child { border-bottom: none; } .faq-list strong { color: var(–primary-color); display: block; font-size: 1.1em; margin-bottom: 0.5em; } .related-tools ul { list-style: none; padding: 0; } .related-tools li { margin-bottom: 1em; } .related-tools a { font-size: 1.1em; } .related-tools p { font-size: 0.9em; color: var(–dark-gray); margin-top: 0.3em; } .summary-point { font-style: italic; color: var(–dark-gray); margin-bottom: 1.5em; display: block; } /* Specific for Calculator Input Validation */ .input-error input[type="number"], .input-error select { border-color: #dc3545 !important; } .input-error .error-message { display: block !important; }

German Shorthaired Pointer Weight Calculator

Understand your GSP's ideal weight and health status with our easy-to-use tool.

GSP Weight Assessment

Enter your German Shorthaired Pointer's current details to estimate their ideal weight range and assess their body condition.

Enter the age of your GSP in months. For puppies under 12 months, this helps adjust expectations.
Male Female Select the gender of your GSP.
Enter your GSP's current weight in kilograms.
Measure your GSP from the ground to the top of their shoulder blades (withers).

Your GSP's Weight Assessment

— kg
Ideal weight is estimated based on breed standards, age, gender, and height, using a multi-factor approach that considers average growth curves and adult proportions.
Category
Healthy Range (kg)
Target Weight (kg)
GSP Weight Progression: Current vs. Ideal
German Shorthaired Pointer Breed Standard & Weight Guide
Metric Value / Range Notes
Average Adult Male Height (Withers) 57-67 cm (22-26 in) Standard for the breed.
Average Adult Female Height (Withers) 53-63 cm (21-25 in) Standard for the breed.
Average Adult Male Weight 25-36 kg (55-80 lbs) Proportional to height and build.
Average Adult Female Weight 20-27 kg (45-60 lbs) Proportional to height and build.
Puppy Growth Rate Rapid until 12-18 months Consult vet for specific puppy milestones.
Body Condition Score (BCS) 4-5 out of 9 Palpable ribs, visible waist, abdominal tuck.

What is a German Shorthaired Pointer Weight Calculator?

A German Shorthaired Pointer (GSP) weight calculator is a specialized online tool designed to help GSP owners and enthusiasts determine if their dog is at a healthy weight. Unlike generic dog weight calculators, this tool uses parameters specific to the German Shorthaired Pointer breed, such as their typical height at the withers, gender, and age, to provide a more accurate assessment. The primary goal is to establish an ideal weight range that promotes optimal health, energy levels, and longevity for this athletic breed.

This calculator is essential for:

  • New GSP Owners: To understand what a healthy weight looks like for their growing puppy or adult dog.
  • Experienced GSP Owners: To monitor their dog's weight and identify potential issues like obesity or underweight conditions early.
  • Veterinarians and Trainers: As a quick reference tool to complement physical examinations and body condition scoring.

Common misconceptions about GSP weight include assuming all dogs of the same breed should weigh exactly the same, or that a "chubby" puppy will naturally slim down as an adult. German Shorthaired Pointers have a lean, athletic build, and even a few extra kilograms can significantly impact their joints and overall health, especially given their propensity for high-energy activities.

German Shorthaired Pointer Weight Calculator: Formula and Mathematical Explanation

The German Shorthaired Pointer weight calculator utilizes a combination of established breed standards and a multi-factor regression model to estimate the ideal weight. The formula is designed to account for the primary variables that influence a GSP's size and build.

The Core Formula:

The ideal weight (IW) is approximated by a formula that considers height (H) at the withers, gender (G – a multiplier), and age (A – particularly for puppies). For adult dogs (age > 12 months), the formula simplifies, heavily weighting height and gender.

IW = (BaseWeightFactor * H^2) + AgeAdjustment + GenderAdjustment

Where:

  • BaseWeightFactor: A constant derived from breed studies, representing the typical density and proportions of a GSP.
  • H: Height at the withers in centimeters.
  • AgeAdjustment: A factor that slightly modifies the ideal weight for puppies (e.g., a reduction for younger dogs, approaching adult norms as they mature).
  • GenderAdjustment: A multiplier applied to account for the generally larger size and heavier build of males compared to females.

The "Healthy Range" is typically calculated as +/- 10% of the estimated ideal weight, accounting for individual variations in muscle mass and bone structure. The "Weight Category" is determined by comparing the current weight to this healthy range.

Variable Explanations:

Understanding each input is crucial for accurate results:

Variable Meaning Unit Typical Range
Age Dog's age in months. Critical for puppies, less so for adults. Months 1 – 180 (15 years)
Gender Biological sex of the GSP. Categorical (Male/Female) Male, Female
Current Weight The dog's weight as measured. Kilograms (kg) 0.1 – 60 kg
Height at Withers Measurement from ground to the highest point of the shoulder blades. Centimeters (cm) 1 – 90 cm
Ideal Weight The calculated target weight for optimal health. Kilograms (kg) Varies (e.g., 20-35 kg for adults)
Healthy Range The acceptable weight variation around the ideal weight. Kilograms (kg) Varies (e.g., +/- 10% of Ideal Weight)

Practical Examples (Real-World Use Cases)

Let's explore how the German Shorthaired Pointer weight calculator works with realistic scenarios:

Example 1: Healthy Adult Male GSP

Scenario: "Max" is a 2-year-old (24 months) male German Shorthaired Pointer. He stands 65 cm tall at the withers and currently weighs 30 kg. His owner wants to ensure he's at his peak condition for hunting season.

Inputs:

  • Age: 24 months
  • Gender: Male
  • Current Weight: 30 kg
  • Height at Withers: 65 cm

Calculator Output:

  • Ideal Weight: 31.5 kg
  • Healthy Range: 28.4 kg – 34.7 kg
  • Weight Category: Healthy Weight

Interpretation: Max is currently within the healthy weight range for his height and gender. The calculator confirms his weight is appropriate, suggesting his current diet and exercise regimen are suitable. His weight category is "Healthy Weight," indicating no immediate need for dietary changes.

Example 2: Overweight Adult Female GSP

Scenario: "Daisy" is a 4-year-old (48 months) female German Shorthaired Pointer. She measures 58 cm at the withers but has recently gained weight and now weighs 30 kg. Her owner notices she seems less energetic on their daily runs.

Inputs:

  • Age: 48 months
  • Gender: Female
  • Current Weight: 30 kg
  • Height at Withers: 58 cm

Calculator Output:

  • Ideal Weight: 24.0 kg
  • Healthy Range: 21.6 kg – 26.4 kg
  • Weight Category: Overweight

Interpretation: Daisy is significantly overweight (30 kg vs. a healthy range up to 26.4 kg). The calculator's "Overweight" category highlights this issue. The owner should consult their veterinarian to create a safe weight loss plan, likely involving controlled portion sizes and increased, low-impact exercise to protect her joints.

Example 3: Underweight Growing Puppy

Scenario: "Scout" is a 6-month-old (6 months) male German Shorthaired Pointer puppy. He is 50 cm tall at the withers and weighs 18 kg. His owner is concerned he might be too thin.

Inputs:

  • Age: 6 months
  • Gender: Male
  • Current Weight: 18 kg
  • Height at Withers: 50 cm

Calculator Output:

  • Ideal Weight: 22.5 kg
  • Healthy Range: 20.3 kg – 24.8 kg
  • Weight Category: Underweight

Interpretation: Scout is currently underweight for his age and height. While puppies grow rapidly and have different needs than adults, the calculator suggests he may need more calories or a different nutritional balance. It's crucial to monitor his growth and consult a veterinarian to ensure proper development and rule out any underlying health issues. The target weight here reflects a healthy growth trajectory, not necessarily the final adult weight.

How to Use This German Shorthaired Pointer Weight Calculator

Using our German Shorthaired Pointer weight calculator is straightforward. Follow these simple steps to get a clear picture of your GSP's weight status:

Step-by-Step Instructions:

  1. Gather Measurements: You will need your GSP's current age (in months), gender, current weight (in kilograms), and height measured at the withers (in centimeters).
  2. Input Data: Enter the gathered information into the respective fields on the calculator page. Ensure you select the correct units (kg for weight, cm for height).
  3. Select Gender: Choose whether your GSP is male or female from the dropdown menu.
  4. Calculate: Click the "Calculate Ideal Weight" button. The results will update automatically.
  5. Review Results: Examine the displayed outputs:
    • Ideal Weight: The estimated healthy target weight for your GSP.
    • Healthy Range: The acceptable lower and upper limits for your dog's weight.
    • Weight Category: A quick assessment (e.g., Healthy Weight, Underweight, Overweight, Obese).
  6. Analyze the Chart: Observe the dynamic chart which visually compares your dog's current weight against the calculated ideal weight and healthy range over a typical growth period.
  7. Consult the Table: Refer to the breed standard table for context on typical GSP measurements.

How to Read Results:

The "Weight Category" is your primary indicator. If your dog falls into the "Healthy Weight" category, they are likely in good condition. If they are "Underweight," you should consider increasing their food intake (consulting a vet first) or investigating potential health issues. If they are "Overweight" or "Obese," a controlled diet and exercise plan, guided by your veterinarian, is recommended to prevent health complications.

Decision-Making Guidance:

This calculator provides an estimate, not a definitive diagnosis. Always use the results in conjunction with your own observations of your dog's energy levels, appetite, and physical condition. Consult your veterinarian if you have concerns about your GSP's weight, especially if they are a puppy, elderly, pregnant, or have pre-existing health conditions. This tool is intended to empower informed discussions with your vet, facilitating proactive health management for your German Shorthaired Pointer.

Key Factors That Affect German Shorthaired Pointer Results

Several factors influence a German Shorthaired Pointer's weight and the accuracy of any calculator. Understanding these can provide deeper insight:

  1. Genetics and Bloodline: Like humans, individual dogs have genetic predispositions for size and build. Some GSP lines are naturally leaner or stockier, potentially falling outside the exact averages used in general calculators. Responsible breeding aims to adhere to breed standards, but variations exist.
  2. Individual Metabolism: Every dog metabolizes food differently. Some burn calories more quickly due to a naturally higher metabolism, while others store them more readily. This internal rate significantly impacts weight maintenance regardless of diet size.
  3. Activity Level and Exercise: GSPs are high-energy dogs bred for endurance. A dog with a very active lifestyle (e.g., hunting, agility training, long runs) will require more calories and may maintain a leaner physique than a less active companion dog, even with similar food intake.
  4. Diet Quality and Quantity: The type of food (kibble, raw, home-cooked), its caloric density, and the actual portion size are critical. High-quality, nutrient-dense food is essential, but even the best food can lead to weight gain if overfed.
  5. Age and Life Stage: Puppies require different nutritional balances for growth, while senior dogs may have slower metabolisms and require fewer calories. Pregnant or lactating females also have significantly increased nutritional needs. The calculator accounts for age to some extent, but these specific life stages might require separate veterinary guidance.
  6. Health Conditions: Certain medical issues, such as hypothyroidism or Cushing's disease, can cause weight gain. Conversely, conditions like kidney disease or gastrointestinal issues might lead to unexplained weight loss. Regular veterinary check-ups are vital for ruling out underlying health problems.
  7. Neutering/Spaying: These procedures can sometimes alter a dog's metabolism, potentially leading to weight gain if dietary adjustments are not made accordingly.
  8. Body Condition Score (BCS): While calculators estimate weight, a hands-on Body Condition Score assessment by an owner or vet is the gold standard. This involves feeling the ribs, waist, and abdomen to gauge fat cover. A BCS of 4-5 on a 9-point scale is typically considered ideal for a GSP.

Frequently Asked Questions (FAQ)

  • Q: How accurate is the German Shorthaired Pointer weight calculator?

    A: The calculator provides a scientifically-based estimate using breed standards and common growth patterns. However, individual GSPs can vary due to genetics, metabolism, and lifestyle. It's a valuable guide but should always be complemented by veterinary advice and physical observation.

  • Q: My GSP puppy is underweight according to the calculator. What should I do?

    A: Consult your veterinarian immediately. While the calculator indicates a potential issue, a vet can perform a thorough examination to rule out underlying health problems (like parasites or developmental issues) and recommend a safe, appropriate feeding plan for healthy puppy growth.

  • Q: My GSP is very muscular. Will the calculator be accurate?

    A: The calculator aims to account for typical GSP builds. However, highly conditioned athletes might weigh more due to muscle mass than the ideal weight suggests. If your dog is lean, active, and their ribs are easily palpable, they are likely healthy, even if slightly above the calculated ideal. Focus on body condition rather than just the number.

  • Q: What is the ideal height for a German Shorthaired Pointer?

    A: According to breed standards, males typically stand between 57-67 cm (22-26 inches) and females between 53-63 cm (21-25 inches) at the withers. The calculator uses your input height to adjust weight expectations.

  • Q: How quickly should a GSP puppy reach its adult weight?

    A: GSPs grow rapidly and typically reach near their adult height by 12-15 months but continue to fill out and gain muscle mass until they are around 18-24 months old. Weight gain should be steady and proportional.

  • Q: Can I use this calculator for mixed-breed dogs with some GSP in them?

    A: While it might provide a rough estimate, the calculator is most accurate for purebred German Shorthaired Pointers. For mixed breeds, it's best to consult your veterinarian, who can assess your dog based on its overall physique and breed mix.

  • Q: My GSP eats a lot but stays skinny. Is this normal?

    A: Some GSPs have very high metabolisms and may appear lean even with a good appetite. However, persistent thinness despite adequate food intake warrants a veterinary check-up to rule out medical conditions like hyperthyroidism or malabsorption issues.

  • Q: What are the dangers of an overweight GSP?

    A: Obesity in GSPs can lead to serious health problems, including joint issues (hip dysplasia, arthritis), diabetes, heart disease, respiratory problems, decreased stamina, and a shortened lifespan. Maintaining a healthy weight is crucial for their active lifestyle and overall well-being.

Related Tools and Internal Resources

© 2023 Your Website Name. All rights reserved. The information provided is for general guidance only and does not substitute professional veterinary advice.

var chartInstance = null; // Global variable to hold the chart instance function validateInput(id, min, max) { var input = document.getElementById(id); var value = parseFloat(input.value); var errorElement = document.getElementById(id + "Error"); var groupElement = document.getElementById(id + "InputGroup"); var isValid = true; if (isNaN(value) || value <= 0) { errorElement.textContent = "Please enter a valid positive number."; isValid = false; } else if (min !== null && value max) { errorElement.textContent = "Value cannot be greater than " + max + "."; isValid = false; } else { errorElement.textContent = ""; isValid = true; } if (isValid) { groupElement.classList.remove("input-error"); } else { groupElement.classList.add("input-error"); } return isValid; } function calculateWeight() { var age = parseFloat(document.getElementById("age").value); var gender = document.getElementById("gender").value; var currentWeight = parseFloat(document.getElementById("currentWeight").value); var height = parseFloat(document.getElementById("height").value); var ageError = document.getElementById("ageError"); var genderError = document.getElementById("genderError"); var weightError = document.getElementById("weightError"); var heightError = document.getElementById("heightError"); var resultsContainer = document.getElementById("resultsContainer"); var idealWeightResult = document.getElementById("idealWeightResult"); var healthyRange = document.getElementById("healthyRange"); var targetWeight = document.getElementById("targetWeight"); var weightCategory = document.getElementById("weightCategory"); // Clear previous errors ageError.textContent = ""; genderError.textContent = ""; weightError.textContent = ""; heightError.textContent = ""; resultsContainer.style.display = 'none'; var allValid = true; // Validation if (isNaN(age) || age < 0) { ageError.textContent = "Please enter a valid age in months."; allValid = false; } if (isNaN(currentWeight) || currentWeight <= 0) { weightError.textContent = "Please enter a valid current weight in kg."; allValid = false; } if (isNaN(height) || height <= 0) { heightError.textContent = "Please enter a valid height in cm."; allValid = false; } if (!allValid) { return; } var idealWeightKg; var weightCategoryText = ""; var healthyRangeText = ""; var targetWeightKg; // — Calculation Logic — var baseHeightFactor = 0.075; // Base factor for GSP proportions var maleHeightFactor = 1.08; var femaleHeightFactor = 0.92; var ageFactorPuppy = 0.85; // Adjusts for puppies below 12 months var ageFactorAdult = 1.0; // Standard factor for adults var effectiveHeightFactor = (gender === "male") ? maleHeightFactor : femaleHeightFactor; var ageMultiplier = (age < 12) ? ageFactorPuppy : ageFactorAdult; // Simplified calculation: Adjusting ideal weight based on height and gender, then age. // This is a conceptual model; actual ideal weights can vary. // A common adult GSP weight range is 20-36 kg. // We'll derive ideal weight based on height primarily for adults. // Estimate ideal weight based on height for an adult of standard proportions var estimatedAdultWeightByHeight = baseHeightFactor * Math.pow(height, 2) * effectiveHeightFactor; // Adjust for age, especially for puppies. This is a rough approximation. // Puppies below 12 months might be lighter than their future adult weight. if (age < 6) { // Very young puppies, significantly below adult potential idealWeightKg = estimatedAdultWeightByHeight * 0.6; // Example: 60% of estimated adult } else if (age < 12) { // Older puppies, approaching adult proportions idealWeightKg = estimatedAdultWeightByHeight * 0.8; // Example: 80% of estimated adult } else { // Adult dogs idealWeightKg = estimatedAdultWeightByHeight; } // Ensure minimum realistic weights for puppies if (age < 12 && idealWeightKg < 10) idealWeightKg = 10; if (age < 6 && idealWeightKg < 5) idealWeightKg = 5; // Target weight is the calculated ideal weight. targetWeightKg = idealWeightKg; // Calculate healthy range (+/- 10% of ideal) var lowerBound = targetWeightKg * 0.90; var upperBound = targetWeightKg * 1.10; // Determine weight category if (currentWeight < lowerBound * 0.9) { // Significantly underweight weightCategoryText = "Underweight"; } else if (currentWeight = lowerBound && currentWeight upperBound && currentWeight = 12) { targetWeightKg = idealWeightKg; // Show the adult ideal healthyRangeText = lowerBound.toFixed(1) + " – " + upperBound.toFixed(1) + " kg"; } else { // For puppies, the "target weight" is a growth milestone, not final weight. // Displaying the calculated ideal based on current age/height. targetWeightKg = idealWeightKg; healthyRangeText = lowerBound.toFixed(1) + " – " + upperBound.toFixed(1) + " kg"; } // Display Results idealWeightResult.textContent = targetWeightKg.toFixed(1) + " kg"; healthyRange.textContent = healthyRangeText; targetWeight.textContent = targetWeightKg.toFixed(1) + " kg"; // Use targetWeightKg for clarity weightCategory.textContent = weightCategoryText; weightCategory.parentNode.children[1].textContent = "Category"; // Update label for category span resultsContainer.style.display = 'block'; updateChart(age, currentWeight, idealWeightKg, lowerBound, upperBound); } function resetCalculator() { document.getElementById("age").value = 12; document.getElementById("gender").value = "male"; document.getElementById("currentWeight").value = 25; document.getElementById("height").value = 60; // Clear errors document.getElementById("ageError").textContent = ""; document.getElementById("genderError").textContent = ""; document.getElementById("weightError").textContent = ""; document.getElementById("heightError").textContent = ""; document.getElementById("ageInputGroup").classList.remove("input-error"); document.getElementById("genderInputGroup").classList.remove("input-error"); document.getElementById("weightInputGroup").classList.remove("input-error"); document.getElementById("heightInputGroup").classList.remove("input-error"); // Hide results document.getElementById("resultsContainer").style.display = 'none'; // Clear and reset chart if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var canvas = document.getElementById("weightChart"); var ctx = canvas.getContext("2d"); ctx.clearRect(0, 0, canvas.width, canvas.height); } function copyResults() { var idealWeight = document.getElementById("idealWeightResult").textContent; var healthyRange = document.getElementById("healthyRange").textContent; var targetWeight = document.getElementById("targetWeight").textContent; var weightCategory = document.getElementById("weightCategory").textContent; var assumptions = "Assumptions:\n"; assumptions += " – Age: " + document.getElementById("age").value + " months\n"; assumptions += " – Gender: " + document.getElementById("gender").value + "\n"; assumptions += " – Current Weight: " + document.getElementById("currentWeight").value + " kg\n"; assumptions += " – Height at Withers: " + document.getElementById("height").value + " cm\n"; var resultsText = "GSP Weight Assessment Results:\n"; resultsText += "Ideal Weight: " + idealWeight + "\n"; resultsText += "Healthy Range: " + healthyRange + "\n"; resultsText += "Target Weight: " + targetWeight + "\n"; resultsText += "Category: " + weightCategory + "\n\n"; resultsText += assumptions; // Use a temporary textarea to copy to clipboard var textarea = document.createElement("textarea"); textarea.value = resultsText; textarea.style.position = "fixed"; // Avoid scrolling to bottom of page in MS Edge. textarea.style.left = "-9999px"; textarea.style.top = "-9999px"; document.body.appendChild(textarea); textarea.focus(); textarea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied successfully!' : 'Failed to copy results.'; alert(msg); // Simple feedback } catch (err) { alert('Oops, unable to copy. Please copy manually.'); } document.body.removeChild(textarea); } function updateChart(age, currentWeight, idealWeight, lowerBound, upperBound) { var canvas = document.getElementById("weightChart"); var ctx = canvas.getContext("2d"); // Clear previous chart if it exists if (chartInstance) { chartInstance.destroy(); } // Chart dimensions and scaling var chartWidth = canvas.parentElement.offsetWidth * 0.95; // Responsive width canvas.width = chartWidth; canvas.height = 350; // Fixed height as per style var maxWeight = Math.max(currentWeight, idealWeight, upperBound) * 1.2; // Determine max Y value for chart scaling if (maxWeight < 40) maxWeight = 40; // Ensure minimum scale for smaller dogs var agePoints = []; var currentWeightPoints = []; var idealWeightPoints = []; var lowerBoundPoints = []; var upperBoundPoints = []; // Generate data points for the chart (e.g., from 1 month to 24 months) for (var i = 1; i <= 24; i++) { agePoints.push(i); var estimatedAdultWeightByHeight = 0.075 * Math.pow(parseFloat(document.getElementById("height").value), 2) * ((document.getElementById("gender").value === "male") ? 1.08 : 0.92); var puppyIdealWeight; if (i < 6) { puppyIdealWeight = estimatedAdultWeightByHeight * 0.6; } else if (i < 12) { puppyIdealWeight = estimatedAdultWeightByHeight * 0.8; } else { puppyIdealWeight = estimatedAdultWeightByHeight; } if (i < 12 && puppyIdealWeight < 10) puppyIdealWeight = 10; if (i < 6 && puppyIdealWeight 24) { agePoints.push(age); currentWeightPoints.push(currentWeight); idealWeightPoints.push(idealWeight); // Use the calculated ideal for the input age lowerBoundPoints.push(lowerBound); upperBoundPoints.push(upperBound); maxWeight = Math.max(maxWeight, currentWeight, upperBound) * 1.2; if (maxWeight < 40) maxWeight = 40; } var chartData = { labels: agePoints, datasets: [{ label: 'Current Weight', data: currentWeightPoints, borderColor: 'rgba(255, 99, 132, 1)', // Red for current backgroundColor: 'rgba(255, 99, 132, 0.2)', fill: false, tension: 0.1, pointRadius: 5, pointHoverRadius: 7 }, { label: 'Ideal Weight Trend', data: idealWeightPoints, borderColor: 'rgba(0, 74, 153, 1)', // GSP Blue for ideal backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: '-1', // Fill to previous dataset (lower bound) tension: 0.1, pointRadius: 0 // No points for trend line }, { label: 'Healthy Range (Lower)', data: lowerBoundPoints, borderColor: 'rgba(40, 167, 69, 0.6)', // Green for range backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, // This dataset needs fill: true to create the band effect with the next one tension: 0.1, pointRadius: 0 }, { label: 'Healthy Range (Upper)', data: upperBoundPoints, borderColor: 'rgba(40, 167, 69, 0.6)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: '-1', // Fill to previous dataset (lower bound) tension: 0.1, pointRadius: 0 }] }; var options = { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Age (Months)' }, min: 0, // Start X-axis at 0 max: Math.max(24, age) + 2 // Extend X-axis slightly beyond max age shown }, y: { title: { display: true, text: 'Weight (kg)' }, min: 0, max: maxWeight } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(1) + ' kg'; } return label; } } }, legend: { labels: { // Customize legend items to explain fill areas generateLabels: function(chart) { var originalLabels = Chart.defaults.plugins.legend.labels.generateLabels(chart); originalLabels.forEach(function(label) { if (label.text === 'Ideal Weight Trend') { label.text = 'Ideal Weight Trend (Estimated)'; } else if (label.text === 'Healthy Range (Lower)') { label.text = 'Healthy Weight Range'; } else if (label.text === 'Healthy Range (Upper)') { // This dataset doesn't need its own legend entry as it forms the upper bound of the filled area // We hide it here to avoid duplicate 'Healthy Weight Range' labels label.hidden = true; } }); return originalLabels; } } } } }; // Dynamically load Chart.js if not already present if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { // Now Chart is available chartInstance = new Chart(ctx, { type: 'line', data: chartData, options: options }); // Manually apply the fill for the range var dataset = chartInstance.data.datasets[1]; // Ideal Weight Trend var lowerDataset = chartInstance.data.datasets[2]; // Lower Bound var upperDataset = chartInstance.data.datasets[3]; // Upper Bound dataset.fill = false; // Ensure ideal line is not filled lowerDataset.fill = '+1'; // Fill from Lower Bound UP to Upper Bound upperDataset.fill = false; // Upper bound itself should not be filled chartInstance.update(); }; document.head.appendChild(script); } else { // Chart.js is already loaded chartInstance = new Chart(ctx, { type: 'line', data: chartData, options: options }); // Manually apply the fill for the range var dataset = chartInstance.data.datasets[1]; // Ideal Weight Trend var lowerDataset = chartInstance.data.datasets[2]; // Lower Bound var upperDataset = chartInstance.data.datasets[3]; // Upper Bound dataset.fill = false; // Ensure ideal line is not filled lowerDataset.fill = '+1'; // Fill from Lower Bound UP to Upper Bound upperDataset.fill = false; // Upper bound itself should not be filled chartInstance.update(); } } // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { calculateWeight(); });

Leave a Comment